vue验证码组件应用实例

<template>   <div class="join_formitem">     <label class="enquiry">验证码<span>:</span></label>     <div class="captcha">       <input type="text" placeholder="请输入验证码" class="verification_input" v-model="picVerification" />       <input type="button" @click="createdCode" class="verification" v-model="checkCode" />     </div>   </div> </template> <script>export default { data(){  return{   code:'',   checkCode:'',             picVerification:''     //..验证码图片  } }, created(){  this.createdCode() }, methods: {  // 图片验证码  createdCode(){   // 先清空验证码输入   this.code = ""   this.checkCode = ""   this.picVerification = ""   // 验证码长度   const codeLength = 4   // 随机数   const random = new Array(0,1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z')   for(let i = 0;i < codeLength;i++){    // 取得随机数的索引(0~35)    let index = Math.floor(Math.random() * 36)    // 根据索引取得随机数加到code上    this.code += random[index]   }   // 把code值赋给验证码   this.checkCode = this.code  } }}</script> <style>.verification_input{ font-family: 'Exo 2',sans-serif; border: 1px solid #fff; color: black; outline: none; border-radius: 12px; letter-spacing: 1px; font-size: 17px; font-weight: normal; background-color: rgba(82,56,76,.15); padding: 5px 0 5px 10px; margin-left: 30px; height: 30px; margin-top: 25px; border: 1px solid #e6e6e6;}.verification{ border-radius: 12px; width: 100px; letter-spacing: 5px; margin-left: 50px; height: 40px; transform: translate(-15px,0);}.captcha{ height:50px; text-align: justify;}</style>