src/com/action/jiaruAction.java

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package com.action;

import java.util.List;
import java.util.Map;

import org.apache.struts2.ServletActionContext;

import com.dao.TBanjiDAO;
import com.dao.TJiaruDAO;
import com.model.TJiaru;
import com.model.TUser;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class jiaruAction extends ActionSupport
{
	private Integer id;
	private Integer banjiId;
	private Integer userId;
	
	private TJiaruDAO jiaruDAO;
	private TBanjiDAO banjiDAO;
	
	
	
	
	
	public String jiaruMine()
	{
		Map session=ActionContext.getContext().getSession();
		TUser user=(TUser)session.get("user");
		
		StringBuffer sql=new StringBuffer("from TJiaru where userId="+user.getId());
		
		List jiaruList=jiaruDAO.getHibernateTemplate().find(sql.toString());
		for(int i=0;i<jiaruList.size();i++)
		{
			TJiaru jiaru=(TJiaru)jiaruList.get(i);
			jiaru.setBanji(banjiDAO.findById(jiaru.getBanjiId()));
		}
		
		Map request=(Map)ServletActionContext.getContext().get("request");
		request.put("jiaruList", jiaruList);
		return ActionSupport.SUCCESS;
	}
	
	
	public String jiaruAdd()
	{
		Map request=(Map)ServletActionContext.getContext().get("request");
		Map session=ActionContext.getContext().getSession();
		TUser user=(TUser)session.get("user");
		
		String s=panduan_shifou_jiaru(banjiId, user.getId());
		System.out.println(s);
		if(s.equals("yijingjiaru"))
		{
			request.put("msg1", "已经加入该班级，不能重复加入");
		}
		else