{"id":6251,"date":"2024-11-14T10:39:32","date_gmt":"2024-11-14T02:39:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6251\/"},"modified":"2024-11-14T10:39:32","modified_gmt":"2024-11-14T02:39:32","slug":"mysql%e5%a6%82%e4%bd%95%e5%88%86%e9%a1%b5%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6251\/","title":{"rendered":"mysql\u5982\u4f55\u5206\u9875\u67e5\u8be2"},"content":{"rendered":"<p><strong> \u5206\u9875\u67e5\u8be2<\/strong><\/p>\n<p><strong>\u5982\u4f55\u8fdb\u884c\u5206\u9875\u67e5\u8be2\uff1f<\/strong><\/p>\n<p>MySQL \u5206\u9875\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7 LIMIT \u548c OFFSET \u5b50\u53e5\u5b9e\u73b0\u3002LIMIT \u5b50\u53e5\u6307\u5b9a\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u4e2d\u7684\u8bb0\u5f55\u6570\uff0c\u800c OFFSET \u5b50\u53e5\u6307\u5b9a\u4ece\u7ed3\u679c\u96c6\u5f00\u5934\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>SELECT * FROM table_name LIMIT row_count OFFSET offset_value;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u8981\u4ece\u540d\u4e3a users \u7684\u8868\u4e2d\u83b7\u53d6\u7b2c\u4e8c\u9875\uff08\u6bcf\u9875 10 \u6761\u8bb0\u5f55\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>SELECT * FROM users LIMIT 10 OFFSET 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5982\u4f55\u8ba1\u7b97\u504f\u79fb\u91cf\uff1f<\/strong><\/p>\n<p>\u504f\u79fb\u91cf\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n<pre>OFFSET = (page_number - 1) * page_size<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>page_number \u662f\u8981\u83b7\u53d6\u7684\u9875\u7801<\/li>\n<li>page_size \u662f\u6bcf\u9875\u7684\u8bb0\u5f55\u6570<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>LIMIT \u5b50\u53e5\u5fc5\u987b\u4e0e OFFSET \u5b50\u53e5\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<li>OFFSET \u5b50\u53e5\u4e0d\u80fd\u4e3a\u8d1f\u6570\u3002<\/li>\n<li>OFFSET \u503c\u4e0d\u80fd\u5927\u4e8e\u7ed3\u679c\u96c6\u4e2d\u8bb0\u5f55\u603b\u6570\u51cf\u53bb LIMIT \u503c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5206\u9875\u67e5\u8be2\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>\u5206\u9875\u67e5\u8be2 \u5982\u4f55\u8fdb\u884c\u5206\u9875\u67e5\u8be2\uff1f MySQL \u5206\u9875\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7 LIMIT \u548c OFFSET \u5b50\u53e5\u5b9e\u73b0\u3002LIMIT \u5b50\u53e5\u6307\u5b9a\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u4e2d\u7684\u8bb0\u5f55\u6570\uff0c\u800c OFFSET \u5b50\u53e5\u6307\u5b9a\u4ece\u7ed3\u679c\u96c6\u5f00\u5934\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\u3002 \u8bed\u6cd5\uff1a SELECT * FROM table_name LIMIT row_count OFFSET offset_value; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u8981\u4ece\u540d\u4e3a users \u7684\u8868\u4e2d\u83b7\u53d6\u7b2c\u4e8c\u9875\uff08\u6bcf\u9875 10 \u6761\u8bb0\u5f55\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\uff1a SELECT * FROM users LIMIT 10 OFFSET 10; \u767b\u5f55\u540e\u590d\u5236 \u5982\u4f55\u8ba1\u7b97\u504f\u79fb\u91cf\uff1f \u504f\u79fb\u91cf\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a OFFSET = (page_number &#8211; 1) * page_size \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a page_number \u662f\u8981\u83b7\u53d6\u7684\u9875\u7801 page_size \u662f\u6bcf\u9875\u7684\u8bb0\u5f55\u6570 \u6ce8\u610f\u4e8b\u9879\uff1a LIMIT \u5b50\u53e5\u5fc5\u987b\u4e0e OFFSET [&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-6251","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6251","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=6251"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6251\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}