页面已加载文本框就获取焦点

<template>
  <div>
    <el-input v-model="input" @blur="shiquinput" id="input1" placeholder="请输入内容" class="input-form"></el-input>
    <el-input placeholder="请输入内容" class="input-form"></el-input>
    <el-input placeholder="请输入内容" class="input-form"></el-input>
  </div>
</template>

<script>
export default {
  data() {
    return {
      input: ""
    };
  },
  mounted() {
    document.getElementById("input1").focus(); //获取焦点
  },
  methods: {
    shiquinput() {
      console.log("chufale ");
      this.input = "";
      document.getElementById("input1").focus(); //失去焦点后又获取焦点
    }
  }
};
</script>
<style lang="scss" scoped>
.input-form {
  width: 300px;
  margin-top: 20px;
  margin-left: 20px;
}