{"id":1097,"date":"2019-05-11T10:58:19","date_gmt":"2019-05-11T01:58:19","guid":{"rendered":"https:\/\/www.nblog09.com\/w\/?p=1097"},"modified":"2021-11-11T17:44:21","modified_gmt":"2021-11-11T08:44:21","slug":"django_or_404","status":"publish","type":"post","link":"https:\/\/www.nblog09.com\/w\/2019\/05\/11\/django_or_404\/","title":{"rendered":"Django\u306eget_object_or_404,get_list_or_404\u3092\u4f7f\u3063\u3066DB\u304b\u3089\u30ec\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b"},"content":{"rendered":"<p>Django\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u306e\u4e2d\u306b<span class=\"pink_span\">get_object_or_404<\/span>\u3068<span class=\"pink_span\">get_list_or_404<\/span>\u304c\u3042\u308b\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u4ea4\u3048\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"title-border\"><strong><br \/>\nget_object_or_404\u306e\u8a73\u7d30<br \/>\n<\/strong><\/h2>\n<p>get_object_or_404\u3068\u306f\u3001Django\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u306e1\u3064\u3067\u3001\u30e2\u30c7\u30eb\u306b\u5bfe\u3057\u3066get()\u3092\u547c\u3073\u51fa\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30921\u4ef6\u53d6\u5f97\u3059\u308b\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u30e2\u30c7\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306b\u306f\u3001<span class=\"pink_span\">django.http.Http404\u3092\u9001\u4fe1\u3057\u3066\u753b\u9762\u304cPage not found(404)\u30da\u30fc\u30b8\u306b\u9077\u79fb\u3055\u308c\u308b\u3002<\/span><\/p>\n<p>\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8f09\u3059\u308b\u3002<\/p>\n<div class=\"programming-inside\">\nmyobject = get_object_or_404(MyModel, pk=1)<strong> # pk=1\u306e\u3082\u306e\u30921\u4ef6\u53d6\u5f97<\/strong><\/p>\n<\/div>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001MyModel\u30e2\u30c7\u30eb\u304b\u3089pk=1\u306e\u3082\u306e\u304c\u8fd4\u3055\u308c\u3066myobject\u5909\u6570\u306b\u683c\u7d0d\u3057\u3001<span class=\"pink_span\">pk=1\u306e\u3082\u306e\u304c\u4eee\u306b\u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u306b\u306fHttp404<\/span>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3001<span class=\"pink_span\">pk=1\u306e\u3082\u306e\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u5834\u5408\u3001pk=1\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3046\u30611\u3064\u3060\u3051\u8fd4\u3055\u308c\u308b\u3002<\/span><\/p>\n<p>\u305d\u306e\u305f\u3081\u3001get_object_or_404\u306f<span class=\"pink_span\">\u8907\u6570\u306e\u5024\u3092\u30ea\u30b9\u30c8\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a<\/span>\u3001\u30ea\u30b9\u30c8\u53d6\u5f97\u3092\u3059\u308b\u5834\u5408\u306b\u306f\u5f8c\u8ff0\u3059\u308bget_list_or_404\u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8f09\u3059\u308b\u3068<span class=\"pink_span\">\u8907\u6570\u306e\u30ad\u30fc\u304b\u3089\u5024\u3092\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/span><br \/>\n(\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u8907\u6570\u306e\u30ab\u30e9\u30e0\u3067\u4e3b\u30ad\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30ec\u30b3\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u969b\u306b\u6709\u7528)<\/p>\n<div class=\"programming-inside\">\nmyobject = get_object_or_404(MyModel, pk=1, name='aaaa')<strong> # pk=1, name='aaaa'\u306e\u3082\u306e\u30921\u4ef6\u53d6\u5f97<\/strong>\n<\/div>\n<p>\u3061\u306a\u307f\u306b\u5024\u304c\u5b58\u5728\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306aHttp404\u306e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1099 aligncenter\" src=\"https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/05\/or_404.png\" alt=\"\" width=\"390\" height=\"343\" srcset=\"https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/05\/or_404.png 869w, https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/05\/or_404-300x264.png 300w, https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/05\/or_404-768x676.png 768w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><\/p>\n<h2 class=\"title-border\"><strong><br \/>\nget_list_or_404\u306e\u8a73\u7d30<br \/>\n<\/strong><\/h2>\n<p>get_object_or_404\u306f\u30ad\u30fc\u304b\u3089\u5024\u30921\u3064\u53d6\u5f97\u3059\u308b\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u3060\u3063\u305f\u304c\u3001get_list_or_404\u306f<span class=\"pink_span\">\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u304b\u3051\u3066\u30ea\u30b9\u30c8\u3068\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u3067\u3042\u308b\u3002<\/span><\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8f09\u3059\u308b\u3002<\/p>\n<div class=\"programming-inside\">\nmyobject = get_list_or_404(MyModel, pk=1)<strong>\u3000# pk=1\u3082\u306e\u3092\u5168\u3066\u53d6\u5f97, class\u306fList<\/strong><br \/>\n<strong>\u3000# myobject[0]\u3068\u3059\u308b\u3068\u4e00\u3064\u76ee\u306e\u5024\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong>\n<\/div>\n<p>\u307e\u305f\u3001\u8907\u6570\u306e\u30ad\u30fc\u3092\u6307\u5b9a\u3057\u3066\u5024\u3092\u7d5e\u308a\u8fbc\u3080\u306e\u3082get_object_or_404\u3068\u540c\u69d8\u306e\u3084\u308a\u65b9\u3067\u884c\u3046\u3002<\/p>\n<div class=\"programming-inside\">\nmyobject = get_list_or_404(MyModel, pk=1, name='aaa')<strong> # pk=1, name='aaa'\u3082\u306e\u3092\u5168\u3066\u53d6\u5f97, class\u306fList<\/strong><br \/>\n<strong># myobject[0]\u3068\u3059\u308b\u3068\u4e00\u3064\u76ee\u306e\u5024\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b<\/strong>\n<\/div>\n<h2 class=\"title-border\"><strong><br \/>\n\u307e\u3068\u3081<br \/>\n<\/strong><\/h2>\n<ul>\n<li>Django\u306b\u306f\u3001\u30e2\u30c7\u30eb\u304b\u3089\u5024\u3092\u53d6\u5f97\u3059\u308b\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u3068\u3057\u3066get_object_or_404\u3068get_list_or_404\u304c\u5b58\u5728<\/li>\n<li>get_object_or_404\u306f\u5024\u3092\u4e00\u4ef6\u53d6\u5f97\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001Http404\u30da\u30fc\u30b8\u3092\u8868\u793a<\/li>\n<li>get_list_or_404\u306f\u5024\u3092\u3059\u3079\u3066\u53d6\u5f97\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001Http404\u30da\u30fc\u30b8\u3092\u8868\u793a<\/li>\n<\/ul>\n<div class=\"django-adsense\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Django\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u306e\u4e2d\u306bget_object_or_404\u3068get_list_or_404\u304c\u3042\u308b\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u4ea4\u3048\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002 get_object_or_404\u306e\u8a73\u7d30 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":828,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[121],"tags":[122,14],"class_list":{"0":"post-1097","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-django","8":"tag-django","9":"tag-python","10":"entry"},"uagb_featured_image_src":{"full":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",1280,853,false],"thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280-150x150.jpg",150,150,true],"medium":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280-768x512.jpg",768,512,true],"large":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280-1024x682.jpg",1024,682,true],"1536x1536":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",1280,853,false],"2048x2048":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",1280,853,false],"home-middle":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",525,350,false],"home-top":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",630,420,false],"sidebar-thumbnail":["https:\/\/www.nblog09.com\/w\/wp-content\/uploads\/2019\/04\/businessman-2108029_1280.jpg",100,67,false]},"uagb_author_info":{"display_name":"9nmatsumoto","author_link":"https:\/\/www.nblog09.com\/w\/author\/9nmatsumoto\/"},"uagb_comment_info":6,"uagb_excerpt":"Django\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u95a2\u6570\u306e\u4e2d\u306bget_object_or_404\u3068get_list_or_404\u304c\u3042\u308b&hellip;","_links":{"self":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/1097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/comments?post=1097"}],"version-history":[{"count":12,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/1097\/revisions"}],"predecessor-version":[{"id":3804,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/posts\/1097\/revisions\/3804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media\/828"}],"wp:attachment":[{"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/media?parent=1097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/categories?post=1097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nblog09.com\/w\/wp-json\/wp\/v2\/tags?post=1097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}