problemservlet.java~4~

来自「宽带网收费系统的前台」· JAVA~4~ 代码 · 共 46 行

package netservice.waiter.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.sql.*;
import netservice.vo.*;
import netservice.DBconnect.*;
import netservice.waiter.BO.*;

public class ProblemServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GB2312";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        String userId=request.getParameter("userId");
        UserInfo user=new WaiterBO().getOlduser(userId);
        if(user==null){
            out.println("没有此用户");
        }else{
            request.setAttribute("user",user);
            RequestDispatcher dis=request.getRequestDispatcher("/waiter/index_error.jsp");
            dis.forward(request,response);
        }

    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}