proginn-frontend/components/input/ver.vue

<template>
  <div class="input-ver">
    <el-input v-model="code" @change="$emit('change', code)" placeholder="请输入验证码"></el-input>
    <el-button :class="{grey: running}" type="text" @click="run">
      <span>{{text}}</span>
    </el-button>
  </div>
</template>

<script>
let time = 60;
let text = "获取验证码";
let interval;

export default {
  data() {
    return {
      // 验证码
      code: "",
      time: time + 1,
      running: false
    };
  },
  computed: {
    text() {
      if (this.time < 1 || this.time > time) {
        this.running = false;
        if (this.time < 1) {
          clearInterval(interval);
          this.time = time + 1;
          this.running = false;
        }
        return text;
      }
      return `重新获取(${this.time}s)`;
    }
  },
  mounted() {},
  methods: {
    run() {
      if (this.running) return;
      this.$emit("click", () => {
        this.running = true;
        this.time--;
        interval = setInterval(() => {
          this.time--;
        }, 1000);
      });
    }
  }
};
</script>

<style scoped>
.input-ver {
  position: relative;
}
#getCode {
  /* position: relative; */
  /* width: 100%; */
  /* z-index: 20; */
}
.el-button {
  position: absolute;
  top: 0;
  right: 10px;
}
.grey {
  color: #909399;
}
</style>