egg-oss (egg文件上传)

官网地址https://www.npmjs.com/package/egg-oss

安装

npm i egg-oss --save

配置

// config/plugin.js
exports.oss = {
  enable: true,
  package: 'egg-oss',
};

// config/config.default.js
config.multipart = {
    mode: 'file'
};

// oss存储
config.oss = {  // 这里需要的东西去自己的服务器里看，我用的阿里云
    client: {
        accessKeyId: 'your access key',
        accessKeySecret: 'your access secret',
        bucket: 'your bucket name',
        endpoint: 'oss-cn-hongkong.aliyun.com',
        timeout: '60s',
    },
}

使用

// app/controller/common.js
'use strict';

const Controller = require('egg').Controller;
const fs = require('mz/fs');
const path = require('path')
class CommonController extends Controller {
    // 上传
    async upload() {
        const ctx = this.ctx;

        if (!ctx.request.files) {
            return ctx.apiFail('请先选择上传文件');
        }

        const file = ctx.request.files[0];
        // const name = 'egg-oss-demo/' + path.basename(file.filename);
        const name = 'egg-oss-demo/' + ctx.genID(10) + path.extname(file.filename);
        let result;
        try {
            result = await ctx.oss.put(name, file.filepath);
        } catch (err) {
            console.log(err);
        } finally {
            await fs.unlink(file.filepath);
        }

        if (result) {
            return ctx.apiSuccess(result.url);
        }

        ctx.apiFail('上传失败');
    }
}

module.exports = CommonController;

// app/extend/context.js
// 生成唯一id
genID(length) {
    return Number(Math.random().toString().substr(3, length) + Date.now()).toString(36);
}