jsp 实现修改和删除功能

1. main.jsp   实现查询 在此界面创建超链接到修改界面   

点击修改会把数据传递到exit.jsp

修改   edit.jsp

 

 

 

前面数据：

数据库：

 1 /*
 2  Navicat Premium Data Transfer
 3 
 4  Source Server         : c10.87.12.251
 5  Source Server Type    : SQL Server
 6  Source Server Version : 11002100
 7  Source Host           : 10.87.12.251:1433
 8  Source Catalog        : userdb
 9  Source Schema         : dbo
10 
11  Target Server Type    : SQL Server
12  Target Server Version : 11002100
13  File Encoding         : 65001
14 
15  Date: 19/06/2019 22:19:40
16 */
17 
18 
19 -- ----------------------------
20 -- Table structure for userinfo
21 -- ----------------------------
22 IF EXISTS (SELECT * FROM sys.all_objects WHERE object_id = OBJECT_ID(N'[dbo].[userinfo]') AND type IN ('U'))
23     DROP TABLE [dbo].[userinfo]
24 GO
25 
26 CREATE TABLE [dbo].[userinfo] (
27   [id] int IDENTITY(1,1) NOT NULL,
28   [username] varchar(50) COLLATE Chinese_PRC_CI_AS NULL,
29   [userpwd] varchar(50) COLLATE Chinese_PRC_CI_AS NULL,
30   [sex] varchar(50) COLLATE Chinese_PRC_CI_AS NULL,
31   [age] int NULL,
32   [address] varchar(50) COLLATE Chinese_PRC_CI_AS NULL
33 )
34 GO
35 
36 ALTER TABLE [dbo].[userinfo] SET (LOCK_ESCALATION = TABLE)
37 GO
38 
39 
40 -- ----------------------------
41 -- Records of [userinfo]
42 -- ----------------------------
43 SET IDENTITY_INSERT [dbo].[userinfo] ON
44 GO
45 
46 INSERT INTO [dbo].[userinfo] ([id], [username], [userpwd], [sex], [age], [address]) VALUES (N'1', N'root', N'123', N'1', N'1', N'1')
47 GO
48 
49 SET IDENTITY_INSERT [dbo].[userinfo] OFF
50 GO

用户信息数据库代码