摘要： #region 导出excel /// <summary> /// 把数据插入到Excel表中 /// </summary> /// <param name="sql">Sql语句</param> /// <param name="Tablename">sheet名或者表名</param> /// <returns></returns> public void InsertDataToExcel() { #region Excel进程ID存储 ... 阅读全文

摘要： private static object sign = new object(); public static DBHelper CreateMapping(string connStr = "") { DBHelper db = new DBHelper(connStr); return db; } /// <summary> /// 增删改的数据库连接字符串 /// </summary> string conString = ""; ... 阅读全文