使用百度批量拾取座標點-上層工具

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html{width: 100%;height: 100%;overflow: hidden;margin:0;}
#allmap {margin-right: 300px;height: 100%;overflow: hidden;}
#result {border-left:1px dotted #999;height:100%;width:295px;position:absolute;top:0px;right:0px;font-size:12px;}
dl,dt,dd,ul,li{
margin:0;
padding:0;
list-style:none;
}
p{font-size:12px;}
dt{
font-size:14px;
font-family:"微軟雅黑";
font-weight:bold;
border-bottom:1px dotted #000;
padding:5px 0 5px 5px;
margin:5px 0;
}
dd{
padding:5px 0 0 5px;
}
li{
line-height:28px;
}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=0m6Br2LcLYd2FXSHyfxTOkhUZFR6oiBT"></script>

<script type="text/javascript" src="http://api.map.baidu.com/library/DrawingManager/1.4/src/DrawingManager_min.js"></script>
<link rel="stylesheet" href="http://api.map.baidu.com/library/DrawingManager/1.4/src/DrawingManager_min.css" />

<script type="text/javascript" src="http://api.map.baidu.com/library/SearchInfoWindow/1.4/src/SearchInfoWindow_min.js"></script>
<link rel="stylesheet" href="http://api.map.baidu.com/library/SearchInfoWindow/1.4/src/SearchInfoWindow_min.css" />

<title>鼠標繪製工具</title>
</head>
<body>
<div id="allmap" style="overflow:hidden;zoom:1;position:relative;">
<div id="map" style="height:100%;-webkit-transition: all 0.5s ease-in-out;transition: all 0.5s ease-in-out;"></div>
<div id="showPanelBtn" style="position:absolute;font-size:14px;top:50%;margin-top:-95px;right:0px;width:20px;padding:10px 10px;color:#999;cursor:pointer;text-align:center;height:170px;background:rgba(255,255,255,0.9);-webkit-transition: all 0.5s ease-in-out;transition: all 0.5s ease-in-out;font-family:'微軟雅黑';font-weight:bold;">顯示檢索結果面板<br/><</div>
<div id="panelWrap" style="width:0px;position:absolute;top:0px;right:0px;height:100%;overflow:auto;-webkit-transition: all 0.5s ease-in-out;transition: all 0.5s ease-in-out;">
<div style="width:20px;height:200px;margin:-100px 0 0 -10px;color:#999;position:absolute;opacity:0.5;top:50%;left:50%;" id="showOverlayInfo">此處用於展示覆蓋物信息</div>
<div id="panel" style="position:absolute;"></div>
</div>
</div>

<div id="result">
<dl>
<dt>顯示座標</dt>
<ul>
<li><label><input type="button" name="openClose1" οnclick="disPoint()" value="顯示座標"/></label> <label><textarea id="dispointtext" cols='30' rows=6></textarea></label></li>
</ul>
</dd>
<dt>記錄座標</dt>
<ul>
<p><input id="startBtn" type="button" οnclick="startTool();" value="開啓取點工具" /><input type="button" οnclick="map.clearOverlays();document.getElementById('info').innerHTML = '';points=[];" value="清除" /></p>

</ul>
</dd>
<dt>繪製工具功能</dt>
<ul>
<li><label><input type="radio" name="openClose1" οnclick="drawingManager.open()"/>打開</label> <label><input type="radio" name="openClose1" οnclick="drawingManager.close()" checked="checked"/>關閉</label></li>
</ul>
</dd>
<dt>是否進行線或面積的計算(單位米)</dt>
<ul>
<li><label><input type="radio" name="openClose" οnclick="drawingManager.enableCalculate()"/>打開</label> <label><input type="radio" name="openClose" οnclick="drawingManager.disableCalculate()" checked="checked"/>關閉</label></li>
</ul>
</dd>
<dt>繪製功能</dt>
<dd>
<ul>
<li>
<label><input type="radio" name="drawmode" οnclick="drawingManager.setDrawingMode(BMAP_DRAWING_MARKER)" checked="checked"/>畫點</label>
<input type="checkbox" id="isInfowindow"/> 是否帶信息窗口
</li>
<li>
<label><input type="radio" name="drawmode" οnclick="drawingManager.setDrawingMode(BMAP_DRAWING_CIRCLE)"/>畫圓</label>
</li>
<li>
<label><input type="radio" name="drawmode" οnclick="drawingManager.setDrawingMode(BMAP_DRAWING_POLYLINE)"/>畫線</label>
</li>
<li>
<label><input type="radio" name="drawmode" οnclick="drawingManager.setDrawingMode(BMAP_DRAWING_POLYGON)"/>畫多邊形</label>
</li>
<li>
<label><input type="radio" name="drawmode" οnclick="drawingManager.setDrawingMode(BMAP_DRAWING_RECTANGLE)"/>畫矩形</label>
</li>
</ul>
</dd>
<dt>覆蓋物操作</dt>
<dd>
<ul>
<li>
<input type="button" value="獲取繪製的覆蓋物個數" οnclick="alert(overlays.length)"/>
<input type="button" value="清除所有覆蓋物" οnclick="clearAll()"/>
<input type="button" value="獲取最後一個覆蓋物信息" id="getLastOverLay"/>
</li>
</ul>
</dd>
</dl>

</div>

<script type="text/javascript">
var key=0;
var p_recordPoint=0;
// 百度地圖API功能
var map = new BMap.Map('map');

var poi = new BMap.Point(121.319365,30.832934); // 121.572759,31.297788
map.centerAndZoom(poi, 13.3);
map.enableScrollWheelZoom();
map.addControl(new BMap.NavigationControl());

var key = 1; //開關
var newpoint; //一個經緯度
var points = []; //數組，放經緯度信息
var polyline = new BMap.Polyline(); //折線覆蓋物

function startTool(){ //開關函數
if(key==1){
document.getElementById("startBtn").style.background = "green";
document.getElementById("startBtn").style.color = "white";
document.getElementById("startBtn").value = "開啓狀態";
key=0;
}
else{
document.getElementById("startBtn").style.background = "red";
document.getElementById("startBtn").value = "關閉狀態";
key=1;
}
}


$("getLastOverLay").onclick = function(){
if(overlays.length){
alert(overlays[overlays.length - 1]);
}else{
alert("沒有覆蓋物");
}
}

//信息窗口的內容定義
var content = '<div style="margin:0;line-height:20px;padding:2px;">' +
'地址：北京市海淀區上地十街10號<br/>電話：(010)59928888<br/>簡介：百度大廈位於北京市海淀區西二旗地鐵站附近，爲百度公司綜合研發及辦公總部。' +
'</div>';

//創建帶信息窗口的poi點
var searchInfoWindow = new BMapLib.SearchInfoWindow(map, content, {
title : "百度大廈", //標題
width : 290, //寬度
height : 105, //高度
panel : "panel", //檢索結果面板
enableAutoPan : true, //自動平移
searchTypes :[
BMAPLIB_TAB_SEARCH, //周邊檢索
BMAPLIB_TAB_TO_HERE, //到這裏去
BMAPLIB_TAB_FROM_HERE //從這裏出發
]
});

var overlays = [];
//回調獲得覆蓋物信息
var overlaycomplete = function(e){
overlays.push(e.overlay);
var result = "";
result = "<p>";
result += e.drawingMode + ":";
if (e.drawingMode == BMAP_DRAWING_MARKER) {
result += ' 座標：' + e.overlay.getPosition().lng + ',' + e.overlay.getPosition().lat;
if ($('isInfowindow').checked) {
searchInfoWindow.open(e.overlay);
}
}
if (e.drawingMode == BMAP_DRAWING_CIRCLE) {
result += ' 半徑：' + e.overlay.getRadius();
result += ' 中心點：' + e.overlay.getCenter().lng + "," + e.overlay.getCenter().lat;
}
if (e.drawingMode == BMAP_DRAWING_POLYLINE || e.drawingMode == BMAP_DRAWING_POLYGON || e.drawingMode == BMAP_DRAWING_RECTANGLE) {
result += ' 所畫的點個數：' + e.overlay.getPath().length;
}
result += "</p>";
$("showOverlayInfo").style.display = "none";
$("panel").innerHTML += result; //將繪製的覆蓋物信息結果輸出到結果面板
};

var styleOptions = {
strokeColor:"red", //邊線顏色。
fillColor:"red", //填充顏色。當參數爲空時，圓形將沒有填充效果。
strokeWeight: 3, //邊線的寬度，以像素爲單位。
strokeOpacity: 0.8, //邊線透明度，取值範圍0 - 1。
fillOpacity: 0.6, //填充的透明度，取值範圍0 - 1。
strokeStyle: 'solid' //邊線的樣式，solid或dashed。
}
//實例化鼠標繪製工具
var drawingManager = new BMapLib.DrawingManager(map, {
isOpen: false, //是否開啓繪製模式
enableDrawingTool: true, //是否顯示工具欄
drawingToolOptions: {
anchor: BMAP_ANCHOR_TOP_RIGHT, //位置
offset: new BMap.Size(5, 5), //偏離值
scale: 0.8 //工具欄縮放比例
},
circleOptions: styleOptions, //圓的樣式
polylineOptions: styleOptions, //線的樣式
polygonOptions: styleOptions, //多邊形的樣式
rectangleOptions: styleOptions //矩形的樣式
});

//添加鼠標繪製工具監聽事件，用於獲取繪製結果
drawingManager.addEventListener('overlaycomplete', overlaycomplete);

function $(id){
return document.getElementById(id);
}

function clearAll() {
for(var i = 0; i < overlays.length; i++){
map.removeOverlay(overlays[i]);
}
overlays.length = 0
}

var isPanelShow = false;
//顯示結果面板動作
$("showPanelBtn").onclick = showPanel;
function showPanel(){
if (isPanelShow == false) {
isPanelShow = true;
$("showPanelBtn").style.right = "230px";
$("panelWrap").style.width = "230px";
$("map").style.marginRight = "230px";
$("showPanelBtn").innerHTML = "隱藏繪製結果信息<br/>>";
} else {
isPanelShow = false;
$("showPanelBtn").style.right = "0px";
$("panelWrap").style.width = "0px";
$("map").style.marginRight = "0px";
$("showPanelBtn").innerHTML = "顯示繪製結果信息<br/><";
}
}

map.addEventListener("click",function(e){ //單擊地圖，形成折線覆蓋物
newpoint = new BMap.Point(e.point.lng,e.point.lat);
if(key==0){
// if(points[points.length].lng==points[points.length-1].lng){alert(111);}
//if(p_recordPoint==1){
points.push(newpoint); //將新增的點放到數組中
//}
polyline.setPath(points); //設置折線的點數組
map.addOverlay(polyline); //將折線添加到地圖上
// document.getElementById("info").innerHTML += "new BMap.Point(" + e.point.lng + "," + e.point.lat + "),</br>"; //輸出數組裏的經緯度
}
});
map.addEventListener("dblclick",function(e){ //雙擊地圖，形成多邊形覆蓋物
if(key==0){
map.disableDoubleClickZoom(); //關閉雙擊放大
var polygon = new BMap.Polygon(points);
map.addOverlay(polygon); //將折線添加到地圖上
}
});

function recordPoint(pval){
p_recordPoint=pval;
}

function disPoint(){
var l_point="";
for(var i=0,l=points.length-1;i<l; ++i){
l_point +=points[i].lng+","+points[i].lat+";";
}
document.getElementById("dispointtext").value=l_point ;
}
</script>
</body>
</html>
</script>

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