python访问SQL数据库--pymssql.py示例

 见示例代码：

注意：

当对数据库进行updata、insert、delete后，一定要调用

commit的方法，否则不会更新到数据库，上次因为这个原因

害我找了一个多小时的问题，暴汗

#-*- coding:utf-8 -*- from walle.resultbackup.database import pymssql SQLSERVER = '192.168.28.193/SQLEXPRESS' USER = 'sa' PASSWORD = 'walle' DATABASE = 'walle' g_Conn = None def openDB(): global g_Conn g_Conn = pymssql.connect(host=SQLSERVER,user=USER,password=PASSWORD,database=DATABASE) def closeDB(): global g_Conn g_Conn.close() def query(sql): try: openDB() global g_Conn cursor = g_Conn.cursor() ret = cursor.execute(sql) rows = cursor.fetchall() return rows except: raise Exception, 'query database has wrong' finally: closeDB() def insert_many(sql, params): ''' 新增多条记录， params: sql:执行的sql语句 parmas:一个list，listitem为一个参数元组 ''' try: openDB() global g_Conn cursor = g_Conn.cursor() for param in params: sql_temp = sql % param cursor.execute(sql_temp) g_Conn.commit() return True except Exception,ex: print '%s:%s' % (Exception, ex) g_Conn.rollback() raise Exception, 'insert database has wrong' return False finally: closeDB() def insert(sql): try: openDB() global g_Conn cursor = g_Conn.cursor() cursor.execute(sql) g_Conn.commit() except: g_Conn.rollback() raise Exception, 'query database has wrong' finally: closeDB() if __name__ == "__main__": # sql = "select * from tbCasesResult where TestToolRunID = 1" sql = "select * from tbTest" sql = "select * from tbNew" sql_insert = "insert into tbNew([name],[age]) values ('test', 113)" a = query(sql) b = insert(sql_insert) print a