53 lines
837 B
JavaScript
53 lines
837 B
JavaScript
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Component({
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/**
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* 组件的属性列表
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*/
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properties: {
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nameId: {
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type: String
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},
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num: {
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type: Number,
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value: 0
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},
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int: {
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type: Number,
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value: 1
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},
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min: {
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type: Number,
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value: 0
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}
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},
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/**
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* 组件的初始数据
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*/
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data: {
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},
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/**
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* 组件的方法列表
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*/
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methods: {
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numChange() {
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this.triggerEvent('numChange', {
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num: this.properties.num,
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nameId: this.properties.nameId
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})
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},
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add() {
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this.setData({
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num: this.properties.num + this.properties.int
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})
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this.numChange()
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},
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sub() {
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this.setData({
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num: this.properties.num - this.properties.int <= 0 ? 0 : this.properties.num - this.properties.int
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})
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this.numChange()
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}
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}
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})
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