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@ -119,13 +119,38 @@ export class DirectUpload { |
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file: File, |
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credentials: UploadCredentials, |
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onProgress?: (percent: number) => void |
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): Promise<UploadResult> { |
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return new Promise(async (resolve, reject) => { |
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const filePath = credentials.file_path.replace('${filename}', file.name) |
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// 尝试直传，如果CORS失败则使用代理
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try { |
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const directResult = await this.directUploadToTencent(file, credentials, filePath, onProgress) |
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resolve(directResult) |
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} catch (error) { |
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console.warn('Direct upload failed, trying proxy:', error) |
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try { |
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const proxyResult = await this.proxyUploadToTencent(file, credentials, filePath, onProgress) |
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resolve(proxyResult) |
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} catch (proxyError) { |
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reject(proxyError) |
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} |
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} |
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}) |
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} |
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/** |
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* 腾讯云COS直接上传 |
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*/ |
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private async directUploadToTencent( |
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file: File, |
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credentials: UploadCredentials, |
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filePath: string, |
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onProgress?: (percent: number) => void |
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): Promise<UploadResult> { |
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return new Promise((resolve, reject) => { |
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const formData = new FormData() |
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// 生成文件路径（替换模板中的${filename}）
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const filePath = credentials.file_path.replace('${filename}', file.name) |
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// 添加腾讯云COS必需的字段
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formData.append('key', filePath) |
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formData.append('policy', credentials.credentials.policy) |
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@ -171,6 +196,69 @@ export class DirectUpload { |
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}) |
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} |
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/** |
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* 腾讯云COS代理上传（开发环境临时方案） |
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*/ |
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private async proxyUploadToTencent( |
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file: File, |
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credentials: UploadCredentials, |
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filePath: string, |
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onProgress?: (percent: number) => void |
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): Promise<UploadResult> { |
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return new Promise((resolve, reject) => { |
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const formData = new FormData() |
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// 添加后端代理需要的参数（分别发送各个字段，避免JSON解析问题）
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formData.append('upload_url', credentials.upload_url) |
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formData.append('key', filePath) |
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formData.append('policy', credentials.credentials.policy) |
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formData.append('q-sign-algorithm', credentials.credentials['q-sign-algorithm']) |
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formData.append('q-ak', credentials.credentials['q-ak']) |
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formData.append('q-key-time', credentials.credentials['q-key-time']) |
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formData.append('q-signature', credentials.credentials['q-signature']) |
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formData.append('domain', credentials.domain) |
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formData.append('file', file) |
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const xhr = new XMLHttpRequest() |
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// 上传进度
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if (onProgress) { |
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xhr.upload.addEventListener('progress', (event) => { |
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if (event.lengthComputable) { |
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const percent = Math.round((event.loaded / event.total) * 100) |
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onProgress(percent) |
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} |
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}) |
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} |
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// 上传完成
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xhr.addEventListener('load', () => { |
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try { |
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const response = JSON.parse(xhr.responseText) |
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if (response.code === 1) { |
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resolve({ |
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success: true, |
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url: response.data.url |
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}) |
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} else { |
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reject(new Error(response.msg || '上传失败')) |
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} |
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} catch (error) { |
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reject(new Error('响应解析失败')) |
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} |
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}) |
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// 上传错误
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xhr.addEventListener('error', () => { |
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reject(new Error('网络错误，上传失败')) |
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}) |
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// 执行代理上传
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xhr.open('POST', `${this.baseUrl}/adminapi/sys/direct/cos_proxy`, true) |
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xhr.send(formData) |
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}) |
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} |
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/** |
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* 阿里云OSS直传 |
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*/ |
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