{"id":993,"date":"2011-01-04T23:40:16","date_gmt":"2011-01-04T14:40:16","guid":{"rendered":"http:\/\/www.kazu.tv\/blog\/?p=993"},"modified":"2013-09-16T21:20:38","modified_gmt":"2013-09-16T12:20:38","slug":"lift_fileupload","status":"publish","type":"post","link":"https:\/\/kazu.tv\/blog\/2011\/01\/04\/lift_fileupload\/","title":{"rendered":"Lift\u3067\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9"},"content":{"rendered":"

Scala\u3067\u66f8\u304b\u308c\u305fWeb\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bLift<\/a>\u3092\u6700\u8fd1\u7d50\u69cb\u89e6\u3063\u3066\u3044\u308b\u3002\u65e5\u672c\u8a9e\u306e\u60c5\u5831\u306f\u304a\u308d\u304b\u3001\u82f1\u8a9e\u306e\u60c5\u5831\u3082\u305d\u308c\u7a0b\u8c4a\u5bcc\u306a\u8a33\u3058\u3083\u306a\u3044\u3093\u3060\u3051\u3069\u3001\u8272\u3005\u8abf\u3079\u306a\u304c\u3089\u3063\u3066\u306e\u304c\u7d50\u69cb\u9762\u767d\u3044\u3002<\/p>\n

\u25a0\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u57fa\u672c<\/h3>\n

\u4eca\u56de\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3002"Lift \u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9"\u3067\u691c\u7d22\u3059\u308b\u3068\u3053\u306e\u30da\u30fc\u30b8<\/a>\u304c\u51fa\u3066\u304d\u305f\u3002<\/p>\n

Shtml.fileUpload \u3092\u4f7f\u3046\u3068\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u53d6\u5f97\u3067\u304d\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u716e\u308b\u306a\u308a\u713c\u304f\u306a\u308a\u3002\u8a73\u3057\u304f\u306f\u5148\u307b\u3069\u306e\u30da\u30fc\u30b8\u3092\u53c2\u7167\u3002\u3042\u308b\u3044\u306fExploring Lift\u306e\u3053\u306e\u8fba<\/a>\u3002<\/p>\n

<\/p>\n

\u25a0CRUD\u3068\u7d44\u307f\u5408\u308f\u305b<\/h3>\n

Lift\u3067CRUD\u3092\u3084\u308b\u306b\u306fCRUDify\u3068\u3044\u3046trait\u3092\u4f7f\u3046\u3002\u4ee5\u524dCRUDify\u306b\u95a2\u3059\u308b\u30a8\u30f3\u30c8\u30ea<\/a>\u3092\u66f8\u3044\u305f\u306e\u3067\u3001\u305d\u3061\u3089\u3092\u53c2\u7167\u3002<\/p>\n

Model\u306b\u30d0\u30a4\u30ca\u30ea\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u3061\u3087\u3063\u3068\u4f55\u304b\u3084\u308c\u3070\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u5b9f\u73fe\u3067\u304d\u308b\u304b\u3001\u3068\u3044\u3046\u3068\u5b9f\u306f\u305d\u3093\u306a\u4e8b\u306f\u306a\u304f\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u70b9\u304c\u3042\u308b\u3002<\/p>\n

1\u3064\u3081\u306f\u4e9b\u7d30\u306a\u554f\u984c\u3060\u3051\u3069\u3001CRUDify\u3067\u4f5c\u3089\u308c\u308b<form>\u30bf\u30b0\u306bmultipart\u5c5e\u6027\u304c\u4ed8\u3044\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u3002ML\u306b\u3082\u540c\u69d8\u306e\u8a71\u984c\u304c\u3042\u308a\u89e3\u6c7a\u7b56\u3082\u305d\u3053\u3067\u63d0\u793a\u3055\u308c\u3066\u3044\u308b\uff08\u3053\u3061\u3089<\/a>\uff09\u3002_createTemplate\u3068_editTemplate\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u3066\u5c5e\u6027\u3092\u3064\u3051\u308b\u3068\u3044\u3046\u3001\u307e\u3041\u304b\u306a\u308a\u76f4\u63a5\u7684\u306a\u3084\u308a\u65b9\u3002<\/p>\n

\nobject Foo extends Foo with LongKeyedMetaMapper[Foo] with CRUDify[Long, Foo] {\nimport xml.{ NodeSeq, Text, UnprefixedAttribute, Null }\noverride def _createTemplate = super._createTemplate %\nnew UnprefixedAttribute("multipart", Text("true"), Null)\noverride def _editTemplate = super._editTemplate %\nnew UnprefixedAttribute("multipart", Text("true"), Null)\n}\n<\/pre>\n
\u3053\u308c\u3067\u5024\u304c\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u4e00\u822c\u7684\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u306f\u3001\u30d5\u30a1\u30a4\u30eb\uff08\u3084\u305d\u306e\u4ed6\u306eStream\uff09\u306b\u66f8\u304d\u8fbc\u3080\u304bDB\u306b\u66f8\u304d\u8fbc\u3080\u304b\u306e\u3069\u3061\u3089\u304b\u3060\u3068\u601d\u3046\u3002<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u4f8b\u306f\u3053\u3061\u3089<\/a>\u306b\u51fa\u3066\u308b\u3002DB\u306b\u66f8\u304d\u8fbc\u3080\u4f8b\u306f\u3001\u307e\u3068\u307e\u3063\u3066\u308b\u60c5\u5831\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u6b21\u306e\u9805\u3067\u8aac\u660e\u3002<\/p>\n
\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u95a2\u3059\u308b\u6ce8\u610f\u4e8b\u9805\u3068\u3057\u3066\u3001Shtml.fileUpload\u306f\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3055\u308c\u3066\u304b\u3089\u30bb\u30c3\u30c8\u3055\u308c\u308b\u306e\u3067\u3001\u5de8\u5927\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u306f\u4f7f\u3048\u306a\u3044\u3002\u5de8\u5927\u306a\u30d5\u30a1\u30a4\u30eb\u3092Stream\u3067\u53d7\u3051\u53d6\u308a\u3064\u3064\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u3068\u8a00\u3046\u4e8b\u306f\u51fa\u6765\u306a\u3044\u3002<\/p>\n
\u25a0\u53d7\u3051\u53d6\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u3092DB\u306b\u66f8\u304d\u8fbc\u3080<\/h3>\n
\u3082\u3063\u3068\u826f\u3044\u65b9\u6cd5\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\u3001\u3068\u308a\u3042\u3048\u305a\u81ea\u5206\u304c\u3084\u3063\u305f\u65b9\u6cd5\u3002\u4e0a\u306e\u65b9\u3067\u7d39\u4ecb\u3057\u305fML\u306e\u3084\u308a\u3068\u308a<\/a>\u3092\u53c2\u8003\u306b\u3057\u305f\u3002<\/p>\n
Model\u306b\u30d0\u30a4\u30ca\u30ea\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u305d\u306e\u30d0\u30a4\u30ca\u30ea\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30bb\u30c3\u30c8\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n
\nclass Foo extends LongKeyedMapper[Foo] with IdPK {\ndef getSingleton = Foo\nobject name extends MappedString(this, 20)\n\/\/ \u753b\u50cf\u3092\u683c\u7d0d\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\nobject image extends MappedBinary(this) {\noverride def dbDisplay_? = false\noverride def writePermission_? = true\n}\n\/\/ \u753b\u50cf\u306e\u30d1\u30b9\u3092\u683c\u7d0d\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\nobject imagePath extends MappedBinary(this.asInstanceOf[MapperType]) {\ndef notEmpty(input: String) = {\nif (input.isEmpty) {\n\/\/\u30d5\u30a1\u30a4\u30eb\u304c\u7a7a\n}\nelse Nil\n}\noverride def _toForm = {\nFull(SHtml.fileUpload(saveFile _))\n}\noverride def displayName = "file"\n}\n\/\/ \u53d7\u3051\u53d6\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u30bb\u30c3\u30c8\nprivate def saveFile(fp: FileParamHolder): Unit = {\nprintln("*** saveFile ***")\nfp.file match {\ncase null => {\nprintln("saveFile: null")\n}\ncase x if x.length == 0 => {\nprintln("saveFile: empty file")\n}\ncase _ => {\nprintln("saveFile: default")\n\/\/ \u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5224\u5225\u3059\u308b\n\/\/ ImageHandler\u306e\u30b3\u30fc\u30c9\u306f\u3001\u3053\u3053\u3067\u306f\u7701\u7565\ncode.lib.ImageHandler.getFormatName(fp.file) match {\ncase Some(format) => {\nthis.image(fp.file)\nthis.imageFormat(format)\n}\ncase _ => println("invalid file format?")\n}\n}\n}\n}\n\/\/ \u753b\u50cf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff08jpeg, gif, png etc.\uff09\nobject imageFormat extends MappedString(this, 4) {\noverride def dbDisplay_? = false\n}\n}<\/pre>\n
 \u25a0\u304a\u308f\u308a\u306b<\/h3>\n
\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u753b\u50cf\u3092DB\u306b\u683c\u7d0d\u3059\u308b\u3068\u3053\u308d\u306f\u4ee5\u4e0a\u3067\u5b8c\u4e86\u3002\u5f8c\u306f\u3001\u305d\u308c\u3092\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u305f\u3044\u3002\u305d\u308c\u306b\u3064\u3044\u3066\u306f\u4eca\u5f8c\u66f8\u304f\u4e88\u5b9a\u3002\u3053\u306e\u8fba<\/a>\u3068\u304b\u53c2\u8003\u306b\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Scala\u3067\u66f8\u304b\u308c\u305fWeb\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bLift\u3092\u6700\u8fd1\u7d50\u69cb\u89e6\u3063\u3066\u3044\u308b\u3002\u65e5\u672c\u8a9e\u306e\u60c5\u5831\u306f\u304a\u308d\u304b\u3001\u82f1\u8a9e\u306e\u60c5\u5831\u3082\u305d\u308c\u7a0b\u8c4a\u5bcc\u306a\u8a33\u3058\u3083\u306a\u3044\u3093\u3060\u3051\u3069\u3001\u8272\u3005\u8abf\u3079\u306a\u304c\u3089\u3063\u3066\u306e\u304c\u7d50\u69cb\u9762\u767d\u3044\u3002 \u25a0\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u57fa\u672c \u4eca\u56de\u306f\u30d5\u30a1\u30a4…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[20],"tags":[833,840,17,947],"class_list":["post-993","post","type-post","status-publish","format-standard","hentry","category-scala","tag-crudify","tag-fileupload","tag-lift","tag-scala"],"_links":{"self":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts\/993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/comments?post=993"}],"version-history":[{"count":1,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts\/993\/revisions"}],"predecessor-version":[{"id":1153,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/posts\/993\/revisions\/1153"}],"wp:attachment":[{"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/media?parent=993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/categories?post=993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kazu.tv\/blog\/wp-json\/wp\/v2\/tags?post=993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}