{"id":22433,"date":"2024-11-21T12:52:38","date_gmt":"2024-11-21T04:52:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22433\/"},"modified":"2024-11-21T12:52:38","modified_gmt":"2024-11-21T04:52:38","slug":"thinkphp%e6%80%8e%e4%b9%88%e9%9a%8f%e6%9c%ba%e6%9f%a5%e8%af%a2%e5%87%a0%e6%9d%a1%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22433\/","title":{"rendered":"thinkphp\u600e\u4e48\u968f\u673a\u67e5\u8be2\u51e0\u6761\u6570\u636e"},"content":{"rendered":"<p>\u5728\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u67e5\u8be2\u968f\u673a\u6570\u636e\uff0c\u4ee5\u4fbf\u5b9e\u73b0\u4e0d\u540c\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u6548\u679c\u3002\u5728thinkphp\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u6280\u672f\u548c\u65b9\u6cd5\u5b9e\u73b0\u968f\u673a\u67e5\u8be2\u6570\u636e\u7684\u529f\u80fd\u3002<\/p>\n<p>\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528mysql\u7684random\u51fd\u6570\uff08rand()\u51fd\u6570\uff09\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u70b9\u548c\u7ec8\u70b9\uff0c\u67e5\u8be2\u4e00\u5b9a\u8303\u56f4\u5185\u7684\u968f\u673a\u6570\u636e\u3002\u6bd4\u5982\u8981\u67e5\u8be2\u4e00\u5f20$tb_test\u8868\u4e2did\u572810\u5230100\u4e4b\u95f4\u7684\u968f\u673a\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;?php\nuse thinkDb;\n\n$data = Db::name('test')-&gt;where('id', 'between', [10, 100])-&gt;orderRaw('rand()')-&gt;limit(10)-&gt;select();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0cwhere\u6761\u4ef6\u6307\u5b9a\u4e86id\u7684\u8303\u56f4\uff0corderRaw\u51fd\u6570\u6307\u5b9a\u4e86\u6309\u7167\u968f\u673a\u987a\u5e8f\u6392\u5e8f\uff0climit\u51fd\u6570\u6307\u5b9a\u4e86\u67e5\u8be2\u7684\u6570\u636e\u6761\u6570\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u7f3a\u70b9\u662f\u6548\u7387\u4f4e\u4e0b\uff0c\u5f53\u8868\u4e2d\u6570\u636e\u91cf\u8f83\u5927\u65f6\uff0c\u67e5\u8be2\u901f\u5ea6\u4f1a\u660e\u663e\u53d8\u6162\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528PHP\u7684rand\u51fd\u6570\uff0c\u901a\u8fc7\u7f16\u5199\u4e1a\u52a1\u903b\u8f91\u548c\u51fd\u6570\u5b9e\u73b0\u968f\u673a\u67e5\u8be2\u6570\u636e\u7684\u529f\u80fd\u3002\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u4ece\u67e5\u8be2\u8868\u4e2d\u83b7\u53d6\u8bb0\u5f55\u7684\u603b\u6570\uff0c\u6839\u636e\u8981\u6c42\u67e5\u8be2\u7684\u8bb0\u5f55\u6570\uff0c\u8ba1\u7b97\u51fa\u6240\u9700\u8bb0\u5f55\u7684id\u53f7\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u7136\u540e\uff0c\u6839\u636eid\u53f7\u67e5\u8be2\u6570\u636e\uff0c\u5e76\u4e14\u4fdd\u8bc1\u67e5\u8be2\u51fa\u6765\u7684\u6570\u636e\u662f\u968f\u673a\u7684\u3002\u5176\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u63a7\u5236rand\u51fd\u6570\u968f\u673a\u6027\u7684\u79cd\u5b50\u503c\uff0c\u4fdd\u8bc1\u67e5\u8be2\u7ed3\u679c\u7684\u968f\u673a\u6027\u3002\u53e6\u5916\uff0c\u5728\u4ee3\u7801\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u5b9a\u6ce8\u610f\u4f7f\u7528\u7f13\u5b58\u6280\u672f\uff0c\u907f\u514d\u9891\u7e41\u67e5\u8be2\u6570\u636e\u5e93\u3002<\/p>\n<p>\u5177\u4f53\u7684\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n<pre>&lt;?php\nuse thinkCache;\nuse thinkDb;\n\n\/\/\u83b7\u53d6\u6570\u636e\u8868\u603b\u8bb0\u5f55\u6570\n$count = Db::name('test')-&gt;count();\n\n\/\/\u6307\u5b9a\u67e5\u8be2\u8bb0\u5f55\u6570\n$num = 10;\n\n\/\/\u751f\u6210\u968f\u673a\u6570\u79cd\u5b50\n$seed = rand(0, $count - 1);\n\n\/\/\u751f\u6210id\u6570\u7ec4\n$id_arr = range(1, $count);\nshuffle($id_arr);\n$id_arr = array_slice($id_arr, 0, $num);\n\n\/\/\u67e5\u8be2\u6570\u636e\n$data = Cache::remember('random_data', function() use ($id_arr) {\n    $data = Db::name('test')-&gt;where('id', 'in', $id_arr)-&gt;select();\n    return $data;\n}, 60);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff0crange\u51fd\u6570\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u6307\u5b9a\u8303\u56f4\u7684\u6570\u7ec4\uff0cshuffle\u51fd\u6570\u7528\u4e8e\u5c06\u6570\u7ec4\u968f\u673a\u6253\u4e71\uff0carray_slice\u51fd\u6570\u7528\u4e8e\u622a\u53d6\u6570\u7ec4\u6307\u5b9a\u957f\u5ea6\u7684\u90e8\u5206\u3002Cache\u7c7b\u7528\u4e8e\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\uff0c\u907f\u514d\u9891\u7e41\u67e5\u8be2\u6570\u636e\u5e93\u3002\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\uff0c\u8c03\u6574\u7f13\u5b58\u65f6\u95f4\u548c\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<p>\u4ee5\u4e0a\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5b9e\u73b0\u968f\u673a\u67e5\u8be2\u6570\u636e\u7684\u529f\u80fd\uff0c\u5177\u4f53\u4f7f\u7528\u54ea\u4e00\u79cd\u6280\u672f\u8981\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u573a\u666f\u548c\u9700\u6c42\u6765\u786e\u5b9a\u3002\u5728\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u5e94\u6839\u636e\u6027\u80fd\u3001\u6548\u7387\u3001\u5b89\u5168\u6027\u7b49\u65b9\u9762\u7684\u8003\u8651\uff0c\u9009\u62e9\u5408\u9002\u7684\u6280\u672f\u548c\u65b9\u6cd5\uff0c\u5b9e\u73b0\u529f\u80fd\u4f18\u5316\u548c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fthinkphp\u600e\u4e48\u968f\u673a\u67e5\u8be2\u51e0\u6761\u6570\u636e\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>\u5728\u5f00\u53d1web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u67e5\u8be2\u968f\u673a\u6570\u636e\uff0c\u4ee5\u4fbf\u5b9e\u73b0\u4e0d\u540c\u7684\u4e1a\u52a1\u903b\u8f91\u548c\u6548\u679c\u3002\u5728thinkphp\u6846\u67b6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u6280\u672f\u548c\u65b9\u6cd5\u5b9e\u73b0\u968f\u673a\u67e5\u8be2\u6570\u636e\u7684\u529f\u80fd\u3002 \u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528mysql\u7684random\u51fd\u6570\uff08rand()\u51fd\u6570\uff09\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8d77\u70b9\u548c\u7ec8\u70b9\uff0c\u67e5\u8be2\u4e00\u5b9a\u8303\u56f4\u5185\u7684\u968f\u673a\u6570\u636e\u3002\u6bd4\u5982\u8981\u67e5\u8be2\u4e00\u5f20$tb_test\u8868\u4e2did\u572810\u5230100\u4e4b\u95f4\u7684\u968f\u673a\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7684\u4ee3\u7801\uff1a &lt;?php use thinkDb; $data = Db::name(&#8216;test&#8217;)-&gt;where(&#8216;id&#8217;, &#8216;between&#8217;, [10, 100])-&gt;orderRaw(&#8216;rand()&#8217;)-&gt;limit(10)-&gt;select(); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cwhere\u6761\u4ef6\u6307\u5b9a\u4e86id\u7684\u8303\u56f4\uff0corderRaw\u51fd\u6570\u6307\u5b9a\u4e86\u6309\u7167\u968f\u673a\u987a\u5e8f\u6392\u5e8f\uff0climit\u51fd\u6570\u6307\u5b9a\u4e86\u67e5\u8be2\u7684\u6570\u636e\u6761\u6570\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7684\u7f3a\u70b9\u662f\u6548\u7387\u4f4e\u4e0b\uff0c\u5f53\u8868\u4e2d\u6570\u636e\u91cf\u8f83\u5927\u65f6\uff0c\u67e5\u8be2\u901f\u5ea6\u4f1a\u660e\u663e\u53d8\u6162\u3002 \u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528PHP\u7684rand\u51fd\u6570\uff0c\u901a\u8fc7\u7f16\u5199\u4e1a\u52a1\u903b\u8f91\u548c\u51fd\u6570\u5b9e\u73b0\u968f\u673a\u67e5\u8be2\u6570\u636e\u7684\u529f\u80fd\u3002\u601d\u8def\u5982\u4e0b\uff1a \u9996\u5148\uff0c\u4ece\u67e5\u8be2\u8868\u4e2d\u83b7\u53d6\u8bb0\u5f55\u7684\u603b\u6570\uff0c\u6839\u636e\u8981\u6c42\u67e5\u8be2\u7684\u8bb0\u5f55\u6570\uff0c\u8ba1\u7b97\u51fa\u6240\u9700\u8bb0\u5f55\u7684id\u53f7\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u7136\u540e\uff0c\u6839\u636eid\u53f7\u67e5\u8be2\u6570\u636e\uff0c\u5e76\u4e14\u4fdd\u8bc1\u67e5\u8be2\u51fa\u6765\u7684\u6570\u636e\u662f\u968f\u673a\u7684\u3002\u5176\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u63a7\u5236rand\u51fd\u6570\u968f\u673a\u6027\u7684\u79cd\u5b50\u503c\uff0c\u4fdd\u8bc1\u67e5\u8be2\u7ed3\u679c\u7684\u968f\u673a\u6027\u3002\u53e6\u5916\uff0c\u5728\u4ee3\u7801\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u5b9a\u6ce8\u610f\u4f7f\u7528\u7f13\u5b58\u6280\u672f\uff0c\u907f\u514d\u9891\u7e41\u67e5\u8be2\u6570\u636e\u5e93\u3002 \u5177\u4f53\u7684\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a &lt;?php use thinkCache; use thinkDb; \/\/\u83b7\u53d6\u6570\u636e\u8868\u603b\u8bb0\u5f55\u6570 $count = Db::name(&#8216;test&#8217;)-&gt;count(); \/\/\u6307\u5b9a\u67e5\u8be2\u8bb0\u5f55\u6570 $num = 10; \/\/\u751f\u6210\u968f\u673a\u6570\u79cd\u5b50 $seed = rand(0, $count &#8211; 1); \/\/\u751f\u6210id\u6570\u7ec4 $id_arr = range(1, $count); shuffle($id_arr); $id_arr = array_slice($id_arr, 0, $num); \/\/\u67e5\u8be2\u6570\u636e $data = Cache::remember(&#8216;random_data&#8217;, function() use [&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-22433","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22433","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=22433"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22433\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}