zc_saas_pc/src/common/uploadFile.js

import request from '@/request'
// import { readImg, compressImg } from "./compress"
import {compressAccurately} from 'image-conversion'
export default {
    // 上传图片标识 0头像 1身份证 2题库 3指南指引图片 4广告图片 5身份证或学信网图片 6文件excel,word,zip等
    //file: 类似this.$refs.file.files[0]
    upload: function (file, int, data,compressImgStatus = true) {
        return new Promise(async (resolve, reject) => {
            if (typeof file != 'object') {
                resolve(file)
                return;
            }
            var datas = {
                imageStatus: int || 0,
                ...data
            }
            //图片压缩
            if (file.type.indexOf("image") !== -1 && compressImgStatus) {
                file = await compressAccurately(file, 30)
                // const img = await readImg(file)
                // file = await compressImg(img, file.type, 256, 256) 
            }
            request.getPolicy(datas).then(res => {
                var ossToken = res.data.resultContent
                // const filename = file.name;
                // const fileExtension = filename.split('.').pop().toLowerCase()
                let formData = new FormData()
                // formData.append('key', ossToken.dir + "." + fileExtension); //存储在oss的文件路径
                formData.append('key', ossToken.dir); //存储在oss的文件路径
                formData.append('OSSAccessKeyId', ossToken.accessid); //accessKeyId
                formData.append('policy', ossToken.policy); //policy
                formData.append('Signature', ossToken.signature); //签名
                formData.append('callback', ossToken.callback); //回调
                formData.append('success_action_status', 200); //成功后返回的操作码
                //如果是base64文件，那么直接把base64字符串转成blob对象进行上传就可以了
                formData.append("file", file);
                request.uploadFile(ossToken.host, formData).then(resp => {
                    if (resp.resultContent && Number(resp.resultContent.size) > 0) {
                        resolve(ossToken.dir)
                    } else {
                        reject("上传回调失败")
                    }
                }).catch(error => {
                    reject(error)
                })

            }).catch(err => {
                reject(err)
            })
        })

    },
}