SOURCE

const PDFJs = require('')

var Main = {
    data() {
        return {
            fileList: [],
            extractedText: ''
        }
    },
    methods: {
        onChange(file, fileList) {
            this.fileList = fileList
            // console.log(33,file)
        },
        handleRemove(file, fileList) {
            console.log(file, fileList);
        },
        handleOnSuccess(file) {
            console.log(file);
        },
        extractPdfText() {
            const len = this.fileList.length;
            if (!len) { return; }
            const reader = new FileReader();
            reader.onload = (e) => {
                const data = new Uint8Array(e.target.result);
                extractTextFromPDF(data);
            };
            reader.readAsArrayBuffer(file);
        },
        extractTextFromPDF() {
            
        }
    }
}
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

<div id="app">
	<template>
       <el-upload
  class="upload-demo"
  ref="upload"
  accept=".pdf"
  :on-change="onChange"
  :on-remove="handleRemove"
  :on-success="handleOnSuccess"
  :file-list="fileList"
  :auto-upload="false">
  <el-button slot="trigger" size="small" type="primary">选取文件</el-button> 
</el-upload>

<br>

 <el-button  size="small" type="primary" @click="extractPdfText">提取文本</el-button> 
<p>{{ extractedText }}</p>  
	</template>
</div>

@import url("//unpkg.com/element-ui@2.15.13/lib/theme-chalk/index.css");