• arcgis api for js 加载百度地图


    最近在研究加载第三方的地图,由于作者是小白昨天整花了一天的事件无法把网上给的东西加载出来,这里首先要了解Dojo前端框架,这款js框架是模块化编程,可以有点类似C#的类库,本文从https://blog.csdn.net/gisshixisheng/article/details/44494715学习很多,但是一直无法调试成功,最终调试成功进行过程详细的剖析。

    一、首先了解Dojo模块的定义(这里定义moudle1的模块这个是一个单独的文件)

    //该模块提供了一个方法,可以改变dom元素的innerHTML
    define(["dojo/dom"], function(dom) {
            return {
                change: function(id,text) {
                    dom.byId(id).innerHTML=text
                }
            }
        }
    );

    在HTML页面中的引用格式

    <script>
            var dojoConfig={
                packages: [{
                    name: "js",//模块的名字
                    location: location.pathname.replace(//[^/]*$/, '') + '/js'//模块所处的路径
                }]
            }
    </script>

    Note:这里js是一个文件夹,刚才定义的模块的js文件包含里面

    在require中添加引用

    require(["js/moudle1"], function(moudle1) {
                moudle1.change("test1","文本改变了moudle3")
            });

    二、定义一个图层模块

    (1)定义BDAnoLayer模块

    define(["dojo/_base/declare",
        "esri/layers/tiled"],
        function (declare) {
            return declare(esri.layers.TiledMapServiceLayer, {
                constructor: function () {
                    this.spatialReference = new esri.SpatialReference({ wkid: 102100 });
                    this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892, this.spatialReference));
                    this.scale = [591657527.591555, 295828763.795777, 147914381.897889, 73957190.948944, 36978595.474472, 18489297.737236, 9244648.868618,
                        4622324.434309, 2311162.217155, 1155581.108577, 577790.554289, 288895.277144, 144447.638572, 72223.819286,
                        36111.9096437, 18055.9548224, 9027.977411, 4513.988705, 2256.994353, 1128.497176];
                    this.resolution = [156543.033928, 78271.5169639999, 39135.7584820001, 19567.8792409999, 9783.93962049996, 4891.96981024998, 2445.98490512499,
                        1222.99245256249, 611.49622628138, 305.748113140558, 152.874056570411, 76.4370282850732, 38.2185141425366, 19.1092570712683, 9.55462853563415,
                        4.77731426794937, 2.38865713397468, 1.19432856685505, 0.597164283559817, 0.298582141647617];
                    this.tileInfo = new esri.layers.TileInfo({
                        "rows": 256,
                        "cols": 256,
                        "compressionQuality": 90,
                        "origin": {
                            "x": -20037508.3427892,
                            "y": 20037508.3427892
                        },
                        "spatialReference": this.spatialReference,
                        "lods": [{ "level": 0, "resolution": this.resolution[0], "scale": this.scale[0] },
                            { "level": 1, "resolution": this.resolution[1], "scale": this.scale[1] },
                            { "level": 2, "resolution": this.resolution[2], "scale": this.scale[2] },
                            { "level": 3, "resolution": this.resolution[3], "scale": this.scale[3] },
                            { "level": 4, "resolution": this.resolution[4], "scale": this.scale[4] },
                            { "level": 5, "resolution": this.resolution[5], "scale": this.scale[5] },
                            { "level": 6, "resolution": this.resolution[6], "scale": this.scale[6] },
                            { "level": 7, "resolution": this.resolution[7], "scale": this.scale[7] },
                            { "level": 8, "resolution": this.resolution[8], "scale": this.scale[8] },
                            { "level": 9, "resolution": this.resolution[9], "scale": this.scale[9] },
                            { "level": 10, "resolution": this.resolution[10], "scale": this.scale[10] },
                            { "level": 11, "resolution": this.resolution[11], "scale": this.scale[11] },
                            { "level": 12, "resolution": this.resolution[12], "scale": this.scale[12] },
                            { "level": 13, "resolution": this.resolution[13], "scale": this.scale[13] },
                            { "level": 14, "resolution": this.resolution[14], "scale": this.scale[14] },
                            { "level": 15, "resolution": this.resolution[15], "scale": this.scale[15] },
                            { "level": 16, "resolution": this.resolution[16], "scale": this.scale[16] },
                            { "level": 17, "resolution": this.resolution[17], "scale": this.scale[17] },
                            { "level": 18, "resolution": this.resolution[18], "scale": this.scale[18] },
                            { "level": 19, "resolution": this.resolution[19], "scale": this.scale[19] }
                        ]
                    });
                    this.loaded = true;
                    this.onLoad(this);
                },
                getTileUrl: function (level, row, col) {
                    var zoom = level - 1;
                    var offsetX = parseInt(Math.pow(2, zoom));
                    var offsetY = offsetX - 1;
                    var numX = col - offsetX, numY = (-row) + offsetY;
                    var num = (col + row) % 8 + 1;
                    return "http://online" + num + ".map.bdimg.com/tile/?qt=tile&x=" + numX + "&y=" + numY + "&z=" + level + "&styles=sl&udt=20141015";
                }
            });
        });
    (2)定义BDImgLayer模块
    define(["dojo/_base/declare",
        "esri/layers/tiled"],
        function (declare) {
            return declare(esri.layers.TiledMapServiceLayer, {
                constructor: function () {
                    this.spatialReference = new esri.SpatialReference({ wkid: 102100 });
                    this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892, this.spatialReference));
                    this.scale = [591657527.591555, 295828763.795777, 147914381.897889, 73957190.948944, 36978595.474472, 18489297.737236, 9244648.868618,
                        4622324.434309, 2311162.217155, 1155581.108577, 577790.554289, 288895.277144, 144447.638572, 72223.819286,
                        36111.9096437, 18055.9548224, 9027.977411, 4513.988705, 2256.994353, 1128.497176];
                    this.resolution = [156543.033928, 78271.5169639999, 39135.7584820001, 19567.8792409999, 9783.93962049996, 4891.96981024998, 2445.98490512499,
                        1222.99245256249, 611.49622628138, 305.748113140558, 152.874056570411, 76.4370282850732, 38.2185141425366, 19.1092570712683, 9.55462853563415,
                        4.77731426794937, 2.38865713397468, 1.19432856685505, 0.597164283559817, 0.298582141647617];
                    this.tileInfo = new esri.layers.TileInfo({
                        "rows": 256,
                        "cols": 256,
                        "compressionQuality": 90,
                        "origin": {
                            "x": -20037508.3427892,
                            "y": 20037508.3427892
                        },
                        "spatialReference": this.spatialReference,
                        "lods": [{ "level": 0, "resolution": this.resolution[0], "scale": this.scale[0] },
                            { "level": 1, "resolution": this.resolution[1], "scale": this.scale[1] },
                            { "level": 2, "resolution": this.resolution[2], "scale": this.scale[2] },
                            { "level": 3, "resolution": this.resolution[3], "scale": this.scale[3] },
                            { "level": 4, "resolution": this.resolution[4], "scale": this.scale[4] },
                            { "level": 5, "resolution": this.resolution[5], "scale": this.scale[5] },
                            { "level": 6, "resolution": this.resolution[6], "scale": this.scale[6] },
                            { "level": 7, "resolution": this.resolution[7], "scale": this.scale[7] },
                            { "level": 8, "resolution": this.resolution[8], "scale": this.scale[8] },
                            { "level": 9, "resolution": this.resolution[9], "scale": this.scale[9] },
                            { "level": 10, "resolution": this.resolution[10], "scale": this.scale[10] },
                            { "level": 11, "resolution": this.resolution[11], "scale": this.scale[11] },
                            { "level": 12, "resolution": this.resolution[12], "scale": this.scale[12] },
                            { "level": 13, "resolution": this.resolution[13], "scale": this.scale[13] },
                            { "level": 14, "resolution": this.resolution[14], "scale": this.scale[14] },
                            { "level": 15, "resolution": this.resolution[15], "scale": this.scale[15] },
                            { "level": 16, "resolution": this.resolution[16], "scale": this.scale[16] },
                            { "level": 17, "resolution": this.resolution[17], "scale": this.scale[17] },
                            { "level": 18, "resolution": this.resolution[18], "scale": this.scale[18] },
                            { "level": 19, "resolution": this.resolution[19], "scale": this.scale[19] }
                        ]
                    });
                    this.loaded = true;
                    this.onLoad(this);
                },
                getTileUrl: function (level, row, col) {
                    var zoom = level - 1;
                    var offsetX = parseInt(Math.pow(2, zoom));
                    var offsetY = offsetX - 1;
                    var numX = col - offsetX, numY = (-row) + offsetY;
                    var num = (col + row) % 8 + 1;
                    return "http://shangetu" + num + ".map.bdimg.com/it/u=x=" + numX + ";y=" + numY + ";z=" + level + ";v=009;type=sate&fm=46&udt=20141015";
                }
            });
        });

    (3)定义BDVecLayer模块

    define(["dojo/_base/declare",
        "esri/layers/tiled"],
        function (declare) {
            return declare(esri.layers.TiledMapServiceLayer, {
                constructor: function () {
                    this.spatialReference = new esri.SpatialReference({ wkid: 102100 });
                    this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892, this.spatialReference));
                    this.scale = [591657527.591555, 295828763.795777, 147914381.897889, 73957190.948944, 36978595.474472, 18489297.737236, 9244648.868618,
                        4622324.434309, 2311162.217155, 1155581.108577, 577790.554289, 288895.277144, 144447.638572, 72223.819286,
                        36111.9096437, 18055.9548224, 9027.977411, 4513.988705, 2256.994353, 1128.497176];
                    this.resolution = [156543.033928, 78271.5169639999, 39135.7584820001, 19567.8792409999, 9783.93962049996, 4891.96981024998, 2445.98490512499,
                        1222.99245256249, 611.49622628138, 305.748113140558, 152.874056570411, 76.4370282850732, 38.2185141425366, 19.1092570712683, 9.55462853563415,
                        4.77731426794937, 2.38865713397468, 1.19432856685505, 0.597164283559817, 0.298582141647617];
                    this.tileInfo = new esri.layers.TileInfo({
                        "rows": 256,
                        "cols": 256,
                        "compressionQuality": 90,
                        "origin": {
                            "x": -20037508.3427892,
                            "y": 20037508.3427892
                        },
                        "spatialReference": this.spatialReference,
                        "lods": [{ "level": 0, "resolution": this.resolution[0], "scale": this.scale[0] },
                            { "level": 1, "resolution": this.resolution[1], "scale": this.scale[1] },
                            { "level": 2, "resolution": this.resolution[2], "scale": this.scale[2] },
                            { "level": 3, "resolution": this.resolution[3], "scale": this.scale[3] },
                            { "level": 4, "resolution": this.resolution[4], "scale": this.scale[4] },
                            { "level": 5, "resolution": this.resolution[5], "scale": this.scale[5] },
                            { "level": 6, "resolution": this.resolution[6], "scale": this.scale[6] },
                            { "level": 7, "resolution": this.resolution[7], "scale": this.scale[7] },
                            { "level": 8, "resolution": this.resolution[8], "scale": this.scale[8] },
                            { "level": 9, "resolution": this.resolution[9], "scale": this.scale[9] },
                            { "level": 10, "resolution": this.resolution[10], "scale": this.scale[10] },
                            { "level": 11, "resolution": this.resolution[11], "scale": this.scale[11] },
                            { "level": 12, "resolution": this.resolution[12], "scale": this.scale[12] },
                            { "level": 13, "resolution": this.resolution[13], "scale": this.scale[13] },
                            { "level": 14, "resolution": this.resolution[14], "scale": this.scale[14] },
                            { "level": 15, "resolution": this.resolution[15], "scale": this.scale[15] },
                            { "level": 16, "resolution": this.resolution[16], "scale": this.scale[16] },
                            { "level": 17, "resolution": this.resolution[17], "scale": this.scale[17] },
                            { "level": 18, "resolution": this.resolution[18], "scale": this.scale[18] },
                            { "level": 19, "resolution": this.resolution[19], "scale": this.scale[19] }
                        ]
                    });
                    this.loaded = true;
                    this.onLoad(this);
                },
                getTileUrl: function (level, row, col) {
                    var zoom = level - 1;
                    var offsetX = parseInt(Math.pow(2, zoom));
                    var offsetY = offsetX - 1;
                    var numX = col - offsetX, numY = (-row) + offsetY;
                    var num = (col + row) % 8 + 1;
                    return "http://online" + num + ".map.bdimg.com/tile/?qt=tile&x=" + numX + "&y=" + numY + "&z=" + level + "&styles=pl&scaler=1&udt=20141103";
                }
            });
        });

    三、在HTML中汇总

    <!DOCTYPE html>
    <html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>Baidu Map</title>
        <link rel="stylesheet" type="text/css" href="https://js.arcgis.com/3.21/esri/css/esri.css" />
        <link rel="stylesheet" type="text/css" href="https://js.arcgis.com/3.21/dijit/themes/tundra/tundra.css" />
      
    
        <script src="../Scripts/jquery-1.10.2.js"></script>
        <script type="text/javascript">
                var dojoConfig = {
                    async: false,//注意这个参数不能缺少,要设置False
                    parseOnLoad: true,
                    packages: [{ //解释:require(["js/.."],function(){}) 中  js/ 即为 location的值
                        name: "bdlib", //对应require引用包里的js
                        location: location.pathname.replace(//[^/]+$/, "") + "/bdlib" //对应的路径
                    }]
                };
        </script>
        <script type="text/javascript" src="https://js.arcgis.com/3.21"></script>//一定要在引用包后面添加
        <!--<script src="/bdlib/BDAnoLayer.js"></script>
        <script src="/bdlib/BDimgLayer.js"></script>
        <script src="/bdlib/JavaScript.js"></script>-->
        <style>
            html, body, #map {
                height: 100%;
                margin: 0; 
                padding: 0;
            }
    
            .base-map-ano {
                position: absolute;
                right: 0pt;
                top: 18pt;
                background: #e6edf1;
                border: #96aed1 1px solid;
                padding: 4px 5px;
                padding-left: 0px;
                padding-top: 0px;
                display: none;
                font-weight: normal;
            }
    
            .base-map {
                position: absolute;
                right: 15pt;
                top: 15pt;
                background: #f0f0f0;
                border: #96aed1 1px solid;
                 auto;
                height: auto;
                z-index: 99;
                font: normal 11px "宋体",Arial;
                color: #868686;
            }
    
            .base-map-switch {
                padding: 4px 8px;
                float: left;
            }
    
            .base-map-switch-active {
                background: #e6edf1;
                font-weight: bold;
                color: #4d4d4d;
            }
    
            .base-map-switch:hover {
                cursor: pointer;
            }
    
            .base-map-switch-center {
                border: 1px #96aed1 solid;
                border-top: none;
                border-bottom: none;
            }
        </style>
      
        <script>
            var map,showMap,anoCtrl;
            require(["esri/map",
                    "bdlib/BDVecLayer",
                    "bdlib/BDImgLayer",
                    "bdlib/BDAnoLayer",
                    "esri/layers/FeatureLayer",
                    "esri/geometry/Point",
                    "esri/SpatialReference",
                    "dojo/domReady!"],
                function (Map,
                          BDVecLayer,
                          BDImgLayer,
                          BDAnoLayer,
                          FeatureLayer,
                          Point,
                          SpatialReference
                ){
                    map = new Map("map", {
                        logo: false
                    });
                    var vecMap = new BDVecLayer();
                    var imgMap = new BDImgLayer();
                    var anoMap = new BDAnoLayer();
                    map.addLayer(vecMap);
                    map.addLayers([imgMap,anoMap]);
                    imgMap.hide();
                    anoMap.hide();
    
                    var pt = new Point(7038512.810510807, 2629489.7975553474, new SpatialReference({ wkid: 102100 }));
                    map.centerAndZoom(pt, 5);
    
                    showMap = function(layer){
                        //设置按钮样式
                        var baseMap = ["vec","img"];
                        for(var i= 0, dl=baseMap.length;i<dl;i++){
                            $("#"+baseMap[i]).removeClass("base-map-switch-active");
                        }
                        $("#"+layer).addClass("base-map-switch-active");
                        //设置显示地图
                        switch(layer){
                            case "img":{//影像
                                vecMap.hide();
                                imgMap.show();
                                $("#ano").show();
                                break;
                            }
                            default :{//地图
                                vecMap.show();
                                imgMap.hide();
                                anoMap.hide();
                                $("#ano").hide();
                                $("#chkAno").attr("checked",false);
                                break;
                            }
                        }
                    };
                    anoCtrl = function(){
                        if($("#chkAno").prop("checked")){
                            anoMap.show();
                        }
                        else{
                            anoMap.hide();
                        }
                    }
                });
        </script>
    </head>
    <body>
        <div id="map">
            <div class="base-map">
                <div id="vec" class="base-map-switch base-map-switch-active" onclick="showMap('vec')">地图</div>
                <div id="img" class="base-map-switch base-map-switch-center" onclick="showMap('img')">
                    影像
                    <div id="ano" class="base-map-ano">
                        <input id="chkAno" type="checkbox" name="chkAno" value="chkAno" onchange="anoCtrl()" />标注
                    </div>
                </div>
            </div>
        </div>
    </body>
    </html>

    四、文件布局


    五、效果图展示



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  • 原文地址:https://www.cnblogs.com/tuboshu/p/10752415.html
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