之前想自己做一個旅游導航的項目，在網上一搜發現了高德地圖開放平臺，發現原來高德可以很簡單的就應用到自己的項目里面，當即我就申請了一個key來學一學，仔細研究了一下，感覺還挺難的，網上找了找案例什么的，經過這幾天，小編把高德的一些基礎控件差不多弄了一下，效果圖如下圖所示：
script language="javascript" src="http://webapi.amap.com/maps?v=1.2key=3c5ca12a5778fde874e9959c7fbdf516">//引入高德地圖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;
//刷新頁面
function reload(){
location.reload();
}
function mapInit(){
mapObj = new AMap.Map("iCenter",{
center:new AMap.LngLat(116.397728,39.90423), //地圖中心點
level:13, //地圖顯示的比例尺級別
});
mapObj.plugin(["AMap.ToolBar"],function(){ //在地圖中添加ToolBar插件
toolBar = new AMap.ToolBar();
mapObj.addControl(toolBar);
});
mapObj.plugin(["AMap.Scale"],function(){ //加載比例尺插件
scale = new AMap.Scale();
mapObj.addControl(scale);
scale.show();
});
mapObj.plugin(["AMap.OverView"],function(){ //在地圖中添加鷹眼插件
//加載鷹眼
overView = new AMap.OverView({
visible:true //初始化顯示鷹眼
});
mapObj.addControl(overView);
overView.open(); //展開鷹眼
});
mapObj.plugin(["AMap.RangingTool"],function(){
ruler = new AMap.RangingTool(mapObj);
AMap.event.addListener(ruler,"end",function(e){
ruler.turnOff();
});
});
mapObj.plugin(["AMap.MouseTool"],function(){ //鼠標工具插件
mousetool = new AMap.MouseTool(mapObj);
});
}
function Coordinate(){
AMap.event.addListener(mapObj,'click',getLnglat); //點擊事件
}
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(){ //添加地圖類型切換插件
//地圖類型切換
mapType= new AMap.MapType({defaultType:1,showRoad:true});
mapObj.addControl(mapType);
});
}
function removeMapType(){
mapObj.removeControl(mapType);
}
function iCircleEditor(){ //圓形編輯器
circle = new AMap.Circle({ //圓形編輯器的樣式
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); //創建圓形編輯器對象
circleEditor.open(); //打開圓形編輯器
});
}
function removeCicleEditor(){ //關閉圓形編輯器，隱藏圓形
circleEditor.close();
circle.hide();
}
function iPloygonEditor(){ //編輯多邊形
var arr=new Array();//經緯度坐標數組
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, //設置多邊形輪廓的節點數組
strokeColor:"#0000ff",
strokeOpacity:0.2,
strokeWeight:3,
fillColor: "#f5deb3",
fillOpacity: 0.35
});
//地圖上添加多邊形
mapObj.addOverlays(polygon);
//構造多邊形編輯對象，并開啟多邊形的編輯狀態
mapObj.plugin(["AMap.PolyEditor"],function(){
polygonEditor = new AMap.PolyEditor(mapObj,polygon);
polygonEditor.open();
});
}
function removePloygonEditor(){
polygonEditor.close();
polygon.hide();
}
AMap.homeControlDiv = function(){}
AMap.homeControlDiv.prototype = {
addTo: function(map, dom){
dom.appendChild(this._getHtmlDom(map));
},
_getHtmlDom:function(map){
this.map=map;
// 創建一個能承載控件的div>容器
controlUI = document.createElement("DIV");
controlUI.style.width='80px'; //設置控件容器的寬度
controlUI.style.height='20px'; //設置控件容器的高度
controlUI.style.backgroundColor='white';
controlUI.style.borderStyle='solid';
controlUI.style.borderWidth='2px';
controlUI.style.cursor='pointer';
controlUI.style.textAlign='center';
// 設置控件的位置
controlUI.style.position='absolute';
controlUI.style.left='120px'; //設置控件離地圖的左邊界的偏移量
controlUI.style.top='5px'; //設置控件離地圖上邊界的偏移量
controlUI.style.zIndex='300'; //設置控件在地圖上顯示
// 設置控件字體樣式
controlUI.style.fontFamily='Arial,sens-serif';
controlUI.style.fontSize='12px';
controlUI.style.paddingLeft='4px';
controlUI.style.paddingRight='4px';
controlUI.innerHTML="換中心點";
// 設置控件響應點擊onclick事件
controlUI.onclick = function(){
map.setCenter(new AMap.LngLat(116.234404, 39.12915));
}
return controlUI;
}
}
AMap.event.trigger(homeControlDiv,"hide");
AMap.event.addListener(homeControlDiv,"hide",function(){
controlUI.style.display = 'none';
})
function myControl(){
homeControl = new AMap.homeControlDiv(mapObj); //新建自定義插件對象
mapObj.addControl(homeControl); //地圖上添加插件
}
function removeMyControl(){
homeControl.hide();
//controlUI.style.display='none';
}
function iRangingTool(){
ruler.turnOn();
}
function removeRangingTool(){
ruler.turnOff();
mapObj.clearMap();
//ruler.hide();
//ruler.setMap(null);
//mapObj.removeControl(ruler);
}
function iMarker(){
mousetool.marker(); //使用鼠標工具，在地圖上畫標記點
}
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;
//加載地理編碼插件
mapObj.plugin(["AMap.Geocoder"], function() {
MGeocoder = new AMap.Geocoder({
radius: 1000,
extensions: "all"
});
//返回地理編碼結果
AMap.event.addListener(MGeocoder, "complete", geocoder_CallBack);
//逆地理編碼
MGeocoder.getAddress(lnglatXY);
});
//加點
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();
}
//回調函數
function geocoder_CallBack(data) {
var address;
//返回地址描述
address = data.regeocode.formattedAddress;
//返回結果拼接輸出
document.getElementById("iAddress").innerHTML = address;
}
//鼠標點擊，獲取經緯度坐標
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>
