注册时实现确认密码
<%@ page language="java" contentType="text/html;charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>注册</title> <style type="text/css"> h1{ font-family: "Alex Brush"; font-size:55px; color:lightpink; } body{ background-image:url("image/blue.JPG"); background-size:cover; } input{ background-color: antiquewhite; border-radius: 10px; border-color: antiquewhite; } </style> </head> <body> <form action="RegisterServlet" method="post"> <div align="center"> <br><br><br><br><br> <h1>Register</h1> 用户名: <input type="text" size="20px" value="" name="username"/><br><br> 密 码: <input type="password" id="pw" size="20px" value="" name="password"/><br><br> 确认密码:<input name="repassword" id="repw" type="password" class="kuang_txt possword" size="20px" onkeyup="checkpassword()"><br> <span id="tishi"></span></input> <br> <input type="submit" size="5px" value="注册" name="submit"> </div> </form> <script type="text/javascript"> function checkpassword() { var password = document.getElementById("pw").value; var repassword = document.getElementById("repw").value; if(password == repassword) { document.getElementById("tishi").innerHTML="<br><font color='green'>两次密码输入一致</font>"; document.getElementById("submit").disabled = false; }else{ document.getElementById("tishi").innerHTML="<br><font color='red'>两次输入密码不一致!</font>"; document.getElementById("submit").disabled = true; } } </script> </body> </html>