{"id":66423,"date":"2024-10-14T17:24:16","date_gmt":"2024-10-14T09:24:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66423\/"},"modified":"2024-10-14T17:24:16","modified_gmt":"2024-10-14T09:24:16","slug":"mybatis-plus%e8%81%af%e8%a1%a8%e6%9f%a5%e8%a9%a2%e7%9a%84%e7%9f%ad%e6%9d%bf%ef%bc%8c%e7%b5%82%e6%96%bc%e6%9c%89%e4%b8%80%e6%ac%be%e5%b7%a5%e5%85%b7%e8%a3%9c%e9%bd%8a%e4%ba%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66423\/","title":{"rendered":"MyBatis-Plus\u806f\u8868\u67e5\u8a62\u7684\u77ed\u677f\uff0c\u7d42\u65bc\u6709\u4e00\u6b3e\u5de5\u5177\u88dc\u9f4a\u4e86"},"content":{"rendered":"<h1 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id=\"%e8%81%af%e8%a1%a8%e6%9f%a5%e8%a9%a2%e7%9a%84%e6%8c%91%e6%88%b0-wXUmtHnLDz\">\u806f\u8868\u67e5\u8a62\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1MyBatis-Plus\u5728\u7c21\u5316\u55ae\u8868\u64cd\u4f5c\u65b9\u9762\u8868\u73fe\u512a\u7570\uff0c\u4f46\u5728\u806f\u8868\u67e5\u8a62\u6642\u537b\u9762\u81e8\u4e00\u4e9b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u8907\u96dc\u7684SQL\u8a9e\u53e5\uff1a<\/strong>\u5728\u9032\u884c\u806f\u8868\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u624b\u52d5\u7de8\u5beb\u8907\u96dc\u7684SQL\u8a9e\u53e5\uff0c\u9019\u4e0d\u50c5\u589e\u52a0\u4e86\u958b\u767c\u7684\u96e3\u5ea6\uff0c\u4e5f\u5bb9\u6613\u5f15\u5165\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6027\u80fd\u554f\u984c\uff1a<\/strong>\u4e0d\u7576\u7684\u806f\u8868\u67e5\u8a62\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u9700\u8981\u5c0dSQL\u9032\u884c\u512a\u5316\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u9748\u6d3b\u6027\uff1a<\/strong>MyBatis-Plus\u7684\u67e5\u8a62\u65b9\u5f0f\u76f8\u5c0d\u56fa\u5b9a\uff0c\u5c0d\u65bc\u4e00\u4e9b\u7279\u6b8a\u7684\u67e5\u8a62\u9700\u6c42\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u7de8\u5beb\u984d\u5916\u7684\u4ee3\u78bc\u4f86\u5be6\u73fe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%96%b0%e5%b7%a5%e5%85%b7%e7%9a%84%e5%87%ba%e7%8f%be-wXUmtHnLDz\">\u65b0\u5de5\u5177\u7684\u51fa\u73fe<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aMyBatis-Plus\u5728\u806f\u8868\u67e5\u8a62\u4e2d\u7684\u77ed\u677f\uff0c\u4e00\u6b3e\u540d\u70ba\u201cQueryDSL\u201d\u7684\u5de5\u5177\u61c9\u904b\u800c\u751f\u3002QueryDSL\u662f\u4e00\u500b\u985e\u578b\u5b89\u5168\u7684\u67e5\u8a62\u6846\u67b6\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u4e26\u4e14\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u806f\u8868\u67e5\u8a62\u3002<\/p>\n<h3 id=\"querydsl%e7%9a%84%e5%84%aa%e5%8b%a2-wXUmtHnLDz\">QueryDSL\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u7c21\u5316\u67e5\u8a62\u8a9e\u6cd5\uff1a<\/strong>QueryDSL\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6d41\u5f0fAPI\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u93c8\u5f0f\u8abf\u7528\u4f86\u69cb\u5efa\u67e5\u8a62\uff0c\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u53ef\u8b80\u6027\uff0c\u4e5f\u6e1b\u5c11\u4e86\u932f\u8aa4\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<li><strong>\u985e\u578b\u5b89\u5168\uff1a<\/strong>QueryDSL\u7684\u67e5\u8a62\u8a9e\u6cd5\u662f\u985e\u578b\u5b89\u5168\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u7de8\u8b6f\u6642\u5c31\u80fd\u6aa2\u67e5\u67e5\u8a62\u7684\u6b63\u78ba\u6027\uff0c\u5f9e\u800c\u907f\u514d\u904b\u884c\u6642\u932f\u8aa4\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>QueryDSL\u652f\u6301\u52d5\u614b\u67e5\u8a62\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u9748\u6d3b\u5730\u69cb\u5efa\u67e5\u8a62\uff0c\u9019\u5c0d\u65bc\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-wXUmtHnLDz\">\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n<pre><code>\nimport com.querydsl.jpa.impl.JPAQueryFactory;\nimport static com.example.entity.QUser.user;\nimport static com.example.entity.QOrder.order;\n\nJPAQueryFactory queryFactory = new JPAQueryFactory(entityManager);\nList&lt;User&gt; users = queryFactory\n    .selectFrom(user)\n    .join(user.orders, order)\n    .where(order.status.eq(\"COMPLETED\"))\n    .fetch();\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528QueryDSL\u9032\u884c\u806f\u8868\u67e5\u8a62\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u69cb\u5efa\u67e5\u8a62\u689d\u4ef6\uff0c\u4e26\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-wXUmtHnLDz\">\u7d50\u8ad6<\/h2>\n<p>MyBatis-Plus\u5728\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u9762\u8868\u73fe\u51fa\u8272\uff0c\u4f46\u5728\u806f\u8868\u67e5\u8a62\u4e2d\u4ecd\u5b58\u5728\u4e00\u4e9b\u77ed\u677f\u3002\u96a8\u8457QueryDSL\u7b49\u65b0\u5de5\u5177\u7684\u51fa\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u9032\u884c\u806f\u8868\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u958b\u767c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u67e5\u8a62\u7684\u9805\u76ee\uff0c\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u5c07\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MyBatis-Plus\u806f\u8868\u67e5\u8a62\u7684\u77ed\u677f\uff0c\u4e86\u89e3\u65b0\u5de5\u5177\u5982\u4f55\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66423","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66423","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66423"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66423\/revisions"}],"predecessor-version":[{"id":66424,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66423\/revisions\/66424"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}