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129 lines
3.3 KiB
129 lines
3.3 KiB
/**
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* 阿里云OSS工具类
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*/
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import OSSConfig from "@/utils/oss-upload/oss/OSSConfig.js"
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import ossConfig from '@/config.js'
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/**
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* 生成一个随机的Key
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*/
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function storeKey() {
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let s = [];
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let hexDigits = "0123456789abcdef";
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for (let i = 0; i < 36; i++) {
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s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
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}
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s[14] = "4";
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s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
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s[8] = s[13] = s[18] = s[23] = "-";
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return s.join("");
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}
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/**
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* 根据当天日期在OSS端生成文件夹
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*/
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function storeFolder() {
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const date = new Date();
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const formatNumber = n => {
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n = n.toString()
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return n[1] ? n : '0' + n
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}
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return [date.getFullYear(), date.getMonth() + 1, date.getDate()].map(formatNumber).join('-')
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}
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/**
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* 阿里云OSS上传文件, 所有具体功能的工具函数均基于此
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* 注意, resolve时一定为上传成功, 返回OSS上的Key
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* @param filePath 待上传文件的URI
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* @param key 存储桶中的目标文件名
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* @param folder 存储桶中的目标文件夹
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*/
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export function ossUpload(filePath, key = storeKey(), folder = storeFolder()) {
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return new Promise((resolve, reject) => {
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if (folder && folder?.length > 0) {
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if (folder[0] == "/") folder = folder.slice(1, folder.length)
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if (folder[folder.length - 1] != "/") folder += "/"
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key = folder + key
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}
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const filePrefixArr = filePath.split(".")
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key += `.${filePrefixArr[filePrefixArr.length - 1]}`
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let config = {
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url: OSSConfig.host,
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name: 'file',
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filePath,
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formData: {
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key,
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policy: OSSConfig.policyBase64,
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OSSAccessKeyId: OSSConfig.accessid,
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success_action_status: '200',
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signature: OSSConfig.signature,
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},
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success(res) {
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if (res.errMsg.includes("uploadFile:ok")) {
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resolve(ossConfig.aliOss.url + key)
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} else {
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reject(res)
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}
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},
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fail(err) {
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reject(err)
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}
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}
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uni.uploadFile(config)
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})
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}
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/**
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* 阿里云OSS上传图片
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* @param {compressed, key, folder, success, fail} compressed: 是否压缩 key: 存储桶中的目标文件名 folder: 存储桶中的目标文件夹
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*/
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export function ossUploadImage({
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key,
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folder,
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compressed = true, //是否压缩
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success, //成功时的回调
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fail //失败时的回调
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}) {
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const sizeType = [compressed ? 'compressed' : 'original']
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uni.chooseImage({
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count: 1,
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sizeType,
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success(res) {
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ossUpload(res.tempFilePaths[0], key, folder).then(success).catch(fail)
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},
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fail
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})
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}
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/**
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* 阿里云OSS上传视频
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* @param { key, folder, sourceType, compressed, maxDuration, camera, success, fail}
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* key: 存储桶中的目标文件名 folder: 存储桶中的目标文件夹 其它参数同uni.chooseVideo(mpWeixin)
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*/
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export function ossUploadVideo({
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key,
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folder,
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sourceType = ['album', 'camera'], //album 从相册选视频, camera 使用相机拍摄
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compressed = true, //是否压缩所选的视频源文件
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maxDuration = 60, //拍摄视频最长拍摄时间, 单位秒。最长支持 60 秒
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camera = 'back', //调用相机方向, 'front'、'back', 默认'back'
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success, //成功时的回调
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fail //失败时的回调
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}) {
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uni.chooseVideo({
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sourceType,
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compressed,
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maxDuration,
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camera,
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success(res) {
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ossUpload(res.tempFilePath, key, folder).then(success).catch(fail)
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},
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fail
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})
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}
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const OSS = {
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ossUploadVideo,
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ossUploadImage,
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ossUpload
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}
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export default OSS;
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