--TRUNC(date,[fmt]) /TRUNC(number[,decimals])SELECT SYSDATE FROM dual;SELECT TRUNC(SYSDATE) FROM dualSELECT TRUNC(12.34524,2) FROM dual; --12.34SELECT TRUNC(-12.34724,2) FROM dual; --12.34SELECT TRUNC(12.34524,-1) FROM dual; --10--返回当前月的第一天 SELECT T
//通用封装好的js: var map = new BMap.Map("container"); //建树Map实例 var point = new BMap.Point(103.976032, 33.845509); // 建树点坐标 map.centerAndZoom(point, 6); // 初始化地图,设置中心点坐标和地图级别. //地图事件设置函数: map.enableDragging(); //启用地图拖拽事件,默认启用(可不写) map.enableScrollWhe