{"id":23485,"date":"2024-11-21T16:14:08","date_gmt":"2024-11-21T08:14:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23485\/"},"modified":"2024-11-21T16:14:08","modified_gmt":"2024-11-21T08:14:08","slug":"laravel%e5%bc%80%e5%8f%91%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8laravel-query-builder%e6%9e%84%e5%bb%ba%e5%a4%8d%e6%9d%82%e6%9f%a5%e8%af%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23485\/","title":{"rendered":"Laravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Query Builder\u6784\u5efa\u590d\u6742\u67e5\u8be2\uff1f"},"content":{"rendered":"<p>\u662f\u4e00\u4e2a\u5f00\u6e90\u7684php\u6846\u67b6\uff0c\u5177\u6709\u4f18\u96c5\u3001\u7b80\u6d01\u7684\u8bed\u6cd5\u548c\u5f3a\u5927\u7684\u529f\u80fd\u3002\u5176\u4e2d\uff0cquery builder\u662flaravel\u4e2d\u7684\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5e93\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528laravel query builder\u6784\u5efa\u590d\u6742\u67e5\u8be2\u3002<\/p>\n<ol>\n<li>\u8fde\u63a5\u6570\u636e\u5e93<\/li>\n<\/ol>\n<p>\u5728\u4f7f\u7528Laravel Query Builder\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u914d\u7f6e\u548c\u8fde\u63a5\u6570\u636e\u5e93\u3002\u6253\u5f00\u914d\u7f6e\u6587\u4ef6config\/database.php\uff0c\u6307\u5b9a\u6b63\u786e\u7684\u6570\u636e\u5e93\u7c7b\u578b\u3001\u4e3b\u673a\u540d\u3001\u6570\u636e\u5e93\u540d\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u5982\u4e0b\u9762\u7684\u793a\u4f8b\u6240\u793a\uff0c\u6211\u4eec\u8fde\u63a5\u7684\u662fMySQL\u6570\u636e\u5e93\uff1a<\/p>\n<pre>'connections' =&amp;gt; [\n    'mysql' =&amp;gt; [\n        'driver' =&amp;gt; 'mysql',\n        'host' =&amp;gt; 'localhost',\n        'database' =&amp;gt; 'database_name',\n        'username' =&amp;gt; 'username',\n        'password' =&amp;gt; 'password',<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u67e5\u8be2\u5168\u90e8\u6570\u636e<\/li>\n<\/ol>\n<p>\u4f7f\u7528Laravel Query Builder\uff0c\u67e5\u8be2\u6240\u6709\u6570\u636e\u975e\u5e38\u7b80\u5355\u3002\u5728\u63a7\u5236\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>$data = DB::table('table_name')-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u5c06table_name\u66ff\u6362\u6210\u9700\u8981\u67e5\u8be2\u7684\u6570\u636e\u8868\u540d\u3002get()\u65b9\u6cd5\u5c06\u8fd4\u56de\u5168\u90e8\u6570\u636e\u3002<\/p>\n<ol>\n<li>\u67e5\u8be2\u6307\u5b9a\u5217\u6570\u636e<\/li>\n<\/ol>\n<p>\u5982\u679c\u6211\u4eec\u53ea\u9700\u8981\u67e5\u8be2\u6307\u5b9a\u5217\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528select()\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$data = DB::table('table_name')-&amp;gt;select('column_name1', 'column_name2')-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u9700\u8981\u67e5\u8be2\u7684\u5217\u540d\uff0c\u591a\u4e2a\u5217\u540d\u4f7f\u7528\u9017\u53f7\u9694\u5f00\u3002<\/p>\n<ol>\n<li>\u6761\u4ef6\u67e5\u8be2<\/li>\n<\/ol>\n<p>Laravel Query Builder\u652f\u6301\u591a\u79cd\u6761\u4ef6\u67e5\u8be2\u65b9\u5f0f\uff0c\u5305\u62ec\u7b49\u4e8e\u3001\u4e0d\u7b49\u4e8e\u3001\u5927\u4e8e\u3001\u5c0f\u4e8e\u3001\u5305\u542b\u3001\u4e0d\u5305\u542b\u3001in\u7b49\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e25\u5c81\u7684\u7528\u6237\u4fe1\u606f\uff1a<\/p>\n<pre>$data = DB::table('users')-&amp;gt;where('age', '&amp;gt;', 25)-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u4e86where()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7b49\u4e8e\u3001\u5927\u4e8e\u3001\u5c0f\u4e8e\u7b49\u5404\u79cd\u6761\u4ef6\u67e5\u8be2\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528orWhere()\u65b9\u6cd5\u5b9e\u73b0\u591a\u4e2a\u6761\u4ef6\u4e4b\u95f4\u7684or\u5173\u7cfb\u3002<\/p>\n<ol>\n<li>\u6a21\u7cca\u67e5\u8be2<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u4f7f\u7528like\u64cd\u4f5c\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u5728where()\u65b9\u6cd5\u4e2d\u5b9e\u73b0\u6a21\u7cca\u67e5\u8be2\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u7528\u6237\u59d3\u540d\u4e2d\u5305\u542b\u201c\u5f20\u201d\u7684\u4fe1\u606f\uff1a<\/p>\n<pre>$data = DB::table('users')-&amp;gt;where('name', 'like', '%\u5f20%')-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u6392\u5e8f\u67e5\u8be2<\/li>\n<\/ol>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528orderBy()\u65b9\u6cd5\u5b9e\u73b0\u5bf9\u67e5\u8be2\u7ed3\u679c\u7684\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\u6309\u7528\u6237\u5e74\u9f84\u5347\u5e8f\u6392\u5217\u7684\u67e5\u8be2\uff1a<\/p>\n<pre>$data = DB::table('users')-&amp;gt;orderBy('age', 'asc')-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u9700\u8981\u6392\u5e8f\u7684\u5217\u540d\u4ee5\u53ca\u6392\u5e8f\u65b9\u5f0f\uff08\u5347\u5e8f\u6216\u964d\u5e8f\uff09\u3002<\/p>\n<ol>\n<li>\u805a\u5408\u67e5\u8be2<\/li>\n<\/ol>\n<p>Laravel Query Builder\u8fd8\u652f\u6301\u5404\u79cd\u805a\u5408\u67e5\u8be2\u64cd\u4f5c\uff0c\u5982count\u3001sum\u3001max\u3001min\u7b49\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\u5bf9\u7528\u6237\u5e74\u9f84\u6c42\u5e73\u5747\u503c\u7684\u67e5\u8be2\uff1a<\/p>\n<pre>$data = DB::table('users')-&amp;gt;avg('age');<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u5206\u7ec4\u67e5\u8be2<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u4f7f\u7528groupBy()\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u67e5\u8be2\u7ed3\u679c\u7684\u5206\u7ec4\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\u6309\u7528\u6237\u5e74\u9f84\u5206\u7ec4\u7684\u67e5\u8be2\uff1a<\/p>\n<pre>$data = DB::table('users')-&amp;gt;groupBy('age')-&amp;gt;get();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u9700\u8981\u5206\u7ec4\u7684\u5217\u540d\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>Laravel Query Builder\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u65b9\u4fbf\u5730\u6784\u5efa\u5404\u79cd\u590d\u6742\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u672c\u6587\u4ecb\u7ecd\u4e86Laravel Query Builder\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u5f0f\uff0c\u5305\u62ec\u8fde\u63a5\u6570\u636e\u5e93\u3001\u67e5\u8be2\u5168\u90e8\u6570\u636e\u3001\u67e5\u8be2\u6307\u5b9a\u5217\u6570\u636e\u3001\u6761\u4ef6\u67e5\u8be2\u3001\u6a21\u7cca\u67e5\u8be2\u3001\u6392\u5e8f\u67e5\u8be2\u3001\u805a\u5408\u67e5\u8be2\u548c\u5206\u7ec4\u67e5\u8be2\u7b49\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u591f\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u4f7f\u7528Laravel Query Builder\u6784\u5efa\u590d\u6742\u67e5\u8be2\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLaravel\u5f00\u53d1\uff1a\u5982\u4f55\u4f7f\u7528Laravel Query Builder\u6784\u5efa\u590d\u6742\u67e5\u8be2\uff1f\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":"<p>\u662f\u4e00\u4e2a\u5f00\u6e90\u7684php\u6846\u67b6\uff0c\u5177\u6709\u4f18\u96c5\u3001\u7b80\u6d01\u7684\u8bed\u6cd5\u548c\u5f3a\u5927\u7684\u529f\u80fd\u3002\u5176\u4e2d\uff0cquery builder\u662flaravel\u4e2d\u7684\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5e93\u67e5\u8be2\u6784\u5efa\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6784\u5efa\u590d\u6742\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528laravel query builder\u6784\u5efa\u590d\u6742\u67e5\u8be2\u3002 \u8fde\u63a5\u6570\u636e\u5e93 \u5728\u4f7f\u7528Laravel Query Builder\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u914d\u7f6e\u548c\u8fde\u63a5\u6570\u636e\u5e93\u3002\u6253\u5f00\u914d\u7f6e\u6587\u4ef6config\/database.php\uff0c\u6307\u5b9a\u6b63\u786e\u7684\u6570\u636e\u5e93\u7c7b\u578b\u3001\u4e3b\u673a\u540d\u3001\u6570\u636e\u5e93\u540d\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u5982\u4e0b\u9762\u7684\u793a\u4f8b\u6240\u793a\uff0c\u6211\u4eec\u8fde\u63a5\u7684\u662fMySQL\u6570\u636e\u5e93\uff1a &#8216;connections&#8217; =&amp;gt; [ &#8216;mysql&#8217; =&amp;gt; [ &#8216;driver&#8217; =&amp;gt; &#8216;mysql&#8217;, &#8216;host&#8217; =&amp;gt; &#8216;localhost&#8217;, &#8216;database&#8217; =&amp;gt; &#8216;database_name&#8217;, &#8216;username&#8217; =&amp;gt; &#8216;username&#8217;, &#8216;password&#8217; =&amp;gt; &#8216;password&#8217;, \u767b\u5f55\u540e\u590d\u5236 \u67e5\u8be2\u5168\u90e8\u6570\u636e \u4f7f\u7528Laravel Query Builder\uff0c\u67e5\u8be2\u6240\u6709\u6570\u636e\u975e\u5e38\u7b80\u5355\u3002\u5728\u63a7\u5236\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a $data = DB::table(&#8216;table_name&#8217;)-&amp;gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u5c06table_name\u66ff\u6362\u6210\u9700\u8981\u67e5\u8be2\u7684\u6570\u636e\u8868\u540d\u3002get()\u65b9\u6cd5\u5c06\u8fd4\u56de\u5168\u90e8\u6570\u636e\u3002 \u67e5\u8be2\u6307\u5b9a\u5217\u6570\u636e \u5982\u679c\u6211\u4eec\u53ea\u9700\u8981\u67e5\u8be2\u6307\u5b9a\u5217\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528select()\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a $data = DB::table(&#8216;table_name&#8217;)-&amp;gt;select(&#8216;column_name1&#8217;, &#8216;column_name2&#8217;)-&amp;gt;get(); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u91cc\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u9700\u8981\u67e5\u8be2\u7684\u5217\u540d\uff0c\u591a\u4e2a\u5217\u540d\u4f7f\u7528\u9017\u53f7\u9694\u5f00\u3002 \u6761\u4ef6\u67e5\u8be2 Laravel Query Builder\u652f\u6301\u591a\u79cd\u6761\u4ef6\u67e5\u8be2\u65b9\u5f0f\uff0c\u5305\u62ec\u7b49\u4e8e\u3001\u4e0d\u7b49\u4e8e\u3001\u5927\u4e8e\u3001\u5c0f\u4e8e\u3001\u5305\u542b\u3001\u4e0d\u5305\u542b\u3001in\u7b49\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e25\u5c81\u7684\u7528\u6237\u4fe1\u606f\uff1a $data = DB::table(&#8216;users&#8217;)-&amp;gt;where(&#8216;age&#8217;, &#8216;&amp;gt;&#8217;, [&hellip;]<\/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-23485","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23485","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=23485"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23485\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}