{"id":48627,"date":"2024-12-02T10:34:30","date_gmt":"2024-12-02T02:34:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48627\/"},"modified":"2024-12-02T10:34:30","modified_gmt":"2024-12-02T02:34:30","slug":"%e6%8c%89%e7%85%a7%e8%ae%a2%e5%8d%95%e7%8a%b6%e6%80%81%e6%8e%92%e5%ba%8f%ef%bc%8c%e5%a6%82%e4%bd%95%e7%bd%ae%e9%a1%b6%e5%be%85%e6%93%8d%e4%bd%9c%e5%b9%b6%e7%bd%ae%e5%ba%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48627\/","title":{"rendered":"\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241029\/17301710386720509e42240.jpg\" class=\"aligncenter\" title=\"\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f\u63d2\u56fe\" alt=\"\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u7f6e\u4e8e\u9996\u4f4d\uff0c\u201c\u5df2\u64a4\u9500\u201d\u7f6e\u4e8e\u672b\u5c3e\uff1f<\/strong><\/p>\n<p>\u5728 mysql \u67e5\u8be2\u4e2d\uff0c\u8981\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5e76\u786e\u4fdd\u201c\u5f85\u64cd\u4f5c\u201d\u8ba2\u5355\u59cb\u7ec8\u6392\u5728\u6700\u524d\u9762\uff0c\u201c\u5df2\u64a4\u9500\u201d\u8ba2\u5355\u59cb\u7ec8\u6392\u5728\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>select * from (\n  select\n    case when status == 2 then 7  -- \u5c06 \"\u5f85\u64cd\u4f5c\" \u6620\u5c04\u5230 7\n    when status == -1 then -1 -- \u5c06 \"\u5df2\u64a4\u9500\" \u6620\u5c04\u5230 -1\n    end as newStatus,\n    status\n  from m_table\n) m\norder by newStatus desc;<\/pre>\n<p>\u6b64\u67e5\u8be2\u7684\u5de5\u4f5c\u539f\u7406\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217 newstatus\uff0c\u5c06\u67d0\u4e9b\u72b6\u6001\u6620\u5c04\u5230\u4e0d\u540c\u7684\u503c\uff1a<\/p>\n<ul>\n<li>&#8220;\u5f85\u64cd\u4f5c&#8221; \u72b6\u6001\u6620\u5c04\u5230 7\uff08\u4e00\u4e2a\u9ad8\u503c\uff09<\/li>\n<li>&#8220;\u5df2\u64a4\u9500&#8221; \u72b6\u6001\u6620\u5c04\u5230 -1\uff08\u4e00\u4e2a\u4f4e\u503c\uff09<\/li>\n<\/ul>\n<p>\u65b0\u521b\u5efa\u7684 newstatus \u5217\u7528\u4e8e\u6392\u5e8f\uff0c\u786e\u4fdd\u201c\u5f85\u64cd\u4f5c\u201d\u8ba2\u5355\u5177\u6709\u6700\u9ad8\u7684\u503c\uff08\u6392\u5728\u6700\u524d\u9762\uff09\uff0c\u800c\u201c\u5df2\u64a4\u9500\u201d\u8ba2\u5355\u5177\u6709\u6700\u4f4e\u7684\u503c\uff08\u6392\u5728\u6700\u540e\uff09\u3002\u539f\u59cb status \u5217\u4ecd\u53ef\u7528\u4e8e\u68c0\u7d22\u5b9e\u9645\u72b6\u6001\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<p> \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1aphp \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f \u6536\u85cf IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5982\u4f55\u7f6e\u9876\u201c\u5f85\u64cd\u4f5c\u201d\u5e76\u7f6e\u5e95\u201c\u5df2\u64a4\u9500\u201d\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01 \u5982\u4f55\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5c06\u201c\u5f85\u64cd\u4f5c\u201d\u7f6e\u4e8e\u9996\u4f4d\uff0c\u201c\u5df2\u64a4\u9500\u201d\u7f6e\u4e8e\u672b\u5c3e\uff1f \u5728 mysql \u67e5\u8be2\u4e2d\uff0c\u8981\u6309\u7167\u8ba2\u5355\u72b6\u6001\u6392\u5e8f\uff0c\u5e76\u786e\u4fdd\u201c\u5f85\u64cd\u4f5c\u201d\u8ba2\u5355\u59cb\u7ec8\u6392\u5728\u6700\u524d\u9762\uff0c\u201c\u5df2\u64a4\u9500\u201d\u8ba2\u5355\u59cb\u7ec8\u6392\u5728\u6700\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a select * from ( select case when status == 2 then 7 &#8212; \u5c06 &#8220;\u5f85\u64cd\u4f5c&#8221; \u6620\u5c04\u5230 7 when status == -1 then -1 &#8212; \u5c06 &#8220;\u5df2\u64a4\u9500&#8221; \u6620\u5c04\u5230 -1 end as newStatus, status from m_table ) m order by newStatus desc; \u6b64\u67e5\u8be2\u7684\u5de5\u4f5c\u539f\u7406\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217 newstatus\uff0c\u5c06\u67d0\u4e9b\u72b6\u6001\u6620\u5c04\u5230\u4e0d\u540c\u7684\u503c\uff1a &#8220;\u5f85\u64cd\u4f5c&#8221; \u72b6\u6001\u6620\u5c04\u5230 7\uff08\u4e00\u4e2a\u9ad8\u503c\uff09 &#8220;\u5df2\u64a4\u9500&#8221; \u72b6\u6001\u6620\u5c04\u5230 -1\uff08\u4e00\u4e2a\u4f4e\u503c\uff09 [&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-48627","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48627","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=48627"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48627\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}