2024-01-03 \u8a18\u8f09
\u6982\u8981 : Laravel\u3092\u5c11\u3057\u89e6\u3063\u3066\u306e\u611f\u60f3(\u5c0f\u898f\u6a21\u30b5\u30a4\u30c8\u69cb\u7bc9\u5411\u3051)
Keyword : Laravel, MVC\u306e\u30d0\u30e9\u30f3\u30b9<\/p>\n\n\n\n
\u63b2\u793a\u677f\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u3063\u305f\u3060\u3051\u3067\u3059\u304c\u3001\u73fe\u6642\u70b9\u3067\u306eLaravel\u3092\u5c11\u3057\u89e6\u3063\u3066\u306e\u611f\u60f3\u3092\u307e\u3068\u3081\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u25cfnullable \u3068 default \u3042\u305f\u308a\u304c\u3001\u3084\u3084\u8b0e
Model\u306e\u5b9a\u7fa9\u3001\u30cc\u30eb\u8a31\u53ef->nullable() \u3068 \u30c7\u30d5\u30a9\u30eb\u30c8\u5024->default(‘default_value’)
\u306e\u8a2d\u5b9a\u3001\u3053\u308c\u306b”\u7a7a\u6587\u5b57\u306e\u66f4\u65b0\u304c\u304b\u3089\u3093\u3067\u3001null\u7cfb\u306e\u30a8\u30e9\u30fc\u306b\u5c11\u3057\u60a9\u307e\u3055\u308c\u307e\u3057\u305f\u3002
$request->input(‘colName’)\u304cnull\u306a\u3089\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u4f7f\u3063\u3066\u307b\u3057\u3044\u306e\u3067\u3059\u304c\u3001\u4f7f\u3063\u3066\u304f\u308c\u306a\u304f\u3066\u3001\u7d50\u5c40\u3001
$lv_table->colName = $request->input(‘colName’) ?? ‘default_value’;
\u3068null\u5408\u4f53\u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u3053\u3068\u3067null\u7cfb\u306e\u30a8\u30e9\u30fc\u306f\u6d88\u3048\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u306a\u3089Model\u306e->nullable()\u3068\u304b->default(‘default_value’)\u306f\u4e00\u5207\u7701\u304d\u307e\u3059\u306d\u3001\u3068\u306a\u3063\u3066\u3001\u305d\u3046\u3057\u307e\u3057\u305f\u3002
\u7d50\u679c\u3001Model\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u3063\u305f\u306e\u3067\u3088\u3057\u3068\u3057\u3001\u3053\u308c\u3092\u4eca\u5f8c\u30de\u30a4Laravel\u6d41\u3068\u3057\u307e\u3059\u3002
\u25cfEloquent\u306f\u4fbf\u5229\u305d\u3046\u3067\u3059\u304c\u899a\u3048\u3066\u3089\u308c\u306a\u3044\u306e\u3067
SELECT\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u304f\u308c\u308b\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u304b\u306a\u308a\u4fbf\u5229\u3067\u3059\u3002\u3067\u3059\u304c\u899a\u3048\u3066\u3089\u308c\u306a\u3044\u306e\u3067\u4ee5\u4e0b\u3002
$sql=’SELECT * FROM lv_table WHERE id=777′;
foreach(DB::select($sql) as $lv_table) {
}
DB::select() \u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u901a\u7528\u3059\u308bSQL\u306a\u3093\u3067\u3082\u304b\u3093\u3067\u3082\u6295\u3052\u308c\u3066\u6700\u5f37\u3067\u3059\u3002\u3053\u308c\u4e00\u672c\u3067\u3088\u308d\u3057\u3044\u3067\u3059\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u5f8c\u30de\u30a4Laravel\u6d41\u3068\u3057\u307e\u3059\u3002
\u3061\u3087\u3063\u3068\u4e0d\u4fbf\u3060\u3063\u305f\u306e\u306f\u3001SQL\u3067\u81ea\u5df1\u7d50\u5408\u3055\u305b\u305f\u5834\u5408\u3001
lv_table AS t1 …JOIN lv_table AS t2 \u3068\u3057\u3066\u3082\u3001\u30ab\u30e9\u30e0\u540d\u304c t1.colName \u3068\u304bt1_colName \u306b\u306f\u306a\u3063\u3066\u304f\u308c\u305a\u3001\u9023\u60f3\u914d\u5217\u5185\u3067t1\u30ab\u30e9\u30e0\u306ft2\u30ab\u30e9\u30e0\u306b\u4e0a\u66f8\u304d\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u3002\u3053\u308c\u306f\u3001t1\u30ab\u30e9\u30e0\u3092\u3059\u3079\u3066 AS t1_colName \u3068\u66f8\u3051\u3070\u3059\u3080\u3053\u3068\u3002\u307e\u3041\u305d\u3053\u306f\u59a5\u5354\u3057\u3066\u3082\u3088\u3057\u3067\u3059\u3002
\u25cfView\u3067@\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u591a\u7528\u3059\u3079\u304d\u304b\u3069\u3046\u304b
\u3053\u308c\u306fLaravel\u306b\u9650\u3089\u305a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5168\u4f53\u3067\u8a00\u3048\u308b\u3053\u3068\u3067\u3001\u3064\u307e\u308a\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u845b\u85e4\u306a\u308f\u3051\u3067\u3059\u304c\u3002
View\u3067\u4f7f\u3048\u308b@\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u4e00\u901a\u308a\u63c3\u3063\u3066\u3044\u308b\u304a\u304b\u3052\u3067\u3001\u304b\u306a\u308a\u30ed\u30b8\u30c3\u30af\u3092\u5165\u308c\u8fbc\u3093\u3067\u3057\u307e\u3048\u307e\u3059\u3002\u6c17\u3065\u3051\u3070\uff11\u30d5\u30a1\u30a4\u30eb\u306eView\u3067CRUD\u304c\u3053\u306a\u305b\u3066\u3001\u3064\u3089\u308c\u3066Controller\u3082\uff11\u30d5\u30a1\u30a4\u30eb\u3002\u53ef\u8aad\u6027\u306f\u660e\u3089\u304b\u306b\u843d\u3061\u307e\u3057\u305f\u3002
\u3068\u306f\u3044\u3048\u4f3c\u305f\u308a\u5bc4\u3063\u305f\u308a\u306a\u30ed\u30b8\u30c3\u30af\u3092\u3042\u3061\u3053\u3061\u306b\u66f8\u3044\u3066\u3044\u306a\u3044\u5206\u3001\u751f\u7523\u6027\u3084\u4fdd\u5b88\u6027\u306f\u5411\u4e0a\u3057\u3066\u3044\u3066\u3001\u60aa\u3044\u3053\u3068\u3067\u306f\u306a\u3044\u3067\u3059\u3002\u3069\u3061\u3089\u3092\u9078\u3076\u304b\u306e\u554f\u984c\u3002
\u5c0f\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u3067\u958b\u767a\u8005\u304c\u5c11\u4eba\u6570(\u4e00\u4eba)\u306a\u3089\u3001View\u3067@\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u591a\u7528\u3082\u3042\u308a\u304b\u306a\u3001\u3068\u8003\u3048\u307e\u3059\u3002
Controller\u3067\u5224\u5b9a\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u3001View\u306f\u5224\u5b9a\u30d5\u30e9\u30b0\u3092\u898b\u308b\u3060\u3051\u306e\u30ed\u30b8\u30c3\u30af\u3067\u51e6\u7406\u3092\u632f\u308a\u5206\u3051\u3066\u591a\u69d8\u306a\u30e2\u30fc\u30c9\u3092\u3053\u306a\u3059\u3002\u305d\u306e\u6d41\u308c\u3092\u4eca\u5f8c\u30de\u30a4Laravel\u6d41\u3068\u3057\u307e\u3059\u3002
\u307e\u305f\u5b66\u7fd2\u3092\u3059\u3059\u3081\u308c\u3070\u5909\u308f\u3063\u3066\u304f\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u4eca\u3057\u304b\u66f8\u3051\u306a\u3044\u4eca\u306e\u611f\u60f3\u3068\u3044\u3046\u3053\u3068\u3067\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Laravel\u3092\u5c11\u3057\u89e6\u3063\u3066\u306e\u3001\u4eca\u3057\u304b\u66f8\u3051\u306a\u3044\u4eca\u306e\u611f\u60f3\u3002<\/p>\n","protected":false},"author":1,"featured_media":823,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"wp-custom-template-x24-index","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[118,126,23],"_links":{"self":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts\/846"}],"collection":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/comments?post=846"}],"version-history":[{"count":0,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/posts\/846\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/media\/823"}],"wp:attachment":[{"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/media?parent=846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/categories?post=846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/web.cloudfree.jp\/journal\/wp-json\/wp\/v2\/tags?post=846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}