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161 lines
4.2 KiB
161 lines
4.2 KiB
import config from '@/config'
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import Crypto from '@/utils/oss-upload/common/crypto/crypto.js.js'
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import '@/utils/oss-upload/common/crypto/hmac.js'
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import '@/utils/oss-upload/common/crypto/sha1.js'
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import { Base64 } from '@/utils/oss-upload/common/crypto/base64.js'
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/**
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* 生成随机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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* 生成OSS签名配置
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*/
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function generateOSSConfig() {
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// 设置1小时后过期
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let date = new Date()
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date = date.setHours(date.getHours() + 1)
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let extime = "" + new Date(date).toISOString()
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let policyText = {
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"expiration": extime,
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"conditions": [
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["content-length-range", 0, 1024 * 1024 * 100] // 设置上传文件的大小限制100MB
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]
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};
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const policyBase64 = Base64.encode(JSON.stringify(policyText))
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// 生成签名
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let bytes = Crypto.HMAC(Crypto.SHA1, policyBase64, config.aliOSS_secretKey, {
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asBytes: true
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});
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let signature = Crypto.util.bytesToBase64(bytes);
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return {
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accessid: config.aliOSS_accessKey,
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// host: `https://${config.aliOSS_bucketName}.${config.endpoint}`,
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host: config.staticDomain,
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signature: signature,
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policyBase64: policyBase64,
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}
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}
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/**
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* OSS上传功能（使用签名认证）
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* @param {Object} file - 文件对象（uni.chooseImage返回的文件）
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* @returns {Promise<Object>} 返回上传结果
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*/
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const uploadImage = async (file) => {
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try {
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// 生成OSS配置和签名
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const ossConfig = generateOSSConfig()
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// 生成唯一文件名
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const timestamp = Date.now()
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const randomStr = Math.random().toString(36).substring(2, 8)
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const fileExtension = getFileExtension(file.name || file.path || '.jpg')
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const fileName = `avatars/${timestamp}_${randomStr}${fileExtension}`
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const result = await uni.uploadFile({
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url: ossConfig.host,
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filePath: file.path || file.tempFilePath,
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name: 'file',
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formData: {
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key: fileName,
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policy: ossConfig.policyBase64,
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OSSAccessKeyId: ossConfig.accessid,
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success_action_status: '200',
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signature: ossConfig.signature,
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}
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})
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console.log('OSS上传结果:', result)
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// 检查上传是否成功
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if (result.errMsg && result.errMsg.includes("uploadFile:ok")) {
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const fileUrl = `${config.staticDomain}${fileName}`
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return {
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success: true,
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url: fileUrl,
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fileName: fileName
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}
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} else {
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throw new Error(`OSS上传失败，状态码: ${result.statusCode}, 错误信息: ${result.errMsg}`)
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}
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} catch (error) {
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console.error('OSS上传失败:', error)
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return {
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success: false,
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error: error.message || 'OSS上传失败'
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}
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}
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}
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/**
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* 获取文件扩展名
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*/
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const getFileExtension = (fileName) => {
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if (!fileName) return '.jpg'
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const lastDot = fileName.lastIndexOf('.')
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return lastDot !== -1 ? fileName.substring(lastDot) : '.jpg'
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}
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/**
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* 选择并上传图片到OSS（一步到位）
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*/
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const chooseAndUpload = async () => {
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try {
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// 选择图片
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const chooseResult = await uni.chooseImage({
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count: 1,
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sizeType: ['compressed'],
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sourceType: ['album', 'camera']
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})
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if (chooseResult.tempFilePaths && chooseResult.tempFilePaths.length > 0) {
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const file = {
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path: chooseResult.tempFilePaths[0],
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tempFilePath: chooseResult.tempFilePaths[0]
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}
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// 显示加载提示
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uni.showLoading({ title: '上传中...' })
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// 上传文件到OSS
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const uploadResult = await uploadImage(file)
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uni.hideLoading()
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if (uploadResult.success) {
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uni.showToast({ title: '上传成功！', icon: 'success' })
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return uploadResult
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} else {
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uni.showToast({ title: uploadResult.error, icon: 'error' })
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return null
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}
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}
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} catch (error) {
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uni.hideLoading()
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uni.showToast({ title: 'OSS上传失败', icon: 'error' })
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console.error('OSS上传失败:', error)
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return null
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}
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}
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export {
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uploadImage,
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chooseAndUpload,
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getFileExtension
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}
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