JQuery Ajax MD5 Implement user Registration instant authentication function _jquery

The actual project compares commonly used (JQUERY+AJAX+MD5), belongs to the instant verification, the bright spot is verifies the user to exist that item, the concrete content is as follows

Specific examples

registe.jsp

<span style= "Font-size:large;" ><%@ page pageencoding= "UTF-8"%> <%@ taglib uri= "Http://java.sun.com/jsp/jstl/core" prefix= "C"%> <% @ taglib uri= "http://java.sun.com/jsp/jstl/fmt" prefix= "FMT"%> <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  
 
 

Accountservlet.java

<span style= "Font-size:large;" >package com.validator.test; 
 
Import java.io.IOException; 
Import Java.io.PrintWriter; 
 
Import javax.servlet.ServletException; 
Import Javax.servlet.http.HttpServlet; 
Import Javax.servlet.http.HttpServletRequest; 
Import Javax.servlet.http.HttpServletResponse; 
 
public class Accountservlet extends HttpServlet {public 
 
 
 void doget (HttpServletRequest request, HttpServletResponse Response) 
 throws Servletexception, IOException { 
 this.dopost (request, response); 
 public void DoPost (HttpServletRequest request, httpservletresponse response) 
 throws Servletexception, IOException { 
 String loginname=request.getparameter ("LoginName"); 
 PrintWriter out = Response.getwriter (); 
 if (Loginname.equals ("abc123")) { 
 out.println ("1"); 
 } else{ 
 out.println ("0"); 
 } 
 Out.flush (); 
 
 } 
 

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