{"id":30777,"date":"2023-08-04T21:47:45","date_gmt":"2023-11-22T20:29:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/trait-%e5%9c%a8-php-%e4%b8%ad%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/"},"modified":"2025-08-12T20:46:38","modified_gmt":"2025-08-12T12:46:38","slug":"trait-%e5%9c%a8-php-%e4%b8%ad%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/trait-%e5%9c%a8-php-%e4%b8%ad%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/","title":{"rendered":"Trait \u5728 PHP \u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"<h2>&#8220;Trait&#8221; \u662f\u4ec0\u4e48\u610f\u601d?<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PHP 5.4.0 \u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u518d\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u3044\u304f\u3064\u304b\u306e\u30e1\u30bd\u30c3\u30c9\u7fa4\u3092\u7570\u306a\u308b\u30af\u30e9\u30b9\u968e\u5c64\u306b\u3042\u308b\u72ec\u7acb\u3057\u305f\u30af\u30e9\u30b9\u3067\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/ul>\n<h3>\u4e0e\u8bfe\u7a0b\u7684\u533a\u522b<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Trait \u306e\u76ee\u7684\u306f\u3042\u304f\u307e\u3067\u3082\u6a5f\u80fd\u3092\u307e\u3068\u3081\u308b\u305f\u3081\u3060\u3051\u306b\u9650\u5b9a\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/ul>\n<h3>\u4f7f\u7528\u7684\u597d\u5904<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u591a\u91cd\u7d99\u627f\u3084 Mixin \u306b\u95a2\u9023\u3059\u308b\u3042\u308a\u304c\u3061\u306a\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u632f\u308b\u821e\u3044\u3092\u6c34\u5e73\u65b9\u5411\u3067\u69cb\u6210\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/ul>\n<h3>\u4f18\u5148\u6b21\u5e8f<\/h3>\n<p>\u5f53\u524d\u57fa\u7c7b\u7684\u65b9\u6cd5 \u2192 \u7279\u8d28\u7684\u65b9\u6cd5 \u2192 \u7ee7\u627f\u7684\u7c7b\u7684\u65b9\u6cd5<\/p>\n<h3>\u8bd5\u7528\u4e00\u4e0b\u3002<\/h3>\n<p>\u56e0\u4e3a\u7b80\u5355\u7684\u4f8b\u5b50\u5df2\u7ecf\u4ee5\u516c\u5f0f\u7684\u5f62\u5f0f\u5199\u51fa\u6765\u4e86\uff0c\u6240\u4ee5\u6211\u5728\u8fd9\u91cc\u53ea\u662f\u603b\u7ed3\u4e00\u4e0b\u5f53\u6211\u4eec\u5c1d\u8bd5\u4fdd\u5b58\u503c\u65f6\u5982\u4f55\u5bf9\u81ea\u5b9a\u4e49\u8bf7\u6c42\u8fdb\u884c\u9a8c\u8bc1\u7684\u5904\u7406\u7684\u53ef\u80fd\u60c5\u51b5\u3002<br \/>\n\u6211\u4f7f\u7528\u7684\u6846\u67b6\u662flaravel5.5\u3002<\/p>\n<h4>\u4e4b\u524d<\/h4>\n<pre class=\"post-pre\"><code><span class=\"kn\">use<\/span> <span class=\"nc\">Illuminate\\Validation\\Validator<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">CustomRequest<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">BaseRequest<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"cd\">\/**\r\n     * @param  Validator  $validator\r\n     *\/<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">withValidator<\/span><span class=\"p\">(<\/span><span class=\"kt\">Validator<\/span> <span class=\"nv\">$validator<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">after<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span> <span class=\"p\">(<\/span><span class=\"kt\">Validator<\/span> <span class=\"nv\">$validator<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nv\">$inputs<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">validatedValues<\/span><span class=\"p\">();<\/span>\r\n\r\n            <span class=\"c1\">\/\/ \u3053\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092Trait\u3067\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046  ---------<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$inputs<\/span><span class=\"p\">[<\/span><span class=\"s1\">'sample'<\/span><span class=\"p\">][<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">])<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">errors<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'error message.'<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"c1\">\/\/ ---------------------------------------------------------<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">messages<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">isEmpty<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"p\">});<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">use<\/span> <span class=\"nc\">Illuminate\\Database\\Eloquent\\Model<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"cd\">\/**\r\n * Class Sample\r\n * Sample\u30c6\u30fc\u30d6\u30eb\u3092\u64cd\u4f5c\u3059\u308bModel\u30af\u30e9\u30b9\u3067\u3059\u3002\r\n *\/<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">Sample<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Model<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ Eloquent save etc...<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5728\u8fd9\u4e4b\u540e<\/h4>\n<p>\u6211\u5c06\u5728\u4e0eCustomRequest\u76f8\u540c\u7684\u7ea7\u522b\u4e0a\u521b\u5efa\u4e00\u4e2aTrait\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">use<\/span> <span class=\"nc\">Illuminate\\Validation\\Validator<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"cd\">\/**\r\n * Trait CustomValidationRule\r\n *\/<\/span>\r\n<span class=\"kd\">trait<\/span> <span class=\"nc\">CustomValidationRule<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"cd\">\/**\r\n     * @param  Validator  $validator\r\n     * @param  Sample  $sample\r\n     *\/<\/span>\r\n    <span class=\"k\">protected<\/span> <span class=\"k\">function<\/span> <span class=\"n\">checkHoge<\/span><span class=\"p\">(<\/span><span class=\"kt\">Validator<\/span> <span class=\"nv\">$validator<\/span><span class=\"p\">,<\/span> <span class=\"kt\">Sample<\/span> <span class=\"nv\">$sample<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nv\">$sample<\/span><span class=\"p\">[<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">])<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">errors<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">add<\/span><span class=\"p\">(<\/span><span class=\"s1\">'hoge'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'error message.'<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">use<\/span> <span class=\"nc\">Illuminate\\Validation\\Validator<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">CustomRequest<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">BaseRequest<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u4f7f\u7528\u3057\u305f\u3044\u30af\u30e9\u30b9\u5185\u3067 Trait \u3092\u5ba3\u8a00\u3057\u307e\u3059<\/span>\r\n    <span class=\"kn\">use<\/span> <span class=\"nc\">CustomValidationRule<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"cd\">\/**\r\n     * @param  Validator  $validator\r\n     *\/<\/span>\r\n    <span class=\"k\">public<\/span> <span class=\"k\">function<\/span> <span class=\"n\">withValidator<\/span><span class=\"p\">(<\/span><span class=\"kt\">Validator<\/span> <span class=\"nv\">$validator<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">after<\/span><span class=\"p\">(<\/span><span class=\"k\">function<\/span> <span class=\"p\">(<\/span><span class=\"kt\">Validator<\/span> <span class=\"nv\">$validator<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nv\">$inputs<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">validatedValues<\/span><span class=\"p\">();<\/span>\r\n\r\n            <span class=\"c1\">\/\/ Trait \u3067\u5ba3\u8a00\u3057\u305f\u95a2\u6570\u3092\u547c\u3076\u3000---------------------------------<\/span>\r\n            <span class=\"nv\">$this<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">checkHoge<\/span><span class=\"p\">(<\/span><span class=\"nv\">$validator<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Sample<\/span><span class=\"p\">(<\/span><span class=\"nv\">$inputs<\/span><span class=\"p\">[<\/span><span class=\"s1\">'sample'<\/span><span class=\"p\">])));<\/span>\r\n            <span class=\"c1\">\/\/ ---------------------------------------------------------<\/span>\r\n\r\n            <span class=\"k\">return<\/span> <span class=\"nv\">$validator<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">messages<\/span><span class=\"p\">()<\/span><span class=\"o\">-&gt;<\/span><span class=\"nf\">isEmpty<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"p\">});<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u89e3\u51b3\u51b2\u7a81<\/h3>\n<ul class=\"post-ul\">\u540c\u3058\u540d\u524d\u306e\u30e1\u30f3\u30d0\u30fc\u3092\u542b\u3080\u8907\u6570\u306e\u30c8\u30ec\u30a4\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3068\u304d\u306b\u306f\u3001 \u885d\u7a81\u3092\u660e\u793a\u7684\u306b\u89e3\u6c7a\u3057\u3066\u304a\u304b\u306a\u3044\u3068 fatal \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3002<\/ul>\n<p>\u3010\u53c2\u8003: https:\/\/www.php.net\/manual\/zh\/language.oop5.traits.php\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Trait&#8221; \u662f\u4ec0\u4e48\u610f\u601d? PHP 5.4.0 \u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u518d\u5229\u7528\u3059\u308b\u305f [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30777","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>Trait \u5728 PHP \u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eTrait \u5728 PHP \u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u7684\u6280\u672f\u6587\u7ae0\" \/>\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\/zh\/blog\/trait-\u5728-php-\u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trait \u5728 PHP \u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eTrait \u5728 PHP \u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/trait-\u5728-php-\u4e2d\u662f\u4ec0\u4e48\u610f\u601d\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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