摘要:
1. 拖动矩形框查询var gemetry; // 添加dragbox控件 boxcontrol = new OpenLayers.Control(); OpenLayers.Util.extend(boxcontrol, { draw: function () { box = new OpenLayers.Handler.Box( boxcontrol, {"done": this.notice}); document.getElementById("dragpolygon").onclick= function(){ if(document.getE 阅读全文