About the display of the basic controls of the WEB version of Gaode Map

<script language="javascript" src="http://webapi.amap.com/maps?v=1.2&key=3c5ca12a5778fde874e9959c7fbdf516">//引入高德地图API</script> 
<script language="javascript">
var mapObj;
var scale;
var mapType;
var toolBar;
var overView;
var circleEditor;
var circle;
var polygonEditor;
var polygon;
var homeControl;
var controlUI;
var ruler;
var mousetool;
//刷新页面
function reload(){
	location.reload();
}

function mapInit(){
 mapObj = new AMap.Map("iCenter",{
		center:new AMap.LngLat(116.397728,39.90423), //地图中心点
		level:13, //地图显示的比例尺级别
	});
	mapObj.plugin(["AMap.ToolBar"],function(){ //在地图中添加ToolBar插件
 toolBar = new AMap.ToolBar();
 mapObj.addControl(toolBar);
 });
 mapObj.plugin(["AMap.Scale"],function(){ //加载比例尺插件
 scale = new AMap.Scale();
 mapObj.addControl(scale);
		scale.show();
 });
	mapObj.plugin(["AMap.OverView"],function(){ //在地图中添加鹰眼插件
 //加载鹰眼
 overView = new AMap.OverView({
 visible:true //初始化显示鹰眼
 });
 mapObj.addControl(overView);
		overView.open(); //展开鹰眼
 });
	mapObj.plugin(["AMap.RangingTool"],function(){ 
		ruler = new AMap.RangingTool(mapObj); 
		AMap.event.addListener(ruler,"end",function(e){ 
 ruler.turnOff(); 
 }); 		
	}); 
	mapObj.plugin(["AMap.MouseTool"],function(){ 	 //鼠标工具插件
		mousetool = new AMap.MouseTool(mapObj); 		 
	});
}
function Coordinate(){
	AMap.event.addListener(mapObj,&#39;click&#39;,getLnglat); //点击事件
}


function toolBarShow(){
	toolBar.show();
	toolBar.showRuler();
	toolBar.showDirection();
}
function toolBarDirection(){
	toolBar.show();
	toolBar.showDirection();
	toolBar.hideRuler();
}
function toolBarLong(){
	toolBar.show();
	toolBar.hideDirection();
	toolBar.showRuler();
}
function toolBarShot(){
	toolBar.show();
	toolBar.hideRuler();
	toolBar.hideDirection();
}
function iMapType(){
	mapObj.plugin(["AMap.MapType"],function(){ //添加地图类型切换插件
 //地图类型切换
 mapType= new AMap.MapType({defaultType:1,showRoad:true});
 mapObj.addControl(mapType);
 });
}
function removeMapType(){
	mapObj.removeControl(mapType);
}
function iCircleEditor(){ //圆形编辑器
	circle = new AMap.Circle({ //圆形编辑器的样式
		map: mapObj,
		center:new AMap.LngLat("116.40332221984863","39.90025505675715"),
		radius:1000,
		strokeColor: "#F33",
		strokeOpacity: 1,
		strokeWeight: 3,
		fillColor: "ee2200",
		fillOpacity: 0.35
	});
	mapObj.plugin(["AMap.CircleEditor"],function(){
		circleEditor = new AMap.CircleEditor(mapObj,circle); //创建圆形编辑器对象
		circleEditor.open(); //打开圆形编辑器
	});
}
function removeCicleEditor(){ //关闭圆形编辑器，隐藏圆形
	circleEditor.close();
	circle.hide();
}

function iPloygonEditor(){ //编辑多边形
 var arr=new Array();//经纬度坐标数组
 arr.push(new AMap.LngLat("116.403322","39.920255"));
 arr.push(new AMap.LngLat("116.410703","39.897555"));
 arr.push(new AMap.LngLat("116.402292","39.892353"));
 arr.push(new AMap.LngLat("116.389846","39.891365"));
 polygon = new AMap.Polygon({
 path:arr, //设置多边形轮廓的节点数组
 strokeColor:"#0000ff",
 strokeOpacity:0.2,
 strokeWeight:3,
 fillColor: "#f5deb3",
 fillOpacity: 0.35
 });
 //地图上添加多边形
 mapObj.addOverlays(polygon);
 //构造多边形编辑对象，并开启多边形的编辑状态
 mapObj.plugin(["AMap.PolyEditor"],function(){
 polygonEditor = new AMap.PolyEditor(mapObj,polygon);
 polygonEditor.open();
 });
}
function removePloygonEditor(){
	polygonEditor.close();
	polygon.hide();
}
AMap.homeControlp = function(){}
AMap.homeControlp.prototype = {
 addTo: function(map, dom){
 dom.appendChild(this._getHtmlDom(map));
 },
 _getHtmlDom:function(map){
 this.map=map;
 // 创建一个能承载控件的<p>容器
 controlUI = document.createElement("p");
 controlUI.style.width=&#39;80px&#39;; //设置控件容器的宽度
 controlUI.style.height=&#39;20px&#39;; //设置控件容器的高度
 controlUI.style.backgroundColor=&#39;white&#39;;
 controlUI.style.borderStyle=&#39;solid&#39;;
 controlUI.style.borderWidth=&#39;2px&#39;;
 controlUI.style.cursor=&#39;pointer&#39;;
 controlUI.style.textAlign=&#39;center&#39;;

 // 设置控件的位置
 controlUI.style.position=&#39;absolute&#39;;
 controlUI.style.left=&#39;120px&#39;; //设置控件离地图的左边界的偏移量
 controlUI.style.top=&#39;5px&#39;; //设置控件离地图上边界的偏移量
 controlUI.style.zIndex=&#39;300&#39;; //设置控件在地图上显示

 // 设置控件字体样式
 controlUI.style.fontFamily=&#39;Arial,sens-serif&#39;;
 controlUI.style.fontSize=&#39;12px&#39;;
 controlUI.style.paddingLeft=&#39;4px&#39;;
 controlUI.style.paddingRight=&#39;4px&#39;;
 controlUI.innerHTML="换中心点";

 // 设置控件响应点击onclick事件
 controlUI.onclick = function(){
 map.setCenter(new AMap.LngLat(116.234404, 39.12915));
 }
 return controlUI;
 }
}
AMap.event.trigger(homeControlp,"hide");
AMap.event.addListener(homeControlp,"hide",function(){
	controlUI.style.display = &#39;none&#39;;
})

function myControl(){
	homeControl = new AMap.homeControlp(mapObj); //新建自定义插件对象
	mapObj.addControl(homeControl); //地图上添加插件
}
function removeMyControl(){
	homeControl.hide();
	//controlUI.style.display=&#39;none&#39;;
}
function iRangingTool(){
	ruler.turnOn();
}
function removeRangingTool(){
	ruler.turnOff();
	mapObj.clearMap();
	//ruler.hide();
	//ruler.setMap(null);	
	//mapObj.removeControl(ruler);
}
function iMarker(){
	mousetool.marker(); //使用鼠标工具，在地图上画标记点
}
function iMeasureArea(){
	mousetool.measureArea();
}
function iRectZoomIn(){
	mousetool.rectZoomIn();
}
function iRectZoomOut(){
	mousetool.rectZoomOut();
}
function iPolyline(){
	mousetool.polyline();
}
function iPolygon(){
	mousetool.polygon();
}
function iCircle(){
	mousetool.circle();
}
function iRectangle(){
	mousetool.rectangle();
}
function iRule(){
	mousetool.rule();
}
function removeMouseTool(){
	mousetool.close(true);
}

function geocoder() {
 var MGeocoder;
 //加载地理编码插件
 mapObj.plugin(["AMap.Geocoder"], function() { 
 MGeocoder = new AMap.Geocoder({ 
 radius: 1000,
 extensions: "all"
 });
 //返回地理编码结果 
 AMap.event.addListener(MGeocoder, "complete", geocoder_CallBack); 
 //逆地理编码
 MGeocoder.getAddress(lnglatXY); 
 });
 //加点
 var marker = new AMap.Marker({
 map:mapObj,
 icon: new AMap.Icon({
 image: "http://api.amap.com/Public/images/js/mark.png",
 size:new AMap.Size(58,30),
 imageOffset: new AMap.Pixel(-32, -0)
 }),
 position: lnglatXY,
 offset: new AMap.Pixel(-5,-30)
 });
 // mapObj.setFitView();
}
//回调函数
function geocoder_CallBack(data) {
 var address;
 //返回地址描述
 address = data.regeocode.formattedAddress;
 //返回结果拼接输出
 document.getElementById("iAddress").innerHTML = address;
} 
//鼠标点击，获取经纬度坐标 
function getLnglat(e){ 
	mapObj.clearMap();
	var x = e.lnglat.getLng();
	var y = e.lnglat.getLat(); 
	document.getElementById("lnglat").innerHTML = x + "," + y;
	
	lnglatXY = new AMap.LngLat(x,y);
	geocoder();
}
</script>

<body onLoad="mapInit()">
 <p id="iCenter"></p>
 <p id="iControlbox">
		<ul>
			<li><button onclick="javascript:toolBarShow();">显示完整鱼骨</button><button onclick="javascript:toolBar.hide();">隐藏鱼骨</button><button onclick="javascript:toolBarDirection();">方向盘</button><button onclick="javascript:toolBarLong();">长标尺</button><button onclick="javascript:toolBarShot();">短标尺</button></li>
			<li><button onclick="javascript:scale.show();">显示比例尺</button><button onclick="javascript:scale.hide();">隐藏比例尺</button></li>
			<li><button onclick="javascript:overView.show();">显示鹰眼</button><button onclick="javascript:overView.hide();">隐藏鹰眼</button></li>
			<li><button onclick="javascript:iMapType();">添加地图类型切换</button><button onclick="javascript:removeMapType();">移除地图类型切换</button></li>
			<li><button onclick="javascript:iCircleEditor();">添加圆形编辑器</button><button onclick="javascript:removeCicleEditor();">删除圆形编辑器</button></li>
			<li><button onclick="javascript:iPloygonEditor();">添加多边形编辑器</button><button onclick="javascript:removePloygonEditor();">删除多边形编辑器</button></li>			
			<li><button onclick="javascript:iMarker();">鼠标打点工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>		
			<li><button onclick="javascript:iPolyline();">鼠标画折线工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>	
			<li><button onclick="javascript:iPolygon();">鼠标画多边形工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>
			<li><button onclick="javascript:iCircle();">鼠标画圆形工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>
			<li><button onclick="javascript:iRectangle();">鼠标画矩形工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>
			<li><button onclick="javascript:iRule();">鼠标测距工具</button><button onclick="javascript:removeMouseTool();">清除</button></li>
			<li><button onclick="javascript:iMeasureArea();">鼠标测面积</button><button onclick="javascript:removeMouseTool();">移除</button></li>
			<li><button onclick="javascript:iRectZoomIn();">鼠标框选缩小</button><button onclick="javascript:iRectZoomOut();">鼠标框选放大</button><button onclick="javascript:removeRangingTool();">关闭鼠标放大缩小</button></li>
			<li><button onclick="javascript:iRangingTool();">测距插件</button><button onclick="javascript:removeRangingTool();">隐藏测距</button></li>
			<li><button onclick="javascript:myControl();">添加自定义控件</button><button onclick="javascript:removeMyControl();">移除自定义控件</button></li>
			<li><p class="detail"><p><span id="lnglat"> </span></p><p><span id="iAddress"> </span></p></p></li>
			<li><button onclick="javascript:Coordinate();">坐标拾取控件</button><button onclick="javascript:reload();">取消坐标拾取</button></li>

			
		</ul>
	</p>
</body>