{"id":25248,"date":"2024-11-21T08:39:17","date_gmt":"2024-11-21T00:39:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25248\/"},"modified":"2024-11-21T08:39:17","modified_gmt":"2024-11-21T00:39:17","slug":"laravel-%e9%9b%86%e5%90%88%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-where-%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25248\/","title":{"rendered":"Laravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5"},"content":{"rendered":"

\"Laravel<\/p>\n

Laravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5<\/strong><\/p>\n

Laravel \u662f\u4e00\u4e2a\u6d41\u884c\u7684 PHP \u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u5de5\u5177\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u5feb\u901f\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002\u5176\u4e2d\uff0c\u96c6\u5408\uff08Collection\uff09\u662f Laravel \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u548c\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u5bf9\u6570\u636e\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u8fc7\u6ee4\u3001\u6620\u5c04\u3001\u6392\u5e8f\u7b49\u3002\u5728\u96c6\u5408\u4e2d\uff0cWhere \u65b9\u6cd5\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5728 Laravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3 Where \u65b9\u6cd5\u7684\u57fa\u672c\u7528\u6cd5\u3002Where \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u56de\u8c03\u51fd\u6570\u7528\u4e8e\u5b9a\u4e49\u8fc7\u6ee4\u6761\u4ef6\u3002\u56de\u8c03\u51fd\u6570\u5c06\u4f1a\u904d\u5386\u96c6\u5408\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u6839\u636e\u56de\u8c03\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u6761\u4ef6\u5224\u65ad\u662f\u5426\u4fdd\u7559\u8be5\u5143\u7d20\u3002\u5982\u679c\u6761\u4ef6\u7b26\u5408\uff0c\u5219\u4fdd\u7559\u8be5\u5143\u7d20\uff0c\u5426\u5219\u8fc7\u6ee4\u6389\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

$collection = collect([1, 2, 3, 4, 5]);\n\n$filteredCollection = $collection-&gt;where(function ($value, $key) {\n    return $value &gt; 2;\n});\n\ndd($filteredCollection-&gt;all()); \/\/ \u8f93\u51fa [3, 4, 5]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u6570\u5b571\u52305\u7684\u96c6\u5408\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 Where \u65b9\u6cd5\u5bf9\u96c6\u5408\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4fdd\u7559\u5927\u4e8e2\u7684\u5143\u7d20\u3002\u6700\u540e\uff0c\u901a\u8fc7 dd \u51fd\u6570\u8f93\u51fa\u8fc7\u6ee4\u540e\u7684\u96c6\u5408\u3002<\/p>\n
\u9664\u4e86\u57fa\u672c\u7684\u56de\u8c03\u51fd\u6570\u5916\uff0cWhere \u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u4e00\u4e9b\u53c2\u6570\u548c\u7528\u6cd5\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n
    \n
  1.  \u6307\u5b9a\u952e\u540d\u8fdb\u884c\u8fc7\u6ee4<\/strong>\uff1a<\/li>\n<\/ol>\n
    $collection = collect([\n    'name' =&gt; 'Alice',\n    'age' =&gt; 30,\n    'city' =&gt; 'New York',\n]);\n\n$filteredCollection = $collection-&gt;where('age', '&gt;', 25);\n\ndd($filteredCollection-&gt;all()); \/\/ \u8f93\u51fa ['age' =&gt; 30, 'city' =&gt; 'New York']<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5173\u8054\u6570\u7ec4\u7684\u96c6\u5408\uff0c\u5e76\u4f7f\u7528 Where \u65b9\u6cd5\u6839\u636e\u6307\u5b9a\u7684\u952e\u540d\u8fdb\u884c\u8fc7\u6ee4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4fdd\u7559\u4e86\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002<\/p>\n
      \n
    1.  \u6307\u5b9a\u8fdb\u884c\u8fc7\u6ee4<\/strong>\uff1a<\/li>\n<\/ol>\n
      $collection = collect([\n    ['name' =&gt; 'Alice', 'age' =&gt; 30],\n    ['name' =&gt; 'Bob', 'age' =&gt; 20],\n    ['name' =&gt; 'Charlie', 'age' =&gt; 25],\n]);\n\n$filteredCollection = $collection-&gt;where('age', '&gt;', 25);\n\ndd($filteredCollection-&gt;all()); \/\/ \u8f93\u51fa [['name' =&gt; 'Alice', 'age' =&gt; 30]]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5173\u8054\u6570\u7ec4\u7684\u96c6\u5408\uff0c\u5e76\u4f7f\u7528 Where \u65b9\u6cd5\u6839\u636e\u6307\u5b9a\u7684\u952e\u503c\u5bf9\u8fdb\u884c\u8fc7\u6ee4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4fdd\u7559\u4e86\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002<\/p>\n
      \u603b\u7684\u6765\u8bf4\uff0cWhere \u65b9\u6cd5\u662f Laravel \u96c6\u5408\u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u5bf9\u96c6\u5408\u8fdb\u884c\u7075\u6d3b\u7684\u8fc7\u6ee4\u64cd\u4f5c\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u7075\u6d3b\u8fd0\u7528 Where \u65b9\u6cd5\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u7684\u7406\u89e3\u548c\u4f7f\u7528 Laravel \u96c6\u5408\u4e2d\u7684 Where \u65b9\u6cd5\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fLaravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      Laravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5 Laravel \u662f\u4e00\u4e2a\u6d41\u884c\u7684 PHP \u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u548c\u5de5\u5177\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u5feb\u901f\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002\u5176\u4e2d\uff0c\u96c6\u5408\uff08Collection\uff09\u662f Laravel \u4e2d\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u548c\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528\u96c6\u5408\u5bf9\u6570\u636e\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u8fc7\u6ee4\u3001\u6620\u5c04\u3001\u6392\u5e8f\u7b49\u3002\u5728\u96c6\u5408\u4e2d\uff0cWhere \u65b9\u6cd5\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5728 Laravel \u96c6\u5408\u4e2d\u5982\u4f55\u4f7f\u7528 Where \u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3 Where \u65b9\u6cd5\u7684\u57fa\u672c\u7528\u6cd5\u3002Where \u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u56de\u8c03\u51fd\u6570\u7528\u4e8e\u5b9a\u4e49\u8fc7\u6ee4\u6761\u4ef6\u3002\u56de\u8c03\u51fd\u6570\u5c06\u4f1a\u904d\u5386\u96c6\u5408\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u6839\u636e\u56de\u8c03\u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u6761\u4ef6\u5224\u65ad\u662f\u5426\u4fdd\u7559\u8be5\u5143\u7d20\u3002\u5982\u679c\u6761\u4ef6\u7b26\u5408\uff0c\u5219\u4fdd\u7559\u8be5\u5143\u7d20\uff0c\u5426\u5219\u8fc7\u6ee4\u6389\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a $collection = collect([1, 2, 3, 4, 5]); $filteredCollection = $collection-&gt;where(function ($value, $key) { return $value &gt; 2; }); dd($filteredCollection-&gt;all()); \/\/ \u8f93\u51fa [3, 4, 5] \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u6570\u5b571\u52305\u7684\u96c6\u5408\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 Where \u65b9\u6cd5\u5bf9\u96c6\u5408\u8fdb\u884c\u8fc7\u6ee4\uff0c\u4fdd\u7559\u5927\u4e8e2\u7684\u5143\u7d20\u3002\u6700\u540e\uff0c\u901a\u8fc7 dd \u51fd\u6570\u8f93\u51fa\u8fc7\u6ee4\u540e\u7684\u96c6\u5408\u3002 \u9664\u4e86\u57fa\u672c\u7684\u56de\u8c03\u51fd\u6570\u5916\uff0cWhere \u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u4e00\u4e9b\u53c2\u6570\u548c\u7528\u6cd5\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u4e00\u4e9b\u793a\u4f8b\uff1a \u6307\u5b9a\u952e\u540d\u8fdb\u884c\u8fc7\u6ee4\uff1a $collection = collect([ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25248","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=25248"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25248\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}