lwwlgw/js/bdmap.js

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JavaScript
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//先要加载接口,要在函数外,保证先加载
document.write('<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=O4aFVMSLVl1aiTX2sF40aVfC"></script>');
//显示地图
//参数显示容器ID属性(city,addr,title,lawfirm,tel,user,mapx,pic,ismove,piobj,zoom)
function ShowMap(objname,options){
if(options){
this._city = options.city ? options.city : ""; //城市
this._addr = options.addr ? options.addr : ""; //地址
this._title = options.title ? options.title : ""; //信息窗口标题
this._lawfirm = options.lawfirm ? options.lawfirm : ""; //律所
this._tel = options.tel ? options.tel : ""; //电话
this._user = options.user ? options.user : ""; //主任
this._mapx = options.mapx ? options.mapx : ""; //地图坐标
this._pic = options.pic ? options.pic : ""; //图片
this._ismove = options.ismove ? options.ismove : "0"; //是否拖动1为拖动为设置标注0为显示。默认0
this._piobj = options.piobj ? options.piobj : ""; //接收拖动坐标的表单ID
this._zoom = options.zoom ? options.zoom : "14"; //放大级别默认14
}
//设定初始坐标
var point=new BMap.Point(113.63156,34.83794);
//范围为3-18级
var zoom=this._zoom;
//创建地图
var map = new BMap.Map(objname);
//map.enableScrollWheelZoom();
var opts = {type: BMAP_NAVIGATION_CONTROL_ZOOM};
map.addControl(new BMap.NavigationControl(opts));
map.centerAndZoom(point, zoom);//设初始化地图。
//设置版权控件位置
var cr = new BMap.CopyrightControl({anchor: BMAP_ANCHOR_TOP_LEFT});
map.addControl(cr); //添加版权控件
var bs = map.getBounds(); //返回地图可视区域
//坐标不为空时按坐标显示
if (this._mapx != ""){
var mx=this._mapx.substr(0,this._mapx.indexOf(","));
var my=this._mapx.substr(this._mapx.indexOf(",")+1);
point=new BMap.Point(mx,my);
map.centerAndZoom(point, zoom); //重新调整位置
}
//否则按地址显示
else if (this._addr != ""){
//创建地址解析器实例
var myGeo = new BMap.Geocoder();
//将地址解析结果显示在地图上,并调整地图视野。此过程为异步,所以要重设标注
myGeo.getPoint(this._addr, function(poi){
map.centerAndZoom(poi, zoom);
marker.setPosition(poi); //重调标注位置
}, this._city);
}
//否则按城市显示
else if (this._city != ""){
map.setCenter(this._city); //设置地图中心点。
//此定位无具体坐标,所以显示模式时要清除标注。要延时处理
if (this._ismove=="0"){setTimeout(function(){map.clearOverlays();}, 1000);}
}
//都为空按IP定位
else{
//创建一个获取本地城市位置的实例
var myCity = new BMap.LocalCity();
//获取城市
myCity.get(function(result){map.setCenter(result.name);});
if (this._ismove=="0"){setTimeout(function(){map.clearOverlays();}, 1000);}
}
var icowidth = 49;
var icoheight = 59;
var myIcon = new BMap.Icon("images/icomap.png", new BMap.Size(icowidth,icoheight));
//创建标注
var marker = new BMap.Marker(point,{icon:myIcon});
//var marker = new BMap.Marker(point);
map.addOverlay(marker); // 将标注添加到地图中
//设置标注时
if (this._ismove=="1"){
marker.enableDragging(); //可拖拽
var label = new BMap.Label("拖拽到您的位置",{offset:new BMap.Size(20,-15)});
label.setStyle({ backgroundColor:"red", color:"white", fontSize : "12px" });
marker.setLabel(label);
var poj=this._piobj; //过程里不支持this要传给变量
//拖拽设置位置
marker.addEventListener("dragend", function(e){
try{document.getElementById(poj).value = e.point.lng + "," + e.point.lat;}catch (ex) {}
});
//点击设置位置
map.addEventListener("click", function(e){
marker.setPosition(e.point); //重调标注位置
try{document.getElementById(poj).value = e.point.lng + "," + e.point.lat;}catch (ex) {}
});
}
//显示标注时
if (this._ismove=="0"){
marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
//显示窗口设置
var opts = {width:250,height:110,title : "<font color=#de0011 size=3>" + this._title + "</font>"} //窗口标题
var infotxt="<table border='0'><tr><td valign='top'>"; //窗口内容
if (this._pic != ""){infotxt += "<img src='"+this._pic+"' id='picid' style='float:left;margin-right:5px;padding-top:8px; width=50>";}
infotxt += "</td><td><p style='font-size:12px;line-height:16px;padding-top:8px;'>";
// if (this._lawfirm !=""){infotxt += "<b>公司:</b>" + this._lawfirm + "<br/>";};
if (this._addr !=""){infotxt += "<b>地址:</b>" + this._addr + "<br/>";};
if (this._tel !=""){infotxt += "<b>电话:</b>" + this._tel + "<br/>";};
if (this._user !=""){infotxt += "<b>联系人:</b>" + this._user + "<br/>";};
infotxt += "</p></td></tr></table>";
//显示文本标题
var label2 = new BMap.Label(this._title,{offset:new BMap.Size(20,-15)});
label2.setStyle({ backgroundColor:"red", color:"white", fontSize : "12px" });
//marker.setLabel(label2);
//创建信息窗口
var infoWindow = new BMap.InfoWindow(infotxt,opts);
marker.addEventListener("mouseover", function(){
this.openInfoWindow(infoWindow);
//图片加载完毕重绘infowindow。防止在网速较慢图片未加载时生成的信息框高度比图片的总高度小导致图片部分被隐藏
document.getElementById('picid').onload = function (){infoWindow.redraw();}
});
}
}
//获取地理位置,间隔符
//百度查询接口为异步,所以这里要用异步回调方式
function getBDAddress(callBackFun,spStr){
if (!spStr){spStr="";} //分隔符,默认空
var geolocation = new BMap.Geolocation();
geolocation.getCurrentPosition(function(r){
if(this.getStatus() == BMAP_STATUS_SUCCESS){
var point = new BMap.Point(r.point.lng,r.point.lat);
var gc = new BMap.Geocoder();
gc.getLocation(point, function(rs){
var addComp = rs.addressComponents;
var addVal = addComp.province + spStr + addComp.city + spStr + addComp.district + spStr + addComp.street + spStr + addComp.streetNumber;
callBackFun(addVal);
});
}
},{enableHighAccuracy: true})
}