{"id":2458,"date":"2023-06-15T09:00:00","date_gmt":"2023-06-15T00:00:00","guid":{"rendered":"https:\/\/www.miracleave.co.jp\/contents\/?p=2458"},"modified":"2023-06-14T16:15:58","modified_gmt":"2023-06-14T07:15:58","slug":"%e3%80%90casp-net%e3%80%91multipart-form-data%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%99%e3%82%8b%e9%9a%9b%e3%81%ab%e5%b0%91","status":"publish","type":"post","link":"https:\/\/www.miracleave.co.jp\/contents\/2458\/%e3%80%90casp-net%e3%80%91multipart-form-data%e3%81%a7%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%99%e3%82%8b%e9%9a%9b%e3%81%ab%e5%b0%91\/","title":{"rendered":"\u3010C#,ASP.NET\u3011multipart\/form-data\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u969b\u306b\u5c11\u3057\u56f0\u3063\u305f\u8a71"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3053\u3093\u306b\u3061\u306f\u3002S.S\u3067\u3059\u3002<\/p>\n\n\n\n<p><br>\u4eca\u56de\u306fC#(ASP.NET)\u3067\u3001multipart\/form-data\u3092\u7528\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u53d7\u4fe1\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30d5\u30a9\u30eb\u30c0\u306b\u4fdd\u5b58\u3059\u308b\u969b\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u3001\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u51e6\u7406\u306e\u4f5c\u6210\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u5099\u5fd8\u9332\u3092\u517c\u306d\u3066\u8a18\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5b9f\u88c5\u81ea\u4f53\u306f\u516c\u5f0f\u304c\u53c2\u8003\u30da\u30fc\u30b8\u3092\u7528\u610f\u3057\u3066\u304f\u308c\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3059\u3093\u306a\u308a\u5b9f\u88c5\u3067\u304d\u307e\u3057\u305f\u3002(<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/aspnet\/web-api\/overview\/advanced\/sending-html-form-data-part-2\" target=\"_blank\" rel=\"noopener\" title=\"\">\u3053\u3061\u3089<\/a>)<br>MultipartFormDataStreamProvider\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3001<br>await Request.Content.ReadAsMultipartAsync() \u3068\u3059\u308b\u3053\u3068\u3067\u5b9f\u88c5\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-csharp\" data-lang=\"C#\"><code>string path = (&quot;\u4efb\u610f\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5148\u30d5\u30a9\u30eb\u30c0\u30fc&quot;)\nvar provider = new MultipartFormDataStreamProvider(path);\nawait Request.Content.ReadAsMultipartAsync(provider);<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b<\/h2>\n\n\n\n<p>\u4e0a\u8a18\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3092\u5b9f\u88c5\u3057\u3001\u5b9f\u969b\u306bPostman\u3067form-data\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u4fe1\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u300cBodyPart_\u2026\u2026\u300d\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"343\" height=\"69\" src=\"https:\/\/www.miracleave.co.jp\/contents\/wp-content\/uploads\/2023\/05\/image.png\" alt=\"\" class=\"wp-image-2481\" srcset=\"https:\/\/www.miracleave.co.jp\/contents\/wp-content\/uploads\/2023\/05\/image.png 343w, https:\/\/www.miracleave.co.jp\/contents\/wp-content\/uploads\/2023\/05\/image-300x60.png 300w\" sizes=\"(max-width: 343px) 100vw, 343px\" \/><\/figure>\n\n\n\n<p><br>provider.FileData\u304b\u3089\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u53d6\u5f97\u3057\u3001\u4efb\u610f\u306e\u30d5\u30a9\u30eb\u30c0\u306b\u30b3\u30d4\u30fc\u3059\u308c\u3070\u3044\u3044\u3088\u3046\u306a\u306e\u3067\u3059\u304c\u3001\u6700\u521d\u304b\u3089\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3055\u308c\u308b\u3088\u3046\u306b\u3067\u304d\u306a\u3044\u304b\u306a\uff5e\u2026\u3002\u3068\u601d\u3044\u3082\u3046\u5c11\u3057\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MultipartFormDataStreamProvider\u3092\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b<\/h2>\n\n\n\n<p>(<a href=\"https:\/\/stackoverflow.com\/questions\/35210018\/unable-to-change-file-name-after-file-upload-using-webapi-multipartformdatastrea\" target=\"_blank\" rel=\"noopener\" title=\"\">\u3053\u3061\u3089<\/a>)\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br>ReadAsMultipartAsync\u3067\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u6642\u306b\u547c\u3073\u51fa\u3055\u308c\u308bMultipartFormDataStreamProvider\u30af\u30e9\u30b9\u306eGetLocalFileName\u3068\u3044\u3046\u51e6\u7406\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3066\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092Return\u3059\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u826f\u3044\u3002\u3068\u3044\u3046\u3053\u3068\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-csharp\" data-lang=\"C#\"><code>\/\/\/ MultipartFormDataStreamProvider\u3092\u7d99\u627f\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u30af\u30e9\u30b9\nclass MyMultipartFormDataStreamProvider : MultipartFormDataStreamProvider\n{\n    \/\/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    public MyMultipartFormDataStreamprovider(string path):base(path)\n    { }\n\n    \/\/\/ \u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u6642\u547c\u3073\u51fa\u3055\u308c\u308b\u51e6\u7406\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\n    public override string GetLocalFileName(System.Net.http.Headers.HttpContentHeaders headers)\n    {\n       return headers.ContentDisposition.FileName.Trim(&#39;\\&quot;&#39;);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><br>\u4e0a\u8a18\u3067\u4f5c\u6210\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3001await Request.Content.ReadAsMultipartAsync()\u3068\u3059\u308b\u3053\u3068\u3067<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-csharp\" data-lang=\"C#\"><code>string path = (&quot;\u4efb\u610f\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5148\u30d5\u30a9\u30eb\u30c0\u30fc&quot;)\nvar provider = new MyMultipartFormDataStreamProvider(path); \/\/ GetLocalFileName\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u305f\u30ab\u30b9\u30bf\u30e0\u30af\u30e9\u30b9\nawait Request.Content.ReadAsMultipartAsync(provider);<\/code><\/pre><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"260\" height=\"55\" src=\"https:\/\/www.miracleave.co.jp\/contents\/wp-content\/uploads\/2023\/05\/image-1.png\" alt=\"\" class=\"wp-image-2482\"\/><\/figure>\n\n\n\n<p>\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br>\u66f8\u3044\u3066\u307f\u305f\u3089\u3053\u308c\u3060\u3051\u304b\u3002\u3002\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u304c\u3001\u3053\u308c\u3067\u5143\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u76ee\u7684\u9054\u6210\u3067\u3059\u3002\u263a<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002S.S\u3067\u3059\u3002 \u4eca\u56de\u306fC#(ASP.NET)\u3067\u3001multipart\/form-data\u3092\u7528\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u53d7\u4fe1\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30d5\u30a9\u30eb\u30c0\u306b\u4fdd\u5b58\u3059\u308b\u969b\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5 [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":2503,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"swell_btn_cv_data":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[157,156],"class_list":["post-2458","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-asp-net","tag-c"],"jetpack_featured_media_url":"https:\/\/www.miracleave.co.jp\/contents\/wp-content\/uploads\/2023\/06\/computer_folder.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/posts\/2458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/comments?post=2458"}],"version-history":[{"count":7,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/posts\/2458\/revisions"}],"predecessor-version":[{"id":2507,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/posts\/2458\/revisions\/2507"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/media\/2503"}],"wp:attachment":[{"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/media?parent=2458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/categories?post=2458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miracleave.co.jp\/contents\/wp-json\/wp\/v2\/tags?post=2458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}