struts tree 结构

http://localhost:8080/SSHLearning/tags/ssh_tree.action

 struts.xml

 

	
		/WEB-INF/pages/tags/{1}.jsp
	
	
 
 
    

 bean

package com.ssh.beans;
import java.util.List;


public class AreaInfo {

	private int id;
	private String areaName;
	private String phoneNo;
	private String postCode;

	private List areas;
	
	
	public AreaInfo(int id, String areaName) {
		super();
		this.id = id;
		this.areaName = areaName;
	}
	public AreaInfo() {
	}
	public AreaInfo(int id, String areaName, String phoneNo, String postCode) {
		super();
		this.id = id;
		this.areaName = areaName;
		this.phoneNo = phoneNo;
		this.postCode = postCode;
	}
	
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getAreaName() {
		return areaName;
	}
	public void setAreaName(String areaName) {
		this.areaName = areaName;
	}
	public List getAreas() {
		return areas;
	}
	public void setAreas(List areas) {
		this.areas = areas;
	}
	public String getPhoneNo() {
		return phoneNo;
	}

	public void setPhoneNo(String phoneNo) {
		this.phoneNo = phoneNo;
	}

	public String getPostCode() {
		return postCode;
	}

	public void setPostCode(String postCode) {
		this.postCode = postCode;
	}
}

 

Action

package com.ssh.actions;

import java.util.ArrayList;
import java.util.List;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.ssh.beans.AreaInfo;

public class ExampleAction extends ActionSupport {
	
	public String tree(){

		List listPro = new ArrayList();// 省集合

		AreaInfo pro = new AreaInfo(1, "福建");// 省
		List listCitys = new ArrayList();// 省对应的城市集合
		listCitys.add(new AreaInfo(10, "福州"));
		listCitys.add(new AreaInfo(11, "厦门"));
		listCitys.add(new AreaInfo(12, "泉州"));
		pro.setAreas(listCitys);// 将城市添加到省里
		listPro.add(pro);// 将省添加到省集合里

		pro = new AreaInfo(2, "江西");// 省
		listCitys = new ArrayList();// 省对应的城市集合
		listCitys.add(new AreaInfo(20, "南昌"));
		listCitys.add(new AreaInfo(21, "九江"));
		listCitys.add(new AreaInfo(22, "赣州"));
		pro.setAreas(listCitys);// 将城市添加到省里
		listPro.add(pro);// 将省添加到省集合里

		ActionContext.getContext().put("listPro", listPro);
		
		return SUCCESS;
	}
}

jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%@ taglib uri="/struts-dojo-tags" prefix="sx"%>