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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。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | # 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 ]) |