• 记高德地图API简单使用


    高德地图使用

    api地址
    https://lbs.amap.com/api/javascript-api/summary
    高德地图有提供公共接口,查看api,能实现一些项目基本需求效果

    基本使用

    注册帐号

    使用高德api,首先需要注册帐号,并且申请key(以个人或者公司的名字),获取key后才能使用高德地图API去使用开发地图相关功能

    高德地图使用,省图显示,路线规划,行车轨迹

    行车路线规划

    已行驶轨迹绘制

    monitor.html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="utf-8">
        <meta http-equiv='X-UA-Compatible' content='IE=edge'>
        <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
        <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
        <style>
            html,
            body,
            #container {
                 100%;
                height: 100%;
                margin: 0;
            }
        </style>
        <title>车辆配送行程监控</title>
    </head>
    <body>
    <div style=" 800px;height: 800px; position: absolute; top: 50%; left: 50%;transform: translate(-50%, -50%);">
    <div id="container"></div>
    <div class="input-card">
        <h4>选择省份</h4>
        <select name="code-list" id="adcode-list" style="height: 28px;margin-right: 10px;" onchange="changeAdcode(this.value)">
            <option value="-1">选择省份</option>
        </select>
        <h4>选择层级</h4>
        <select name="code-list" style="height: 28px;margin-right: 10px;" onchange="changeDepth(this.value)">
            <option value="0">0 - 显示省级</option>
            <option selected value="1">1 - 显示市级</option>
            <option value="2">2 - 显示区/县级</option>
        </select>
    </div>
    </div>
    <script src="https://webapi.amap.com/maps?v=1.4.15&key=你申请的key&plugin=Map3D,AMap.DistrictLayer,AMap.Scale,AMap.ToolBar,AMap.TruckDriving"></script>
    <script src="https://a.amap.com/Loca/static/mock/adcodes.js"></script>
    <script src="./js/monitor_map.js"></script>
    <script>
        
       
    </script>
    <script>
        // 构造下拉框
        var optArr = adcodes.map(function (item) {
            if (item.adcode == 100000) {
                item.name = '选择省份';
            }
            if(item.adcode == 440000 || item.adcode == 450000 || item.adcode == 530000 || item.adcode == 520000 ||  item.adcode == 460000) {
                return '<option ' + (item.adcode == adCode ? 'selected' : '') + ' value="' + item.adcode + '">' + item.name + '</option>';
            }
            //item.adCode == 360000 ||江西
        });
    
        document.getElementById('adcode-list').innerHTML = optArr.join('');
    </script>
    </body>
    </html>
    

    monitor_map.js

    内容:自定义地图js API使用示例

     
    //首先或一个地图(对象)
     var adCode = 440000;
     var depth = 1;
     var map = new AMap.Map("container", {
         resizeEnable: true,
         zoom: 7,
         center: [113.23333, 23.26667],
         pitch: 0,
         viewMode: '3D',
     });
    
    
    
     // 创建省份图层
     var disProvince;
     function initPro(code, dep) {
         dep = typeof dep == 'undefined' ? 2 : dep;
         adCode = code;
         depth = dep;
    
         disProvince && disProvince.setMap(null);
    
         disProvince = new AMap.DistrictLayer.Province({
             zIndex: 12,
             adcode: [code],
             depth: dep,
             styles: {
                 'fill': function (properties) {
                     // properties为可用于做样式映射的字段,包含
                     // NAME_CHN:中文名称
                     // adcode_pro
                     // adcode_cit
                     // adcode
                     var adcode = properties.adcode;
                     return getColorByAdcode(adcode);
                 },
                 'province-stroke': 'cornflowerblue',
                 'city-stroke': 'white', // 中国地级市边界
                 'county-stroke': 'rgba(255,255,255,0.5)' // 中国区县边界
             }
         });
    
         disProvince.setMap(map);
     }
    
     
     // 颜色辅助方法
     var colors = {};
     var getColorByAdcode = function (adcode) {
         if (!colors[adcode]) {
             var gb = Math.random() * 155 + 50;
             colors[adcode] = 'rgba(' + gb + ',' + gb + ',255,0.45)';
         }
    
         return colors[adcode];
     };
    
    // 五省中心经纬度
     var centerMapLng = new Map();
     var centerMapLat = new Map();
     //lng; //经度
     //lat; //纬度
     centerMapLng.set("530000",102.72);
     centerMapLat.set("530000",25.05);
    
     centerMapLng.set("440000",113.23333);
     centerMapLat.set("440000",23.26667);
    
     centerMapLng.set("520000",106.63);
     centerMapLat.set("520000",26.65);
    
     centerMapLng.set("450000",108.22);
     centerMapLat.set("450000",22.48);
    
     centerMapLng.set("460000",110.32);
     centerMapLat.set("460000",20.03);
     // 按钮事件
     function changeAdcode(code) {
         if (code != 100000) {
             initPro(code, depth);
             setCenter(code);
         }
     }
    
     function setCenter(code){
         var lng = centerMapLng.get(code);
         var lat = centerMapLat.get(code)
         map.setCenter([lng,lat]);
     }
    
     function changeDepth(dep) {
         initPro(adCode, dep);
     }
    
     initPro(adCode, depth);
    
     //设置地图显示范围
     var mybounds = new AMap.Bounds([73, 4], [135,53]); // 设置经纬度边界  [西南经纬度,东北经纬度]
     //map.setBounds(mybounds); //会将地图放大
     map.setLimitBounds(mybounds);
    
    
     // 路线规划,需要有起点和重点经纬度
    
     //起点latitude: "23.167439" longitude: "113.46625"
     //latitude: "23.00637" longitude: "113.124749" 终点 佛山医院
     var truckDriving = new AMap.TruckDriving({
         policy: 0, // 规划策略
         size: 1, // 车型大小
          2.5, // 宽度
         height: 2, // 高度      
         load: 1, // 载重
         weight: 12, // 自重
         axlesNum: 2, // 轴数
         province: '京', // 车辆牌照省份
     })
    
    
     var path = []
     path.push({lnglat:[113.46625, 23.167439]});//起点
     //path.push({lnglat:[113.324749, 23.107439]});//途径
     path.push({lnglat:[113.124749, 23.00637]});//终点
    
    
    
     truckDriving.search(path, function(status, result) {
         // result即是对应的货车导航信息,相关数据结构文档请参考 https://lbs.amap.com/api/javascript-api/reference/route-search#m_DrivingResult
         if (status === 'complete') {
             //log.success('绘制货车路线完成')
    
             if (result.routes && result.routes.length) {
                 drawRoute(result.routes[0]) 
             }
         } else {
             //log.error('获取货车规划数据失败:' + result)
         }
     })
    
    
     // 画路线
     function drawRoute (route) {
         var path = parseRouteToPath(route)
    
         var startMarker = new AMap.Marker({
             position: path[0],
             icon: 'https://webapi.amap.com/theme/v1.3/markers/n/start.png',
             map: map,
             anchor: 'bottom-center',
         })
    
         var endMarker = new AMap.Marker({
             position: path[path.length - 1],
             icon: 'https://webapi.amap.com/theme/v1.3/markers/n/end.png',
             map: map,
             anchor: 'bottom-center',
         })
    
         var routeLine = new AMap.Polyline({
             path: path,
             isOutline: true,
             outlineColor: '#ffeeee',
             borderWeight: 2,
             strokeWeight: 5,
             strokeOpacity: 0.9,
             strokeColor: '#0091ff',
             lineJoin: 'round'
         })
    
         map.add(routeLine);
         // 调整视野达到最佳显示区域
         map.setFitView([ startMarker, endMarker, routeLine ])
         //
         drawPath();
         map.setZoom(8);
     }
    
     // 解析DrivingRoute对象,构造成AMap.Polyline的path参数需要的格式
     // DrivingResult对象结构参考文档 https://lbs.amap.com/api/javascript-api/reference/route-search#m_DriveRoute
     function parseRouteToPath(route) {
         var path = []
    
        for (var i = 0, l = route.steps.length; i < l; i++) {
             var step = route.steps[i]
    
             for (var j = 0, n = step.path.length; j < n; j++) {
                 path.push(step.path[j])
             }
         }
    
         return path
     }
    
    
    
    // 路线规划好后,画出已行驶路线
    
     //轨迹演示
     /*;
    
     113.466393,23.16349;113.466124,23.163199;113.466024,23.163116;113.465586,23.162886;113.465469,23.162873;113.465334,23.162869;113.464753,23.162865;113.464288,23.162878;113.463902,23.162912;113.462956,23.163025;113.461311,23.16322;113.460981,23.16326;113.460326,23.163342;113.460104,23.163368;113.458754,23.163628;113.457943,23.163759;113.457465,23.163811;113.457331,23.163828;113.456879,23.163889;113.456059,23.163984
     
     */
     var marker, lineArr = [
          [113.465972,23.167452],
          [113.465964,23.167335],
          [113.465968,23.167174],
          [113.465924,23.166984],
          [113.465556,23.165217],
          [113.465707,23.165074],
          [113.465777,23.165048],
          [113.466662,23.164813],
          [113.466662,23.164813],
          [113.466632,23.164683],
          [113.466576,23.164375],
          [113.466428,23.163689],
          [113.466393,23.16349],
          [113.466393,23.16349],
          [113.466124,23.163199],
          [113.465586,23.162886],
          [113.465334,23.162869],
          [113.464753,23.162865],
          [113.463902,23.162912]
          ];
    
     
     marker = new AMap.Marker({
         map: map,
         position: [113.464753,23.162865],
         icon: "https://webapi.amap.com/images/car.png",
         offset: new AMap.Pixel(-26, -13),
         autoRotation: true,
         angle:-90,
     });
    
     function drawPath(){
    
     
         // 绘制轨迹
         var polyline = new AMap.Polyline({
             map: map,
             path: lineArr,
             showDir:true,
             strokeColor: "#AF5",//"#28F",  //线颜色
             // strokeOpacity: 1,     //线透明度
             strokeWeight: 6,      //线宽
             // strokeStyle: "solid"  //线样式
         });
    
    
         var passedPolyline = new AMap.Polyline({
             map: map,
             // path: lineArr,
             strokeColor: "#AF5",  //线颜色
             // strokeOpacity: 1,     //线透明度
             strokeWeight: 6,      //线宽
             // strokeStyle: "solid"  //线样式
         });
    
    
         marker.on('moving', function (e) {
             passedPolyline.setPath(e.passedPath);
         });
         
         map.setFitView();
    
         marker.moveAlong([lineArr[lineArr.length-2],lineArr[lineArr.length-1]], 200);
     }
    

    记录一次开发试用记录,学习请看官网API,描写详细清晰

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  • 原文地址:https://www.cnblogs.com/Narule/p/12912681.html
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