Struts 2ラベルの使用
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>student select list</title>
</head>
<body>
<s:form name="form1" action="stuValueselectActionTest">
<s:select
label=" "
list="liststu"
name="selectStudent"
listKey="userid"
listValue="username"
emptyOption="false"
value="3" // value listKey userid, , ， value
/>
<s:submit/>
</s:form>
</body>
</html>
package com.shangyu.bean;
public class StudentListTest {
private String username;
private int userid;
public int getUserid() {
return userid;
}
public void setUserid(int userid) {
this.userid = userid;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}
package com.shangyu.action;
import com.opensymphony.xwork2.ActionSupport;
import com.shangyu.bean.*;
import java.util.*;
public class StudentSelectActionTest extends ActionSupport{
private List liststu;
public List getListstu() {
return liststu;
}
public void setListstu(List liststu) {
this.liststu = liststu;
}
public String execute()
{
List liststu=new ArrayList<StudentListTest>();
StudentListTest stutest=new StudentListTest();
stutest.setUserid(1);
stutest.setUsername(" ");
liststu.add(stutest);
stutest=null;
stutest=new StudentListTest();
stutest.setUserid(2);
stutest.setUsername(" ");
liststu.add(stutest);
stutest=null;
stutest=new StudentListTest();
stutest.setUserid(3);
stutest.setUsername(" ");
liststu.add(stutest);
setListstu(liststu);
return SUCCESS;
}
}
package com.shangyu.action;
import com.opensymphony.xwork2.ActionSupport;
public class stuValueselectActionTest extends ActionSupport{
private String selectStudent;
public String getSelectStudent() {
return selectStudent;
}
public void setSelectStudent(String selectStudent) {
this.selectStudent = selectStudent;
}
public String execute()
{
System.out.println(getSelectStudent()); //
return SUCCESS;
}
}
<action name="studentSelectTest" class="com.shangyu.action.StudentSelectActionTest">
<result name="error">/error.jsp</result>
<result name="success">/studentSelectTest.jsp</result>
</action>
<action name="stuValueselectActionTest" class="com.shangyu.action.stuValueselectActionTest">
<result name="error">/error.jsp</result>
<result name="success">/xx.jsp</result>
</action>