ArcGIS Javascript API - 如何使用jquery ajax获取地图网址

作者: 那年
发布时间: 2024-03-29 09:14:51 (21天前)
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Coolkid | 2019-08-31 10-32

<div class =“post-text”itemprop =“text”> <P> 现在好了。 </p> <pre> <code> dojo.require("esri.map"); var mapLayer; var mapUrl; function init() { fecthData("MapInfo?id=1",getMapInfo); } function getMapInfo(data) { mapUrl= data.mapUrl; if ( mapUrl== undefined ) return; map = new esri.Map("map"); mapLayer = new esri.layers.ArcGISDynamicMapServiceLayer(mapUrl); if ( mapLayer == undefined ) return; map.addLayer(mapLayer); dojo.connect(mapLayer, "onLoad", initFunc); } function fecthData(varUrl, varFunc) { var options = { type: "POST", url: varUrl, data: "", contentType: "application/json;charset=utf-8", dataType: "json", cache: false, success: varFunc }; //execute the ajax call and get a response var request = $.ajax(options); } dojo.addOnLoad(init); </code> </pre> </DIV>

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张三岁 | 2019-08-31 10-32

<div class =“post-text”itemprop =“text”> <P> 看起来你的“fecthData”会在你的“init”执行结束后得到响应。我猜你应该在你的“fecthData”完成后立即启动地图，如下所示： </p> <pre> <code> dojo.require("esri.map"); var map, mapUrl, mapLayer; function init() { fecthData("MapInfo?id=1"); } function fecthData(varUrl) { var options = { type: "POST", url: varUrl, data: "", contentType: "application/json;charset=utf-8", dataType: "json", cache: false, success: function (d) { mapUrl = d.mapUrl; if ( mapUrl == undefined ) return; map = new esri.Map("map"); mapLayer = new esri.layers.ArcGISDynamicMapServiceLayer(mapUrl); dojo.connect(map, "onLoad", someFunction); // layer object doesn't have any onLoad event, so I changed it map.addLayer(mapLayer); } }; var request = $.ajax(options); } dojo.addOnLoad(init); </code> </pre> <P> 或类似的东西 </p> </DIV>

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