{"id":23759,"date":"2024-11-21T15:22:41","date_gmt":"2024-11-21T07:22:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23759\/"},"modified":"2024-11-21T15:22:41","modified_gmt":"2024-11-21T07:22:41","slug":"thinkphp%e6%80%8e%e4%b9%88%e6%9f%a5%e8%af%a2%e5%88%97%e8%a1%a8%e6%95%b0%e9%87%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23759\/","title":{"rendered":"thinkphp\u600e\u4e48\u67e5\u8be2\u5217\u8868\u6570\u91cf"},"content":{"rendered":"

thinkphp\u662f\u4e00\u6b3e\u57fa\u4e8ephp\u7684\u5feb\u901f\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\u5e93\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u5404\u79cd\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u5176\u4e2d\uff0c\u67e5\u8be2\u5217\u8868\u6570\u91cf\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528thinkphp\u67e5\u8be2\u5217\u8868\u6570\u91cf\u3002<\/p>\n

\u4e00\u3001\u67e5\u8be2\u5217\u8868\u6570\u91cf\u7684\u9700\u6c42<\/p>\n

\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u67d0\u4e2a\u8868\u683c\u7684\u6570\u636e\u6570\u91cf\uff0c\u6bd4\u5982\u67e5\u8be2\u67d0\u4e00\u7bc7\u535a\u5ba2\u7684\u8bc4\u8bba\u6570\u91cf\u3001\u67e5\u8be2\u67d0\u4e00\u7bc7\u6587\u7ae0\u7684\u6d4f\u89c8\u6570\u91cf\u7b49\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ThinkPHP\u7684\u5217\u8868\u67e5\u8be2\u65b9\u6cd5\u548c\u8ba1\u6570\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n

\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u67e5\u8be2\u65b9\u6cd5\u67e5\u8be2\u5217\u8868\u6570\u91cf<\/p>\n

\u5728ThinkPHP\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Model\u7c7b\u7684select\u65b9\u6cd5\u67e5\u8be2\u8868\u683c\u6570\u636e\uff0c\u7136\u540e\u901a\u8fc7count\u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u6570\u91cf\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

$model = M('BlogComment'); \/\/\u5b9e\u4f8b\u5316\u6a21\u578b\u7c7b\n$count = $model->where('blog_id = 1')->count(); \/\/\u67e5\u8be2blog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf\necho \"\u8bc4\u8bba\u6570\u91cf\u4e3a\uff1a\" . $count;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9e\u4f8b\u5316\u4e86BlogComment\u6a21\u578b\u7c7b\uff0c\u7136\u540e\u4f7f\u7528where\u65b9\u6cd5\u8bbe\u7f6e\u67e5\u8be2\u6761\u4ef6\uff0c\u5176\u4e2dblog_id\u4e3a\u9700\u8981\u67e5\u8be2\u7684\u6587\u7ae0ID\u3002\u6700\u540e\uff0c\u901a\u8fc7count\u65b9\u6cd5\u83b7\u53d6\u8bc4\u8bba\u6570\u91cf\uff0c\u8f93\u51fa\u5230\u9875\u9762\u4e0a\u3002<\/p>\n
\u4e09\u3001\u4f7f\u7528\u8ba1\u6570\u65b9\u6cd5\u67e5\u8be2\u5217\u8868\u6570\u91cf<\/p>\n
\u5728ThinkPHP\u4e2d\uff0cModel\u7c7b\u4e5f\u63d0\u4f9b\u4e86find\u3001select\u3001getField\u7b49\u8ba1\u6570\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u83b7\u53d6\u8981\u67e5\u8be2\u7684\u8868\u683c\u6570\u636e\u6570\u91cf\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
$model = M('BlogComment'); \/\/\u5b9e\u4f8b\u5316\u6a21\u578b\u7c7b\n$count = $model->where('blog_id = 1')->getField('COUNT(*)'); \/\/\u67e5\u8be2blog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf\necho \"\u8bc4\u8bba\u6570\u91cf\u4e3a\uff1a\" . $count;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528getField\u65b9\u6cd5\u76f4\u63a5\u67e5\u8be2\u4e86BlogComment\u8868\u683c\u4e2dblog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf\uff0c\u8f93\u51fa\u5230\u9875\u9762\u4e0a\u3002<\/p>\n
\u56db\u3001\u603b\u7ed3<\/p>\n
\u4ee5\u4e0a\u662f\u4f7f\u7528ThinkPHP\u67e5\u8be2\u5217\u8868\u6570\u91cf\u7684\u4e24\u79cd\u65b9\u6cd5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002\u5b83\u4eec\u90fd\u80fd\u6709\u6548\u5730\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u8868\u683c\u7684\u6570\u636e\u6570\u91cf\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u6570\u636e\u7edf\u8ba1\u548c\u5206\u6790\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u8981\u6ce8\u610f\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u5408\u7406\u5730\u8bbe\u7f6e\u67e5\u8be2\u6761\u4ef6\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8be2\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fthinkphp\u600e\u4e48\u67e5\u8be2\u5217\u8868\u6570\u91cf\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":"
thinkphp\u662f\u4e00\u6b3e\u57fa\u4e8ephp\u7684\u5feb\u901f\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\u5e93\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u5404\u79cd\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u5176\u4e2d\uff0c\u67e5\u8be2\u5217\u8868\u6570\u91cf\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528thinkphp\u67e5\u8be2\u5217\u8868\u6570\u91cf\u3002 \u4e00\u3001\u67e5\u8be2\u5217\u8868\u6570\u91cf\u7684\u9700\u6c42 \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u67d0\u4e2a\u8868\u683c\u7684\u6570\u636e\u6570\u91cf\uff0c\u6bd4\u5982\u67e5\u8be2\u67d0\u4e00\u7bc7\u535a\u5ba2\u7684\u8bc4\u8bba\u6570\u91cf\u3001\u67e5\u8be2\u67d0\u4e00\u7bc7\u6587\u7ae0\u7684\u6d4f\u89c8\u6570\u91cf\u7b49\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ThinkPHP\u7684\u5217\u8868\u67e5\u8be2\u65b9\u6cd5\u548c\u8ba1\u6570\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002 \u4e8c\u3001\u4f7f\u7528\u5217\u8868\u67e5\u8be2\u65b9\u6cd5\u67e5\u8be2\u5217\u8868\u6570\u91cf \u5728ThinkPHP\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Model\u7c7b\u7684select\u65b9\u6cd5\u67e5\u8be2\u8868\u683c\u6570\u636e\uff0c\u7136\u540e\u901a\u8fc7count\u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u6570\u91cf\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b $model = M(‘BlogComment’); \/\/\u5b9e\u4f8b\u5316\u6a21\u578b\u7c7b $count = $model->where(‘blog_id = 1’)->count(); \/\/\u67e5\u8be2blog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf echo “\u8bc4\u8bba\u6570\u91cf\u4e3a\uff1a” . $count; \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9e\u4f8b\u5316\u4e86BlogComment\u6a21\u578b\u7c7b\uff0c\u7136\u540e\u4f7f\u7528where\u65b9\u6cd5\u8bbe\u7f6e\u67e5\u8be2\u6761\u4ef6\uff0c\u5176\u4e2dblog_id\u4e3a\u9700\u8981\u67e5\u8be2\u7684\u6587\u7ae0ID\u3002\u6700\u540e\uff0c\u901a\u8fc7count\u65b9\u6cd5\u83b7\u53d6\u8bc4\u8bba\u6570\u91cf\uff0c\u8f93\u51fa\u5230\u9875\u9762\u4e0a\u3002 \u4e09\u3001\u4f7f\u7528\u8ba1\u6570\u65b9\u6cd5\u67e5\u8be2\u5217\u8868\u6570\u91cf \u5728ThinkPHP\u4e2d\uff0cModel\u7c7b\u4e5f\u63d0\u4f9b\u4e86find\u3001select\u3001getField\u7b49\u8ba1\u6570\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u83b7\u53d6\u8981\u67e5\u8be2\u7684\u8868\u683c\u6570\u636e\u6570\u91cf\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a $model = M(‘BlogComment’); \/\/\u5b9e\u4f8b\u5316\u6a21\u578b\u7c7b $count = $model->where(‘blog_id = 1’)->getField(‘COUNT(*)’); \/\/\u67e5\u8be2blog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf echo “\u8bc4\u8bba\u6570\u91cf\u4e3a\uff1a” . $count; \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528getField\u65b9\u6cd5\u76f4\u63a5\u67e5\u8be2\u4e86BlogComment\u8868\u683c\u4e2dblog_id\u4e3a1\u7684\u8bc4\u8bba\u6570\u91cf\uff0c\u8f93\u51fa\u5230\u9875\u9762\u4e0a\u3002 \u56db\u3001\u603b\u7ed3 \u4ee5\u4e0a\u662f\u4f7f\u7528ThinkPHP\u67e5\u8be2\u5217\u8868\u6570\u91cf\u7684\u4e24\u79cd\u65b9\u6cd5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002\u5b83\u4eec\u90fd\u80fd\u6709\u6548\u5730\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u8868\u683c\u7684\u6570\u636e\u6570\u91cf\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u8fdb\u884c\u6570\u636e\u7edf\u8ba1\u548c\u5206\u6790\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u8981\u6ce8\u610f\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u5408\u7406\u5730\u8bbe\u7f6e\u67e5\u8be2\u6761\u4ef6\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8be2\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002 \u4ee5\u4e0a\u5c31\u662fthinkphp\u600e\u4e48\u67e5\u8be2\u5217\u8868\u6570\u91cf\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-23759","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23759","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=23759"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23759\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}