Struts2和JSP之间,List对象的传递

1. 需要传递的POJO对象.

/** * @author cheney * * @date Jan 7, 2013 User {private String id;private String name;private String password;/*** @return the id*/public String getId() {return id;}/*** @param id*the id to set setId(String id) {this.id = id;}/*** @return the name*/public String getName() {return name;}/*** @param name*the name to set setName(String name) {this.name = name;}/*** @return the password*/public String getPassword() {return password;}/*** @param password*the password to set setPassword(String password) {this.password = password;}}

2. Action中的初始化和对jsp页面提交对象的接受

import java.util.LinkedList;import java.util.List;import org.apache.struts2.convention.annotation.Action;import org.apache.struts2.convention.annotation.Result;import com.opensymphony.xwork2.conversion.annotations.ConversionRule;import com.opensymphony.xwork2.conversion.annotations.TypeConversion;import com.tydic.base.BaseAction;/** * @author cheney * * @date Aug 15, 2012 UserAction extends BaseAction {private List<User> mapList;/***serialVersionUID = 3551905855359325103L;@Action(value = “/service/flowcard/user/init”, results = { @Result(name = SUCCESS, location = “/jsp/flowcard/u_index.jsp”) })public String init() throws Exception {System.out.println(“init……………..”);mapList = new LinkedList<User>();User user1 = new User();user1.setId(“1”);user1.setName(“chen”);user1.setPassword(“aa”);User user2 = new User();user2.setId(“2”);user2.setName(“fa”);user2.setPassword(“11”);User user3 = new User();user3.setId(“3”);user3.setName(“gaaa”);user3.setPassword(“222”);User user4 = new User();user4.setId(“4”);user4.setName(“mms”);user4.setPassword(“w2w”);mapList.add(user1);mapList.add(user2);mapList.add(user3);mapList.add(user4);return SUCCESS;}@Action(value = “/service/flowcard/user/register”, results = { @Result(name = SUCCESS, location = “/jsp/flowcard/u_succ.jsp”) })public String register() throws Exception {System.out.println(“register……………..”);(int i = 0; i < mapList.size(); i++) {System.out.println(mapList.get(i).getId());System.out.println(mapList.get(i).getName());System.out.println(mapList.get(i).getPassword());System.out.println(“=============================”);}return SUCCESS;}/*** @return the mapList*/public List<User> getMapList() {return mapList;}/*** @param mapList*the mapList to set*/@TypeConversion(rule = ConversionRule.COLLECTION, converter = “com.tydic.flowcard.action.User”)public void setMapList(List<User> mapList) {this.mapList = mapList;}}

3. JSP页面的封装

<body><div><form action=”/service/flowcard/user/register.action” method=”post”><c:forEach var=”ml” items=”${mapList}” varStatus=”status”><input type=”hidden” value=”${ml.id}” /><input type=”hidden” value=”${ml.name}” /><input type=”hidden” value=”${ml.password}” /></c:forEach><input type=”submit” value=”SUBMIT” /></form></div></body>

  

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Struts2和JSP之间,List对象的传递

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