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login.html
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login.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>register</title>
<script src="js/jquery-2.2.3.min.js"></script>
<script src="js/jquery-ui.min.js"></script>
<link type="text/css" href="css/jquery-ui.min.css" rel="stylesheet">
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/bootstrap.min.js"></script>
<link type="text/css" href="css/login.css" rel="stylesheet">
<script src="js/my.js"></script>
<SCRIPT language = "JavaScript">
function checkUserName() { //验证用户名
var fname = document.myform.username.value;
var reg = /^[0-9a-zA-Z]/;
if (fname.length != 0) {
for (i = 0; i < fname.length; i++) {
if (!reg.test(fname)) {
alert("只能输入字母或数字");
return false;
}
}
if (fname.length < 4 || fname.length > 16) {
alert("只能输入4-16个字符");
return false;
}
}
else {
alert("请输入用户名");
document.myform.username.focus();
return false;
}
return true;
}
function passCheck() { //验证密码
var userpass = document.myform.password.value;
if (userpass == "") {
alert("未输入密码 \n" + "请输入密码");
document.myform.password.focus();
return false;
}
if (userpass.length < 6 || userpass.length > 12) {
alert("密码必须在 6-12 个字符。\n");
return false;
}
return true;
}
function passCheck2() {
var p1 = document.myform.password.value;
var p2 = document.myform.password2.value;
if (p1 != p2) {
alert("确认密码与密码输入不一致");
return false;
} else {
return true;
}
}
function checkEmail() {
var Email = document.getElementById("email").value;
var e = Email.indexOf("@" && ".");
if (Email.length != 0) {
if (e > 0) {
if (Email.charAt(0) == "@" && ".") {
alert("符号@和符号.不能再邮件地址第一位");
return false;
}
else {
return true;
}
}
else {
alert("电子邮件格式不正确\n" + "必须包含@符号和.符号!");
return false;
}
}
else {
alert("请输入电子邮件!");
return false;
}
}
function checkbirthday() { //验证用户名
var year = document.myform.birthday.value;
if (year < 1949 || year > 2007) {
alert("年份范围从1949-2007年");
return false;
}
return true;
}
function validateform() {
if (checkUserName() && passCheck() && passCheck2() && checkEmail() && checkbirthday())
return true;
else
return false;
}
function clearText() {
document.myform.user.value = "";
document.myform.password.value = "";
}
//显示隐藏对应的switchPwd()方法:
$(function () {
// 通过jqurey修改
$("#passwordeye").click(function () {
let type = $("#password").attr('type')
if (type === "password") {
$("#password").attr("type", "text");
} else {
$("#password").attr("type", "password");
}
});
});
</SCRIPT>
</head>
<body>
<img src="img/login_bg.jpg" class="bg">
<div id="head">
<img src="img/login_head.png" width=100% height=auto />
</div>
<div id="center">
<form name="myform" onSubmit="return validateform( )" enctype="multipart/form-data" action="cgi-bin/login.cgi" method="post" >
<div class="input-group">
<h3>用户名:</h3> <input class="form-control" id="username" name="username" type="text" style="height:40px" value="" placeholder="只能输入字母或数字,4-16个字符"/>
</div>
<div class="input-group">
<h3>密 码:</h3> <input class="form-control" id="password" name="password" type="password" style="height:40px" value="" placeholder="密码长度6-12位"/>
<span class="input-group-btn">
<INPUT class="btn btn-default" id="passwordeye" type="button" value="show/hide"">
</span>
</div>
<div id="btn">
<INPUT class="btn btn-primary" name="loginButton" type="submit" id="Button" value="登录" onclick="checkUserName()">
<a href="register.html"><INPUT class="btn btn-primary" name="registerButton" id="Button" type="button" value="注册"></a>
</div>
</form>
</div>
<div id="bottom">
<div class="footer" style="color:white;">
Copyright © 2013-2019 All Rights Reserved. 备案号:
</div>
</div>
</body>
</html>