首页 > 代码库 > [python]Python操作MySQL

[python]Python操作MySQL

2024-10-29 13:45:02   210人阅读

【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】

 

?
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])


技术分享技术分享

 

[python]Python操作MySQL


联系
我们