摘要： CREATE TABLE UserLog( UserId INT NOT NULL, UpdateDate DATETIME NOT NULL DEFAULT GETDATE(), [Action] VARCHAR(300) NOT NULL)GOINSERT INTO UserLog(UserId,[Action])VALUES(1,'开始')INSERT INTO UserLog(UserId,[Action])VALUES(1,'麦仁')INSERT INTO UserLog(UserId,[Action])VALUES(1,'理事')IN 阅读全文

摘要： /// <summary> /// 计算坐标距离 /// </summary> /// <param name="lngA">坐标A经度</param> /// <param name="latA">坐标A纬度</param> /// <param name="lngB">坐标B经度</param> /// <param name="latB">坐标B纬度</param> /// <retu 阅读全文