标签：login java 输入密码 字母 密码 func head 成功 color
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>login</title>
<link rel="stylesheet" type="text/css" href="../static/css/10.31.css">
<script src="../static/js/10.31.js"></script>
</head>
<body>
<div class="hahaha"><h2>欢迎你</h2></div>
<div class="box">
<h1>登录</h1>
<div class="input-box">
账号：<input id="uname" type="text" placeholder="请输入用户名">
</div>
<div class="input-box">
密码：<input id="upass" type="password" placeholder="请输入密码">
</div>
<div id="error-box"><br></div>
<div class="input-box">
<button onclick="fnLogin()">登录</button>
<a href="">注册/Resister</a>
</div>
</div>
</body>
</html>
.box{
width: 400px;
height: 250px;
padding-left:100px;
padding-top:40px;
background-color:yellow;
}
div.input-box{
text-align: center;
height: 33px;
margin: 5px;
}
#uname{
width: 180px;
height: 26px;
}
#upass{
width: 180px;
height: 26px;
}
div.input-box button{
border: 0;
font-size: 16px;
width: 118px;
height: 36px;
margin-right: 50px;
background-color: darkgray;
}
div.input-box a{
font-size: 16px;
width: 118px;
height: 36px;
margin-right: 50px;
}
#error-box{
font-size: 12px;
margin: 15px;
}
function fnLogin() {
var oUname = document.getElementById("uname");
var oError = document.getElementById("error-box");
var oUpass = document.getElementById("upass");
var isoError = true;
oError.innerHTML = "<br>";
if (oUname.value.length<6||oUname.value.length>20){
oError.innerHTML="用户名要6-20位";
isoError = false;
return;
}
else if(oUname.value.charCodeAt(0)>=48&&(oUname.value.charCodeAt(0)<=57)){
oError.innerHTML = "用户名首字母必须是字母";
return;
} else for(var i=0;i<oUname.value.length;i++){
if((oUname.value.charCodeAt(i)<48||oUname.value.charCodeAt(i)>57)&&(oUname.value.charCodeAt(i)<97||oUname.value.charCodeAt(i)>122)){
oError.innerHTML = "用户名必须为字母或数字";
return;
}
}
if (oUpass.value.length<6||oUpass.value.length>20){
oError.innerHTML="密码至少6-20位";
isoError = false;
return;
}
}
____________________________________________________________________________________________________________________________________________________________________________________________________________
注册
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>注册</title>
<link rel="stylesheet" type="text/css" href="../static/css/注册.css">
<script src="../static/js/注册.js"></script>
</head>
<body>
<div class="box">
<h1>注册</h1>
<div class="input-box">
账号：<input id="uname" type="text" placeholder="请输入用户名">
</div>
<div class="input-box">
密码：<input id="upass" type="password" placeholder="请输入密码">
</div>
<div class="input-box">
密码：<input id="upass" type="password" placeholder="请再次输入密码">
</div>
<div id="error-box"><br></div>
<div class="input-box">
<button onclick="fnLogin()">确认注册</button>
</div>
</div>
</body>
</html>
.box{
width: 400px;
height: 300px;
padding-left:100px;
padding-top:40px;
background-color:yellow;
}
div.input-box{
text-align: center;
height: 33px;
margin: 5px;
}
#uname{
width: 180px;
height: 26px;
}
#upass{
width: 180px;
height: 26px;
}
div.input-box button{
border: 0;
font-size: 16px;
width: 118px;
height: 36px;
margin-right: 50px;
background-color: darkgray;
}
div.input-box a{
font-size: 16px;
width: 118px;
height: 36px;
margin-right: 50px;
}
#error-box{
font-size: 12px;
margin: 15px;
}
function fnLogin() {
var oUname = document.getElementById("uname");
var oError = document.getElementById("error-box");
var oUpass = document.getElementById("upass");
var isoError = true;
oError.innerHTML = "<br>";
if (oUname.value.length<6||oUname.value.length>20){
oError.innerHTML="用户名要6-20位";
isoError = false;
return;
}
else if(oUname.value.charCodeAt(0)>=48&&(oUname.value.charCodeAt(0)<=57)){
oError.innerHTML = "用户名首字母必须是字母";
return;
} else for(var i=0;i<oUname.value.length;i++){
if((oUname.value.charCodeAt(i)<48||oUname.value.charCodeAt(i)>57)&&(oUname.value.charCodeAt(i)<97||oUname.value.charCodeAt(i)>122)){
oError.innerHTML = "用户名必须为字母或数字";
return;
}
}
if (oUpass.value.length<6||oUpass.value.length>20){
oError.innerHTML="密码至少6-20位";
isoError = false;
return;
}
window.alert("注册成功")
}
标签：login java 输入密码 字母 密码 func head 成功 color
原文地址：http://www.cnblogs.com/Sun584125503/p/7760063.html
