{"id":22899,"date":"2025-04-19T06:37:13","date_gmt":"2025-04-18T22:37:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/22899.html"},"modified":"2025-04-19T06:37:13","modified_gmt":"2025-04-18T22:37:13","slug":"%e9%b8%bf%e8%92%99%e5%bc%80%e5%8f%91%e4%b8%8a%e4%bc%a0%e5%9b%be%e7%89%87%e6%96%87%e4%bb%b6%e5%88%b0%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/22899.html","title":{"rendered":"# \u9e3f\u8499\u5f00\u53d1\u4e0a\u4f20\u56fe\u7247(\u6587\u4ef6)\u5230\u670d\u52a1\u5668"},"content":{"rendered":"

\u672c\u6587\u4ecb\u7ecd\u7684\u662f\u5982\u4f55\u5c06\u6587\u4ef6\u4e0a\u4f20\u5230\u670d\u52a1\u5668，\u8fd9\u91cc\u5c06\u7528\u4e0a\u4f20\u56fe\u7247\u4f5c\u4e3a\u793a\u4f8b\u3002<\/p>\n

\u4e0a\u4f20\u56fe\u7247\u9996\u5148\u6211\u4eec\u5f97\u5148\u4ece\u76f8\u518c\u4e2d\u62ff\u5230\u56fe\u7247，\u8fd9\u91cc\u5c31\u7528\u5230\u4e86photoAccessHelper\u6a21\u5757(\u5b98\u65b9\u6587\u6863)<\/p>\n

\u9996\u5148，\u6211\u4eec\u5148\u4ece\u76f8\u518c\u4e2d\u9009\u62e9\u56fe\u7247\u3002<\/p>\n

\u4f7f\u7528photoAccessHelper.PhotoViewPicker()\u6765\u83b7\u53d6\u76f8\u518c\u9009\u62e9\u5668\u5bf9\u8c61，\u5e76\u901a\u8fc7\u5bf9\u8c61\u4e2d\u7684select\u65b9\u6cd5\u6765\u9009\u62e9\u56fe\u7247\u3002<\/p>\n

select\u65b9\u6cd5\u6709\u4e24\u4e2a\u8fd4\u56de\u503c，\u5176\u4e2dphotoUris\u662f\u6211\u4eec\u9700\u8981\u7528\u5230\u7684\u3002<\/p>\n\n\u540d\u79f0\u7c7b\u578b\u53ef\u8bfb\u53ef\u5199\u8bf4\u660e<\/tr>\n\n\n\n
photoUris<\/td>\nArray<\/td>\n\u662f<\/td>\n\u662f<\/td>\n\u8fd4\u56de\u56fe\u5e93\u9009\u62e9\u540e\u7684\u5a92\u4f53\u6587\u4ef6\u7684uri\u6570\u7ec4，\u6b64uri\u6570\u7ec4\u53ea\u80fd\u901a\u8fc7\u4e34\u65f6\u6388\u6743\u7684\u65b9\u5f0f\u8c03\u7528photoAccessHelper.getAssets\u63a5\u53e3\u53bb\u4f7f\u7528，\u5177\u4f53\u4f7f\u7528\u65b9\u5f0f\u53c2\u89c1\u7528\u6237\u6587\u4ef6uri\u4ecb\u7ecd\u4e2d\u7684\u5a92\u4f53\u6587\u4ef6uri\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/td>\n<\/tr>\n
isOriginalPhoto<\/td>\nboolean<\/td>\n\u662f<\/td>\n\u662f<\/td>\n\u8fd4\u56de\u56fe\u5e93\u9009\u62e9\u540e\u7684\u5a92\u4f53\u6587\u4ef6\u662f\u5426\u4e3a\u539f\u56fe\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

async<\/span> selectImage<\/span>(<\/span>)<\/span>{<\/span>
\n let<\/span> photoPicker =<\/span> new<\/span> photoAccessHelper<\/span>.<\/span>PhotoViewPicker<\/span>(<\/span>)<\/span>
\nconst<\/span> res =<\/span> await<\/span> photoPicker.<\/span>select<\/span>(<\/span>{<\/span>
\n \/\/ \u9009\u62e9\u76f8\u518c\u6587\u4ef6 \u7684\u7c7b\u578b，\u8fd9\u91cc\u4e3a IMAGE_TYPE \u56fe\u7247\u7c7b\u578b<\/span>
\n MIMEType:<\/span> photoAccessHelper.<\/span>PhotoViewMIMETypes.<\/span>IMAGE_TYPE<\/span>,<\/span>
\n \/\/ \u6700\u591a\u9009\u51e0\u5f20<\/span>
\n maxSelectNumber:<\/span> 3<\/span>
\n }<\/span>)<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span> message:<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>res)<\/span> }<\/span>)<\/span>
\n}<\/span><\/p>\n

\u62ff\u5230\u56fe\u7247\u540e，\u6211\u4eec\u5148\u628a\u56fe\u7247\u6e32\u67d3\u5230\u754c\u9762\u4e0a<\/p>\n

\/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u5b58uri ForEach\u6e32\u67d3\u5230UI\u4e0a<\/span>
\ninterface<\/span> ImageList<\/span> {<\/span>
\n \/** \u56fe\u7247url *\/<\/span>
\n url:<\/span> string<\/span>;<\/span>
\n}<\/span>
\n@<\/span>State<\/span><\/span> List:<\/span> ImageList[<\/span>]<\/span> =<\/span> [<\/span>]<\/span>
\n\/\/ \u5c06photoUris\u4e2d\u7684url\u901a\u8fc7map\u5b58\u5230List\u91cc [{ url: photoUris\u6570\u7ec4\u91cc\u7684\u503c }]<\/span>
\nthis<\/span>.<\/span>List.<\/span>push<\/span>(<\/span>…<\/span>res.<\/span>photoUris.<\/span>map<\/span>(<\/span> url =><\/span> {<\/span>
\n return<\/span> {<\/span> url }<\/span> as<\/span> ImageList
\n}<\/span> )<\/span>)<\/span>
\nForEach<\/span>(<\/span>this<\/span>.<\/span>List,<\/span> (<\/span>item:<\/span> ImageList,<\/span> i)<\/span> =><\/span> {<\/span>
\n Image<\/span>(<\/span>item.<\/span>url)<\/span>
\n .<\/span>width<\/span>(<\/span>95<\/span>)<\/span>
\n .<\/span>height<\/span>(<\/span>95<\/span>)<\/span>
\n}<\/span>)<\/span><\/p>\n

\u5c01\u88c5\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5f39\u7a97，\u91cc\u8fb9\u653e\u4e0aSwiper，\u5c06\u6570\u7ec4\u4f20\u8fdb\u53bb，\u5b9e\u73b0\u70b9\u51fb\u56fe\u7247\u653e\u5927\u9884\u89c8，\u5e76\u80fd\u5de6\u53f3\u6ed1\u52a8\u5207\u6362，\u5b8c\u6574\u4ee3\u7801：<\/p>\n

import<\/span> {<\/span> photoAccessHelper }<\/span> from<\/span> '@kit.MediaLibraryKit'<\/span>
\ninterface<\/span> ImageList<\/span> {<\/span>
\n \/** \u56fe\u7247url *\/<\/span>
\n url:<\/span> string<\/span>;<\/span>
\n}<\/span>
\n@<\/span>Entry<\/span><\/span>
\n@<\/span>Component<\/span><\/span>
\nstruct Index {<\/span><\/p>\n

@<\/span>State<\/span><\/span> List:<\/span> ImageList[<\/span>]<\/span> =<\/span> [<\/span>]<\/span>
\n index:<\/span>number<\/span> =<\/span> 0<\/span>
\n diallor:<\/span> CustomDialogController =<\/span> new<\/span> CustomDialogController<\/span>(<\/span>{<\/span>
\n builder:<\/span> HmPreview<\/span>(<\/span>{<\/span>urls:<\/span> this<\/span>.<\/span>List ,<\/span> selectIndex:<\/span> this<\/span>.<\/span>index}<\/span>)<\/span>,<\/span>
\n customStyle:<\/span> true<\/span>
\n }<\/span>)<\/span>
\n async<\/span> selectImage<\/span>(<\/span>)<\/span>{<\/span>
\n let<\/span> photoPicker =<\/span> new<\/span> photoAccessHelper<\/span>.<\/span>PhotoViewPicker<\/span>(<\/span>)<\/span>
\n const<\/span> res =<\/span> await<\/span> photoPicker.<\/span>select<\/span>(<\/span>{<\/span>
\n MIMEType:<\/span> photoAccessHelper.<\/span>PhotoViewMIMETypes.<\/span>IMAGE_TYPE<\/span>,<\/span>
\n maxSelectNumber:<\/span> 3<\/span>
\n }<\/span>)<\/span>
\n this<\/span>.<\/span>List.<\/span>push<\/span>(<\/span>…<\/span>res.<\/span>photoUris.<\/span>map<\/span>(<\/span> url =><\/span> {<\/span>
\n return<\/span> {<\/span> url }<\/span> as<\/span> ImageList
\n }<\/span> )<\/span>)<\/span>
\n }<\/span><\/p>\n

build<\/span>(<\/span>)<\/span> {<\/span>
\n Column<\/span>(<\/span>)<\/span>{<\/span>
\n Button<\/span>(<\/span>'\u62c9\u8d77\u76f8\u518c'<\/span>)<\/span>
\n .<\/span>onClick<\/span>(<\/span>(<\/span>)<\/span> =><\/span> {<\/span>
\n this<\/span>.<\/span>selectImage<\/span>(<\/span>)<\/span>
\n }<\/span>)<\/span>
\n ForEach<\/span>(<\/span>this<\/span>.<\/span>List,<\/span> (<\/span>item:<\/span> ImageList,<\/span> i)<\/span> =><\/span> {<\/span>
\n Image<\/span>(<\/span>item.<\/span>url)<\/span>
\n .<\/span>width<\/span>(<\/span>95<\/span>)<\/span>
\n .<\/span>height<\/span>(<\/span>95<\/span>)<\/span>
\n .<\/span>onClick<\/span>(<\/span>(<\/span>)<\/span> =><\/span> {<\/span>
\n this<\/span>.<\/span>index =<\/span> i
\n this<\/span>.<\/span>diallor.<\/span>open<\/span>(<\/span>)<\/span>
\n }<\/span>)<\/span>
\n }<\/span>)<\/span>
\n }<\/span>
\n .<\/span>height<\/span>(<\/span>'100%'<\/span>)<\/span>
\n .<\/span>width<\/span>(<\/span>'100%'<\/span>)<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

@<\/span>CustomDialog<\/span><\/span>
\n@<\/span>Component<\/span><\/span>
\nstruct HmPreview {<\/span>
\n controller:<\/span> CustomDialogController
\n \/\/ \u652f\u6301\u591a\u5f20\u56fe\u7247\u9884\u89c8 \u7ed9\u591a\u5f20\u5730\u5740 \u7ed9\u4e00\u4e2a\u9700\u8981\u9884\u89c8\u7684\u7d22\u5f15<\/span>
\n urls:<\/span> ImageList[<\/span>]<\/span> =<\/span> [<\/span>]<\/span> \/\/ \u591a\u5f20\u5730\u5740<\/span>
\n selectIndex:<\/span>number<\/span> =<\/span> –<\/span>1<\/span> \/\/ \u5f53\u524d\u7d22\u5f15<\/span>
\n build<\/span>(<\/span>)<\/span> {<\/span>
\n Column<\/span>(<\/span>)<\/span> {<\/span>
\n Swiper<\/span>(<\/span>)<\/span> {<\/span>
\n ForEach<\/span>(<\/span>this<\/span>.<\/span>urls,<\/span> (<\/span>url:<\/span> ImageList)<\/span> =><\/span> {<\/span>
\n Image<\/span>(<\/span>url.<\/span>url)<\/span>
\n .<\/span>width<\/span>(<\/span>"100%"<\/span>)<\/span> \/\/ \u53ea\u7ed9\u5bbd\u5ea6 \u4e0d\u7ed9\u9ad8\u5ea6 \u8ba9\u81ea\u5df1\u6491\u5f00<\/span>
\n .<\/span>onClick<\/span>(<\/span>(<\/span>)<\/span> =><\/span> {<\/span>
\n this<\/span>.<\/span>controller.<\/span>close<\/span>(<\/span>)<\/span>
\n }<\/span>)<\/span>
\n }<\/span>)<\/span>
\n }<\/span>
\n .<\/span>indicator<\/span>(<\/span>false<\/span>)<\/span> \/\/ \u53bb\u6389\u70b9\u7684\u663e\u793a<\/span>
\n .<\/span>index<\/span>(<\/span>this<\/span>.<\/span>selectIndex)<\/span> \/\/ \u5f53\u524d\u8981\u770b\u7684\u662f\u7b2c\u51e0\u5f20\u56fe\u7247<\/span><\/p>\n

}<\/span>
\n .<\/span>justifyContent<\/span>(<\/span>FlexAlign.<\/span>Center)<\/span>
\n .<\/span>width<\/span>(<\/span>"100%"<\/span>)<\/span>
\n .<\/span>height<\/span>(<\/span>"100%"<\/span>)<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u56e0\u4e3a\u4e0a\u4f20\u6587\u4ef6\u53ea\u80fd\u4ece\u6c99\u7bb1\u6587\u4ef6\u4e2d\u62f7\u8d1d，\u6240\u4ee5\u63a5\u4e0b\u6765\u5c01\u88c5\u4e00\u4e2aAPI\u5c06\u4f20\u8fdb\u6765\u7684\u56fe\u7247\u62f7\u8d1d\u5230\u6c99\u7bb1\u91cc\u3002<\/p>\n

\u83b7\u53d6\u4e0e\u9875\u9762\u4e0a\u4e0b\u6587\u7ec4\u4ef6\u5173\u8054\u7684Context\u5bf9\u8c61，\u5e76\u4f7f\u7528\u91cc\u8fb9\u7684cacheDir\u65b9\u6cd5\u83b7\u53d6\u5e94\u7528\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n

\/\/list: ImageList[] \u4e3a\u4f20\u8fdb\u6765\u7684<\/span>
\nexport<\/span> const<\/span> UploadFile<\/span> =<\/span> async<\/span> (<\/span>list:<\/span> ImageList[<\/span>]<\/span>)<\/span> =><\/span> {<\/span>
\n const<\/span> saveDir =<\/span> getContext<\/span>(<\/span>)<\/span>.<\/span>cacheDir \/\/ \u5b58\u50a8\u5728\u6c99\u7bb1\u7684\u76ee\u5f55<\/span>
\n const<\/span> fileParams:<\/span> request.<\/span>File[<\/span>]<\/span> =<\/span> [<\/span>]<\/span> \/\/ \u9700\u8981\u63d0\u4ea4\u7684\u53c2\u6570<\/span>
\n}<\/span><\/p>\n

\u4f7f\u7528fileIo\u76f8\u518c\u7ba1\u7406\u5668\u4e2d\u7684openSync\u65b9\u6cd5，\u6253\u5f00\u5e76\u8bfb\u53d6\u76f8\u518c\u6587\u4ef6，\u5c06\u83b7\u53d6\u5230\u7684\u56fe\u7247url\u4f20\u8fdb\u65b9\u6cd5\u91cc，\u8fd4\u56de\u4e00\u4e2aFile\u5bf9\u8c61，\u5176\u4e2d\u7684fd\u662f\u56fe\u7247\u6587\u4ef6\u7684\u63cf\u8ff0\u7b26（\u6253\u5f00\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26）\u6211\u4eec\u9700\u8981\u4f20\u5230copyFileSync（\u4ee5\u540c\u6b65\u65b9\u6cd5\u590d\u5236\u6587\u4ef6）\u65b9\u6cd5\u91cc\u3002<\/p>\n

\u4e4b\u540e\u6dfb\u52a0\u5230\u63d0\u4ea4\u53c2\u6570\u91cc，\u6dfb\u52a0\u5b8c\u540e\u5c06\u6587\u4ef6\u5173\u95ed\u3002<\/p>\n

list.<\/span>forEach<\/span>(<\/span>(<\/span>item)<\/span> =><\/span> {<\/span>
\n \/\/ \u8bfb\u53d6\u76f8\u518c\u6587\u4ef6<\/span>
\n const<\/span> file =<\/span> fileIo.<\/span>openSync<\/span>(<\/span>item.<\/span>url,<\/span> fileIo.<\/span>OpenMode.<\/span>READ_ONLY<\/span>)<\/span>
\n \/\/ \u5c06\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1\u76ee\u5f55<\/span>
\n \/\/ \u76f8\u518c\u5730\u5740 \u4f7f\u7528UUID\u4f5c\u4e3a\u56fe\u7247\u540d<\/span>
\n const<\/span> uniqueName =<\/span> util.<\/span>generateRandomUUID<\/span>(<\/span>)<\/span> +<\/span> '.jpg'<\/span>
\n \/\/ \u5c06\u76f8\u518c\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1<\/span>
\n fileIo.<\/span>copyFileSync<\/span>(<\/span>file.<\/span>fd,<\/span> saveDir +<\/span> '\/'<\/span> +<\/span> uniqueName)<\/span>
\n fileParams.<\/span>push<\/span>(<\/span>{<\/span>
\n filename:<\/span> uniqueName,<\/span> \/\/ \u6587\u4ef6\u540d\u79f0<\/span>
\n name:<\/span> 'file'<\/span>,<\/span> \/\/ \u63a5\u53e3\u7684\u53c2\u6570\u540d<\/span>
\n type:<\/span> 'jpg'<\/span>,<\/span> \/\/ \u6587\u4ef6\u540e\u7f00<\/span>
\n uri:<\/span> `<\/span>internal:\/\/cache\/<\/span>${<\/span>uniqueName}<\/span><\/span>`<\/span><\/span>\/\/ \u5e94\u8be5\u662f\u6587\u4ef6\u653e\u5230cache\u76ee\u5f55\u4e0b \u5982\u679c\u662fcache\u534f\u8bae \u5b83\u4f1a\u81ea\u52a8\u627e\u8fd9\u4e2a\u6587\u4ef6<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u62f7\u8d1d\u5b8c\u5173\u95ed\u6587\u4ef6<\/span>
\n fileIo.<\/span>closeSync<\/span>(<\/span>file.<\/span>fd)<\/span>
\n }<\/span>)<\/span><\/p>\n

\u5b8c\u6574\u4ee3\u7801：<\/p>\n

\/\/ \u5c06\u56fe\u7247\u62f7\u8d1d\u5230\u6c99\u7bb1\u76ee\u5f55<\/span>
\nexport<\/span> const<\/span> UploadFile<\/span> =<\/span> async<\/span> (<\/span>list:<\/span> ImageList[<\/span>]<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u56e0\u4e3a\u4e0a\u4f20\u6587\u4ef6\u53ea\u80fd\u4ece\u6c99\u7bb1\u6587\u4ef6\u4e2d\u62f7\u8d1d，\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a\u4f20\u8fc7\u6765\u7684\u6240\u6709\u56fe\u7247\u62f7\u8d1d\u5230\u6c99\u7bb1\u4e2d<\/span>
\n const<\/span> saveDir =<\/span> getContext<\/span>(<\/span>)<\/span>.<\/span>cacheDir \/\/ \u5b58\u50a8\u5728\u6c99\u7bb1\u7684\u76ee\u5f55<\/span>
\n const<\/span> fileParams:<\/span> request.<\/span>File[<\/span>]<\/span> =<\/span> [<\/span>]<\/span> \/\/ \u9700\u8981\u63d0\u4ea4\u7684\u53c2\u6570<\/span>
\n list.<\/span>forEach<\/span>(<\/span>(<\/span>item)<\/span> =><\/span> {<\/span>
\n \/\/ \u8bfb\u53d6\u76f8\u518c\u6587\u4ef6 \u6253\u5f00\u7684File\u5bf9\u8c61\u3002<\/span>
\n const<\/span> file =<\/span> fileIo.<\/span>openSync<\/span>(<\/span>item.<\/span>url,<\/span> fileIo.<\/span>OpenMode.<\/span>READ_ONLY<\/span>)<\/span>
\n \/\/ \u5c06\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1\u76ee\u5f55<\/span>
\n \/\/ \u76f8\u518c\u5730\u5740 \u4f7f\u7528UUID\u4f5c\u4e3a\u56fe\u7247\u540d<\/span>
\n const<\/span> uniqueName =<\/span> util.<\/span>generateRandomUUID<\/span>(<\/span>)<\/span> +<\/span> '.jpg'<\/span>
\n \/\/ \u5c06\u76f8\u518c\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1<\/span>
\n fileIo.<\/span>copyFileSync<\/span>(<\/span>file.<\/span>fd,<\/span> saveDir +<\/span> '\/'<\/span> +<\/span> uniqueName)<\/span>
\n fileParams.<\/span>push<\/span>(<\/span>{<\/span>
\n filename:<\/span> uniqueName,<\/span> \/\/ \u6587\u4ef6\u540d\u79f0<\/span>
\n name:<\/span> 'file'<\/span>,<\/span> \/\/ \u63a5\u53e3\u7684\u53c2\u6570\u540d<\/span>
\n type:<\/span> 'jpg'<\/span>,<\/span> \/\/ \u6587\u4ef6\u540e\u7f00<\/span>
\n uri:<\/span> `<\/span>internal:\/\/cache\/<\/span>${<\/span>uniqueName}<\/span><\/span>`<\/span><\/span>\/\/ \u5e94\u8be5\u662f\u6587\u4ef6\u653e\u5230cache\u76ee\u5f55\u4e0b \u5982\u679c\u662fcache\u534f\u8bae \u5b83\u4f1a\u81ea\u52a8\u627e\u8fd9\u4e2a\u6587\u4ef6<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u62f7\u8d1d\u5b8c\u5173\u95ed\u6587\u4ef6<\/span>
\n fileIo.<\/span>closeSync<\/span>(<\/span>file.<\/span>fd)<\/span>
\n }<\/span>)<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span> message:<\/span> JSON<\/span>.<\/span>stringify<\/span>(<\/span>fileParams)<\/span> }<\/span>)<\/span>
\n}<\/span><\/p>\n

\u63a5\u4e0b\u6765\u5c01\u88c5\u4e00\u4e2a\u4e0a\u4f20\u8bf7\u6c42\u7684API，\u5c06\u56fe\u7247\u63d0\u4ea4\u5230\u670d\u52a1\u5668\u3002<\/p>\n

\u8fd9\u4e2aAPI\u9700\u8981\u4e24\u4e2a\u53c2\u6570，\u4e00\u4e2a\u662f\u5e94\u7528\u4e0a\u4e0b\u6587，\u4e00\u4e2a\u662f\u8981\u4e0a\u4f20\u7684\u6587\u4ef6\u5217\u8868(\u5b98\u65b9\u6587\u6863)\u3002<\/p>\n

\u5b9a\u4e49API\u5c06\u4e0a\u4f20\u4efb\u52a1\u7684\u914d\u7f6e\u4fe1\u606f\u914d\u7f6e\u4e00\u4e0b(\u5b98\u65b9\u6587\u6863)<\/p>\n

export<\/span> const<\/span> uploadImage<\/span> =<\/span> async<\/span> (<\/span>context:<\/span> Context,<\/span> files:<\/span> request.<\/span>File[<\/span>]<\/span>)<\/span> =><\/span> {<\/span>
\n let<\/span> config:<\/span> request.<\/span>UploadConfig =<\/span> {<\/span>
\n url:<\/span> '\u670d\u52a1\u5668\u5730\u5740'<\/span>,<\/span>
\n method:<\/span> 'POST'<\/span>,<\/span>\/\/ \u8bf7\u6c42\u7c7b\u578b<\/span>
\n header:<\/span> {<\/span>
\n Authorization:<\/span> AppStorage.<\/span>get<\/span>(<\/span>TOKEN_KEY<\/span>)<\/span> ||<\/span> ""<\/span>,<\/span> \/\/ \u5e94\u7528\u4e2d\u7684token<\/span>
\n "Content-Type"<\/span>:<\/span> "multipart\/form-data"<\/span> \/\/ \u4e0a\u4f20\u6587\u4ef6\u7684\u53c2\u6570\u7c7b\u578b<\/span>
\n \/\/ multipart\/form-data \u4e13\u95e8\u4f20\u6587\u4ef6\u7684\u7ed3\u6784<\/span>
\n }<\/span>,<\/span>
\n files,<\/span>
\n data:<\/span> [<\/span>]<\/span> \/\/ \u6279\u91cf\u4e0a\u4f20\u9700\u8981\u643a\u5e26\u7684\u53c2\u6570 \u7528\u4e0d\u4e0a<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u4e0a\u4f20\u6587\u4ef6\u4e0d\u4e00\u5b9a\u4f1a\u4e0a\u4f20\u6210\u529f，\u4e5f\u53ef\u80fd\u4f1a\u4e0a\u4f20\u5931\u8d25，\u6211\u4eec\u4f7f\u7528Promise\u7ba1\u7406\u4e00\u4e0b\u6210\u529f\u72b6\u6001\u548c\u5931\u8d25\u72b6\u6001\u3002 \u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4url，\u4ee5\u4fbf\u4f9b\u5176\u5b83\u63a5\u53e3\u4f7f\u7528\u3002<\/p>\n

return<\/span> new<\/span> Promise<\/span><<\/span>ImageList[<\/span>]<\/span>><\/span><\/span>(<\/span>async<\/span> (<\/span>resolve,<\/span> reject)<\/span> =><\/span> {<\/span>
\n let<\/span> arr:<\/span> ImageList[<\/span>]<\/span> =<\/span> [<\/span>]<\/span>
\n \/\/ \u4f7f\u7528Promise\u65b9\u5f0f，\u5f02\u6b65\u8fd4\u56de\u4e0a\u4f20\u4efb\u52a1\u3002 \u53ef\u901a\u8fc7 on\u65b9\u6cd5\u8ba2\u9605\u4e8b\u4ef6，\u83b7\u53d6\u4efb\u52a1\u72b6\u6001<\/span>
\n const<\/span> task =<\/span> await<\/span> request.<\/span>uploadFile<\/span>(<\/span>context,<\/span> config)<\/span> \/\/ \u6210\u529f\u6267\u884c\u5e76\u4e0d\u610f\u5473\u7740 \u4e0a\u4f20\u6210\u529f \u53ea\u662f\u4efb\u52a1\u521b\u5efa\u6210\u529f<\/span>
\n}<\/span>)<\/span><\/p>\n

\u8ba2\u9605\u4e8b\u4ef6\u83b7\u53d6\u4efb\u52a1\u72b6\u6001<\/p>\n

\/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\ntask.<\/span>on<\/span>(<\/span>"fail"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5931\u8d25<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span>
\n message:<\/span> "\u4e0a\u4f20\u5931\u8d25"<\/span>
\n }<\/span>)<\/span>
\n reject<\/span>(<\/span>new<\/span> Error<\/span>(<\/span>"\u4e0a\u4f20\u5931\u8d25"<\/span>)<\/span>)<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u6bcf\u4e0a\u4f20\u6210\u529f\u4e00\u6b21\u5c31\u4f1a\u8fdb\u6765<\/span>
\n task.<\/span>on<\/span>(<\/span>"headerReceive"<\/span>,<\/span> (<\/span>headers:<\/span> object)<\/span> =><\/span> {<\/span>
\n \/\/ \u54cd\u5e94\u56de\u6765\u7684\u6570\u636e<\/span>
\n if<\/span> (<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> {<\/span>
\n \/\/ \u8f6c\u6362\u4e3a\u5bf9\u8c61\u5f62\u5f0f<\/span>
\n const<\/span> result =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> as<\/span> ResponseData<<\/span>string<\/span>><\/span>
\n \/\/ result.code === 200\u4e3a\u6210\u529f\u65f6\u7684\u72b6\u6001\u7801<\/span>
\n if<\/span> (<\/span>result.<\/span>code ===<\/span> 200<\/span>)<\/span> {<\/span>
\n arr.<\/span>push<\/span>(<\/span>{<\/span>
\n url:<\/span> result.<\/span>data as<\/span> string<\/span>
\n }<\/span>)<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>)<\/span>
\n \/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\n task.<\/span>on<\/span>(<\/span>"complete"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5b8c\u6210<\/span>
\n \/\/ \u4e5f\u4e0d\u80fd\u62ff\u5230\u4e0a\u4f20\u6210\u529f\u7684\u5730\u5740<\/span>
\n \/\/ \u8d70\u5230\u8fd9\u91cc\u8ba4\u4e3a \u8981\u8fd4\u56de\u7684\u7ed3\u6784\u5df2\u7ecfok\u4e86<\/span>
\n resolve<\/span>(<\/span>arr)<\/span>
\n }<\/span>)<\/span><\/p>\n

\u5230\u8fd9\u91cc，\u4e0a\u4f20\u56fe\u7247\u57fa\u672c\u5b8c\u6210\u7684\u5dee\u4e0d\u591a\u4e86，\u63a5\u7740\u6211\u4eec\u9700\u8981\u7528try\u6355\u83b7\u4e0a\u4f20\u65f6\u51fa\u73b0\u7684\u4e00\u4e9b\u9519\u8bef<\/p>\n

try<\/span>{<\/span>
\n \/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\ntask.<\/span>on<\/span>(<\/span>"fail"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5931\u8d25<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span>
\n message:<\/span> "\u4e0a\u4f20\u5931\u8d25"<\/span>
\n }<\/span>)<\/span>
\n reject<\/span>(<\/span>new<\/span> Error<\/span>(<\/span>"\u4e0a\u4f20\u5931\u8d25"<\/span>)<\/span>)<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u6bcf\u4e0a\u4f20\u6210\u529f\u4e00\u6b21\u5c31\u4f1a\u8fdb\u6765<\/span>
\n task.<\/span>on<\/span>(<\/span>"headerReceive"<\/span>,<\/span> (<\/span>headers:<\/span> object)<\/span> =><\/span> {<\/span>
\n \/\/ \u54cd\u5e94\u56de\u6765\u7684\u6570\u636e<\/span>
\n if<\/span> (<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> {<\/span>
\n \/\/ \u8f6c\u6362\u4e3a\u5bf9\u8c61\u5f62\u5f0f<\/span>
\n const<\/span> result =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> as<\/span> ResponseData<<\/span>string<\/span>><\/span>
\n \/\/ result.code === 200\u4e3a\u6210\u529f\u65f6\u7684\u72b6\u6001\u7801<\/span>
\n if<\/span> (<\/span>result.<\/span>code ===<\/span> 200<\/span>)<\/span> {<\/span>
\n arr.<\/span>push<\/span>(<\/span>{<\/span>
\n url:<\/span> result.<\/span>data as<\/span> string<\/span>
\n }<\/span>)<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>)<\/span>
\n \/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\n task.<\/span>on<\/span>(<\/span>"complete"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5b8c\u6210<\/span>
\n \/\/ \u4e5f\u4e0d\u80fd\u62ff\u5230\u4e0a\u4f20\u6210\u529f\u7684\u5730\u5740<\/span>
\n \/\/ \u8d70\u5230\u8fd9\u91cc\u8ba4\u4e3a \u8981\u8fd4\u56de\u7684\u7ed3\u6784\u5df2\u7ecfok\u4e86<\/span>
\n resolve<\/span>(<\/span>arr)<\/span>
\n }<\/span>)<\/span>
\n}<\/span>catch<\/span>(<\/span>error)<\/span> {<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span>
\n message:<\/span> error.<\/span>message \/\/ \u63d0\u793a\u9519\u8bef\u6d88\u606f<\/span>
\n }<\/span>)<\/span>
\n reject<\/span>(<\/span>error)<\/span>
\n }<\/span><\/p>\n

\u4e0a\u4f20\u8bf7\u6c42API\u5b8c\u6574\u4ee3\u7801：<\/p>\n

export<\/span> const<\/span> uploadImage<\/span> =<\/span> async<\/span> (<\/span>context:<\/span> Context,<\/span> files:<\/span> request.<\/span>File[<\/span>]<\/span>)<\/span> =><\/span> {<\/span>
\n let<\/span> config:<\/span> request.<\/span>UploadConfig =<\/span> {<\/span>
\n url:<\/span> '\u670d\u52a1\u5668\u5730\u5740'<\/span>,<\/span>
\n method:<\/span> 'POST'<\/span>,<\/span>\/\/ \u8bf7\u6c42\u7c7b\u578b<\/span>
\n header:<\/span> {<\/span>
\n Authorization:<\/span> AppStorage.<\/span>get<\/span>(<\/span>TOKEN_KEY<\/span>)<\/span> ||<\/span> ""<\/span>,<\/span> \/\/ \u5e94\u7528\u4e2d\u7684token<\/span>
\n "Content-Type"<\/span>:<\/span> "multipart\/form-data"<\/span> \/\/ \u4e0a\u4f20\u6587\u4ef6\u7684\u53c2\u6570\u7c7b\u578b<\/span>
\n \/\/ multipart\/form-data \u4e13\u95e8\u4f20\u6587\u4ef6\u7684\u7ed3\u6784<\/span>
\n }<\/span>,<\/span>
\n files,<\/span>
\n data:<\/span> [<\/span>]<\/span> \/\/ \u6279\u91cf\u4e0a\u4f20\u9700\u8981\u643a\u5e26\u7684\u53c2\u6570 \u7528\u4e0d\u4e0a<\/span>
\n }<\/span><\/p>\n

return<\/span> new<\/span> Promise<\/span><<\/span>ImageList[<\/span>]<\/span>><\/span><\/span>(<\/span>async<\/span> (<\/span>resolve,<\/span> reject)<\/span> =><\/span> {<\/span>
\n let<\/span> arr:<\/span> ImageList[<\/span>]<\/span> =<\/span> [<\/span>]<\/span>
\n \/\/ \u4f7f\u7528Promise\u65b9\u5f0f，\u5f02\u6b65\u8fd4\u56de\u4e0a\u4f20\u4efb\u52a1\u3002 \u53ef\u901a\u8fc7 on\u65b9\u6cd5\u8ba2\u9605\u4e8b\u4ef6，\u83b7\u53d6\u4efb\u52a1\u72b6\u6001<\/span>
\n const<\/span> task =<\/span> await<\/span> request.<\/span>uploadFile<\/span>(<\/span>context,<\/span> config)<\/span> \/\/ \u6210\u529f\u6267\u884c\u5e76\u4e0d\u610f\u5473\u7740 \u4e0a\u4f20\u6210\u529f \u53ea\u662f\u4efb\u52a1\u521b\u5efa\u6210\u529f<\/span><\/p>\n

try<\/span>{<\/span>
\n \/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\ntask.<\/span>on<\/span>(<\/span>"fail"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5931\u8d25<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span>
\n message:<\/span> "\u4e0a\u4f20\u5931\u8d25"<\/span>
\n }<\/span>)<\/span>
\n reject<\/span>(<\/span>new<\/span> Error<\/span>(<\/span>"\u4e0a\u4f20\u5931\u8d25"<\/span>)<\/span>)<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u6bcf\u4e0a\u4f20\u6210\u529f\u4e00\u6b21\u5c31\u4f1a\u8fdb\u6765<\/span>
\n task.<\/span>on<\/span>(<\/span>"headerReceive"<\/span>,<\/span> (<\/span>headers:<\/span> object)<\/span> =><\/span> {<\/span>
\n \/\/ \u54cd\u5e94\u56de\u6765\u7684\u6570\u636e<\/span>
\n if<\/span> (<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> {<\/span>
\n \/\/ \u8f6c\u6362\u4e3a\u5bf9\u8c61\u5f62\u5f0f<\/span>
\n const<\/span> result =<\/span> JSON<\/span>.<\/span>parse<\/span>(<\/span>headers[<\/span>"body"<\/span>]<\/span>)<\/span> as<\/span> ResponseData<<\/span>string<\/span>><\/span>
\n \/\/ result.code === 200\u4e3a\u6210\u529f\u65f6\u7684\u72b6\u6001\u7801<\/span>
\n if<\/span> (<\/span>result.<\/span>code ===<\/span> 200<\/span>)<\/span> {<\/span>
\n arr.<\/span>push<\/span>(<\/span>{<\/span>
\n url:<\/span> result.<\/span>data as<\/span> string<\/span>
\n }<\/span>)<\/span>
\n }<\/span>
\n }<\/span>
\n }<\/span>)<\/span>
\n \/\/\u8ba2\u9605\u7684\u4e8b\u4ef6\u7c7b\u578b，\u53d6\u503c\u4e3a'complete'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5b8c\u6210；\u53d6\u503c\u4e3a'fail'，\u8868\u793a\u4e0a\u4f20\u4efb\u52a1\u5931\u8d25<\/span>
\n task.<\/span>on<\/span>(<\/span>"complete"<\/span>,<\/span> (<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u4e0a\u4f20\u5b8c\u6210<\/span>
\n \/\/ \u4e5f\u4e0d\u80fd\u62ff\u5230\u4e0a\u4f20\u6210\u529f\u7684\u5730\u5740<\/span>
\n \/\/ \u8d70\u5230\u8fd9\u91cc\u8ba4\u4e3a \u8981\u8fd4\u56de\u7684\u7ed3\u6784\u5df2\u7ecfok\u4e86<\/span>
\n resolve<\/span>(<\/span>arr)<\/span>
\n }<\/span>)<\/span>
\n}<\/span>catch<\/span>(<\/span>error)<\/span> {<\/span>
\n AlertDialog.<\/span>show<\/span>(<\/span>{<\/span>
\n message:<\/span> error.<\/span>message \/\/ \u63d0\u793a\u9519\u8bef\u6d88\u606f<\/span>
\n }<\/span>)<\/span>
\n reject<\/span>(<\/span>error)<\/span>
\n }<\/span>
\n}<\/span>)<\/span><\/p>\n

}<\/span><\/p>\n

\u6700\u540e\u6211\u4eec\u5c06\u4e0a\u4f20\u8bf7\u6c42API\u653e\u5230\u62f7\u8d1d\u6c99\u7bb1API\u91cc<\/p>\n

\/\/ \u5c06\u56fe\u7247\u62f7\u8d1d\u5230\u6c99\u7bb1\u76ee\u5f55<\/span>
\nexport<\/span> const<\/span> UploadFile<\/span> =<\/span> async<\/span> (<\/span>list:<\/span> ImageList[<\/span>]<\/span>)<\/span> =><\/span> {<\/span>
\n \/\/ \u56e0\u4e3a\u4e0a\u4f20\u6587\u4ef6\u53ea\u80fd\u4ece\u6c99\u7bb1\u6587\u4ef6\u4e2d\u62f7\u8d1d，\u6240\u4ee5\u6211\u4eec\u9700\u8981\u628a\u4f20\u8fc7\u6765\u7684\u6240\u6709\u56fe\u7247\u62f7\u8d1d\u5230\u6c99\u7bb1\u4e2d<\/span>
\n const<\/span> saveDir =<\/span> getContext<\/span>(<\/span>)<\/span>.<\/span>cacheDir \/\/ \u5b58\u50a8\u5728\u6c99\u7bb1\u7684\u76ee\u5f55<\/span>
\n const<\/span> fileParams:<\/span> request.<\/span>File[<\/span>]<\/span> =<\/span> [<\/span>]<\/span> \/\/ \u9700\u8981\u63d0\u4ea4\u7684\u53c2\u6570<\/span>
\n list.<\/span>forEach<\/span>(<\/span>(<\/span>item)<\/span> =><\/span> {<\/span>
\n \/\/ \u8bfb\u53d6\u76f8\u518c\u6587\u4ef6 \u6253\u5f00\u7684File\u5bf9\u8c61\u3002<\/span>
\n const<\/span> file =<\/span> fileIo.<\/span>openSync<\/span>(<\/span>item.<\/span>url,<\/span> fileIo.<\/span>OpenMode.<\/span>READ_ONLY<\/span>)<\/span>
\n \/\/ \u5c06\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1\u76ee\u5f55<\/span>
\n \/\/ \u76f8\u518c\u5730\u5740 \u4f7f\u7528UUID\u4f5c\u4e3a\u56fe\u7247\u540d<\/span>
\n const<\/span> uniqueName =<\/span> util.<\/span>generateRandomUUID<\/span>(<\/span>)<\/span> +<\/span> '.jpg'<\/span>
\n \/\/ \u5c06\u76f8\u518c\u6587\u4ef6\u62f7\u8d1d\u5230\u6c99\u7bb1<\/span>
\n fileIo.<\/span>copyFileSync<\/span>(<\/span>file.<\/span>fd,<\/span> saveDir +<\/span> '\/'<\/span> +<\/span> uniqueName)<\/span>
\n fileParams.<\/span>push<\/span>(<\/span>{<\/span>
\n filename:<\/span> uniqueName,<\/span> \/\/ \u6587\u4ef6\u540d\u79f0<\/span>
\n name:<\/span> 'file'<\/span>,<\/span> \/\/ \u63a5\u53e3\u7684\u53c2\u6570\u540d<\/span>
\n type:<\/span> 'jpg'<\/span>,<\/span> \/\/ \u6587\u4ef6\u540e\u7f00<\/span>
\n uri:<\/span> `<\/span>internal:\/\/cache\/<\/span>${<\/span>uniqueName}<\/span><\/span>`<\/span><\/span>\/\/ \u5e94\u8be5\u662f\u6587\u4ef6\u653e\u5230cache\u76ee\u5f55\u4e0b \u5982\u679c\u662fcache\u534f\u8bae \u5b83\u4f1a\u81ea\u52a8\u627e\u8fd9\u4e2a\u6587\u4ef6<\/span>
\n }<\/span>)<\/span>
\n \/\/ \u62f7\u8d1d\u5b8c\u5173\u95ed\u6587\u4ef6<\/span>
\n fileIo.<\/span>closeSync<\/span>(<\/span>file.<\/span>fd)<\/span>
\n }<\/span>)<\/span>
\n \/\/ AlertDialog.show({ message: JSON.stringify(fileParams) })<\/span>
\n return<\/span> await<\/span> uploadImage<\/span>(<\/span>getContext<\/span>(<\/span>)<\/span>,<\/span> fileParams)<\/span>
\n}<\/span><\/p>\n

\u6709\u4e0d\u8db3\u4e4b\u5904\u6b22\u8fce\u5927\u5bb6\u6307\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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