/成立坐标点： // lng：经度 lat：纬度 var points = [ {"lng":112.58,"lat":26.89,"url":"http://www.baidu.com","id":1,"name":"p1"}, {"lng":112.59,"lat":26.90,"url":"http://www.mi.com","id":2,"name":"p2"}, {"lng":112.57,"lat":26.88,"url":"http://www.csdn.com","id":3,"name":"p3"} ];
，