Spring MVC框架form标签和input标签的使用

短命女 2022-10-01 00:39 212阅读 0赞

代码：

registerForm.jsp

**\[html\]** [view plain][] [copy][view plain]

1.  **<**%@ page language="java"contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%**>**
2.  **<**%@ taglib prefix="form"uri="http://www.springframework.org/tags/form" %**>**
3.  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"**>**
4.  **<****html****>**
5.  **<****head****>**
6.  **<****meta**http-equiv="Content-Type"content="text/html; charset=UTF-8"**>**
7.  **<****title****>**测试form标签**</****title****>**
8.  **</****head****>**
9.  **<****body****>**
10. **<****h3****>**注册页面**</****h3****>**
11. **<****form:form**method="post"action="register"**>**
12. **<****table****>**
13. **<****tr****>**
14. **<****td****>**姓名:**</****td****>**
15. **<****td****>****<****form:input**path="username"**/>****</****td****>**
16. **</****tr****>**
17. **<****tr****>**
18. **<****td****>**性别:**</****td****>**
19. **<****td****>****<****form:input**path="sex"**/>****</****td****>**
20. **</****tr****>**
21. **<****tr****>**
22. **<****td****>**年龄:**</****td****>**
23. **<****td****>****<****form:input**path="age"**/>****</****td****>**
24. **</****tr****>**
25. **</****table****>**
26. **</****form:form****>**
27. **</****body****>**
28. **</****html****>**

registerForm2.jsp

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1.  **<**%@ page language="java"contentType="text/html; charset=UTF-8"
2.  pageEncoding="UTF-8"%**>**
3.  **<**%@ taglib prefix="form"uri="http://www.springframework.org/tags/form" %**>**
4.  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"**>**
5.  **<****html****>**
6.  **<****head****>**
7.  **<****meta**http-equiv="Content-Type"content="text/html; charset=UTF-8"**>**
8.  **<****title****>**测试form标签**</****title****>**
9.  **</****head****>**
10. **<****body****>**
11. **<****h3****>**注册页面**</****h3****>**
12. **<****form:form**modelAttribute="user"method="post"action="register"**>**
13. **<****table****>**
14. **<****tr****>**
15. **<****td****>**姓名:**</****td****>**
16. **<****td****>****<****form:input**path="username"**/>****</****td****>**
17. **</****tr****>**
18. **<****tr****>**
19. **<****td****>**性别:**</****td****>**
20. **<****td****>****<****form:input**path="sex"**/>****</****td****>**
21. **</****tr****>**
22. **<****tr****>**
23. **<****td****>**年龄:**</****td****>**
24. **<****td****>****<****form:input**path="age"**/>****</****td****>**
25. **</****tr****>**
26. **</****table****>**
27. **</****form:form****>**
28. **</****body****>**
29. **</****html****>**

User.java

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1.  **package** com.bean; 
2.  
3.  **import** java.io.Serializable; 
4.  //域对象，实现序列化接口
5.  **public****class** User **implements** Serializable \{ 
6.  **private** String username; 
7.  **private** String sex; 
8.  **private** Integer age; 
9.  **public** User() \{ 
10. **super**(); 
11. // TODO Auto-generated constructor stub
12.  \} 
13. **public** User(String username, String sex, Integer age) \{ 
14. **super**(); 
15. **this**.username = username; 
16. **this**.sex = sex; 
17. **this**.age = age; 
18.  \} 
19. **public** String getUsername() \{ 
20. **return** username; 
21.  \} 
22. **public****void** setUsername(String username) \{ 
23. **this**.username = username; 
24.  \} 
25. **public** String getSex() \{ 
26. **return** sex; 
27.  \} 
28. **public****void** setSex(String sex) \{ 
29. **this**.sex = sex; 
30.  \} 
31. **public** Integer getAge() \{ 
32. **return** age; 
33.  \} 
34. **public****void** setAge(Integer age) \{ 
35. **this**.age = age; 
36.  \} 
37. @Override
38. **public** String toString() \{ 
39. // TODO Auto-generated method stub
40. **return**"User \[username=" \+ username + ", sex=" \+ sex + ", age=" \+ age + "\]"; 
41.  \} 
42. 
43. \}

UserController.java

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1.  **package** com.control; 
2.  
3.  **import** org.springframework.stereotype.Controller; 
4.  **import** org.springframework.ui.Model; 
5.  **import** org.springframework.web.bind.annotation.RequestMapping; 
6.  **import** org.springframework.web.bind.annotation.RequestMethod; 
7.  
8.  **import** com.bean.User; 
9.  
10. /\*
11.  \* HelloWorldController是一个基于注解的控制器,
12.  \* 可以同时处理多个请求动作，并且无须实现任何接口。
13.  \* org.springframework.stereotype.Controller注解用于指示该类是一个控制器
14.  \*/
15. @Controller
16. **public****class** UserController \{ 
17. @RequestMapping(value="/registerForm",method=RequestMethod.GET) 
18. **public** String registerForm(Model model) \{ 
19.  User user=**new** User("Haige", "男", 20); 
20. // model中添加属性command，值是user对象
21.  model.addAttribute("command",user); 
22. **return**"registerForm"; 
23.  \} 
24. 
25. @RequestMapping(value="/registerForm2",method=RequestMethod.GET) 
26. **public** String registerForm2(Model model) \{ 
27.  User user = **new** User("Haige","男",20); 
28. // model中添加属性user，值是user对象
29.  model.addAttribute("user",user); 
30. **return**"registerForm2"; 
31.  \} 
32. \}

截图：

![Center][]

[view plain]: http://blog.csdn.net/haige_lin/article/details/65437627#
[Center]: /images/20220705/d3f7dc5ac3874432b313e3731614e796.png