src/servlet/leixing_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 model.TLeiXing;

import db.DB;

public class leixing_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		
		if(type.endsWith("lxAdd"))
		{
			lxAdd(req, res);
		}
		if(type.endsWith("lxMana"))
		{
			lxMana(req, res);
		}
		if(type.endsWith("lxDel"))
		{
			lxDel(req, res);
		}
	}
	
	
	public void lxAdd(HttpServletRequest req,HttpServletResponse res)
	{
		String miaoshu=req.getParameter("miaoshu");
		
		String del="no";
		
		String sql="insert into t_leixing values(?,?)";
		Object[] params={miaoshu,del};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.closed();
		
		req.setAttribute("message", "操作成功");
		req.setAttribute("path", "leixing?type=lxMana");
		
        String targetURL = "/common/success.jsp";
		dispatch(targetURL, req, res);
        
	}