public class Person { 
 
  private int id ; 
  private String Name ; 
   
  public int getId() { 
    return id; 
  } 
   
  public Person(int id, String name) { 
    super(); 
    this.id = id; 
    Name = name; 
  } 
 
  public Person() { 
    super(); 
  } 
  public void setId(int id) { 
    this.id = id; 
  } 
  public String getName() { 
    return Name; 
  } 
  public void setName(String name) { 
    Name = name; 
  } 
 
} 

@Override 
  public String execute() throws Exception { 
     
    //application  
    Person p = new Person(1,"zhangsan") ; 
    ActionContext.getContext().getApplication().put("person", p); 
     
    //session 
    Person p1 = new Person(3,"wangwu"); 
    ActionContext.getContext().getSession().put("person", p1); 
     
    //request 
    Person p2 = new Person(2,"lisi"); 
    ActionContext.getContext().put("person", p2) ; 
     
    //servletContext 
    Person p3 = new Person(5,"xiaoming"); 
    ActionContext.getContext().getContextMap().put("person", p3); 
     
    Person p4 = new Person(3,"wangwu"); 
    ActionContext.getContext().getValueStack().push(p4); 
     
    return "success"; 
  } 

person: <input type="text" name="name" value="${person }" /><br />  
id: <input type="text" name="name" value="${person.id }" /><br />  
name: <input type="text" name="name" value="${person.name }" /><br /> 
<hr> 

<s:textfield name="person.name"></s:textfield> 

<input type="text" name="persom.name" id="person.name" value="<s:property value="#person.name"/>" /> 

<s:form action="user_%{ id == 0 ? 'add' : 'update' }"></form> 

<s:if test="%{false}"> 
  <div>Will Not Be Executed</div> 
</s:if> 
<s:elseif test="%{true}"> 
  <div>Will Be Executed</div> 
</s:elseif> 
<s:else> 
  <div>Will Not Be Executed</div> 
</s:else> 

public class Stduent implements java.io.Serializable{ 
   
  private static final long serialVersionUID = -691038814755396419L; 
  private int id ; 
  private String name ; 
  private int score ; 
  private String subject ; 
   
  public int getId() { 
    return id; 
  } 
  public void setId(int id) { 
    this.id = id; 
  } 
  public String getName() { 
    return name; 
  } 
  public void setName(String name) { 
    this.name = name; 
  } 
  public int getScore() { 
    return score; 
  } 
  public void setScore(int score) { 
    this.score = score; 
  } 
  public String getSubject() { 
    return subject; 
  } 
  public void setSubject(String subject) { 
    this.subject = subject; 
  } 
   
  /** 
   * 此处判断成绩是否及格 
   * @param socre 
   * @return 
   */ 
  public boolean isPast(int socre){ 
    return getScore() > 60 ; 
  } 
   
} 

<s:iterator value="#allUser"> 
  <!-- 判断是否过线，过线即输出，否则舍去！ --> 
    <s:if test="#session.user.isPast(score)"> 
        name: <s:textfield name="name"></s:textfield> 
        score: <s:textfield name="score"></s:textfield>\ 
        subject:<s:textfield name="subject"></s:textfield> 
    </s:if> 
</s:iterator>