jquery.$.ajax简单的使用

function LoadWFS()
        {
            var viewer = new Cesium.Viewer('cesiumContainer');
            $.ajax({                
                url: "http://localhost/SG/streamer.ashx?&VERSION=1.0.0&Service=WFS&Username=&Password=&TYPENAME=cc.398445&request=GetFeature",
                cache: false,
                async: true,
                success: function (data) {
                    alert(data.childNodes[0].childNodes.length);
                    //alert(data.childNodes[0].childNodes[1].childNodes[0].childNodes[0].childNodes[0].childNodes[0].firstChild.nodeValue);
                    viewer.entities.removeAll();
                    for (var i = 1; i < data.childNodes[0].childNodes.length; i++) {
                        var gxyz = data.childNodes[0].childNodes[i].childNodes[0].childNodes[0].childNodes[0].childNodes[0].firstChild.nodeValue;
                        
                        var geo = gxyz.split(',');

                        var position = Cesium.Cartesian3.fromDegrees(parseFloat(geo[0]), parseFloat(geo[1]), parseFloat(geo[2]));
                        var heading = Cesium.Math.toRadians(135);
                        var pitch = 0;
                        var roll = 0;
                        var hpr = new Cesium.HeadingPitchRoll(heading, pitch, roll);
                        var orientation = Cesium.Transforms.headingPitchRollQuaternion(position, hpr);
                        
                        createModel(parseFloat(geo[0]), parseFloat(geo[1]), 'http://localhost/SG/TerraExplorerWeb/models/Cesium_Air.glb', 1000);

                    };
                    viewer.flyTo(viewer.entities);
                },
                error: function (data) {
                    alert(data);
                }
            });
            
        }