<template>
  <div class="btn_sub">
    <button> 提交</button>
  </div>
</template>
<script>
export default{
  data(){
    return {
      msg:''
    }
  },
  methods:{
    addClass: function(index){
      this.current=index;   // 不能要引号
    }
  },
}
</script>
  
<style>
.btn_sub{
  width: 100%;
  padding: 0 1.5rem;
}
.btn_sub button{
  border-radius: 0.4rem;
  height: 4rem;
  line-height: 4rem;
  text-align: center;
  width: 100%;
  background-color: #ff5c5c;
  outline: none;
  border: 0;
  color: #fff;
  font-size: 1.6rem;
}
</style>
