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  • [python]Python操作MySQL

    【安装】

    安装MySQL

    安装MySQL不用多说了,下载下来安装就是,没有特别需要注意的地方。

    一个下载地址:点击打开链接

    【样例】

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    # coding=utf-8
    import MySQLdb
     
    #查询数量
    def Count(cur):
       count=cur.execute('select * from Student')
       print 'there has %s rows record' % count
        
    #插入
    def Insert(cur):
       sql = "insert into Student(ID,Name,Age,Sex)values(%s,%s,%s,%s)"
       param = (2,'xiaoming',24,'boy')
       cur.execute(sql,param)
     
    #查询
    def  Select(cur): 
       n = cur.execute("select * from Student")   
       print "------"
       for row in cur.fetchall():   
          for r in row:   
             print r
          print "------"   
    #更新
    def Update(cur):
       sql = "update Student set Name = %s where ID = 2"  
       param = ("xiaoxue")   
       count = cur.execute(sql,param)
     
    #删除
    def Delete(cur):   
       sql = "delete from Student where Name = %s"  
       param =("xiaoxue")   
       n = cur.execute(sql,param)  
      
    try:
       conn=MySQLdb.connect(host='localhost',user='root',passwd='123456',db='python',port=3306)
       cur=conn.cursor()
       #数量
       Count(cur)
       #查询
       Select(cur)
       #插入
       Insert(cur)
       print "插入之后"
       #查询
       Select(cur)
       #更新
       Update(cur)
       print "更新之后"
       #查询
       Select(cur)
       #删除
       Delete(cur)
       print "删除之后"
       #查询
       Select(cur)
        
       cur.close()
       conn.close()
        
    except MySQLdb.Error,e:
       print "Mysql Error %d: %s" % (e.args[0], e.args[1])


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  • 原文地址:https://www.cnblogs.com/rrxc/p/4168818.html
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