摘要：
1. dojo.addOnLoad(init)等价于<body onload=init>，页面加载的时候将执行init()脚本。2. var startExtent = new esri.geometry.Extent(-117.441663360596, 33.9084957122803, -117.272135162354,33.9981395721436, new esri.SpatialReference({wkid:4326}) ); var map = new esri.Map("map",{ nav:true,slider:true,extent: 阅读全文
