src/servlet/kecheng_servlet.java

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package servlet;

import java.io.IOException;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import util.DB;

import model.TAdmin;
import model.Tkecheng;

public class kecheng_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("kechengAdd"))
		{
			kechengAdd(req, res);
		}
		if(type.endsWith("kechengMana"))
		{
			kechengMana(req, res);
		}
		if(type.endsWith("kechengDel"))
		{
			kechengDel(req, res);
		}
		if(type.endsWith("kechengAll"))
		{
			kechengAll(req, res);
		}
	}
	
	public void kechengAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String bianhao=req.getParameter("bianhao");
		String mingcheng=req.getParameter("mingcheng");
		String keshi=req.getParameter("keshi");
		String del="no";
		
		String sql="insert into t_kecheng (bianhao,mingcheng,keshi,del) values(?,?,?,?)";
		Object[] params={bianhao,mingcheng,keshi,del};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		
		req.setAttribute("message", "操作成功");
		req.setAttribute("path", "kecheng?type=kechengMana");
		
        String targetURL = "/common/success.jsp";