//方法封装

function routeplan(x1, x2, y1, y2, barrierPathArray, isDraw, callback) {

require([

"esri/symbol/SimpleLineSymbol",

"esri/Color",

"esri/tasks/RouteTask",

"esri/tasks/FreatureSet",

"esri/tasks/RouteParameters"

], function () {

var routeServerUrl = url;//对应道路图层的服务图层

var routeGraphicLayer = new GraphicLayer(map, layerName);

routeGraphicLayer.clear();//每规划一次删除对应图层

var map = map;

var wkid = 5555;

//起点

var ptStart = new esri.geometry.Point(parseFloat(x1), parseFloat(y1), new esri.SpatialReference({ wkid: wkid }));

//终点

var ptEnd = new esri.geometry.Point(parseFloat(x2), parseFloat(y2), new esri.SpatialReference({ wkid: wkid }));

var startPtGra = new esri.Graphic(ptStart);

var endPtGra = new esri.Graphic(ptEnd);

//设置路径样式

var routeSymbol = new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([1, 2, 3, 1], 5));//说明：rgb透明度，线宽

//起点、终点尾部样式

var routeSymbolDef = new esri.symbol.SimpleLineSymbol(new esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([2, 3, 4, 5], 2));

var routeTask = new esri.tasks.RouteTask(routeServerUrl);

var routeParams = new esri.tasks.routeParameters();

//设置参数

routeParams.outSpatialReference = { wkid: wkid };

routeParams.retuenDirection = true;

routeParams.directionsLengthUnits = esri.Units.METERS;

routeParams.stops = new esri.tasks.FeatureSet();

routeParams.stops.features.push(startPtGra);

routeParams.stops.features.push(endPtGra)

route = JSON.stringify(barrierPathArray);

var temp = jQuery.parseJSON(route);

var array = [];

$.each(temp, function (i, v) {

var point = [v[0], item[1]];

array.push(point);

});

//设置路障参数

if (array.length > 0) {

var barrierRoute = new esri.geometry.Polyline(new esri.SpatialReference({ wkid: wkid }));

var barriersGraphic = new esri.Graphic(barrierRoute);

routeParams.PolylineBarriers = new esri.tasks.FeatureSet();

routeParams.PolylineBarriers.features.push(barriersGraphic);

}

if (routeParams.stops.features.length == 0) {

alert("参数不全，无法分析");

return;

}

routeTask.solve(routeParams,function(solveResult){

if(callback){

callback(solveResult);

}

var routeResults=solveResult.routeResults;

var res=routeResults.length;

if9(isDraw=="false"){

return;

}

if(res>0){

for(var i=0;i<res;i++){

var graphicroute=routeResults[i];

var graphic=graphicroute.route;

graphic.setSymbol(routeSymbol);

routeGraphicLayer.add(graphic);

//连接路线起点、终点、对应的定位起点、终点

var paths=graphic.geometry.paths[0];

var routeStr=paths[0];

var routeEnd=paths[paths.length-1];

var routeStrline=new esri.geometry.Polyline([[x1,y1],routeStr],new esri.SpatialReference({wkid:wkid}));

var routeEndline=new esri.geometry.Polyline([[x2,y2],routeEnd],new esri.SpatialReference({wkid:wkid}));

var strlinegraphic=new esri.Graphic(routeStrline,routeSymbolDef);

var endlinegraphic=new esri.Graphic(routeEndline,routeSymbolDef);

routeGraphicLayer.add(strlinegraphic);

routeGraphicLayer.add(endlinegraphic);

}

}

else{

alert("结果为空");

}

},function(errpr){

alert(errpr);

});

}

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