仿美团验证码
2018-07-12 本文已影响0人
甘草子XS
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no,viewport-fit=cover">
<title>cursor-vcode</title>
<style>
.box {padding-left: 20px;padding-right: 20px;padding-top: 60px;max-width: 320px;margin-left: auto;margin-right: auto;}
.content {margin-top: 20px;display: -webkit-box;display: -ms-flexbox;display: flex;-webkit-box-pack: justify;-ms-flex-pack: justify;justify-content: space-between;
-webkit-box-align: center;-ms-flex-align: center;align-items: center;position: relative;width: 280px;margin-left: auto;margin-right: auto;}
.content input {position: absolute;top: -100%;left: -666666px;opacity: 0;}
.content .line {position: relative;width: 40px;height: 32px;line-height: 32px;text-align: center;font-size: 28px;}
.content .line::after {display: block;position: absolute;content: '';left: 0;width: 100%;bottom: 0;height: 1px;background-color: #aaaaaa;}
.content .line.animated::before {display: block;position: absolute;left: 50%;top: 20%;width: 1px;height: 60%;content: '';background-color: #333333;}
</style>
</head>
<body>
<div id="app" class="box">
<h2 >验证码:</h2>
<div class="content">
<input ref="vcode" id="vcode" type="tel" maxlength="6" v-model="code" @focus="focused = true" @blur="focused = false" placeholder="ahsdfhadfah">
<label for="vcode" class="line" v-for="item,index in codeLength" :class="{'animated': focused && cursorIndex === index}" v-text="codeArr[index]"> </label>
</div>
</div>
<script src="https://cdn.bootcss.com/vue/2.5.16/vue.min.js"></script>
<script>
var app = new Vue({
el: '#app',
data: {
code: '',
codeLength: 6,
focused: false
},
computed: {
codeArr() {
return this.code.split('');
},
cursorIndex() {
return this.code.length;
}
},
watch: {
code(newVal) {
this.code = newVal.replace(/[^\d]/g, '');
if(newVal.length > 5) {
this.$refs.vcode.blur();
}
}
},
})
</script>
</body>
</html>
这个大概是三四个月前的了，在别人代码上稍作修改的 ，但由于时间已久，找不到原文章了，在此就不附链接了。
