引用js
<script src="http://zeptojs.com/zepto.min.js"></script>
css
.pwd-box{
width:310px;
padding-left: 1px;
position: relative;
border: 1px solid #9f9fa0;
border-radius: 3px;
over-flow:hidden
}
.pwd-box input[type="tel"]{
width: 99%;
height: 45px;
color: transparent;
position: absolute;
top: 0;
left: 0;
border: none;
font-size: 18px;
opacity: 0;
z-index: 1;
letter-spacing: 35px;
}
.fake-box input{
width: 44px;
height: 48px;
border: none;
border-right: 1px solid #e5e5e5;
text-align: center;
font-size: 30px;
}
.fake-box input:nth-last-child(1){
border:none;
}
html
<div class="pwd-box">
<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>
js
var $input = $(".fake-box input");
$("#pwd-input").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
}
});