807 lines
22 KiB
Vue
807 lines
22 KiB
Vue
<template>
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<view class="wrapper">
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<view class="model" v-show="model">
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<view class="model-show" @click="model = false">
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<img :src="modelSrc" alt="" @click="model = false">
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</view>
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</view>
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<view class="content">
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<h1><a class="title" href="https://github.com/xyxiao001/vue-cropper" target="_blank">vue-cropper</a></h1>
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<iframe
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src="https://ghbtns.com/github-btn.html?user=xyxiao001&repo=vue-cropper&type=star&count=true&size=large"
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frameborder="0" scrolling="0" width="160px" height="30px"></iframe>
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<view class="show-info">
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<h2>install</h2>
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<codes>
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<view slot="body">{{ code0 }}</view>
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</codes>
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</view>
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<view class="show-info">
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<h2>example1 基本例子 无限制</h2>
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<view class="test test1">
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<vueCropper ref="cropper" :img="option.img" :outputSize="option.size"
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:outputType="option.outputType" :info="true" :full="option.full" :canMove="option.canMove"
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:canMoveBox="option.canMoveBox" :fixedBox="option.fixedBox" :original="option.original"
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:autoCrop="option.autoCrop" :autoCropWidth="option.autoCropWidth"
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:autoCropHeight="option.autoCropHeight" :centerBox="option.centerBox" :high="option.high"
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:infoTrue="option.infoTrue" :maxImgSize="option.maxImgSize" @realTime="realTime"
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@imgLoad="imgLoad" @cropMoving="cropMoving" :enlarge="option.enlarge" :mode="option.mode"
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:limitMinSize="option.limitMinSize"></vueCropper>
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</view>
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<view class="test-button">
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<button @click="changeImg" class="btn">changeImg</button>
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<label class="btn" for="uploads">upload</label>
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<input type="file" id="uploads" style="position:absolute; clip:rect(0 0 0 0);"
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accept="image/png, image/jpeg, image/gif, image/jpg" @change="uploadImg($event, 1)"
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ref="uploadImg">
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<button @click="startCrop" v-if="!crap" class="btn">start</button>
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<button @click="stopCrop" v-else class="btn">stop</button>
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<button @click="clearCrop" class="btn">clear</button>
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<button @click="refreshCrop" class="btn">refresh</button>
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<button @click="changeScale(1)" class="btn">+</button>
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<button @click="changeScale(-1)" class="btn">-</button>
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<button @click="rotateLeft" class="btn">rotateLeft</button>
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<button @click="rotateRight" class="btn">rotateRight</button>
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<button @click="finish('base64')" class="btn">preview(base64)</button>
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<button @click="finish('blob')" class="btn">preview(blob)</button>
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<button @click="() => option.img = ''" class="btn">清除图片</button>
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<a @click="down('base64')" class="btn">download(base64)</a>
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<a @click="down('blob')" class="btn">download(blob)</a>
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<a :href="downImg" download="demo.png" ref="downloadDom"></a>
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</view>
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<view class="pre">
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<!-- <section class="pre-item">
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<p>固定大小 固定宽度100px</p>
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<section v-html="previews.html"></section>
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</section> -->
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<section class="pre-item">
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<p>截图框大小</p>
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<view class="show-preview" :style="{'width': previews.w + 'px', 'height': previews.h + 'px', 'overflow': 'hidden',
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'margin': '5px'}">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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</section>
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<section class="pre-item">
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<p>中等大小</p>
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<view :style="previewStyle1">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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</section>
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<section class="pre-item">
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<p>迷你大小</p>
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<view :style="previewStyle2">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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</section>
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<section class="pre-item" title="zoom: (100 / previews.w)">
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<p>固定为100宽度</p>
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<view :style="previewStyle3">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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</section>
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<section class="pre-item" title="zoom: (100 / previews.h)">
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<p>固定为100高度</p>
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<view :style="previewStyle4">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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</section>
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</view>
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<view style="display:block; width: 100%;">
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<label class="c-item">
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<span>图片默认渲染方式</span>
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<select v-model="option.mode">
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<option value="contain">contain</option>
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<option value="cover">cover</option>
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<option value="400px auto">400px auto</option>
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<option value="auto 400px">auto 400px</option>
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<option value="50%">50%</option>
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<option value="auto 50%">auto 50%</option>
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</select>
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<section>
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类似css background属性设置 设置不符合规范不生效， 参照文档说明
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</section>
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</label>
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<!-- <label class="c-item">
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<span>截图框最小限制 </span>
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<input type="text" v-model="option.limitMinSize">
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</label> -->
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<label class="c-item">
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<span>上传时图片最大大小(默认会压缩尺寸到这个大小)</span>
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<input type="nubmer" v-model="option.maxImgSize">
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</label>
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<label class="c-item">
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<span>上传图片是否显示原始宽高 (针对大图 可以铺满)</span>
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<input type="checkbox" v-model="option.original">
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<span>original: {{ option.original}}</span>
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</label>
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<label class="c-item">
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<span>是否根据dpr生成适合屏幕的高清图片</span>
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<input type="checkbox" v-model="option.high">
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<span>high: {{ option.high}}</span>
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</label>
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<label class="c-item">
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<span>是否输出原图比例的截图</span>
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<input type="checkbox" v-model="option.full">
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<span>full: {{ option.full}}</span>
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</label>
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<label class="c-item">
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<span>截图信息展示是否是真实的输出宽高</span>
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<input type="checkbox" v-model="option.infoTrue">
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<span>infoTrue: {{ option.infoTrue}}</span>
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</label>
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<label class="c-item">
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<span>能否拖动图片</span>
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<input type="checkbox" v-model="option.canMove">
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<span>canMove: {{ option.canMove}}</span>
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</label>
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<label class="c-item">
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<span>能否拖动截图框</span>
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<input type="checkbox" v-model="option.canMoveBox">
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<span>canMoveBox: {{ option.canMoveBox}}</span>
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</label>
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<label class="c-item">
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<span>截图框固定大小</span>
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<input type="checkbox" v-model="option.fixedBox">
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<span>fixedBox: {{ option.fixedBox}}</span>
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</label>
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<label class="c-item">
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<span>是否自动生成截图框</span>
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<input type="checkbox" v-model="option.autoCrop">
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<span>autoCrop: {{ option.autoCrop}}</span>
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</label>
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<label class="c-item">
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<span>自动生成截图框的宽高</span>
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<span>宽度: </span><input type="number" v-model="option.autoCropWidth">
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<span>高度: </span><input type="number" v-model="option.autoCropHeight">
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</label>
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<label class="c-item">
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<span>截图框是否限制在图片里(只有在自动生成截图框时才能生效)</span>
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<input type="checkbox" v-model="option.centerBox">
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<span>centerBox: {{ option.centerBox}}</span>
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</label>
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<label class="c-item">
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<span>是否按照截图框比例输出 默认为1 </span>
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<input type="number" v-model="option.enlarge">
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</label>
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<p>输出图片格式</p>
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<label class="c-item">
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<label>jpg <input type="radio" name="type" value="jpeg" v-model="option.outputType"></label>
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<label>png <input type="radio" name="type" value="png" v-model="option.outputType"></label>
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<label>webp <input type="radio" name="type" value="webp" v-model="option.outputType"></label>
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</label>
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</view>
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<codes>
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<view slot="body">{{ code1 }}</view>
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</codes>
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</view>
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</view>
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</view>
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</template>
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<script>
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import VueCropper from "@/components/picture-cut/vue-cropper/vue-cropper.vue";
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// import { VueCropper } from '../test'
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import codes from "@/components/picture-cut/code.vue";
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export default {
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data: function() {
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return {
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model: false,
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modelSrc: "",
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crap: false,
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previews: {},
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lists: [
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// {
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// img: 'https://fengyuanchen.github.io/cropper/images/picture.jpg'
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// },
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{
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img: "https://avatars2.githubusercontent.com/u/15681693?s=460&v=4"
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},
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{
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img: "http://cdn.xyxiao.cn/Landscape_1.jpg"
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},
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{
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img: "http://cdn.xyxiao.cn/Landscape_2.jpg"
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},
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{
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img: "http://cdn.xyxiao.cn/Landscape_3.jpg"
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},
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{
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img: "http://cdn.xyxiao.cn/Landscape_4.jpg"
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},
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{
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img: "http://cdn.xyxiao.cn/Portrait_1.jpg"
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},
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{
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img: "http://cdn.xyxiao.cn/Portrait_2.jpg"
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}
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],
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option: {
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img: "",
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size: 1,
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full: false,
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outputType: "png",
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canMove: true,
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fixedBox: false,
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original: false,
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canMoveBox: true,
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autoCrop: true,
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// 只有自动截图开启 宽度高度才生效
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autoCropWidth: 200,
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autoCropHeight: 150,
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centerBox: false,
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high: false,
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cropData: {},
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enlarge: 1,
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mode: 'contain',
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maxImgSize: 3000,
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limitMinSize: [100, 120]
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},
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example2: {
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img: "http://cdn.xyxiao.cn/Landscape_2.jpg",
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info: true,
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size: 1,
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outputType: "jpeg",
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canScale: true,
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autoCrop: true,
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// 只有自动截图开启 宽度高度才生效
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autoCropWidth: 300,
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autoCropHeight: 250,
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fixed: true,
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// 真实的输出宽高
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infoTrue: true,
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fixedNumber: [4, 3]
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},
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example3: {
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img: "http://cdn.xyxiao.cn/Landscape_1.jpg",
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autoCrop: true,
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autoCropWidth: 200,
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autoCropHeight: 200,
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fixedBox: true
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},
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downImg: "#",
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previewStyle1: {},
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previewStyle2: {},
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previewStyle3: {},
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previewStyle4: {},
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code0: '',
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code1: '',
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code2: '',
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code3: '',
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preview3: '',
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};
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},
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methods: {
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changeImg() {
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this.option.img = this.lists[~~(Math.random() * this.lists.length)].img;
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},
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startCrop() {
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// start
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this.crap = true;
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this.$refs.cropper.startCrop();
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},
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stopCrop() {
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// stop
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this.crap = false;
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this.$refs.cropper.stopCrop();
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},
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clearCrop() {
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// clear
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this.$refs.cropper.clearCrop();
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},
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refreshCrop() {
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// clear
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this.$refs.cropper.refresh();
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},
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changeScale(num) {
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num = num || 1;
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this.$refs.cropper.changeScale(num);
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},
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rotateLeft() {
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this.$refs.cropper.rotateLeft();
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},
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rotateRight() {
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this.$refs.cropper.rotateRight();
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},
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finish(type) {
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// 输出
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// var test = window.open('about:blank')
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// test.document.body.innerHTML = '图片生成中..'
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if (type === "blob") {
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this.$refs.cropper.getCropBlob(data => {
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var img = window.URL.createObjectURL(data);
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this.model = true;
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this.modelSrc = img;
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});
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} else {
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this.$refs.cropper.getCropData(data => {
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this.model = true;
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this.modelSrc = data;
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});
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}
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},
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// 实时预览函数
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realTime(data) {
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var previews = data;
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var h = 0.5;
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var w = 0.2;
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this.previewStyle1 = {
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width: previews.w + "px",
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height: previews.h + "px",
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overflow: "hidden",
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margin: "0",
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zoom: h
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};
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this.previewStyle2 = {
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width: previews.w + "px",
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height: previews.h + "px",
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overflow: "hidden",
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margin: "0",
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zoom: w
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};
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this.previewStyle3 = {
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width: previews.w + "px",
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height: previews.h + "px",
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overflow: "hidden",
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margin: "0",
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zoom: (100 / previews.w)
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};
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this.previewStyle4 = {
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width: previews.w + "px",
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height: previews.h + "px",
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overflow: "hidden",
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margin: "0",
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zoom: (100 / previews.h)
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};
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this.previews = data;
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},
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finish2(type) {
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this.$refs.cropper2.getCropData(data => {
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this.model = true;
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this.modelSrc = data;
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});
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},
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finish3(type) {
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this.$refs.cropper3.getCropData(data => {
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this.model = true;
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this.modelSrc = data;
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});
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},
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down(type) {
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// event.preventDefault()
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// 输出
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if (type === "blob") {
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this.$refs.cropper.getCropBlob(data => {
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this.downImg = window.URL.createObjectURL(data);
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if (window.navigator.msSaveBlob) {
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var blobObject = new Blob([data]);
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window.navigator.msSaveBlob(blobObject, "demo.png");
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} else {
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this.$nextTick(() => {
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this.$refs.downloadDom.click();
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});
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}
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});
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} else {
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this.$refs.cropper.getCropData(data => {
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this.downImg = data;
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if (window.navigator.msSaveBlob) {
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var blobObject = new Blob([data]);
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window.navigator.msSaveBlob(blobObject, "demo.png");
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} else {
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this.$nextTick(() => {
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this.$refs.downloadDom.click();
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});
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}
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});
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}
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},
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uploadImg(e, num) {
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//上传图片
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// this.option.img
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var file = e.target.files[0];
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if (!/\.(gif|jpg|jpeg|png|bmp|GIF|JPG|PNG)$/.test(e.target.value)) {
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alert("图片类型必须是.gif,jpeg,jpg,png,bmp中的一种");
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return false;
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}
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var reader = new FileReader();
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reader.onload = e => {
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let data;
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if (typeof e.target.result === "object") {
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// 把Array Buffer转化为blob 如果是base64不需要
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data = window.URL.createObjectURL(new Blob([e.target.result]));
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} else {
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data = e.target.result;
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}
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if (num === 1) {
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this.option.img = data;
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} else if (num === 2) {
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this.example2.img = data;
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}
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this.$refs.uploadImg.value = ''
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};
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// 转化为base64
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// reader.readAsDataURL(file)
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// 转化为blob
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reader.readAsArrayBuffer(file);
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},
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imgLoad(msg) {
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console.log(msg);
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},
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cropMoving(data) {
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this.option.cropData = data;
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}
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},
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components: {
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VueCropper,
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codes
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},
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mounted() {
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this.changeImg();
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// hljs.configure({useBR: true})
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var list = [].slice.call(document.querySelectorAll("pre code"));
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list.forEach((val, index) => {
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hljs.highlightBlock(val);
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});
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// console.log(this.$refs.cropper)
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this.code0 = `
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npm install vue-cropper
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// 组件内使用
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import { VueCropper } from 'vue-cropper'
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components: {
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VueCropper,
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},
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// main.js里面使用
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import VueCropper from 'vue-cropper'
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Vue.use(VueCropper)
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// cdn方式使用
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<script src="vuecropper.js">\<\/script>
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Vue.use(window['vue-cropper'])
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<vueCropper
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ref="cropper"
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:img="option.img"
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:outputSize="option.size"
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:outputType="option.outputType"
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></vueCropper>
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`
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this.code1 = `
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<view class="show-info">
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<h2>example1 基本例子 无限制</h2>
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<view class="test test1">
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<vueCropper
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ref="cropper"
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:img="option.img"
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:outputSize="option.size"
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:outputType="option.outputType"
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:info="true"
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:full="option.full"
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:canMove="option.canMove"
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:canMoveBox="option.canMoveBox"
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:fixedBox="option.fixedBox"
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:original="option.original"
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:autoCrop="option.autoCrop"
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:autoCropWidth="option.autoCropWidth"
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:autoCropHeight="option.autoCropHeight"
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:centerBox="option.centerBox"
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:high="option.high"
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:infoTrue="option.infoTrue"
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@realTime="realTime"
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@imgLoad="imgLoad"
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@cropMoving="cropMoving"
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:enlarge="option.enlarge"
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></vueCropper>
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</view>
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<view class="test-button">
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<button @click="changeImg" class="btn">changeImg</button>
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<label class="btn" for="uploads">upload</label>
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<input type="file" id="uploads" style="position:absolute; clip:rect(0 0 0 0);" accept="image/png, image/jpeg, image/gif, image/jpg" @change="uploadImg($event, 1)">
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<button @click="startCrop" v-if="!crap" class="btn">start</button>
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<button @click="stopCrop" v-else class="btn">stop</button>
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<button @click="clearCrop" class="btn">clear</button>
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<button @click="refreshCrop" class="btn">refresh</button>
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<button @click="changeScale(1)" class="btn">+</button>
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<button @click="changeScale(-1)" class="btn">-</button>
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<button @click="rotateLeft" class="btn">rotateLeft</button>
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<button @click="rotateRight" class="btn">rotateRight</button>
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<button @click="finish('base64')" class="btn">preview(base64)</button>
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<button @click="finish('blob')" class="btn">preview(blob)</button>
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<a @click="down('base64')" class="btn">download(base64)</a>
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<a @click="down('blob')" class="btn">download(blob)</a>
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<a :href="downImg" download="demo.png" ref="downloadDom"></a>
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</view>
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<p>截图框大小</p>
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<view class="show-preview" :style="{'width': previews.w + 'px', 'height': previews.h + 'px', 'overflow': 'hidden',
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'margin': '5px'}">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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<p>中等大小</p>
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<view :style="previewStyle1">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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<p>迷你大小</p>
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<view :style="previewStyle2">
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<view :style="previews.view">
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<img :src="previews.url" :style="previews.img">
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</view>
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</view>
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<view style="display:block; width: 100%;">
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<label class="c-item">
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<span>上传图片是否显示原始宽高 (针对大图 可以铺满)</span>
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<input type="checkbox" v-model="option.original">
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<span>original: {{ option.original}}</span>
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</label>
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<label class="c-item">
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<span>是否根据dpr生成适合屏幕的高清图片</span>
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<input type="checkbox" v-model="option.high">
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<span>high: {{ option.high}}</span>
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</label>
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<label class="c-item">
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<span>是否输出原图比例的截图</span>
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<input type="checkbox" v-model="option.full">
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<span>full: {{ option.full}}</span>
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</label>
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<label class="c-item">
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<span>截图信息展示是否是真实的输出宽高</span>
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<input type="checkbox" v-model="option.infoTrue">
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<span>infoTrue: {{ option.infoTrue}}</span>
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</label>
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<label class="c-item">
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<span>能否拖动图片</span>
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<input type="checkbox" v-model="option.canMove">
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<span>canMove: {{ option.canMove}}</span>
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</label>
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<label class="c-item">
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<span>能否拖动截图框</span>
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<input type="checkbox" v-model="option.canMoveBox">
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<span>canMoveBox: {{ option.canMoveBox}}</span>
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</label>
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<label class="c-item">
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<span>截图框固定大小</span>
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<input type="checkbox" v-model="option.fixedBox">
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<span>fixedBox: {{ option.fixedBox}}</span>
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</label>
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<label class="c-item">
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<span>是否自动生成截图框</span>
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<input type="checkbox" v-model="option.autoCrop">
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<span>autoCrop: {{ option.autoCrop}}</span>
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</label>
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<label class="c-item">
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<span>截图框是否限制在图片里(只有在自动生成截图框时才能生效)</span>
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<input type="checkbox" v-model="option.centerBox">
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<span>centerBox: {{ option.centerBox}}</span>
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</label>
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<label class="c-item">
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<span>是否按照截图框比例输出 默认为1 </span>
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<input type="number" v-model="option.enlarge">
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</label>
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<p>输出图片格式</p>
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<label class="c-item">
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<label>jpg <input type="radio" name="type" value="jpeg" v-model="option.outputType"></label>
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<label>png <input type="radio" name="type" value="png" v-model="option.outputType"></label>
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<label>webp <input type="radio" name="type" value="webp" v-model="option.outputType"></label>
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</label>
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</view>
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<codes>
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<view slot="body">{{ code1 }}</view>
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</codes>
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</view>
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`
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}
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};
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</script>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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.content {
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margin: auto;
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max-width: 1200px;
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margin-bottom: 100px;
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}
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.test-button {
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display: flex;
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flex-wrap: wrap;
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}
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.btn {
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display: inline-block;
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line-height: 1;
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white-space: nowrap;
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cursor: pointer;
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background: #fff;
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border: 1px solid #c0ccda;
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color: #1f2d3d;
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text-align: center;
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box-sizing: border-box;
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outline: none;
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margin: 20px 10px 0px 0px;
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padding: 9px 15px;
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font-size: 14px;
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border-radius: 4px;
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color: #fff;
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background-color: #50bfff;
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border-color: #50bfff;
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transition: all 0.2s ease;
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text-decoration: none;
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user-select: none;
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}
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.des {
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line-height: 30px;
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}
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code.language-html {
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padding: 10px 20px;
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margin: 10px 0px;
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display: block;
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background-color: #333;
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color: #fff;
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overflow-x: auto;
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font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo,
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Lucida, Sans, Type, Writer, Ubuntu, Mono;
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border-radius: 5px;
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white-space: pre;
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}
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.show-info {
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margin-bottom: 50px;
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}
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.show-info h2 {
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line-height: 50px;
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}
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/*.title, .title:hover, .title-focus, .title:visited {
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color: black;
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}*/
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.title {
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display: block;
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text-decoration: none;
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text-align: center;
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line-height: 1.5;
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margin: 20px 0px;
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background-image: -webkit-linear-gradient(left,
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#3498db,
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#f47920 10%,
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#d71345 20%,
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#f7acbc 30%,
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#ffd400 40%,
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#3498db 50%,
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#f47920 60%,
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#d71345 70%,
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#f7acbc 80%,
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#ffd400 90%,
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#3498db);
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color: transparent;
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-webkit-background-clip: text;
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background-size: 200% 100%;
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animation: slide 5s infinite linear;
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font-size: 40px;
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}
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.test {
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height: 500px;
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}
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.model {
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position: fixed;
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z-index: 10;
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width: 100vw;
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height: 100vh;
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overflow: auto;
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top: 0;
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left: 0;
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background: rgba(0, 0, 0, 0.8);
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}
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.model-show {
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display: flex;
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justify-content: center;
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align-items: center;
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width: 100vw;
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height: 100vh;
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text-align: center;
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}
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.model img {
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display: block;
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margin: auto;
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max-width: 80%;
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width: auto;
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user-select: none;
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background-position: 0px 0px, 10px 10px;
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background-size: 20px 20px;
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background-image: linear-gradient(45deg,
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#eee 25%,
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transparent 25%,
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transparent 75%,
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#eee 75%,
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#eee 100%),
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linear-gradient(45deg, #eee 25%, white 25%, white 75%, #eee 75%, #eee 100%);
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}
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.c-item {
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display: block;
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padding: 10px 0;
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user-select: none;
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}
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.pre {
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display: flex;
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flex-wrap: wrap;
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}
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.pre-item {
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padding-right: 20px;
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}
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@keyframes slide {
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0% {
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background-position: 0 0;
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}
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100% {
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background-position: -100% 0;
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}
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}
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@media screen and (max-width: 1000px) {
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.content {
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max-width: 90%;
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margin: auto;
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}
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.test {
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height: 400px;
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}
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}
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</style>
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