以下是使用js代码实现百度地图计算两地距离，代码如下所示：
<script src="https://www.jb51.net/js/jquery-1.9.0.js" type="text/javascript" language="javascript"></script> <script language="javascript" type="text/javascript" src="https://www.jb51.net/js/area.js"></script> <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2" language="javascript"></script> </head> <body> <div> <table cellpadding="0" cellspacing="0"> <tr> <td> <td valign="top"> <table cellspacing="0" cellpadding="0"> <tr> <td> <table cellspacing="0" cellpadding="0"> <tr> <td><span></span></td> <td> 出发城市 </td> <td> <select onChange="changearea(this.value,document.getElementById('AreaDept1_Prefecture'));"> <option value="">-省份-</option> </select> <select onchange="changecity(document.getElementById('AreaDept1_Province').value,document.getElementById('AreaDept1_Prefecture').value,document.getElementById('AreaDept1_Xian'))"> <option value="">-城市-</option> </select> <select> <option value="">-县-</option> </select> <script language="JavaScript" type="text/javascript"> setup(document.getElementById("AreaDept1_Province")); //$("#AreaDept1_Province").find("option[text='"+DProvice+"']").attr("selected",true); //changearea(DProvice,document.getElementById('AreaDept1_Prefecture')); //$("#AreaDept1_Prefecture").find("option[text='"+DCity+"']").attr("selected",true); </script> </td> <td> 到 </td> <td> <select onChange="changearea(this.value,document.getElementById('cdd'));"> <option value='' selected="selected">-省份-</option> </select> <select onchange="changecity(document.getElementById('mdd').value,document.getElementById('cdd').value,document.getElementById('xian'))"> <option value="" selected="selected">-城市-</option> </select> <select> <option value="" selected="selected">-县-</option> </select> <script language="JavaScript" type="text/javascript"> setup(document.getElementById("mdd")); </script> </td> <td> <div> <img src="https://www.jb51.net/images/search.gif" alt="中国公路里程查询" /></div></td> <td><table cellspacing="0" cellpadding="0"> <tr> <td> </td> <td><span></span></td> <td> 出发城市 </td> <td> <input type="text" size="10" /></td> <td> 到 </td> <td><input type="text" size="10" /> </td> <td><div> <img src="https://www.jb51.net/images/search.gif" alt="中国公路里程查询" /></div></td> </tr> </table></td> </tr> </table> </div> </td> </tr> <tr> <td><div></div></td> </tr> <tr> <td> </td> </tr> <tr> <td valign="top"> <div> <div> </div> </div> <div> <div> <div>查询结果</div> <div></div> <div> </div> </div> </div> </td> </tr> </table></td> </tr> </table> </div> </body> </html> <script language="javascript" type="text/javascript"> var map = new BMap.Map("container"); //var mapStyle = { style: "mapbox" } //map.setMapStyle(mapStyle); map.centerAndZoom(new BMap.Point(116.404, 39.915), 14); //map.centerAndZoom(point, 11); map.addControl(new BMap.NavigationControl()); // 添加平移缩放控件 map.addControl(new BMap.OverviewMapControl()); //添加缩略地图控件 map.enableScrollWheelZoom(); //启用滚轮放大缩小 map.setMapStyle({ style: "mapbox" }); function SetMap() { var oGl = document.getElementById("div_gongli"); var ofprovince = document.getElementById("AreaDept1_Province") var ofname = document.getElementById("AreaDept1_Prefecture") var ofxian = document.getElementById("AreaDept1_Xian") var otprovince = document.getElementById("mdd") var otname = document.getElementById("cdd"); var otxian = document.getElementById("xian") var output = "全程："; if (ofname.value == "") { alert('请输入出发地！'); return; } if (otname.value == "") { alert('请输入到达地!'); return; } var title = document.getElementById("div_title"); title.innerText = "'" + ofprovince.value + ofname.value + ofxian.value + "到" + otprovince.value + otname.value + otxian.value + "' 查询结果"; var searchComplete = function(results) { if (transit.getStatus() != BMAP_STATUS_SUCCESS) { return; } var plan = results.getPlan(0); output += plan.getDistance(true); //获取距离 output += "https://www.jb51.net/"; output += plan.getDuration(true); //获取时间 } var transit = new BMap.DrivingRoute(map, { renderOptions: { map: map, panel: "results", autoViewport: true }, onSearchComplete: searchComplete, onPolylinesSet: function() { oGl.innerText = output; } }); transit.search(ofprovince.value + ofname.value + ofxian.value, otprovince.value + otname.value + otxian.value); } function SetMap2() { var oGl = document.getElementById("div_gongli"); var ofname = document.getElementById("farea"); var otname = document.getElementById("tarea"); var output = "全程："; if (ofname.value == "") { alert('请输入出发地！'); return; } if (otname.value == "") { alert('请输入到达地!'); return; } var title = document.getElementById("div_title"); title.innerText = "'" + ofname.value + "到" + otname.value + "' 查询结果"; var searchComplete = function(results) { if (transit.getStatus() != BMAP_STATUS_SUCCESS) { return; } var plan = results.getPlan(0); output += plan.getDistance(true); //获取距离 output += "https://www.jb51.net/"; output += plan.getDuration(true); //获取时间 } var transit = new BMap.DrivingRoute(map, { renderOptions: { map: map, panel: "results", autoViewport: true }, onSearchComplete: searchComplete, onPolylinesSet: function() { oGl.innerText = output; } }); transit.search(ofname.value, otname.value); } </script>
下面给大家介绍C#如何根据百度地图，计算出两地之间的驾驶距离