{"id":24252,"date":"2024-11-21T14:31:17","date_gmt":"2024-11-21T06:31:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24252\/"},"modified":"2024-11-21T14:31:17","modified_gmt":"2024-11-21T06:31:17","slug":"laravel%e9%9b%86%e5%90%88%e6%9c%89where%e6%96%b9%e6%b3%95%e5%90%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24252\/","title":{"rendered":"laravel\u96c6\u5408\u6709where\u65b9\u6cd5\u5417"},"content":{"rendered":"

\n \u6709\u3002laravel\u96c6\u5408\u4e2d\u7684where\u65b9\u6cd5\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u7b5b\u9009\u5143\u7d20\uff0c\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fd4\u56de\u5339\u914d\u7684\u5143\u7d20\u3002\u4f7f\u7528where\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0cwhere\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u53c2\u6570\uff0c\u95ed\u5305\u4e2d\u53ef\u4ee5\u5b9a\u4e49\u7b5b\u9009\u7684\u6761\u4ef6\uff0c\u95ed\u5305\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u4f20\u9012\u7ed9\u95ed\u5305\u3002\u65e0\u8bba\u662f\u5bf9\u5173\u8054\u6570\u7ec4\u8fd8\u662f\u5bf9\u5bf9\u8c61\u96c6\u5408\uff0cwhere\u65b9\u6cd5\u90fd\u80fd\u8d77\u5230\u5f88\u597d\u7684\u8fc7\u6ee4\u4f5c\u7528\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u66f4\u52a0\u65b9\u4fbf\u548c\u7075\u6d3b\u3002\n<\/p><\/blockquote>\n

\"laravel\u96c6\u5408\u6709where\u65b9\u6cd5\u5417\u63d2\u56fe\"<\/p>\n

\u672c\u6587\u7684\u64cd\u4f5c\u73af\u5883\uff1aWindows10\u7cfb\u7edf\u3001Laravel9.x\u7248\u672c\u3001Dell G3\u7535\u8111\u3002<\/p>\n

Laravel\u96c6\u5408\u4e2d\u6709where\u65b9\u6cd5\u3002where\u65b9\u6cd5\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u7b5b\u9009\u5143\u7d20\uff0c\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fd4\u56de\u5339\u914d\u7684\u5143\u7d20\u3002<\/p>\n

\u5728Laravel\u4e2d\uff0c\u96c6\u5408\u662f\u4e00\u79cd\u65b9\u4fbf\u7684\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5bf9\u6570\u7ec4\u6216\u5bf9\u8c61\u96c6\u5408\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002\u96c6\u5408\u7c7b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528collect\u51fd\u6570\u6765\u521b\u5efa\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u6784\u9020\u5668\u6216Eloquent\u67e5\u8be2\u751f\u6210\u3002<\/p>\n

\u4f7f\u7528where\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002where\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u53c2\u6570\uff0c\u95ed\u5305\u4e2d\u53ef\u4ee5\u5b9a\u4e49\u7b5b\u9009\u7684\u6761\u4ef6\u3002\u95ed\u5305\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u4f20\u9012\u7ed9\u95ed\u5305\uff0c\u7136\u540e\u6839\u636e\u95ed\u5305\u4e2d\u7684\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528where\u65b9\u6cd5\u5bf9\u96c6\u5408\u8fdb\u884c\u7b5b\u9009\uff1a<\/p>\n

$collection = collect([\n    ['name' =&gt; 'John', 'age' =&gt; 20],\n    ['name' =&gt; 'Jane', 'age' =&gt; 25],\n    ['name' =&gt; 'David', 'age' =&gt; 30],\n    ['name' =&gt; 'Sarah', 'age' =&gt; 35],\n]);\n$filteredCollection = $collection-&gt;where('age', '&gt;', 25);\n$filteredCollection-&gt;each(function ($item, $key) {\n    echo $item['name'].', Age: '.$item['age'].\"\n\";\n});<\/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\u591a\u4e2a\u5173\u8054\u6570\u7ec4\u7684\u96c6\u5408\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u7b5b\u9009\u51fa\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528each\u65b9\u6cd5\u904d\u5386\u7b5b\u9009\u540e\u7684\u96c6\u5408\uff0c\u5e76\u6253\u5370\u51fa\u6bcf\u4e2a\u5143\u7d20\u7684\u540d\u79f0\u548c\u5e74\u9f84\u3002<\/p>\n
\u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\uff0c\u5c06\u4f1a\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n
David, Age: 30\nSarah, Age: 35<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ece\u8f93\u51fa\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cwhere\u65b9\u6cd5\u6210\u529f\u5730\u7b5b\u9009\u51fa\u4e86\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002<\/p>\n
\u9664\u4e86\u4f7f\u7528\u7b80\u5355\u7684\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff0cwhere\u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u66f4\u590d\u6742\u7684\u6761\u4ef6\uff0c\u5982\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u7b49\u3002<\/p>\n
\u603b\u7ed3<\/strong><\/p>\n
Laravel\u96c6\u5408\u4e2d\u7684where\u65b9\u6cd5\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u5bf9\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u7b5b\u9009\u3002\u65e0\u8bba\u662f\u5bf9\u5173\u8054\u6570\u7ec4\u8fd8\u662f\u5bf9\u5bf9\u8c61\u96c6\u5408\uff0cwhere\u65b9\u6cd5\u90fd\u80fd\u8d77\u5230\u5f88\u597d\u7684\u8fc7\u6ee4\u4f5c\u7528\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u66f4\u52a0\u65b9\u4fbf\u548c\u7075\u6d3b\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u96c6\u5408\u6709where\u65b9\u6cd5\u5417\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":"
\u6709\u3002laravel\u96c6\u5408\u4e2d\u7684where\u65b9\u6cd5\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u7b5b\u9009\u5143\u7d20\uff0c\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fd4\u56de\u5339\u914d\u7684\u5143\u7d20\u3002\u4f7f\u7528where\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\uff0cwhere\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u53c2\u6570\uff0c\u95ed\u5305\u4e2d\u53ef\u4ee5\u5b9a\u4e49\u7b5b\u9009\u7684\u6761\u4ef6\uff0c\u95ed\u5305\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u4f20\u9012\u7ed9\u95ed\u5305\u3002\u65e0\u8bba\u662f\u5bf9\u5173\u8054\u6570\u7ec4\u8fd8\u662f\u5bf9\u5bf9\u8c61\u96c6\u5408\uff0cwhere\u65b9\u6cd5\u90fd\u80fd\u8d77\u5230\u5f88\u597d\u7684\u8fc7\u6ee4\u4f5c\u7528\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u66f4\u52a0\u65b9\u4fbf\u548c\u7075\u6d3b\u3002 \u672c\u6587\u7684\u64cd\u4f5c\u73af\u5883\uff1aWindows10\u7cfb\u7edf\u3001Laravel9.x\u7248\u672c\u3001Dell G3\u7535\u8111\u3002 Laravel\u96c6\u5408\u4e2d\u6709where\u65b9\u6cd5\u3002where\u65b9\u6cd5\u7528\u4e8e\u5728\u96c6\u5408\u4e2d\u7b5b\u9009\u5143\u7d20\uff0c\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u8fd4\u56de\u5339\u914d\u7684\u5143\u7d20\u3002 \u5728Laravel\u4e2d\uff0c\u96c6\u5408\u662f\u4e00\u79cd\u65b9\u4fbf\u7684\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5bf9\u6570\u7ec4\u6216\u5bf9\u8c61\u96c6\u5408\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002\u96c6\u5408\u7c7b\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528collect\u51fd\u6570\u6765\u521b\u5efa\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u6784\u9020\u5668\u6216Eloquent\u67e5\u8be2\u751f\u6210\u3002 \u4f7f\u7528where\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fc7\u6ee4\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002where\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u95ed\u5305\u4f5c\u4e3a\u53c2\u6570\uff0c\u95ed\u5305\u4e2d\u53ef\u4ee5\u5b9a\u4e49\u7b5b\u9009\u7684\u6761\u4ef6\u3002\u95ed\u5305\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u4f20\u9012\u7ed9\u95ed\u5305\uff0c\u7136\u540e\u6839\u636e\u95ed\u5305\u4e2d\u7684\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528where\u65b9\u6cd5\u5bf9\u96c6\u5408\u8fdb\u884c\u7b5b\u9009\uff1a $collection = collect([     [‘name’ =&gt; ‘John’, ‘age’ =&gt; 20],     [‘name’ =&gt; ‘Jane’, ‘age’ =&gt; 25],     [‘name’ =&gt; ‘David’, ‘age’ =&gt; 30],     [‘name’ =&gt; ‘Sarah’, ‘age’ =&gt; 35], ]); $filteredCollection = $collection-&gt;where(‘age’, ‘&gt;’, 25); $filteredCollection-&gt;each(function ($item, $key) {     echo $item[‘name’].’, Age: ‘.$item[‘age’].” “; }); \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5173\u8054\u6570\u7ec4\u7684\u96c6\u5408\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528where\u65b9\u6cd5\u7b5b\u9009\u51fa\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528each\u65b9\u6cd5\u904d\u5386\u7b5b\u9009\u540e\u7684\u96c6\u5408\uff0c\u5e76\u6253\u5370\u51fa\u6bcf\u4e2a\u5143\u7d20\u7684\u540d\u79f0\u548c\u5e74\u9f84\u3002 \u8fd0\u884c\u4e0a\u8ff0\u4ee3\u7801\uff0c\u5c06\u4f1a\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\uff1a David, Age: 30 Sarah, Age: 35 \u767b\u5f55\u540e\u590d\u5236 \u4ece\u8f93\u51fa\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cwhere\u65b9\u6cd5\u6210\u529f\u5730\u7b5b\u9009\u51fa\u4e86\u5e74\u9f84\u5927\u4e8e25\u7684\u5143\u7d20\u3002 \u9664\u4e86\u4f7f\u7528\u7b80\u5355\u7684\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff0cwhere\u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u66f4\u590d\u6742\u7684\u6761\u4ef6\uff0c\u5982\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u7b49\u3002 \u603b\u7ed3 Laravel\u96c6\u5408\u4e2d\u7684where\u65b9\u6cd5\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u6761\u4ef6\u5bf9\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u7b5b\u9009\u3002\u65e0\u8bba\u662f\u5bf9\u5173\u8054\u6570\u7ec4\u8fd8\u662f\u5bf9\u5bf9\u8c61\u96c6\u5408\uff0cwhere\u65b9\u6cd5\u90fd\u80fd\u8d77\u5230\u5f88\u597d\u7684\u8fc7\u6ee4\u4f5c\u7528\uff0c\u4f7f\u5f97\u6570\u636e\u5904\u7406\u66f4\u52a0\u65b9\u4fbf\u548c\u7075\u6d3b\u3002 \u4ee5\u4e0a\u5c31\u662f\u96c6\u5408\u6709where\u65b9\u6cd5\u5417\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-24252","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24252","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=24252"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24252\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}