1 function setPlace(map,myValue,callback){
2 function getAddress(){
3 var pp = local.getResults().getPoi(0).point; //获取第一个智能搜索的结果
4 map.centerAndZoom(pp, 18);
5 var marker = new BMap.Marker(pp);// 创建标注
6 map.addOverlay(marker); // 将标注添加到地图中
7 marker.enableDragging(); // 可拖拽
8
9
10 marker.addEventListener('dragend', function (e) {//拖动标注结束
11 var pointNew = e.point;
12 console.log("使用拖拽获取的百度坐标"+pointNew.lng+","+pointNew.lat);
13 marker.setPosition(pointNew);//设置覆盖物位置
14 //百度转GCJ-02
15 var x_pi = 3.14159265358979324 * 3000.0 / 180.0;
16 var x = pointNew.lng - 0.0065;
17 var y = pointNew.lat - 0.006;
18 var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
19 var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
20 var gg_lng = z * Math.cos(theta);
21 var gg_lat = z * Math.sin(theta);
22 //百度GCJ02转web墨卡托84
23 var earthRad = 6378137.0;
24 pointNew.lng = gg_lng * Math.PI / 180 * earthRad;
25 var a = gg_lat * Math.PI / 180;
26 pointNew.lat = earthRad / 2 * Math.log((1.0 + Math.sin(a)) / (1.0 - Math.sin(a)));
27 console.log("使用拖拽获取的百度坐标转换的WebMercator坐标是（"+pointNew.lng+","+pointNew.lat+")");
28 return callback(pointNew);
29 });
30
31
32 map.addEventListener("click", function(e){
33 console.log('换位置百度的经度:'+e.point.lng+' , 纬度: '+e.point.lat);
34 var now_point = new BMap.Point(e.point.lng, e.point.lat );
35 marker.setPosition(now_point);//设置覆盖物位置
36 var x_pi = 3.14159265358979324 * 3000.0 / 180.0;
37 var x = now_point.lng - 0.0065;
38 var y = now_point.lat - 0.006;
39 var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
40 var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
41 var gg_lng = z * Math.cos(theta);
42 var gg_lat = z * Math.sin(theta);
43 //GCJ02转web墨卡托84
44 var earthRad = 6378137.0;
45 now_point.lng = gg_lng * Math.PI / 180 * earthRad;
46 var a = gg_lat * Math.PI / 180;
47 now_point.lat = earthRad / 2 * Math.log((1.0 + Math.sin(a)) / (1.0 - Math.sin(a)));
48 console.log("WebMercator坐标是（"+now_point.lng+","+now_point.lat+")");
49 return callback(now_point);
50 });
51 //百度转墨卡托
52 console.log("使用点击换位置获取的百度坐标百度地图坐标是（"+pp.lng+","+pp.lat+")");
53 //百度转GCJ-02
54 var x_pi = 3.14159265358979324 * 3000.0 / 180.0;
55 var x = pp.lng - 0.0065;
56 var y = pp.lat - 0.006;
57 var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi);
58 var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi);
59 var gg_lng = z * Math.cos(theta);
60 var gg_lat = z * Math.sin(theta);
61 //GCJ02转web墨卡托84
62 var earthRad = 6378137.0;
63 pp.lng = gg_lng * Math.PI / 180 * earthRad;
64 var a = gg_lat * Math.PI / 180;
65 pp.lat = earthRad / 2 * Math.log((1.0 + Math.sin(a)) / (1.0 - Math.sin(a)));
66 console.log("使用点击换位置获取的百度坐标转换后的WebMercator坐标是（"+pp.lng+","+pp.lat+")");
67 return callback(pp);
68 }
69
70 var local = new BMap.LocalSearch(map, { onSearchComplete: getAddress});
71 local.search(myValue);
72 }
