//根据services层映射路径从服务器获取数据
$scope.getBorderNode = function () {
  var nodes = [];
  var n = [];
  Home.getBorderNode().then(function (resData) {
    for (var k = 0; k < resData.value.length; k++) {
      n.push(resData.value[k]);
    }
　　//引入linq.js文件
    nodes = n.groupBy(g => g.childId);
    for (var i = 0; i < nodes.length; i++) {
      var node = nodes[i];
      $scope.showBorder(node);
    }
  });
};
//加载图形
$scope.showBorder = function (nodes) {
  var a = [];
  if (nodes[0].borderType === ‘3‘) {
    //多边形
    for (var i = 0; i < nodes.length; i++) {
      a.push([nodes[i].lng, nodes[i].lat]);
    }
    var polygon = new AMap.Polygon({
      path: a,
      strokeColor: ‘#FF33FF‘,
      strokeWeight: 6,
      strokeOpacity: 0.2,
      fillOpacity: 0.4,
      fillColor: ‘#1791fc‘,
      zIndex: 50,
    });
    $scope.map.add(polygon);
    // $scope.map.setFitView([polygon]);
  }
  //圆形
  if (nodes[0].borderType === ‘2‘) {
    for (var i = 0; i < nodes.length; i++) {
      var circle = new AMap.Circle({
        center: [nodes[i].lng, nodes[i].lat],
        radius: nodes[i].radius, //半径
        borderWeight: 3,
        strokeColor: ‘#FF33FF‘,
        strokeOpacity: 1,
        strokeWeight: 6,
        fillOpacity: 0.4,
        strokeStyle: ‘dashed‘,
        strokeDasharray: [10, 10],
        fillColor: ‘#1791fc‘,
        zIndex: 50,
      });
　　　$scop.map.add(circle);　
    }
  }
};
最后在加载地图信息方法调用，注意异步问题。

APP开发——加载地图上绘制信息