{"id":6793,"date":"2024-11-14T11:51:42","date_gmt":"2024-11-14T03:51:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6793\/"},"modified":"2024-11-14T11:51:42","modified_gmt":"2024-11-14T03:51:42","slug":"%e5%a6%82%e4%bd%95%e6%8c%89%e7%85%a7%e8%ae%a2%e5%8d%95%e7%8a%b6%e6%80%81%e5%af%b9%e8%ae%a2%e5%8d%95%e8%a1%a8%e8%bf%9b%e8%a1%8c%e6%8e%92%e5%ba%8f%ef%bc%8c%e5%b0%86%e5%be%85%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6793\/","title":{"rendered":"\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u6392\u5728\u6700\u524d\uff0c\u5c06\u201c\u64a4\u9500\u201d\u6392\u5728\u6700\u540e\uff0c\u5176\u4ed6\u72b6\u6001\u6309\u5347\u5e8f\u6392\u5217\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/172993089610754.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u6392\u5728\u6700\u524d\uff0c\u5c06\u201c\u64a4\u9500\u201d\u6392\u5728\u6700\u540e\uff0c\u5176\u4ed6\u72b6\u6001\u6309\u5347\u5e8f\u6392\u5217\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u6392\u5728\u6700\u524d\uff0c\u5c06\u201c\u64a4\u9500\u201d\u6392\u5728\u6700\u540e\uff0c\u5176\u4ed6\u72b6\u6001\u6309\u5347\u5e8f\u6392\u5217\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6839\u636e\u72b6\u6001\u5bf9\u8ba2\u5355\u8fdb\u884c\u6392\u5e8f<\/strong><\/p>\n<p>\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u59cb\u7ec8\u5c06\u201c-1\u201d\u64a4\u9500\u72b6\u6001\u6392\u5728\u6700\u540e\uff0c\u800c\u201c2\u201d\u5f85\u64cd\u4f5c\u72b6\u6001\u6392\u5728\u6700\u524d\u9762\uff0c\u5176\u4f59\u72b6\u6001\u6309\u5347\u5e8f\u5462\uff1f<\/p>\n<p>\u4ee5\u4e0b\u63d0\u4f9b\u4e86  \u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<pre>select * from (\n    select\n        case when status==2 then 7,\n        when status==-1 then -1\n        end as newStatus,\n        status\n    from m_table\n) m order by newStatus desc;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8be5\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u201cnewstatus\u201d\uff0c\u5b83\u662f\u539f\u59cb\u72b6\u6001\u7684\u4fee\u6539\u503c\uff0c\u7528\u4e8e\u6392\u5e8f\u3002\u5f53\u72b6\u6001\u4e3a\u201c2\u201d\uff08\u5f85\u64cd\u4f5c\uff09\u65f6\uff0cnewstatus \u88ab\u6620\u5c04\u4e3a\u201c7\u201d\uff0c\u4ece\u800c\u4f7f\u5176\u5728\u6392\u5e8f\u65f6\u6392\u5728\u7b2c\u4e00\u4f4d\u3002\u5f53\u72b6\u6001\u4e3a\u201c-1\u201d\uff08\u64a4\u9500\uff09\u65f6\uff0cnewstatus \u88ab\u6620\u5c04\u4e3a\u201c-1\u201d\uff0c\u4f7f\u5176\u6392\u5728\u6700\u540e\u3002\u5176\u4f59\u72b6\u6001\u4fdd\u6301\u5176\u539f\u59cb\u503c\u5e76\u6309\u7167\u5347\u5e8f\u6392\u5e8f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u6392\u5728\u6700\u524d\uff0c\u5c06\u201c\u64a4\u9500\u201d\u6392\u5728\u6700\u540e\uff0c\u5176\u4ed6\u72b6\u6001\u6309\u5347\u5e8f\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6839\u636e\u72b6\u6001\u5bf9\u8ba2\u5355\u8fdb\u884c\u6392\u5e8f \u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u59cb\u7ec8\u5c06\u201c-1\u201d\u64a4\u9500\u72b6\u6001\u6392\u5728\u6700\u540e\uff0c\u800c\u201c2\u201d\u5f85\u64cd\u4f5c\u72b6\u6001\u6392\u5728\u6700\u524d\u9762\uff0c\u5176\u4f59\u72b6\u6001\u6309\u5347\u5e8f\u5462\uff1f \u4ee5\u4e0b\u63d0\u4f9b\u4e86 \u89e3\u51b3\u65b9\u6848\uff1a select * from ( select case when status==2 then 7, when status==-1 then -1 end as newStatus, status from m_table ) m order by newStatus desc; \u767b\u5f55\u540e\u590d\u5236 \u8be5\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u201cnewstatus\u201d\uff0c\u5b83\u662f\u539f\u59cb\u72b6\u6001\u7684\u4fee\u6539\u503c\uff0c\u7528\u4e8e\u6392\u5e8f\u3002\u5f53\u72b6\u6001\u4e3a\u201c2\u201d\uff08\u5f85\u64cd\u4f5c\uff09\u65f6\uff0cnewstatus \u88ab\u6620\u5c04\u4e3a\u201c7\u201d\uff0c\u4ece\u800c\u4f7f\u5176\u5728\u6392\u5e8f\u65f6\u6392\u5728\u7b2c\u4e00\u4f4d\u3002\u5f53\u72b6\u6001\u4e3a\u201c-1\u201d\uff08\u64a4\u9500\uff09\u65f6\uff0cnewstatus \u88ab\u6620\u5c04\u4e3a\u201c-1\u201d\uff0c\u4f7f\u5176\u6392\u5728\u6700\u540e\u3002\u5176\u4f59\u72b6\u6001\u4fdd\u6301\u5176\u539f\u59cb\u503c\u5e76\u6309\u7167\u5347\u5e8f\u6392\u5e8f\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u5bf9\u8ba2\u5355\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u6392\u5728\u6700\u524d\uff0c\u5c06\u201c\u64a4\u9500\u201d\u6392\u5728\u6700\u540e\uff0c\u5176\u4ed6\u72b6\u6001\u6309\u5347\u5e8f\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\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-6793","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6793","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=6793"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6793\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}