Method execute

class/projectModel/totle_db.py:296–306

(self, sql, param=())

            return "error: " + str(ex)

    def execute(self, sql, param=()):
        # 执行SQL语句返回受影响行
        self.write_lock()
        self.__GetConn()
        try:
            result = self.__DB_CONN.execute(sql, self.__to_tuple(param))
            self.__DB_CONN.commit()
            self.rm_lock()
            return result.rowcount
        except Exception as ex:
            return "error: " + str(ex)

    # 是否有锁
    def is_lock(self):