{"id":600,"date":"2022-07-09T03:22:33","date_gmt":"2022-07-09T03:22:33","guid":{"rendered":"http:\/\/www.nywzjs.com\/?p=600"},"modified":"2022-07-09T03:22:34","modified_gmt":"2022-07-09T03:22:34","slug":"mysql%e6%9f%a5%e8%af%a2%e6%9f%90%e4%b8%aa%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e5%ad%97%e6%ae%b5%e5%b9%b6%e9%80%9a%e8%bf%87%e9%80%97%e5%8f%b7%e5%88%86%e9%9a%94%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"http:\/\/www.nywzjs.com\/?p=600","title":{"rendered":"MySQL\u67e5\u8be2\u67d0\u4e2a\u8868\u4e2d\u7684\u6240\u6709\u5b57\u6bb5\u5e76\u901a\u8fc7\u9017\u53f7\u5206\u9694\u8fde\u63a5"},"content":{"rendered":"\n<p>\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u4ece\u4e00\u4e2a\u8868\u4e2d\u83b7\u53d6\u5927\u91cf\u6570\u636e\u7684ID\uff0c\u5e76\u5728\u53e6\u4e00\u4e2a\u8868\u4e2d\u8fdb\u884c\u67e5\u8be2\u6216\u7f16\u8f91\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528SQL\u8bed\u53e5\u76f4\u63a5\u5b9e\u73b0\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select group_concat(&#91;\u5b57\u6bb5\u540d]) as '\u6240\u6709ID' from &#91;\u8868\u540d] where catid = 2;<\/code><\/pre>\n\n\n\n<p>\u7b80\u5355\u5c31\u884c\uff0c\u6ca1\u6709\u4ec0\u4e48\u5176\u5b83\u7684\u4ecb\u7ecd\u3002<\/p>\n\n\n\n<p>\u81ea\u5b9a\u4e49\u5206\u9694\u7b26\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT id,GROUP_CONCAT(&#91;\u5b57\u6bb5\u540d] SEPARATOR ';') FROM &#91;\u8868\u540d] GROUP BY id<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ecf\u5e38\u4f1a\u9047\u5230\u9700\u8981\u4ece\u4e00\u4e2a\u8868\u4e2d\u83b7\u53d6\u5927\u91cf\u6570\u636e\u7684ID\uff0c\u5e76\u5728\u53e6\u4e00\u4e2a\u8868\u4e2d\u8fdb\u884c\u67e5\u8be2\u6216\u7f16\u8f91\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528SQL\u8bed\u53e5\u76f4\u63a5\u5b9e\u73b0\u3002 \u7b80 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":601,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,11],"tags":[82],"_links":{"self":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/600"}],"collection":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=600"}],"version-history":[{"count":0,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/posts\/600\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=\/wp\/v2\/media\/601"}],"wp:attachment":[{"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=600"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nywzjs.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}