行政区划图

 /*****行政区划array****/
var wuhanAreaArray = [
    {
        name:'武昌',
        departSerialNum:10420113,
        center:    new BMap.Point(114.307235,30.544001)
    },
    {
        name:'江岸区',
        departSerialNum:10420108,
        center:    new BMap.Point(114.307289,30.645917)
    }
]

for(var k=0;k<wuhanAreaArray.length;k++){
            var areaName = wuhanAreaArray[k].name;
            var departSerialNum = wuhanAreaArray[k].departSerialNum;
            var centerPoint = wuhanAreaArray[k].center;

            var bdary = new BMap.Boundary();
            for(var i=0;i<rates.length;i++){
                var rate = rates[i];
                var departserialnum_rate = rate.get('departserialnum');
                if(departSerialNum == departserialnum_rate){
                    //13个区的文字
                    var centerLabel = new BMap.Label(areaName,{offset: new BMap.Size(0,0), position: centerPoint});
                    centerLabel.setStyle({"color":"green","font-weight":"bold","line-height": "20px", "text-align": "center", "width": "80px", "height": "29px", "border": "none", "padding": "2px","background": " no-repeat"});
                    map.addOverlay(centerLabel);
                    
                    //绘制行政区域图
                    bdary.get(areaName, view.bdaryCallback(areaName,rate,centerPoint,map,view)); 
                }
            }
        }

绘制行政区划,标红处为重要代码

bdaryCallback:function(areaName,rate,centerPoint,map,view){
        return function(rs){
            var strokeColor = "blue";
            if(rate.get('purifyingrate')<96){
                strokeColor = "red";
            }
            //创建标签
            var showLabel = new BMap.Label("<b>"+rate.get("departname")+rate.get('purifyingrate')+"%</b>",{offset: new BMap.Size(0,0), position: centerPoint});
            showLabel.setStyle({"z-index":"999999", "padding": "10px","width": "90px","border": "1px solid #ccff00"});
            
            var count = rs.boundaries.length; //行政区域的点有多少个
            
            var plyArray = new Array();
            for(var i = 0; i < count; i++){
                var options = {strokeColor:strokeColor, strokeWeight:5, strokeOpacity:0.5};
                if(rate.get('purifyingrate')<96){
                    options = {strokeColor:strokeColor,fillColor:"red", strokeWeight:5, strokeOpacity:0.5};
                }
                var ply = new BMap.Polygon(rs.boundaries[i], options); //建立多边形覆盖物
                map.addOverlay(ply);  //添加覆盖物
                plyArray.push(ply);
            }
            
            for(var j=0;j<plyArray.length;j++){
                  //给多边形添加鼠标事件
26                 plyArray[j].addEventListener("mouseover",function(){
27                         for(var q=0;q<plyArray.length;q++){
28                             plyArray[q].setStrokeColor("yellow");
29                         }
30                     map.addOverlay(showLabel);
31                 });
32                 plyArray[j].addEventListener("mouseout",function(){
33                         for(var q=0;q<plyArray.length;q++){
34 //                            plyArray[q].setStrokeColor("blue");
35                             plyArray[q].setStrokeColor(strokeColor);
36                         }
37                     map.removeOverlay(showLabel);
38                 });
39                 plyArray[j].addEventListener("click",function(){
40                     ply.setStrokeColor("yellow");
41                     view.centerLabelCallback(view,map,centerPoint,rate);
42                 });
              } 
            
        }
    }