arcgis api for javascipt 加载天地图、百度地图

写在前面的话：

1.百度地图是自己定义的坐标系统，wkid=102100.百度地图数据是加密的产物。下文将附上百度坐标与WGS84，谷歌等坐标系统转换方法（地理-地理），此方法并未亲测，据说准

2.百度地图可以直接加载经纬度坐标

3.百度地图如果加载的arcgis api中会出现坐标偏移，1.中已经解决了地理坐标转换，那么找到百度投影-地理坐标的转换方式，则arcgis就可以直接无偏加载了，网上很多方法，但是亲测不行。

4.天地图不是涉密数据，根据本文提供的类库,arcgis api for js可以直接加载。但是数据有略微的偏移

天地图的切片地图可以通过esri.layers.TiledMapServiceLayer来加载，在此将之进行了一定的封装，如下：

1、切片线划图——TDTLayer.js

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define(["dojo/_base/declare",     "esri/layers/tiled"],     function (declare) {         return declare(esri.layers.TiledMapServiceLayer, {             constructor: function () {                 this.spatialReference = new esri.SpatialReference({ wkid: 4326 });                 this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-180.0, -90.0, 180.0, 90.0, this.spatialReference));                 this.tileInfo = new esri.layers.TileInfo({                     "rows": 256,                     "cols": 256,                     "compressionQuality": 0,                     "origin": {                         "x": -180,                         "y": 90                     },                     "spatialReference": {                         "wkid": 4326                     },                     "lods": [                         { "level": 2, "resolution": 0.3515625, "scale": 147748796.52937502 },                         { "level": 3, "resolution": 0.17578125, "scale": 73874398.264687508 },                         { "level": 4, "resolution": 0.087890625, "scale": 36937199.132343754 },                         { "level": 5, "resolution": 0.0439453125, "scale": 18468599.566171877 },                         { "level": 6, "resolution": 0.02197265625, "scale": 9234299.7830859385 },                         { "level": 7, "resolution": 0.010986328125, "scale": 4617149.8915429693 },                         { "level": 8, "resolution": 0.0054931640625, "scale": 2308574.9457714846 },                         { "level": 9, "resolution": 0.00274658203125, "scale": 1154287.4728857423 },                         { "level": 10, "resolution": 0.001373291015625, "scale": 577143.73644287116 },                         { "level": 11, "resolution": 0.0006866455078125, "scale": 288571.86822143558 },                         { "level": 12, "resolution": 0.00034332275390625, "scale": 144285.93411071779 },                         { "level": 13, "resolution": 0.000171661376953125, "scale": 72142.967055358895 },                         { "level": 14, "resolution": 8.58306884765625e-005, "scale": 36071.483527679447 },                         { "level": 15, "resolution": 4.291534423828125e-005, "scale": 18035.741763839724 },                         { "level": 16, "resolution": 2.1457672119140625e-005, "scale": 9017.8708819198619 },                         { "level": 17, "resolution": 1.0728836059570313e-005, "scale": 4508.9354409599309 },                         { "level": 18, "resolution": 5.3644180297851563e-006, "scale": 2254.4677204799655 }                     ]                 });                 this.loaded = true;                 this.onLoad(this);             },             getTileUrl: function (level, row, col) {                 return "http://t" + col % 8 + ".tianditu.cn/vec_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";             }         });     });

2、切片标注——TDTAnnoLayer.js

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define(["dojo/_base/declare",     "esri/layers/tiled"],     function (declare) {         return declare(esri.layers.TiledMapServiceLayer, {             constructor: function () {                 this.spatialReference = new esri.SpatialReference({ wkid: 4326 });                 this.initialExtent = (this.fullExtent = new esri.geometry.Extent(-180.0, -90.0, 180.0, 90.0, this.spatialReference));                 this.tileInfo = new esri.layers.TileInfo({                     "rows": 256,                     "cols": 256,                     "compressionQuality": 0,                     "origin": {                         "x": -180,                         "y": 90                     },                     "spatialReference": {                         "wkid": 4326                     },                     "lods": [                         { "level": 2, "resolution": 0.3515625, "scale": 147748796.52937502 },                         { "level": 3, "resolution": 0.17578125, "scale": 73874398.264687508 },                         { "level": 4, "resolution": 0.087890625, "scale": 36937199.132343754 },                         { "level": 5, "resolution": 0.0439453125, "scale": 18468599.566171877 },                         { "level": 6, "resolution": 0.02197265625, "scale": 9234299.7830859385 },                         { "level": 7, "resolution": 0.010986328125, "scale": 4617149.8915429693 },                         { "level": 8, "resolution": 0.0054931640625, "scale": 2308574.9457714846 },                         { "level": 9, "resolution": 0.00274658203125, "scale": 1154287.4728857423 },                         { "level": 10, "resolution": 0.001373291015625, "scale": 577143.73644287116 },                         { "level": 11, "resolution": 0.0006866455078125, "scale": 288571.86822143558 },                         { "level": 12, "resolution": 0.00034332275390625, "scale": 144285.93411071779 },                         { "level": 13, "resolution": 0.000171661376953125, "scale": 72142.967055358895 },                         { "level": 14, "resolution": 8.58306884765625e-005, "scale": 36071.483527679447 },                         { "level": 15, "resolution": 4.291534423828125e-005, "scale": 18035.741763839724 },                         { "level": 16, "resolution": 2.1457672119140625e-005, "scale": 9017.8708819198619 },                         { "level": 17, "resolution": 1.0728836059570313e-005, "scale": 4508.9354409599309 },                         { "level": 18, "resolution": 5.3644180297851563e-006, "scale": 2254.4677204799655 }                     ]                 });                 this.loaded = true;                 this.onLoad(this);             },             getTileUrl: function (level, row, col) {                 return "http://t" + row % 8 + ".tianditu.cn/cva_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=c&TILEMATRIX=" + level + "&TILEROW=" + row + "&TILECOL=" + col + "&FORMAT=tiles";             }         });     });

封装好之后就可以在页面调用了，调用的时候需要导入这些自定义的图层，导入方式为：

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<script type="text/javascript">     dojoConfig = {         parseOnLoad: true,         packages: [{             name: 'tdlib',             location: this.location.pathname.replace(//[^/]+$/, "")+"/js/tdlib"         }]     }; </script> <script src="http://localhost/arcgis_js_api/library/3.9/3.9/init.js"></script> <script>     require(["tdlib/TDTLayer",         "tdlib/TDTAnnoLayer"],     function (TDTLayer,          TDTAnnoLayer     ){         var basemap = new TDTLayer();         map.addLayer(basemap);         var annolayer = new TDTAnnoLayer();         map.addLayer(annolayer);     }); </script><br><br><span style="color: rgb(128, 0, 0);">完整调用代码：<br></span>

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<span style="color: rgb(128, 0, 0);"><br><br><br><!DOCTYPE html><br><html><br><head><br>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><br>    <title>Baidu Map</title><br>   <link rel="stylesheet" href="https://js.arcgis.com/3.17/esri/css/esri.css"><br>    <style><br>        html, body, #map {<br>            height: 100%;<br>            margin: 0;<br>            padding: 0;<br>        }<br>        .base-map-ano{<br>            position: absolute;<br>            right: 0pt;<br>            top:18pt;<br>            background: #e6edf1;<br>            border: #96aed1 1px solid;<br>            padding: 4px 5px;<br>            padding-left: 0px;<br>            padding-top: 0px;<br>            display: none;<br>            font-weight: normal;<br>        }<br>        .base-map{<br>            position: absolute;<br>            right: 15pt;<br>            top:15pt;<br>            background: #f0f0f0;<br>            border: #96aed1 1px solid;<br>            auto;<br>            height: auto;<br>            z-index: 99;<br>            font:normal 11px "宋体",Arial;<br>            color:#868686;<br>        }<br>        .base-map-switch{<br>            padding: 4px 8px;<br>            float: left;<br>        }<br>        .base-map-switch-active{<br>            background:#e6edf1;<br>            font-weight: bold;<br>            color: #4d4d4d;<br>        }<br>        .base-map-switch:hover{<br>            cursor: pointer;<br>        }<br>        .base-map-switch-center{<br>            border: 1px #96aed1 solid;<br>            border-top:none;<br>            border-bottom:none;<br>        }<br>    </style><br>    <script type="text/javascript"><br>        dojoConfig = {<br>            parseOnLoad: true,<br>            packages: [{<br>                name: 'bdlib',<br>                location: this.location.pathname.replace(//[^/]+$/, "")+"/js/bdlib"<br>            }]<br>        };<br>    </script><br>    <script type="text/javascript" src="js/transformspatial.js"></script><br>    <script src="https://js.arcgis.com/3.17/"></script><br>    <script type="text/javascript" src="js/plugins/jquery-1.11.1.min.js"></script><br>    <script><br>       var test=GPS.mercator_encrypt(39.115698,117.264604);<br>       console.log(test);<br>        var map,showMap,anoCtrl;<br>        require(["esri/map",<br>            "bdlib/BDVecLayer",<br>            "bdlib/BDImgLayer",<br>            "bdlib/BDAnoLayer",<br>            "esri/layers/FeatureLayer",<br>            "esri/geometry/Point",<br>            "esri/SpatialReference",<br>            "dojo/domReady!"],<br>                function (Map,<br>                          BDVecLayer,<br>                          BDImgLayer,<br>                          BDAnoLayer,<br>                          FeatureLayer,<br>                          Point,<br>                          SpatialReference<br>                        ){<br>                    map = new Map("map", {<br>                        logo: false<br>                    });<br>                    var vecMap = new BDVecLayer();<br>                    var imgMap = new BDImgLayer();<br>                    var anoMap = new BDAnoLayer();<br>                    map.addLayer(vecMap);<br>                    map.addLayers([imgMap,anoMap]);<br>                    imgMap.hide(),anoMap.hide();<br>map.on("mouse-down",function(item){<br>                        mousedownlocation=item;<br>                        console.log(item.mapPoint.x+"||"+item.mapPoint.y);<br>                        //console.log(mousedownlocation.pageX+"down||down"+mousedownlocation.pageY);<br>                    })<br>                    var pt = new Point(7795368.13681627, 2813270.0795953586, new SpatialReference({ wkid: 102100 }));<br>                    map.centerAndZoom(pt, 19);<br>                    map.on("mouse-move",function(evt){<br>                      // console.log(evt);<br>                    })<br>                    showMap = function(layer){<br>                        //设置按钮样式<br>                        var baseMap = ["vec","img"];<br>                        for(var i= 0, dl=baseMap.length;i<dl;i++){<br>                            $("#"+baseMap[i]).removeClass("base-map-switch-active");<br>                        }<br>                        $("#"+layer).addClass("base-map-switch-active");<br>                        //设置显示地图<br>                        switch(layer){<br>                            case "img":{//影像<br>                                vecMap.hide();<br>                                imgMap.show();<br>                                $("#ano").show();<br>                                break;<br>                            }<br>                            default :{//地图<br>                                vecMap.show();<br>                                imgMap.hide(),anoMap.hide();<br>                                $("#ano").hide();<br>                                $("#chkAno").attr("checked",false);<br>                                break;<br>                            }<br>                        }<br>                    };<br>                    anoCtrl = function(){<br>                        if($("#chkAno").is(":checked")){<br>                            anoMap.show();<br>                        }<br>                        else{<br>                            anoMap.hide();<br>                        }<br>                    }<br>                });<br>    </script><br></head><br><body><br><div id="map"><br>    <div class="base-map"><br>        <div id="vec" class="base-map-switch base-map-switch-active" onclick="showMap('vec')">地图</div><br>        <div id="img" class="base-map-switch base-map-switch-center"  onclick="showMap('img')">影像<br>            <div id="ano" class="base-map-ano"><br>                <input id="chkAno" type="checkbox" name="chkAno" value="chkAno" onchange="anoCtrl()"/>标注<br>            </div><br>        </div><br>    </div><br></div><br></body><br></html><br><br><br>百度地图可调用的有地图切片，影像切片，以及道路等POI切片，我将之用<span style="font-family: Consolas; font-size: 9pt;"><span style="font-family: Consolas; font-size: 9pt;">TiledMapServiceLayer做了扩展，成了BDAnoLayer，BDVecLayer，BDimgLayer三个图层，其代码如下：</span></span></span>

BDAnoLayer.js

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";
            }
        });
    });

BDVecLayer.js

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";
            }
        });
    });

BDimgLayer.js

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";
            }
        });
    });

?

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<span style="color: rgb(128, 0, 0);"> <span style="font-family: Consolas; font-size: 9pt;"><span style="font-family: Consolas; font-size: 9pt;"><span style="font-family: Consolas;"><span class="tracking-ad" data-mod="popu_170"><strong>[javascript]</strong> <a title="view plain" class="ViewSource" href="http://blog.csdn.net/gisshixisheng/article/details/44853709#">view plain</a><span data-mod="popu_168"> <a title="copy" class="CopyToClipboard" href="http://blog.csdn.net/gisshixisheng/article/details/44853709#">copy</a><span data-mod="popu_169"> <a title="print" class="PrintSource" href="http://blog.csdn.net/gisshixisheng/article/details/44853709#">print</a><a title="?" class="About" href="http://blog.csdn.net/gisshixisheng/article/details/44853709#">?</a><span class="tracking-ad" data-mod="popu_167"><a title="在CODE上查看代码片" style="text-indent: 0px;" href="https://code.csdn.net/snippets/635113" target="_blank"><img width="12" height="12" style="left: 2px; top: 1px; position: relative;" alt="在CODE上查看代码片" src="https://code.csdn.net/assets/CODE_ico.png"></a><span class="tracking-ad" data-mod="popu_170"><a title="派生到我的代码片" style="text-indent: 0px;" href="https://code.csdn.net/snippets/635113/fork" target="_blank"><img width="12" height="12" style="left: 2px; top: 2px; position: relative;" alt="派生到我的代码片" src="https://code.csdn.net/assets/ico_fork.svg"></a></span></span></span></span></span></span></span></span></span>

<!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,#allmap { 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=你的秘钥"></script>
    <title>地图展示</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
    // 百度地图API功能
    var map = new BMap.Map("allmap");    // 创建Map实例
    map.centerAndZoom(new BMap.Point(116.404, 39.915), 5);  // 初始化地图,设置中心点坐标和地图级别
    map.addControl(new BMap.MapTypeControl());   //添加地图类型控件
    map.setCurrentCity("北京");          // 设置地图显示的城市 此项是必须设置的
    map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
</script>

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1	<span style="color: rgb(128, 0, 0);"> </span>