上传的文件内容显示如下上传后的内容显示如下server.js：const http = require("http");const app = http.createServer();const fs = require("fs");app.on("request", (req, res) => { console.log('服务器接收到请求'); if (req.method == "POST") { console.log('接收post方法') var data = []; req.on("data", (chunk) => { console.log('data chunk') data.push(chunk) }) req.on("end", () => { console.log('data end', data) var buffer = Buffer.concat(data); console.log('buffer', buffer) fs.writeFile("./tmpfile/a.txt", buffer, (err) => { console.log('成功吗', err) if (!err) { res.writeHead(200, { 'content-type': 'application/json; charset=utf-8' }) res.end("文件接收成功") } else { console.log(err) res.writeHead(403, { 'content-type': 'application/json; charset=utf-8' }) res.end("文件接收失败") } }) }) }})app.listen(3001, () => { console.log("ok");})前端代码：<template> <a-upload-dragger name="file" :multiple="true" acions="http://127.0.0.1:3001/" @change="handleChange" > <p class="ant-upload-drag-icon"> <a-icon type="inbox" /> </p> <p class="ant-upload-text">点击或拖曳文件到此区域上传</p> <p class="ant-upload-hint">支持单个或批量上传</p> </a-upload-dragger></template><script>import { reactive, toRefs, onBeforeMount, onMounted } from 'vue'import { message } from "ant-design-vue";export default { name: '', setup() { const handleChange = (info) => { const status = info.file.status; if (status !== 'uploading') { console.log(info.file, info.fileList); } if (status === 'done') { message.success(`${info.file.name} file upload suceess`) } else if (status === 'error') { message.error(`${info.file.name} file upload failed.`) } } return { handleChange } }};</script><style lang='less'></style>