deleteall.java

来自「网上购书系统 采用jsp+servlet+sql2000」· Java 代码 · 共 47 行

package servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

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


import base.DaoBase;
import bean.User;




public class DeleteAll extends HttpServlet {

	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		DaoBase db=new DaoBase();
		Connection conn=db.getConn();
		String sql="delete [order]";
		try {
			
			PreparedStatement ps=conn.prepareStatement(sql);
			ps.executeUpdate();
			ps.close();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		db.closeConn();
		request.getRequestDispatcher("order").forward(request, response);
	}

	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		super.doGet(request, response);
	}

}