百度地图的覆盖物自定义（二）--点击标注物弹出完全自定义的信息提示窗口（不继承百度提供的Infowindow）

 //----------------复杂的自定义覆盖物-----------------------------------------------

    
 //还未点击的覆盖物
    
 //初始化，提供一下主要改变的参数
    
 function BusUnclickedOverlay(point, pay, id) {
    
 	this._point = point;
    
 	this._pay = pay;
    
 	this._id = id;
    
 }
    
 BusUnclickedOverlay.prototype = new BMap.Overlay(); //继承百度地图提供的覆盖物的类
    
 BusUnclickedOverlay.prototype.initialize = function(map) {
    
 	this._map = map;
    
 	var div = this._div = document.createElement("div");
    
 	div.setAttribute("id", "busUnclickedoverLay" + this._id);
    
 	div.style.position = "absolute";
    
 	div.style.zIndex = BMap.Overlay.getZIndex(this._point.lat); 
    
 	div.style.height = "70px";
    
 	div.style.width = "150px";
    
 	div.style.lineHeight = "70px";
    
 	div.style.textAlign = "center";
    
 	div.style.background = "url(img/detail2.png) no-repeat";
    
 	div.style.color = "#ffffff";
    
 	//钱pay
    
 	div.style.fontSize = "42px";
    
 	div.innerHTML = "￥" + this._pay;
    
  
    
 	map.getPanes().labelPane.appendChild(div); //将自定义窗口插入到地图样式内部，宠儿达到覆盖默认样式的效果
    
  
    
 	return div;
    
  
    
 }
    
  
    
 BusUnclickedOverlay.prototype.draw = function() {
    
 	var map = this._map;
    
 	var pixel = map.pointToOverlayPixel(this._point);
    
 	this._div.style.left = pixel.x - 35 + "px"; //控制这个信息窗口针对标注物原点的偏移量，这也是前面div要设置样式position:absolute;
    
 	this._div.style.top = pixel.y - 70 + "px";
    
 }