Node——Egg 实现上传文件接口

1. 配置 config > config.default.js

官方文档：https://www.eggjs.org/zh-CN/basics/controller#%E8%8E%B7%E5%8F%96%E4%B8%8A%E4%BC%A0%E7%9A%84%E6%96%87%E4%BB%B6

config.multipart = {
    
    mode: 'file'
}

2. controller文件创建fileController.js

const Controller = require('egg').Controller;
class FileController extends Controller{
    
	async upload() {
    
    	const {
     ctx } = this;
    	let res = await ctx.service.fileService.upload()
    	ctx.body = res
  	}
}
module.exports = FileController

3. service文件创建fileService.js

const Service = require('egg').Service;
class FileService extends Service{
    
	async upload(){
    
    	const {
     ctx } = this;
    	const files = ctx.request.files; //获取前端上传的files对象组
    	const filePath = files[0].filepath.replace(/\\\\/g, "\/") //获取文件临时存储地址
    	const fileinfo = fs.readFileSync(filePath); //读取文件
    	const target = "E:\\development\\myProject\\pc-dev-tool\\upload\\fileName.png"; //存储地址
    	fs.writeFileSync(target, fileinfo) //写入文件
    	fs.unlinkSync(filePath) //删除临时存储文件
    	return "ok"
  	}
}
module.exports = FileService