Struts2 struts labels

Struts2 struts labels

1. index. jsp

 

Access attribute tags
2. struts. xml

 

 

  
   
   
   
    
   
    /tags.jsp
      
  
 

3. tags. jsp

 

 

1. Property:
2. The property value is a string:
3. Property default value:
4. Property is set to HTML:
5. Set sets the adminName value (the default value is request and ActionContext ):
6. Set Value From request:
7. Set Value From ActionContext:
8. Set setting range:
9. Value Range: <% = pagecontext. getattribute ("adminpassword") %>
10. Set var, range: ActionContext:
11. Use # values:
12. Bean defines bean and uses param to set new property values;
13. Bean:
14. Include into de1.html include static English files
15. Include include2.html include static Chinese files
16. Include into de1.html contains static English files, meaning % usage
18. If elseif else: age =
    Wrong age! Too young! Yeah!
    Null
19. Traversal set:
    
20. Custom variables:
    
21. Use status:
    | Total number of elements that have been traversed: | Element indexes that have been traversed: | The current value is an even number? : | Is the current number odd? : | Is it the first element? : | Is it the last element? :


22. |


23. |
    

<% = Pagecontext. getattribute ("adminpassword") %> 4. TagsAction. java

 

 

package com.wxh.action;import com.opensymphony.xwork2.ActionSupport;public class TagsAction extends ActionSupport{private String password;private String username;public TagsAction(){}public String execute(){this.addFieldError("fielderror.test","wrong!");return SUCCESS;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}}

 

 

5. Dog. java

 

package com.wxh.action;public class Dog {public Dog(){}public Dog(String anme){super();this.name=name;}private String name;public String getName() {return name;}public void setName(String name) {this.name = name;}public String toString(){return "dog:"+name;}}

 

 

6. S. java

 

package com.wxh.action;public class S {public static String STR="STATIC STRING";public static String s(){return "static method";}}

7. User. java

 

 

package com.wxh.action;public class User {private int age;public User(){System.out.println("user.constructor!");}public User(int age){super();this.age=age;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String toString(){return "user"+age;}}

8.include1.html

 

 

Include1.html
9.20.de2.html

 

 

Chinese