![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084559-680362c76c42c.gif\")
<\/p>\n\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u5982\u4f55\u5728\u9e3f\u8499\u5e94\u7528\u5f00\u53d1\u4e2d\u5b9e\u73b0\u9009\u62e9\u672c\u5730\u56fe\u5e93\u7167\u7247\u5e76\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\u7684\u529f\u80fd\u3002\u5c06\u901a\u8fc7\u4e09\u4e2a\u4e3b\u8981\u6b65\u9aa4：\u9009\u62e9\u56fe\u7247\u3001\u62f7\u8d1d\u5230\u7f13\u5b58\u76ee\u5f55\u3001\u4e0a\u4f20\u5230\u670d\u52a1\u5668，\u6765\u89e3\u91cal\u6574\u4e2a\u8fc7\u7a0b，\u5728\u5173\u952e\u6b65\u9aa4\u4e2d\u52a0\u5165\u5fc5\u8981\u7684\u6ce8\u610f\u4e8b\u9879\u548c\u5751\u70b9\u3002<\/p>\n
<\/p>\n
\u6a21\u62df\u5668\u4e0d\u80fd\u6b63\u786e\u663e\u793a\u4f46\u622a\u56fe\u540e\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u6709\u56fe\u7247<\/span><\/p>\n \u5728\u9e3f\u8499\u7cfb\u7edf\u4e2d，\u4f7f\u7528PhotoViewPicker<\/span>\u5bf9\u8c61\u6765\u5b9e\u73b0\u56fe\u7247\u9009\u62e9\u529f\u80fd\u3002\u4ee3\u7801\u793a\u4f8b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2apickerAvatar<\/span>\u51fd\u6570，\u8d1f\u8d23\u5f15\u5bfc\u7528\u6237\u9009\u62e9\u4e00\u5f20\u56fe\u7247，\u5e76\u8fd4\u56de\u8be5\u56fe\u7247\u7684\u5185\u5b58\u5730\u5740（URI）\u3002<\/p>\n tsconst options = new picker.PhotoSelectOptions \u6ce8\u610f：\u8bbe\u7f6eMIMEType<\/span>\u786e\u4fdd\u7528\u6237\u53ea\u80fd\u9009\u62e9\u56fe\u7247，\u9632\u6b62\u9009\u62e9\u5176\u4ed6\u6587\u4ef6\u7c7b\u578b\u5bfc\u81f4\u7a0b\u5e8f\u9519\u8bef\u3002<\/p>\n<\/li>\n<\/ul>\n tsconst pickerView = new picker.PhotoViewPicker() \u6ce8\u610f：\u52a1\u5fc5\u68c0\u67e5urls.photoUris<\/span>\u7684\u957f\u5ea6，\u786e\u4fdd\u7528\u6237\u771f\u7684\u9009\u62e9\u4e86\u56fe\u7247\u3002\u82e5\u6ca1\u6709\u9009\u62e9\u56fe\u7247，\u5219\u51fd\u6570\u63d0\u524d\u9000\u51fa\u3002<\/p>\n<\/li>\n<\/ul>\n \u7528\u6237\u9009\u62e9\u7684\u56fe\u7247\u901a\u5e38\u4f4d\u4e8e\u53ea\u8bfb\u5b58\u50a8\u4e2d，\u9700\u8981\u5c06\u5176\u62f7\u8d1d\u5230\u5e94\u7528\u7684\u7f13\u5b58\u76ee\u5f55，\u4ee5\u4fbf\u540e\u7eed\u5904\u7406\u3002<\/p>\n tsconst file = fs.openSync(photoImgPath, fs.OpenMode.READ_ONLY) \/\/ \u6253\u5f00\u6587\u4ef6\u4e3a\u53ea\u8bfb\u6a21\u5f0f \u6ce8\u610f：\u751f\u6210\u7684\u6587\u4ef6\u540d\u8981\u786e\u4fdd\u552f\u4e00，\u907f\u514d\u8986\u76d6\u5df2\u6709\u6587\u4ef6\u3002\u4f7f\u7528\u65f6\u95f4\u6233\u53ef\u4ee5\u90e8\u5206\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898，\u4f46\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u4ecd\u53ef\u80fd\u6709\u51b2\u7a81\u3002<\/p>\n<\/li>\n \u5f97\u5230\u7f13\u5b58\u76ee\u5f55\u4e2d\u7684\u56fe\u7247\u6587\u4ef6\u540e，\u901a\u8fc7\u7f51\u7edc\u8bf7\u6c42\u5c06\u5176\u4e0a\u4f20\u81f3\u670d\u52a1\u5668\u3002\u5728\u4e0a\u4f20\u8fc7\u7a0b\u4e2d，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u65e5\u5fd7\u6216\u8005UI\u6765\u76d1\u542c\u4e0a\u4f20\u8fdb\u5ea6（\u65e5\u5fd7\u793a\u4f8b）\u3002<\/p>\n tslet user = AppStorage.get('user') as ILoginUsersModel \u6ce8\u610f：\u5728\u4e0a\u4f20\u6587\u4ef6\u65f6，\u76d1\u542c\u4e0a\u4f20\u8fdb\u5ea6\u53ef\u4ee5\u7528\u4e8e\u8c03\u8bd5，\u8fd8\u53ef\u4ee5\u589e\u5f3a\u7528\u6237\u4ea4\u4e92\u4f53\u9a8c\u3002\u901a\u8fc7progress\u4e8b\u4ef6，\u6211\u4eec\u80fd\u591f\u5b9e\u65f6\u66f4\u65b0\u7528\u6237\u754c\u9762，\u5c55\u793a\u4e0a\u4f20\u8fdb\u5ea6\u3002<\/p>\n<\/li>\n \u4e0a\u9762\u6848\u4f8b\u4e2d\u5728\u9e3f\u8499\u7cfb\u7edf\u5f00\u53d1\u4e2d\u5b9e\u73b0\u4ece\u9009\u62e9\u56fe\u7247\u5230\u4e0a\u4f20\u56fe\u7247，\u5e76\u589e\u52a0\u4e86\u8fdb\u5ea6\u76d1\u63a7\u529f\u80fd\u3002\u5728\u5b9e\u73b0\u65f6\u5e94\u6ce8\u610f\u6587\u4ef6\u7c7b\u578b\u7684\u6b63\u786e\u6027\u3001\u6587\u4ef6\u547d\u540d\u7684\u552f\u4e00\u6027\u3001\u7f51\u7edc\u8bf7\u6c42\u7684\u5b89\u5168\u6027\u3002<\/p>\n \/\/1.\u7528\u6237\u9009\u62e9\u56fe\u7247\u540e\u8fd4\u56de\u4e00\u4e2a\u5185\u5b58\u5730\u5740 \/\/1.2 \u5229\u7528PhotoViewPicker\u5bf9\u8c61\u5b9e\u4f8b\u4e2d\u7684select\u81ea\u52a8\u83b7\u53d6\u5230\u7528\u6237\u9009\u62e9\u7684\u90a3\u5f20\u56fe\u7247\u7684\u5730\u5740 \/\/2.\u5229\u7528\u5df2\u83b7\u5f97\u7684\u5185\u5b58\u5730\u5740\u5c06\u7cfb\u7edf\u76f8\u518c\u7684\u56fe\u7247\u62f7\u8d1d\u5230\u7f13\u5b58\u76ee\u5f55 \/\/2.2\u5229\u7528fs\u62f7\u8d1d\u5230\u76ee\u6807\u5730\u5740 \/\/3.\u5c06\u83b7\u53d6\u5230\u7684\u56fe\u7247\u4e0a\u4f20\u5230\u670d\u52a1\u5668 \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb6.2k\u6b21\uff0c\u70b9\u8d5e40\u6b21\uff0c\u6536\u85cf47\u6b21\u3002\u5728\u9e3f\u8499\u7cfb\u7edf\u5f00\u53d1\u4e2d\u5b9e\u73b0\u4ece\u9009\u62e9\u56fe\u7247\u5230\u4e0a\u4f20\u56fe\u7247\uff0c\u5e76\u589e\u52a0\u4e86\u8fdb\u5ea6\u76d1\u63a7\u529f\u80fd\u3002\u5728\u5b9e\u73b0\u65f6\u5e94\u6ce8\u610f\u6587\u4ef6\u7c7b\u578b\u7684\u6b63\u786e\u6027\u3001\u6587\u4ef6\u547d\u540d\u7684\u552f\u4e00\u6027\u3001\u7f51\u7edc\u8bf7\u6c42\u7684\u5b89\u5168\u6027\u3002_\u9e3f\u8499\u4e0a\u4f20\u56fe\u7247\u5230\u670d\u52a1\u5668\u600e\u4e48\u5f04<\/p>\n","protected":false},"author":2,"featured_media":26707,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[280,2136,568,67,43],"topic":[],"class_list":{"0":"post-26713","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-server","8":"tag-harmonyos","10":"tag-typescript","11":"tag-67","12":"tag-43"},"yoast_head":"\n\u7b2c\u4e00\u6b65：\u7528\u6237\u9009\u62e9\u56fe\u7247<\/h3>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084559-680362c79421b.png\")
<\/p>\n\u4ee3\u7801\u89e3\u6790：<\/h5>\n
\noptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE \/\/ \u6307\u5b9a\u53ea\u80fd\u9009\u62e9\u56fe\u7247\u7c7b\u578b
\noptions.maxSelectNumber = 1 \/\/ \u7528\u6237\u53ea\u80fd\u9009\u62e9\u4e00\u5f20\u56fe\u7247 <\/p>\n\n
\nlet urls = await pickerView.select(options)
\nif (urls.photoUris.length <= 0) {
\n \u00a0return
\n}
\nlet imgUrl = urls.photoUris[0]
\nreturn imgUrl
\nAlertDialog.show({ message: imgUrl }) <\/p>\n\n
\u7b2c\u4e8c\u6b65：\u62f7\u8d1d\u56fe\u7247\u5230\u7f13\u5b58\u76ee\u5f55<\/h3>\n
\u4ee3\u7801\u89e3\u6790：<\/h5>\n
\nlet fileFD = file.fd
\nlet destPath = getContext().cacheDir \/\/ \u83b7\u53d6\u7f13\u5b58\u76ee\u5f55\u8def\u5f84
\nlet fileName = Date.now().toString() + '.jpg' \/\/ \u751f\u6210\u65b0\u7684\u6587\u4ef6\u540d
\nlet fullPath = destPath + '\/' + fileName
\nAlertDialog.show({ message: '\u5b8c\u6574\u8def\u5f84' + fullPath })
\nfs.copyFileSync(fileFD, fullPath) \/\/ \u62f7\u8d1d\u6587\u4ef6
\nreturn [`internal:\/\/cache\/${fileName}`, fileName] <\/p>\n\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084559-680362c7bb2b6.png\")
<\/p>\n<\/li>\n<\/ul>\n\u7b2c\u4e09\u6b65：\u4e0a\u4f20\u56fe\u7247\u5230\u670d\u52a1\u5668<\/h3>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084600-680362c80abda.png\")
<\/p>\n\u4ee3\u7801\u89e3\u6790：<\/h5>\n
\nlet token = user?.token
\nlet uploader = await request.uploadFile(getContext(), {
\n \u00a0 \u00a0method: 'POST',
\n \u00a0 \u00a0url: 'https:\/\/teach.itheima.net\/hm\/userInfo\/avatar',
\n \u00a0 \u00a0header: {
\n \u00a0 \u00a0 \u00a0'Content-Type': 'multipart\/form-data',
\n \u00a0 \u00a0 \u00a0'Authorization': `Bearer ${token}`
\n \u00a0 },
\n \u00a0 \u00a0files: [{ filename: arr[1], type: 'jpg', name: 'file', uri: arr[0] }],
\n \u00a0 \u00a0data: []
\n })
\n\u200b
\nuploader.on('progress', (uploadedSize, totalSize) => {
\n \u00a0 \u00a0Logger.info('\u4e0a\u4f20\u5927\u5c0f' + uploadedSize, '\u603b\u5927\u5c0f：' + totalSize)
\n \u00a0 \u00a0if (uploadedSize === totalSize) {
\n \u00a0 \u00a0 \u00a0AlertDialog.show({ message: '\u4e0a\u4f20\u5df2\u5b8c\u6210' })
\n \u00a0 }
\n}) <\/p>\n\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084600-680362c831bba.png\")
<\/p>\n<\/li>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419084600-680362c851458.gif\")
<\/p>\n<\/li>\n<\/ul>\n\u603b\u7ed3<\/h2>\n
\u5b8c\u6574\u5c01\u88c5\u51fd\u6570\u4ee3\u7801：<\/h2>\n
\nasync pickerAvatar() {
\n \/\/1.\u5f15\u5bfc\u7528\u6237\u9009\u62e9\u4e00\u5f20\u7cfb\u7edf\u76f8\u518c\u7167\u7247
\n \/\/1.1\u7ed1\u5b9a\u7528\u6237\u53ea\u80fd\u4ece\u7cfb\u7edf\u76f8\u518c\u9009\u62e9\u4e00\u5f20\u56fe\u7247
\n const options = new picker.PhotoSelectOptions
\n options.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE \/\/\u53ea\u80fd\u9009\u62e9\u76f8\u7247\u8d44\u6e90
\n options.maxSelectNumber = 1 \/\/\u6700\u5927\u9009\u62e9\u56fe\u7247\u6570\u76ee<\/p>\n
\n const pickerView = new picker.PhotoViewPicker()
\n let urls = await pickerView.select(options)
\n if (urls.photoUris.length <= 0) {
\n return
\n }
\n let imgUrl = urls.photoUris[0]
\n return imgUrl
\n AlertDialog.show({ message: imgUrl })
\n}<\/p>\n
\nasync copyImgToCache(photoImgPath: string) {
\n \/\/
\n \/\/ 2.1 \u6839\u636e\u6e90\u5730\u5740\u83b7\u53d6\u6587\u4ef6\u7684\u78c1\u76d8\u76ee\u5f55，\u901a\u8fc7openSync()\u6765\u83b7\u5f97\u7684\u5185\u5b58\u5730\u5740
\n const file = fs.openSync(photoImgPath, fs.OpenMode.READ_ONLY)
\n let fileFD = file.fd<\/p>\n
\n \/\/\u83b7\u53d6\u76ee\u6807\u5730\u5740\u6587\u4ef6\u5939\u76ee\u5f55
\n let destPath = getContext().cacheDir
\n \/\/\u968f\u673a\u751f\u6210\u4e00\u4e2a\u6587\u4ef6\u540d
\n let fileName = Date.now().toString()
\n \/\/\u56fa\u5b9a\u4e00\u4e2a\u6587\u4ef6\u6269\u5c55\u540d
\n const ext = 'jpg'
\n \/\/\u7ec4\u5408\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u76ee\u6807\u6587\u4ef6\u8def\u5f84
\n let fullPath = destPath + '\/' + fileName + '.' + ext
\n AlertDialog.show({ message: '\u5b8c\u6574\u8def\u5f84' + fullPath })
\n fs.copyFileSync(fileFD, fullPath)
\n \/\/internal:\/\/cache\u4ee3\u8868fullPath \u7684\u6587\u4ef6\u8def\u5f84
\n return [`internal:\/\/cache\/${fileName + '.' + ext}`, fileName + '.' + ext]
\n}<\/p>\n
\nasync uploadAvatar(arr: string[]) {
\n let user = AppStorage.get('user') as ILoginUsersModel
\n let token = user?.token
\n let uploader = await request.uploadFile(getContext(), {
\n method: 'POST',
\n url: 'https:\/\/teach.itheima.net\/hm\/userInfo\/avatar',
\n header: {
\n 'Content-Type': 'multipart\/form-data',
\n 'Authorization': `Bearer ${token}`
\n },
\n files: [{ filename: arr[1], type: 'jpg', name: 'file', uri: arr[0] }],
\n data: []
\n })
\n uploader.on('progress', (uploadedSize, totleSize) => {
\n Logger.info('\u4e0a\u4f20\u5927\u5c0f' + uploadedSize, '\u603b\u5927\u5c0f：' + totleSize)
\n if (uploadedSize === totleSize) {
\n AlertDialog.show({ message: '\u4e0a\u4f20\u5df2\u5b8c\u6210' })
\n }
\n })
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"