/map",
"esri/layers/ArcGISTiledMapServiceLayer",
"esri/layers/GraphicsLayer",..."esri/symbols/PictureMarkerSymbol",
"esri/symbols/SimpleLineSymbol", //简单线符号...(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
new esri.Color([255, 0, 0]),...,
new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASHDOT...,
new esri.Color([0,0,255,0.2]), 2),new esri.Color([0,0,255,0.2])