{"id":200277,"date":"2025-05-06T08:41:01","date_gmt":"2025-05-06T00:41:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200277\/"},"modified":"2025-05-06T08:41:01","modified_gmt":"2025-05-06T00:41:01","slug":"spring-boot-%e4%bd%bf%e7%94%a8-pagehelper-%e5%88%86%e9%a1%b5%e6%97%b6%ef%bc%8c%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e6%97%a0%e5%86%85%e5%ae%b9%e9%a1%b5%e9%9d%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200277\/","title":{"rendered":"Spring Boot \u4f7f\u7528 PageHelper \u5206\u9875\u65f6\uff0c\u5982\u4f55\u5904\u7406\u65e0\u5185\u5bb9\u9875\u9762\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Spring Boot \u4f7f\u7528 PageHelper \u5206\u9875\u65f6\uff0c\u5982\u4f55\u5904\u7406\u65e0\u5185\u5bb9\u9875\u9762\uff1f<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/17303378936722dc6511e84.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5728 spring boot \u4f7f\u7528 pagehelper \u5206\u9875\u65f6\u5982\u4f55\u5904\u7406\u65e0\u5185\u5bb9\u9875\u9762\uff1f<\/strong><\/p>\n<p>\u5728 spring boot \u4e2d\u4f7f\u7528 pagehelper \u5206\u9875\u65f6\uff0c\u5f53\u8f93\u5165\u7684\u9875\u7801\u8d85\u51fa\u6570\u636e\u603b\u9875\u6570\u65f6\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5b83\u4ecd\u4f1a\u8fd4\u56de\u6700\u540e\u4e00\u9875\u7684\u5185\u5bb9\u3002\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5408\u7406\u7684\u5206\u9875\u53c2\u6570\u6765\u5b9e\u73b0\u8f93\u5165\u8d85\u51fa\u9875\u7801\u8303\u56f4\u65f6\u8fd4\u56de\u7a7a\u7ed3\u6784\u7684\u76ee\u6807\u3002<\/p>\n<p><strong>\u5982\u4f55\u8bbe\u7f6e\u5408\u7406\u7684\u5206\u9875\u53c2\u6570\uff1f<\/strong><\/p>\n<p>pagehelper \u4e2d\u63d0\u4f9b\u4e86 reasonable \u53c2\u6570\uff0c\u9ed8\u8ba4\u503c\u4e3a false\u3002\u5f53\u8be5\u53c2\u6570\u8bbe\u7f6e\u4e3a true \u65f6\uff0c\u5f53 pagenum &lt;= 0 \u65f6\uff0c\u67e5\u8be2\u7b2c\u4e00\u9875\uff1b\u5f53 pagenum &gt; pages\uff08\u8d85\u8fc7\u603b\u6570\u65f6\uff09\uff0c\u67e5\u8be2\u6700\u540e\u4e00\u9875\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06 reasonable \u53c2\u6570\u8bbe\u7f6e\u4e3a true\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>PageHelper.startPage(currentPage, pageSize, true);\nList&lt;T&gt; list = selectList(example);<\/pre>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u5408\u7406\u5206\u9875\u53c2\u6570\uff0c\u5f53\u8f93\u5165 page=10 \u65f6\uff0c\u5982\u679c\u53ea\u6709 3 \u9875\u6570\u636e\uff0cpagehelper \u4f1a\u5c06\u7ed3\u679c\u96c6\u8bbe\u5b9a\u4e3a\u7a7a\u5217\u8868\u6765\u8fd4\u56de\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aSpring Boot \u4f7f\u7528 PageHelper \u5206\u9875\u65f6\uff0c\u5982\u4f55\u5904\u7406\u65e0\u5185\u5bb9\u9875\u9762\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Spring Boot \u4f7f\u7528 P&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200277","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200277"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200277\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}