vue实现短信验证码登录功能（流程详解）

<template>
 <div class="text_group">
  <div class="input_group" :class="{'is-invalid': error}">
   <!-- 输入框 -->
   <input 
    :type="type"
    :placeholder="placeholder"
    :value="value"
    :name="name"
    @input="$emit('input',$event.target.value)"
   >
   <!-- 输入框后面的内容 -->
   <button v-if="btnTitle" @click="$emit('btnClick')" :disabled="disabled">{{btnTitle}}</button>
  </div>
  <!-- 验证提示 -->
  <div v-if="error" class="invalid-feedback">{{error}}</div>
 </div>
</template>
<script>
 export default {
  name:"inputGroup",
  props:{
   type: {
    type: String,
    default: "text"
   },
   placeholder:String,
   value:String,
   name:String,
   disabled:Boolean,
   btnTitle:String, //input框中的文字
   error:String //验证不正确提示
  }
 }
</script>

import InputGroup from '../components/InputGroup'引入封装的组件

data() {
 return {
  phone:"", //手机号
  verifyCode:"", //验证码
  btnTitle:"获取验证码",
  disabled:false, //是否可点击
  errors:{}, //验证提示信息
 }
 }

<template>
 <div class="login">
  <!-- 手机号 -->
  <InputGroup
   type="number"
   placeholder="手机号"
   v-model="phone" 
   :btnTitle="btnTitle"
   :disabled="disabled"
   :error="errors.phone"
   @btnClick="getVerifyCode"
  />
  <!-- 输入验证码 -->
  <InputGroup
   type="number"
   v-model="verifyCode"
   placeholder="验证码"
   :error="errors.code"
  />
  <!-- 登录按钮 -->
 　　　　　　　　
 <div class="login_btn">
   <button @click="handleLogin" :disabled="isClick">登录</button>
  </div>
 </div>
 </template> 

getVerifyCode(){

//获取验证码
if(this.validatePhone()) {
 this.validateBtn()
 //发送网络请求
 this.$axios.post('/api/posts/sms_send',{<br>　　　　　　　　//注册聚合数据找到短信api服务，申请会得到两个tpl_id和key值，然后填入相对应的就行，具体还是和你门后端进行沟通
  tpl_id: "",
    key: "",
  phone:this.phone
 }).then(res => {
  console.log(res)
 })
 }<br>},

validatePhone(){
 //判断输入的手机号是否合法
 if(!this.phone) {
 this.errors = {
 phone:"手机号码不能为空"
 }
 // return false
 } else if(!/^1[345678]\d{9}$/.test(this.phone)) {
 this.errors = {
 phone:"请输入正确是手机号"
 }
 // return false
 } else {
 this.errors ={}
 return true
 }
}, 

validateBtn(){
 //倒计时
 let time = 60;
 let timer = setInterval(() => {
 if(time == 0) {
 clearInterval(timer);
 this.disabled = false;
 this.btnTitle = "获取验证码";
 } else {
 this.btnTitle =time + '秒后重试';
 this.disabled = true;
 time--
 }
 },1000)
},

computed: {
 //手机号和验证码都不能为空
 isClick(){
  if(!this.phone || !this.verifyCode) {
  return true
  } else {
  return false
  }
     
 }
},

handleLogin() {
 //点击发送
 this.errors = {};
 this.$axios.post('/api/posts/sms_back',{
  phone:this.phone,
  code:this.verifyCode
 }).then(res => {
  console.log(res);
  localStorage.setItem('ele_login',true)
  this.$router.push('/')
 }).catch(error =>{
  //返回错误信息
  this.errors ={
  code:error.response.data.msg
 }
 })
}