applyservlet.java

是一个用VB编写得银行ATM机交易的程序

/*
 * applyservlet.java
 *
 * Created on 2008年2月22日, 上午12:15
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package BankCheck.bean;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.sql.*;
/**
 *
 * @author Administrator
 */
public class ApplyServlet extends HttpServlet
{
private static final String content_type = "text/html; charset=GB2312";
public void init() throws ServletException
    {
    }
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
        {
        //Strfun str=new Strfun();
        UserAction users=new UserAction();
        response.setContentType("text/html;charset=gb2312");
        PrintWriter out=response.getWriter();
        String UserName = request.getParameter("UserName");       
      String LetterNum=request.getParameter("LetterNum");
      String LetterKey=request.getParameter("LetterKey");
       String Skey=request.getParameter("Skey");
        if(users.checkname(UserName)==false)
        {
          out.println("<Script language=JavaScript>alert('用户名不存在!');JavaScript:history.back();</Script>"); 
        }
          else if(users.checkapply(UserName,LetterNum,LetterKey)==false)
        {
        out.println("<Script language=JavaScript>alert('密码信封序列号及其密码错误!');JavaScript:history.back();</Script>"); 
        }
        else
        {users.apply(UserName,Skey);
       RequestDispatcher rd = request.getRequestDispatcher("apply_result.jsp");
       rd.forward(request, response);}
     
}
 public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{         
           doGet(request,response);
        }
 public void destroy()
    {
    }
}