{"id":7172,"date":"2023-03-20T12:18:34","date_gmt":"2023-03-20T03:18:34","guid":{"rendered":"https:\/\/www.sria.co.jp\/blog\/?p=7172"},"modified":"2023-03-20T12:26:12","modified_gmt":"2023-03-20T03:26:12","slug":"laravel-validation-error","status":"publish","type":"post","link":"https:\/\/www.sria.co.jp\/blog\/2023\/03\/laravel-validation-error\/","title":{"rendered":"Laravel\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6642\u306b$error\u306b\u52a0\u3048\u3066\u4ed6\u306e\u5909\u6570\u3082\u8fd4\u5374\u3057\u305f\u3044\u5834\u5408"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\u3001\u9060\u85e4\u3067\u3059\u3002<\/p>\n

Laravel\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066blade\u306b$error\u306b\u52a0\u3048\u3066\u4ed6\u306e\u5909\u6570\u3082\u8fd4\u5374\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u6642\u306b\u3064\u307e\u305a\u3044\u305f\u306e\u3067\u3001\u3064\u307e\u305a\u3044\u305f\u70b9\u3068\u89e3\u6c7a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n

 <\/p>\n

    \n
  1. \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6642\u306bold()\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u3044<\/li>\n
  2. $error\u306b\u52a0\u3048\u3066\u4ed6\u306e\u5909\u6570\u3082\u8fd4\u5374\u3059\u308b\u65b9\u6cd5<\/li>\n
  3. blade\u3067\u8868\u793a\u3059\u308b\u65b9\u6cd5<\/li>\n<\/ol>\n

    1. \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6642\u306bold()\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u3044<\/h2>\n

    Laravel\u3067\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n

    \n
    \/\/ \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\npublic function samplePost( Request $req ) \n{\n  $rules = [\n    'sample1' => ['required'],\n    'sample2' => ['required'],\n    'sample3' => ['required'],\n    'sample4' => ['required'],\n  ];\n  \n  $validator = Validator::make( $req->all(), $rules );\n\n  if ($validator->fails())\n  {\n    return redirect()->back()->withErrors($validator)->withInput();\n  }\n}\n\n\/\/ \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\n@if ($errors->any())\n
    \n  
      \n    @foreach ($errors->all() as $error)\n     
    1. {{ $error }}<\/li>\n    @endforeach\n  <\/ol>\n<\/div>\n@endif\n\n\n\n<\/code><\/pre>\n<\/div>\n
      \u3057\u304b\u3057\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u4f7f\u7528\u3057\u3066\u3044\u305fW2UI\u3068\u3044\u3046JS\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4ed5\u69d8\u306b\u3088\u308a\u3001old()\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u3044\u3068\u3044\u3046\u4e8b\u8c61\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b\u3089$error\u306b\u52a0\u3048\u3066\u5fc5\u8981\u306a\u60c5\u5831\u3092\u8fd4\u5374\u3057\u3066\u3001old()\u306e\u4ee3\u308f\u308a\u306b\u547c\u3073\u51fa\u3057\u3066\u8868\u793a\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
      2. $error\u306b\u52a0\u3048\u3066\u4ed6\u306e\u5909\u6570\u3082\u8fd4\u5374\u3059\u308b\u65b9\u6cd5<\/h2>\n
      \u4ee5\u4e0b\u306f\u30bf\u30a4\u30d7\u304c\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3067\u3042\u308bsample3\u3068sample4\u306eold()\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u305d\u308c\u3089\u3092with()\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8fd4\u5374\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n
      \n
      \/\/ \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\npublic function samplePost( Request $req ) \n{\n  $rules = [\n    'sample1' => ['required'],\n    'sample2' => ['required'],\n    'sample3' => ['required'],\n    'sample4' => ['required'],\n  ];\n  \n  $validator = Validator::make( $req->all(), $rules );\n\n  if ($validator->fails())\n  {\n    return redirect()->back()->with([\n      'sample3' => $req->sample3,\n      'sample4' => $req->sample4,\n    ])->withErrors($validator)->withInput();\n  }\n}<\/code><\/pre>\n<\/div>\n
      3. blade\u3067\u8868\u793a\u3059\u308b\u65b9\u6cd5<\/h2>\n
      \u4ee5\u4e0b\u306e\u3088\u3046\u306bsession()\u3092\u4f7f\u7528\u3057\u3066\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n
      \u6700\u521d\u306f$error\u3084veiw()\u3067\u8fd4\u5374\u3057\u305f\u6642\u306e\u3088\u3046\u306b{{ ‘sample3’ }}\u3068\u3059\u308b\u3060\u3051\u3067\u8868\u793a\u3055\u308c\u308b\u304b\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3064\u307e\u305a\u304d\u307e\u3057\u305f\u3002session()\u3067\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u305d\u306e\u4e0a\u3067\u3001session()->has()\u3067\u5206\u5c90\u3057\u306a\u3051\u308c\u3070\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n
      \n
      \/\/ \u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\n@if ($errors->any())\n
      \n  
        \n    @foreach ($errors->all() as $error)\n     
      1. {{ $error }}<\/li>\n    @endforeach\n  <\/ol>\n<\/div>\n@endif\n\n\n@if(session()->has('sample3')) \n  \n@else\n  \n@endif\n@if(session()->has('sample4')) \n  \n@else\n  \n@endif\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
        \u3053\u3093\u306b\u3061\u306f\u3001\u9060\u85e4\u3067\u3059\u3002 Laravel\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u3066blade\u306b$error\u306b\u52a0\u3048\u3066\u4ed6\u306e\u5909\u6570\u3082\u8fd4\u5374\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u6642\u306b\u3064\u307e\u305a\u3044\u305f\u306e\u3067\u3001\u3064\u307e\u305a\u3044\u305f\u70b9\u3068\u89e3\u6c7a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002   \u30d0\u30ea\u30c7\u30fc…<\/p>\n","protected":false},"author":5,"featured_media":7070,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,8],"tags":[186],"_links":{"self":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/7172"}],"collection":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/comments?post=7172"}],"version-history":[{"count":12,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/7172\/revisions"}],"predecessor-version":[{"id":7189,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/posts\/7172\/revisions\/7189"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/media\/7070"}],"wp:attachment":[{"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/media?parent=7172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/categories?post=7172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sria.co.jp\/blog\/wp-json\/wp\/v2\/tags?post=7172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}