{"id":104902,"date":"2024-03-22T09:00:54","date_gmt":"2024-03-22T00:00:54","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot%e3%81%a7%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%a8%e3%83%80%e3%82%a6%e3%83%b3%e3%83%ad%e3%83%bc%e3%83%89%e6%a9%9f%e8%83%bd%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b\/"},"modified":"2024-03-27T00:16:34","modified_gmt":"2024-03-26T15:16:34","slug":"spring-boot%e3%81%a7%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%a8%e3%83%80%e3%82%a6%e3%83%b3%e3%83%ad%e3%83%bc%e3%83%89%e6%a9%9f%e8%83%bd%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot%e3%81%a7%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%a8%e3%83%80%e3%82%a6%e3%83%b3%e3%83%ad%e3%83%bc%e3%83%89%e6%a9%9f%e8%83%bd%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b\/","title":{"rendered":"Spring Boot\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Spring Boot\u3067\u306f\u3001MultipartFile\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3001ResponseEntity\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e\u5b9f\u88c5\u307e\u3067\u306e\u624b\u9806\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u3066\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3001@RequestParam\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u3051\u53d6\u308b\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@PostMapping(\"\/upload\")<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> String <span class=\"hljs-title function_\">uploadFile<\/span><span class=\"hljs-params\">(<span class=\"hljs-meta\">@RequestParam(\"file\")<\/span> MultipartFile file)<\/span> {\r\n    <span class=\"hljs-comment\">\/\/ \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u903b\u8f91<\/span>\r\n    <span class=\"hljs-comment\">\/\/ ...<\/span>\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"\u4e0a\u4f20\u6210\u529f\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>application.properties \u307e\u305f\u306f application.yml \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-attr\">spring:<\/span>\r\n  <span class=\"hljs-attr\">servlet:<\/span>\r\n    <span class=\"hljs-attr\">multipart:<\/span>\r\n      <span class=\"hljs-attr\">max-file-size:<\/span> <span class=\"hljs-string\">10MB<\/span>\r\n      <span class=\"hljs-attr\">max-request-size:<\/span> <span class=\"hljs-string\">10MB<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>\u30d5\u30ed\u30f3\u30c8\u30da\u30fc\u30b8\u306b\u3001enctype\u5c5e\u6027\u3092 multipart\/form-data \u306b\u8a2d\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">form<\/span> <span class=\"hljs-attr\">th:action<\/span>=<span class=\"hljs-string\">\"@{\/upload}\"<\/span> <span class=\"hljs-attr\">method<\/span>=<span class=\"hljs-string\">\"post\"<\/span> <span class=\"hljs-attr\">enctype<\/span>=<span class=\"hljs-string\">\"multipart\/form-data\"<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span> <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"file\"<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"file\"<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span> <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"submit\"<\/span>&gt;<\/span>\u4e0a\u4f20<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">form<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e\u5b9f\u88c5\u306e\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u308b\u306b\u306fPathVariable\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">@GetMapping(\"\/download\/{filename}\")<\/span>\r\n<span class=\"hljs-keyword\">public<\/span> ResponseEntity&lt;Resource&gt; <span class=\"hljs-title function_\">downloadFile<\/span><span class=\"hljs-params\">(<span class=\"hljs-meta\">@PathVariable<\/span> String filename)<\/span> {\r\n    <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u6587\u4ef6\u8def\u5f84<\/span>\r\n    <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">filePath<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"path\/to\/file\/\"<\/span> + filename;\r\n    <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u6587\u4ef6\u8d44\u6e90\u5bf9\u8c61<\/span>\r\n    <span class=\"hljs-type\">Resource<\/span> <span class=\"hljs-variable\">fileResource<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">FileSystemResource<\/span>(filePath);\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u54cd\u5e94\u5934<\/span>\r\n    <span class=\"hljs-type\">HttpHeaders<\/span> <span class=\"hljs-variable\">headers<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">HttpHeaders<\/span>();\r\n    headers.add(HttpHeaders.CONTENT_DISPOSITION, <span class=\"hljs-string\">\"attachment; filename=\"<\/span> + filename);\r\n    \r\n    <span class=\"hljs-keyword\">return<\/span> ResponseEntity.ok()\r\n            .headers(headers)\r\n            .contentLength(fileResource.contentLength())\r\n            .contentType(MediaType.APPLICATION_OCTET_STREAM)\r\n            .body(fileResource);\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>\u30d5\u30ed\u30f3\u30c8\u30da\u30fc\u30b8\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u3092\u8ffd\u52a0\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30ea\u30f3\u30af\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">a<\/span> <span class=\"hljs-attr\">th:href<\/span>=<span class=\"hljs-string\">\"@{\/download\/filename}\"<\/span> <span class=\"hljs-attr\">download<\/span>&gt;<\/span>\u4e0b\u8f7d<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">a<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u306a\u304a\u3001filename \u306f\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u306fSpring Boot\u3067\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u57fa\u672c\u7684\u306a\u624b\u9806\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u306f\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8abf\u6574\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spring Boot\u3067\u306f\u3001MultipartFile\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3001ResponseEntity\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-104902","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spring Boot\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Boot\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Spring Boot\u3067\u306f\u3001MultipartFile\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3001ResponseEntity\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u306e [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3068\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-22T00:00:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-26T15:16:34+00:00\" \/>\n<meta name=\"author\" content=\"\u6d77\u6597, \u8475\" 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