src/com/servlet/xuankeServlet.java

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package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.bean.xuanke;
import com.dao.xuankeDao;


import java.util.List;
import java.sql.ResultSet;

public class xuankeServlet extends HttpServlet  {
	public void service(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		request.setCharacterEncoding("gb2312");
		System.out.println("method"+request.getParameter("method"));
		String method=(String)request.getParameter("method");
		if(method.equals("insert")){//选课添加
			insertM(request, response);
		}else if(method.equals("list")){//选课列表
			ListM(request, response);
		}else if(method.equals("delete")){//选课删除
			deleteM(request, response);
		}else if(method.equals("modifyindex")){//选课修改页面
			modifyIndex(request, response);
		}
		else if(method.equals("modify")){//选课修改
			modifyM(request, response);
		}else if(method.equals("detail")){//选课详细信息
			detailM(request, response);
		}else if(method.equals("plist")){//选课列表信息
			PListM(request, response);
		}
	}
	private void insertM(HttpServletRequest request, HttpServletResponse response){//选课添加
		xuankeDao dao=new xuankeDao();
		xuanke xuanke=new xuanke();
		xuanke.setXkid((String)request.getParameter("keyid"));
xuanke.setKc((String)request.getParameter("kc"));
xuanke.setXs((String)request.getParameter("xs"));
xuanke.setSj((String)request.getParameter("sj"));
xuanke.setZt((String)request.getParameter("zt"));

	response.setCharacterEncoding("gb2312");
		try {
			dao.insert(xuanke);
			request.setAttribute("flag", "操作成功"); 
			
			
			
			request.getRequestDispatcher("xuanke/xuankeadd.jsp").forward(request, response);
		} catch (Exception e) {
			e.printStackTrace();
		}