75 lines
2.9 KiB
TypeScript
75 lines
2.9 KiB
TypeScript
import Crypto from 'crypto-js'
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import {Base64} from 'js-base64'
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import {i18n} from "@/locale";
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const env = {
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uploadImageUrl: 'https://wendy123.oss-ap-southeast-1.aliyuncs.com/', // 默认存在根目录，可根据需求改
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accessKeySecret: 'TSZOD1jULKPFsNp2zKhAopLe3c3AiH', // accessKeySecret 去你的阿里云上控制台上找
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ossAccessKeyId: 'LTAI5tQq1bSBFCfsbvwX6DqQ', // AccessKeyId 去你的阿里云上控制台上找
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timeout: 87600, // 这个是上传文件时Policy的失效时间
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}
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const getPolicyBase64 = function (): string {
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const date = new Date()
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date.setHours(date.getHours() + env.timeout)
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const expirationTime = date.toISOString()
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const policyText = {
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expiration: expirationTime, // 设置该Policy的失效时间，超过这个失效时间之后，就没有办法通过这个policy上传文件了
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conditions: [
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['content-length-range', 0, 2000 * 1024 * 1024], // 设置上传文件的大小限制,2G
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],
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}
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return Base64.encode(JSON.stringify(policyText))
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}
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const getSignature = function (policyBase64: string): string {
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const bytes = Crypto.HmacSHA1(policyBase64, env.accessKeySecret)
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return Crypto.enc.Base64.stringify(bytes)
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}
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// 上传图片到阿里云oss
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const upload = function (filePath: string, suffix = '.png', dir = 'app/image/') {
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return new Promise((resolve, reject) => {
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if (!filePath) {
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return uni.showToast({icon: "none", title: i18n.global.t('common.prompt.picture-wrong-please-try-again')})
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}
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// 图片名字 可以自行定义，这里是采用当前的时间戳 + 150内的随机数来给图片命名的
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const fileKey = dir + new Date().getTime() + Math.floor(Math.random() * 150) + suffix
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const aliyunServerURL = env.uploadImageUrl // OSS地址，需要https
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const policyBase64 = getPolicyBase64()
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const signature = getSignature(policyBase64) // 获取签名
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uni.uploadFile({
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url: aliyunServerURL, // 开发者服务器 url
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filePath: filePath, // 要上传文件资源的路径
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name: 'file', // 必须填file
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formData: {
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key: fileKey,
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policy: policyBase64,
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OSSAccessKeyId: env.ossAccessKeyId,
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signature: signature,
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success_action_status: '200',
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},
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success: function (res) {
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console.log(res)
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if (res.statusCode !== 200) {
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reject(new Error('upload error:' + JSON.stringify(res)))
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return
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}
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resolve(aliyunServerURL + fileKey)
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},
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fail: function (err) {
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console.log(err)
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uni.hideLoading()
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uni.showToast({icon: "none", title: i18n.global.t('common.prompt.up-failed')})
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reject(err)
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},
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})
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})
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}
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export {upload}
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