var data = { "state": true, "info": "成功", "data": [ {"coordinate":[116.714919,23.396726],"route_sequence":18,"section_sequence":18},{"coordinate":[116.71399,23.398669],"route_sequence":19,"section_sequence":19},{"coordinate":[116.71101,23.393503],"route_sequence":20,"section_sequence":20},{"coordinate":[116.741079,23.395443],"route_sequence":22,"section_sequence":22},{"coordinate":[116.716585,23.393869],"route_sequence":23,"section_sequence":23},{"coordinate":[116.770493,23.398498],"route_sequence":26,"section_sequence":26},{"coordinate":[116.767268,23.401064],"route_sequence":31,"section_sequence":31},{"coordinate":[116.773984,23.395659],"route_sequence":33,"section_sequence":33},{"coordinate":[116.767733,23.410942],"route_sequence":34,"section_sequence":34},{"coordinate":[116.670037,23.353066],"route_sequence":79,"section_sequence":34},{"coordinate":[116.671359,23.352991],"route_sequence":80,"section_sequence":35},{"coordinate":[116.677534,23.355971],"route_sequence":81,"section_sequence":36},{"coordinate":[116.669183,23.35402],"route_sequence":82,"section_sequence":37},{"coordinate":[116.671359,23.352991],"route_sequence":83,"section_sequence":38} ], "coordinate": [116.783822, 23.42112], "type": "section" }; var gd={ kk:0, keys:[ 'key1','key2','key3' ], arrayData: function (data) { var arrs0=gd.arrData(data); console.log(arrs0.length); var arrs=[]; var ks=gd.keys.length; var as=Math.ceil(arrs0.length/ks); for(var i=0;i<as;i++){ if(arrs0.length>ks){ var a=arrs0.slice(0,ks); arrs0=arrs0.splice(ks,arrs0.length); arrs.push(a); }else{ var a=arrs0.slice(0,arrs0.length); arrs.push(a); } } console.log(arrs.length); return arrs; } , get:function (getStr,callback){ try{ http.get(getStr, function(req,res) { var jsonStr=''; req.on('data',function(data){ jsonStr+=data; }); req.on('end',function(){ var obj=JSON.parse(jsonStr); if(obj.errcode){ callback('err',obj); return false; }else{ if(obj.data.route==null){ callback('err',obj); }else{ var arrs=gd.gdrouteData(obj); callback(arrs,obj); } } }); }).on('error', function(e) { console.log(e); return false; callback('err',{}); }); }catch(e){console.log(e); return false;} }, arrData: function (data) { var obj=data.data; obj.sort(function (x,y) { return x.route_sequence-y.route_sequence; }); var arrs0=[]; var k=1; arrs0.push({c:data.coordinate,s:k}); for(var i=0;i<obj.length;i++){ k++; arrs0.push({c:obj[i].coordinate,s:k}); } var s=arrs0.length; arrs0.push({c:data.coordinate,s:s}); var array2=[]; for(var k=0;k<arrs0.length;k++){ if(arrs0[k+1]){ array2.push({s:k+1,c1:arrs0[k].c,c2:arrs0[k+1].c}); } } return array2; }, gdrouteData_Old:function (obj){ var arrs=[]; if(!obj.data.route.paths){ cosnole.log('obj.data.route.paths不存在',obj.data.route); return false; } var odrp=obj.data.route.paths; for(var i=0;i<odrp.length;i++){ var p=odrp[i].steps; for(var j=0;j< p.length;j++){ var str=p[j].polyline+';'; var strss=str.split(';'); for(var k=0;k<strss.length;k++){ if(strss[k]!=''){ arrs.push(strss[k].split(',')); } } } } return arrs; } , gdrouteData:function (obj){ var arrs=[]; if(!obj.data.route.paths){ cosnole.log('obj.data.route.paths不存在',obj.data.route); return false; } var arr=[]; var odrp=obj.data.route.paths; for(var i=0;i<odrp.length;i++){arr.push({distance:odrp[i].distance,duration:odrp[i].duration,strategy :odrp[i].strategy ,paths:odrp[i]});} arr.sort(function (x,y) {return x.distance-y.distance;}); var p=arr[0].paths.steps; for(var j=0;j< p.length;j++){ var str=p[j].polyline+';'; var strss=str.split(';'); for(var k=0;k<strss.length;k++){ if(strss[k]!=''){ arrs.push(strss[k].split(',')); } } } return arrs; } , getStr: function (arrs0,key) { return 'http://restapi.amap.com/v4/direction/truck?'+qs.stringify({width:2.5, strategy:5, size:2, weight:10, axis:2, height:1.6, load:0.9, key:key, origin:arrs0.c1[0]+','+arrs0.c1[1], destination:arrs0.c2[0]+','+arrs0.c2[1] }); }, gdMapGet:function (arrs0,callback){ if(arrs0){ if(gd.kk==gd.keys.length){gd.kk=0;} gd.get(gd.getStr(arrs0,gd.keys[gd.kk]), function (data,obj) { (data=='err')?gd.gdMapGet2(arrs0,callback):callback(1,arrs0.s,data,obj); }); gd.kk++; }else{ console.log('==============不存在===============') } }, gdMapGet2:function (arrs0,callback){ if(arrs0){ if(gd.kk==gd.keys.length){gd.kk=0;} gd.get(gd.getStr(arrs0,gd.keys[gd.kk]), function (data,obj) { (data=='err')?gd.gdMapGet2(arrs0,callback):callback(2,arrs0.s,data,obj); }); gd.kk++; }else{ console.log('==============不存在===============') } }, main: function (i,arrs0,callback) { if(!arrs0[i]){ console.log('结束触发路线查询'); return false; } console.log('触发查询,i=',i); for(var key=0;key<arrs0[i].length;key++){ gd.gdMapGet(arrs0[i][key],callback); } i++; setTimeout(function () { gd.main(i,arrs0,callback); },100); } };
