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Using the servlet to implement the user registration function

Source: Internet
Author: User
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<%@ Pagelanguage= "Java"ContentType= "text/html; charset=utf-8"pageencoding= "UTF-8"%><!DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd "><HTML><Head><Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"><title>Insert Title here</title></Head><Body><formAction= "Zhuce"Method= "POST">Account Number:<inputtype= "text"name= "username">Password:<inputtype= "Password"name= "Password">Repeat Password:<inputtype= "Password"name= "Repassword"><BR><inputtype= "Submit"value= "Register"></form></Body></HTML>
 PackageCom.hanqi.web;Importjava.io.IOException;Importjavax.servlet.ServletException;ImportJavax.servlet.http.HttpServlet;Importjavax.servlet.http.HttpServletRequest;ImportJavax.servlet.http.HttpServletResponse; Public classZhuceextendsHttpServlet {Private Static Final LongSerialversionuid = 1L;  Publiczhuce () {Super(); }    protected voidDoget (HttpServletRequest request, httpservletresponse response)throwsservletexception, IOException {String zh= Request.getparameter ("username"); String mm= Request.getparameter ("Password"); String Remm= Request.getparameter ("Repassword"); Response.setcontenttype ("text/html;charset=gb2312"); if(zh!=NULL&&mm!=NULL&&remm!=NULL)        {            if(!zh.equals (""))            {               if(Mm.equals (Remm)) {response.getwriter (). Write ("Registration is successful!" "); }              Else{response.getwriter (). Write ("Two times password input is different, please check and re-enter!" "); Response.setheader ("Refresh", "3; Url=zhuce.jsp "); }            }            Else{response.getwriter (). Write ("User name cannot be an empty string"); Response.setheader ("Refresh", "3; Url=zhuce.jsp "); }         }            }    protected voidDoPost (HttpServletRequest request, httpservletresponse response)throwsservletexception, IOException {doget (request, response); }}

Using the servlet to implement the user registration function

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