vue/html input 读取 json数据

<template>
  <div class="p-content">
    <div>
      <input @change="handleGetFile" type="file" id="file" />
    div>
  div>
  
template>

<script lang="ts">
import { Options, Vue } from 'vue-class-component';
import HelloWorld from './components/HelloWorld.vue';
import {Room} from './types/room'


@Options({
  components: {
    HelloWorld,
  },
})
export default class App extends Vue {
  list: Room[] = [];

  handleGetFile(file: any) {
    const dom = document.getElementById('file') as HTMLInputElement;
    if (dom && dom.files) {
      console.log(dom.files);
      const file = dom.files[0];
      const types = file.name.split('.')[1];
      const fileType = ['json'].some(
        (item) => item === types
      );
      if (!fileType) {
        alert('格式错误，请上传excel类型文件');
        return;
      }

      this.handleReadFile(file)

    }
  }

  handleReadFile(file: File) {
    const reader = new FileReader();
    reader.readAsText(file);
    reader.onload = (thisFile)=>{
      if(thisFile.target && thisFile.target.result) {
        const result = JSON.parse(thisFile.target.result.toString())
        console.log(result)
      }
    }
  }


}
script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
style>

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