百度地圖API提供的Demo 功能不全,下面是我改寫的個帶編輯功能的多邊形繪製Demo,有需要的同學拿去
<!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;}.red{color: red;}</style><link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/themes/ui-lightness/jquery-ui.min.css" type="text/css" /><script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script><script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=5E5EE28a7615536d1ffe2ce2a3667859"></script><!--載入滑鼠繪製工具--><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" /><!--載入檢索資訊視窗--><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>百度地圖繪製多邊型帶編輯功能</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;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;">編輯多邊形<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資訊</div> <div id="panel" style="position:absolute;"></div> </div></div><div id="result"> <dl> <dt>繪製工具功能</dt> <ul> <li><label><input type="radio" name="openClose1" onclick="bmap.drawingManager.open()"/>開啟</label> <label><input type="radio" name="openClose1" onclick="bmap.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" onclick="bmap.drawingManager.enableCalculate()"/>開啟</label> <label><input type="radio" name="openClose" onclick="bmap.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" onclick="bmap.drawingManager.setDrawingMode(BMAP_DRAWING_MARKER)" checked="checked"/>畫點</label> <input type="checkbox" id="isInfowindow"/> 是否帶資訊視窗 </li> <li> <label><input type="radio" name="drawmode" onclick="bmap.drawingManager.setDrawingMode(BMAP_DRAWING_CIRCLE)"/>畫圓</label> </li> <li> <label><input type="radio" name="drawmode" onclick="bmap.drawingManager.setDrawingMode(BMAP_DRAWING_POLYLINE)"/>畫線</label> </li> <li> <label><input type="radio" name="drawmode" onclick="bmap.drawingManager.setDrawingMode(BMAP_DRAWING_POLYGON)"/>畫多邊形</label> </li> <li> <label><input type="radio" name="drawmode" onclick="bmap.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="擷取繪製的覆蓋物個數" onclick="bmap.getCount()"/> <input type="button" value="清除所有覆蓋物" onclick="bmap.clearAll()"/> <input type="button" value="擷取最後一個覆蓋物資訊" onclick="bmap.getOverLay()"/> </li> </ul> </dd> </dl></div><script type="text/javascript">/** * Author: mobai * http://mobai.blog.51cto.com/ * 轉載請註明出處 */function $(id){ return document.getElementById(id);}var bmap = { status: false, map: '', point: '', overlays: [], overlaysCache: [], myPolygon: '', myOverlay: [], drawingManager: '', styleOptions: { strokeColor:"red", //邊線顏色。 fillColor:"red", //填充顏色。當參數為空白時，圓形將沒有填充效果。 strokeWeight: 3, //邊線的寬度，以像素為單位。 strokeOpacity: 0.8, //邊線透明度，取值範圍0 - 1。 fillOpacity: 0.3, //填充的透明度，取值範圍0 - 1。 strokeStyle: 'solid' //邊線的樣式，solid或dashed。 }, /** * 執行個體化 */ init: function(){ if(this.status){ return; } this.status = true; this.map = new BMap.Map('map'); this.point = new BMap.Point(116.307852,40.057031); var map = this.map; var styleOptions = this.styleOptions; map.centerAndZoom(this.point, 16); map.enableScrollWheelZoom(); //執行個體化滑鼠繪製工具 this.drawingManager = new BMapLib.DrawingManager(map, { isOpen: false, //是否開啟繪製模式 enableDrawingTool: true, //是否顯示工具列 drawingToolOptions: { anchor: BMAP_ANCHOR_TOP_RIGHT, //位置 offset: new BMap.Size(5, 5), //偏離值 scale: 0.8 //工具列縮放比例 }, 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 }); //添加滑鼠繪製工具監聽事件，用於擷取繪製結果 this.drawingManager.addEventListener('overlaycomplete', bmap.overlaycomplete); /*載入一個已有的多邊形*/ if (this.myOverlay) { this.loadMyOverlay(); }; map.addEventListener("rightclick",function(e){ alert(e.point.lng + "," + e.point.lat); }); }, loadMyOverlay: function(){ var map = this.map; this.clearAll(); map.centerAndZoom(this.point, 11); myPolygon = new BMap.Polygon(this.myOverlay, this.styleOptions); this.myPolygon = myPolygon; try{myPolygon.enableEditing();}catch(e){}; myPolygon.addEventListener("lineupdate",function(e){ bmap.showLatLon(e.currentTarget.W); }); map.addOverlay(myPolygon); }, showLatLon: function(a){ var len = a.length; var s = ''; var arr = []; for(var i =0 ; i < len-1; i++){ arr.push([a[i].lng, a[i].lat]); s += '<li>'+ a[i].lng +','+ a[i].lat +'<span class="red" title="刪除" onclick="bmap.delPoint('+i+')">X</span></li>'; } this.overlaysCache = arr; $("panelWrap").innerHTML = '<ul>'+ s +'</ul>'; }, delPoint: function(i){ if(this.overlaysCache.length <=3 ){ alert('不能再刪除, 請保留3個以上的點.'); return; } this.overlaysCache.splice(i,1); var a = this.overlaysCache; var newOverlay = []; for(var i in a ){ newOverlay.push( new BMap.Point(a[i][0],a[i][1]) ); } this.myOverlay = newOverlay; this.loadMyOverlay(); }, /** *回調獲得覆蓋物資訊 */ overlaycomplete: function(e){ bmap.overlays.push(e.overlay); e.overlay.enableEditing(); e.overlay.addEventListener("lineupdate",function(e){ bmap.showLatLon(e.currentTarget.W); }); }, /** * 清除覆蓋物 */ clearAll: function() { var map = this.map; var overlays = this.overlays; for(var i = 0; i < overlays.length; i++){ map.removeOverlay(overlays[i]); } this.overlays.length = 0 map.removeOverlay(this.myPolygon); this.myPolygon = ''; }, /** *取覆蓋物的經緯度 */ getOverLay: function(){ var box = this.myPolygon ? this.myPolygon : this.overlays[this.overlays.length - 1]; console.log(box.W); }, getCount: function(){ var n = 0; if (this.myPolygon) { n++; }; if (this.overlays) { n = n + this.overlays.length; }; console.log(n); }};//顯示結果面板動作var isPanelShow = false;$("showPanelBtn").onclick = showPanel;function showPanel(){ if (isPanelShow == false) { isPanelShow = true; $("showPanelBtn").style.right = "230px"; $("panelWrap").style.width = "230px"; $("map").style.marginRight = "230px"; $("showPanelBtn").innerHTML = "編輯多邊形<br/>>"; } else { isPanelShow = false; $("showPanelBtn").style.right = "0px"; $("panelWrap").style.width = "0px"; $("map").style.marginRight = "0px"; $("showPanelBtn").innerHTML = "編輯多邊形<br/><"; }}//載入一個已有的多邊形bmap.myOverlay = [ new BMap.Point(116.256515,39.995242), new BMap.Point(116.502579,39.951893), new BMap.Point(116.256515,39.866882)];bmap.init();</script></body></html>
本文出自 “墨亦白時白亦墨” 部落格，請務必保留此出處http://mobai.blog.51cto.com/7300044/1297901
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