{"id":161,"date":"2025-06-30T18:17:39","date_gmt":"2025-06-30T10:17:39","guid":{"rendered":"https:\/\/lib.kimsor.top\/?p=161"},"modified":"2025-06-30T18:32:22","modified_gmt":"2025-06-30T10:32:22","slug":"pagehelper%e4%b8%80%e4%b8%aa%e5%b7%a8%e5%a4%a7%e7%9a%84%e5%9d%91","status":"publish","type":"post","link":"https:\/\/lib.kimsor.top\/?p=161","title":{"rendered":"PageHelper\u4e00\u4e2a\u5de8\u5927\u7684\u5751"},"content":{"rendered":"\n<p>\u4e00\u6b21\u5728\u6267\u884cmapper\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f7f\u7528\u4e86orderKey\u548corderBy\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u7528\u4e8esql\u81ea\u5b9a\u4e49\u6392\u5e8f<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"440\" height=\"301\" src=\"https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-4.png\" alt=\"\" class=\"wp-image-163\" srcset=\"https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-4.png 440w, https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-4-300x205.png 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u4f8b\u5982\u6211\u8981\u662f\u60f3\u5bf9\u5206\u6570\u8fdb\u884c\u5012\u5e8f\uff0c\u90a3\u4e48\u6309\u9053\u7406\u6211\u5e94\u8be5\u8981\u4f20orderKey\u7b49\u4e8escore\uff0corderBy\u7b49\u4e8edesc<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u4f46\u662f\u540e\u9762\u53d1\u73b0\u62a5\u9519\u4e86\uff0c\u62a5\u9519\u663e\u793a\u7684sql\u8bed\u53e5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>... order by desc<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u5c31\u5f88\u5947\u602a\u4e86\uff0c\u4e3a\u4ec0\u4e48desc\u586b\u5145\u8fdb\u53bb\u4e86\uff0c\u800cscore\u53bb\u54ea\u4e86\uff1f\uff1f\uff1f<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u540e\u9762\u6211\u4eec\u8ba4\u4e3a\u662fpagehelper\u7684\u95ee\u9898\uff0c\u628apageheler\u90a3\u4e00\u884c\u7ed9\u6ce8\u91ca\u4e86\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"846\" height=\"105\" src=\"https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-5.png\" alt=\"\" class=\"wp-image-164\" srcset=\"https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-5.png 846w, https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-5-300x37.png 300w, https:\/\/lib.kimsor.top\/wp-content\/uploads\/2025\/06\/image-5-768x95.png 768w\" sizes=\"auto, (max-width: 846px) 100vw, 846px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u4f46\u662f\u5b83\u8fd8\u662f\u4e00\u5982\u65e2\u5f80\u5730\u5c11\u4e86score\uff0c\u8fd8\u662f&#8230; 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