<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<script src="http://zeptojs.com/zepto.min.js"></script>
<title>手机端六位密码输入</title>
<style>
*{margin: 0;padding: 0;}
html,body{ 100%;height: 100%}
.main{ 100%;height: 100%;background: rgba(0, 0, 0 ,0.5);position: absolute;top:0}
.pwd-box{
324px;
height: 70px;
position: relative;
border: 1px solid #9f9fa0;
border-radius: 3px;
overflow:hidden;
margin:0 auto;
top:30%;
}
.pwd-box input[type="tel"]{
324px;
height: 70px;
color: transparent;
position: absolute;
top: 0;
left: 0;
border: none;
font-size: 18px;
opacity: 0;
z-index: 1;
letter-spacing: 35px;
}
.fake-box input{
50px;
height: 50px;
border: none;
text-align: center;
font-size: 30px;
}
.fake-box input:nth-last-child(1){
border:none;
}
p{text-align: center;font-size: 20px;color: white}
</style>
</head>
<body>
<div class="main">
<div class="pwd-box">
<p>输入邀请码</p>
<input type="tel" maxlength="6" class="pwd-input" id="pwd-input">
<div class="fake-box">
<input type="text" readonly="">
<input type="text" readonly="">
<input type="text" readonly="">
<input type="text" readonly="">
<input type="text" readonly="">
<input type="text" readonly="">
</div>
</div>
</div>
<script>
var $input = $(".fake-box input");
var boxInput=$("#pwd-input");
boxInput.focus();
boxInput.on("input", function() {
var pwd = $(this).val().trim();
for (var i = 0, len = pwd.length; i < len; i++) {
$input.eq("" + i + "").val(pwd[i]);
}
$input.each(function() {
var index = $(this).index();
if (index >= len) {
$(this).val("");
}
});
if (len == 6) {
//执行其他操作
}
});
</script>
</body>
</html>