1. 下面給出一個(gè)實(shí)例：
2.     action對(duì)象：
3.    package org.viancent.action;
4.     import java.util.Date;
5.     import com.opensymphony.xwork2.ActionSupport;
7.     public class RegisterAction extends ActionSupport {
8.         private String username;
9.         private String password;
10.         private String repassword;
11.         private int age;
12.         private Date birthday;
14.         private String users;
15.         public String getUsers() {
16.             return users;
17.         }
19.         public void setUsers(String users) {
20.             this.users = users;
21.         }
23.         public String getUsername() {
24.             return username;
25.         }
27.         public void setUsername(String username) {
28.             this.username = username;
29.         }
31.         public String getPassword() {
32.             return password;
33.         }
35.         public void setPassword(String password) {
36.             this.password = password;
37.         }
39.         public String getRepassword() {
40.             return repassword;
41.         }
43.         public void setRepassword(String repassword) {
44.             this.repassword = repassword;
45.         }
47.         public int getAge() {
48.             return age;
49.         }
51.         public void setAge(int age) {
52.             this.age = age;
53.         }
55.         public Date getBirthday() {
56.             return birthday;
57.         }
59.         public void setBirthday(Date birthday) {
60.             this.birthday = birthday;
61.         }
63.         @Override
64.         public String execute() throws Exception {
65.             // TODO Auto-generated method stub
66.             return super.execute();
67.         }
69.         // 自定義的執(zhí)行方法
70.         public String test() throws Exception {
71.             System.out.println("test method invoked!");
72.             // TODO Auto-generated method stub
73.             return super.execute();
74.         }
76.         // 自定義的校驗(yàn)方法
77.         public void validateTest() {
78.             System.out.println("validateTest method invoked!");
79.         }
81.          @Override
82.         public void validate() {
83.         System.out.println("validate method invoked!");
84.          if (null == this.getPassword()
85.         || "".equals(this.getPassword()) || null ==
86.                 this.getRepassword()
87.          || "".equals(this.getRepassword())) {
88.          return;
89.             }
91.          if (!this.getPassword().equals(this.getRepassword())) {
92.          this.addFieldError("repassword",
93.          "repassword should be same password");
94.          }
95.          }
96.     }

3.     
7.     /show.jsp
8.      /register.jsp
11.                         method="{1}">
12.     /show.jsp
13.      /register.jsp

 局部validate框架的xml配置信息（RegisterAction-register_test-validation.xml）

4.      //指明是對(duì)哪一個(gè)屬性進(jìn)行驗(yàn)證
5.           //驗(yàn)證的類型
6.          true
7.          username should be notblank!
8.               //如果錯(cuò)誤顯示給客戶端的信息
9.     
10.     
11.         6
12.         10
13.         username should be not between${minLength} and ${maxLength}
14.     
15.     
17.     
18.         
19.         age should be not blank!
20.         
22.         
23.         1
24.         150
25.         age should be between ${min} and ${max}
26.         
27.     
29.     
30.         
31.         birthday should be not blank!
32.         
34.         
35.         1990-10-10
36.         2011-3-14
37.         birthday should be between ${min} and ${max} 
38.                 
39.     

 全局validate框架的xml配置信息（RegisterAction-validation.xml）

3.         
4.             
5.             users should be not blank!
6.             
8.             
9.             6
10.             10
11.             users should be between ${minLength} and ${maxLength}
12.                
13.         

 view 界面的jsp信息：

1.     register.jsp：
3.     
4.         //服務(wù)端驗(yàn)證
5.         
6.         
7.         
8.         
9.         
10.         
11.         
14.         //客戶端驗(yàn)證  validate="true"(關(guān)鍵點(diǎn))
15.         
16.         
17.         
18.     

 show.jsp：

 這里說明一下 validate xml驗(yàn)證的規(guī)則