updatepwd.java

利用java编写的一个学生宿舍管理系统

/**
 * UpdatePWD.java
 * author:liuhaijing
 * @version 1.0
 */
 
 package mydesign;//包名

import java.io.*;
import mydesign.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class UpdatePWD extends HttpServlet
{
  
    //Initialize global variables
    public void init() throws ServletException 
    {
    }
    
    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException 
    {
    	HttpSession session=request.getSession(true);
        request.setCharacterEncoding("gb2312");
        response.setContentType("text/html; charset=gb2312");
        PrintWriter out = response.getWriter();
        
        String username=(String)session.getAttribute("admin");
        Admin admin=new Admin();
        AdminControl admincontrol=new AdminControl();
        
        String password=request.getParameter("password");//原密码
        String password1=request.getParameter("password1");//新密码
        String password2=request.getParameter("password2");//确认新密码
      
	//处理数据
        try
        {
        	admin.setUserName(username);
        	admin.setPassword(password);
        	if(admincontrol.isAdmin(admin))  //检查原密码是否正确
        	{
        		if(password1.equals(password2)) //检查两次输入密码是否一致
        		{
        			admin.setPassword(password1);
        			admincontrol.UpdateAdmin(admin);
        			admincontrol.close();
        			out.print("<script>alert('成功修改！');window.location.href='updatepwd.jsp'</script>");
        		}else out.print("<script>alert('两次输入不一致！');history.back()</script>");
        	}else out.print("<script>alert('密码输入不正确！');history.back()</script>");
        }
        catch(Exception e)
        {
            System.out.print("UpdateAdminServlet error:"+e.getMessage());            
        }
        finally
        {  
        }
    }
    
    //Clean up resources
    public void destroy()
    {
    }
}