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51 lines
1.4 KiB
51 lines
1.4 KiB
5 years ago
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import pymysql
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def select(sql):
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conn = pymysql.connect(host='localhost',user='root', passwd='123456', charset='utf8')
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cursor = conn.cursor()
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conn.select_db('goods')
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# -----------Begin----------
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# 请在下面输入查询数据的语句，完成相应功能
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command = sql
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cursor.execute(command)
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# 请在下面输入获取数据的语句，完成相应功能
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records = cursor.fetchall()
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# ------------End-----------
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# 关闭数据库连接
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cursor.close()
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conn.close()
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return records
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def delete(sql):
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conn = pymysql.connect(host='localhost',user='root', passwd='123456', charset='utf8')
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cursor = conn.cursor()
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conn.select_db('goods')
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# -----------Begin----------
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# 请在下面输入查询数据的语句，完成相应功能
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command = sql
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cursor.execute(command)
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# 请在下面输入获取数据的语句，完成相应功能
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# ------------End-----------
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# 提交数据到数据库
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conn.commit()
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# 关闭数据库连接
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cursor.close()
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conn.close()
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def alter(sql):
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conn = pymysql.connect(host='localhost', user='root', passwd='123456', charset='utf8')
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cursor = conn.cursor()
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conn.select_db('goods')
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command=sql
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cursor.execute(command)
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# 提交数据到数据库
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conn.commit()
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# 关闭数据库连接
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cursor.close()
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conn.close()
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