vue 本地加载txt 并读取

<template>
  <div>
    <el-button @click="txtbtn">插入文本</el-button>
    <input type="file" @change="loadTextFromFile" id="txt" style="display:none" />
    <div>{{gg}}</div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      gg: "111111",
    };
  },
  methods: {
    // txt文本
    txtbtn() {
      document.getElementById("txt").click();
    },
    loadTextFromFile(e) {
      const file = e.target.files[0];
      let name = file.name.split(".").splice(-1).toString();
      if (name !== "txt") {
        this.$message.success("文件类型错误,请重新选择文件");
        return;
      }
      const reader = new FileReader();
      if (typeof FileReader === "undefined") {
        alert("您的浏览器不支持FileReader接口");
      }
      reader.onload = (e) => this.$emit("load", this.dealNum(e.target.result));
      reader.readAsText(file, "utf-8"); 
    },
    dealNum(item) {
      this.gg = item;
      console.log(item);
    },
  },
};
</script>

<style>
</style>