var viewer = new Cesium.Viewer('map', { geocoder: false, homeButton: false, sceneModePicker: false, fullscreenButton: false, vrButton: false, baseLayerPicker: false, infoBox: false, selectionIndicator: false, animation: false, timeline: false, shouldAnimate: true, navigationHelpButton: false, navigationInstructionsInitiallyVisible: false, imageryProvider: image_Source }); 

 //框选查询 $("#rect_btn").click(function(){ clearMap() if (!drawTool) return; drawTool.startDraw({ type: "rectangle", style: { heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, //material:Cesium.Color.WHITE material:Cesium.Color.fromRgba(0x67ADDFFF) }, success: function (evt) { //console.log('evt',evt); var leftup = evt.leftup; var rightdown = evt.rightdown; //世界坐标转地理坐标（弧度） var leftupcartographic = viewer.scene.globe.ellipsoid.cartesianToCartographic(leftup); var rightdowncartographic = viewer.scene.globe.ellipsoid.cartesianToCartographic(rightdown); //console.log('leftupcartographic',leftupcartographic); //地理坐标（弧度）转经纬度坐标 var leftuppoint = [leftupcartographic.longitude / Math.PI * 180, leftupcartographic.latitude / Math.PI * 180]; console.log('leftuppoint',leftuppoint); var rightdownpoint = [rightdowncartographic.longitude / Math.PI * 180, rightdowncartographic.latitude / Math.PI * 180]; console.log('rightdown',rightdown); var extent = [leftuppoint[0].toFixed(6),leftuppoint[1].toFixed(6),rightdownpoint[0].toFixed(6),rightdownpoint[1].toFixed(6)]; var polygon = null; if(extent && extent.length>0){ //构造polygon  polygon = ''; polygon += extent[0] + ',' + extent[1] + ' ' ; polygon += extent[2] + ',' + extent[1] + ' ' ; polygon += extent[2] + ',' + extent[3] + ' ' ; polygon += extent[0] + ',' + extent[3] + ' ' ; polygon += extent[0] + ',' + extent[1] + ' ' ; } console.log('polygon',polygon); if(polygon){ queryByPolygon(polygon,'bs_spot_t',callbackLastQueryWFSService); } } }); }); //清空 $("#clear_btn").click(function(){ clearMap(); });