{"id":200728,"date":"2025-05-06T10:09:27","date_gmt":"2025-05-06T02:09:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200728\/"},"modified":"2025-05-06T10:09:27","modified_gmt":"2025-05-06T02:09:27","slug":"%e5%9c%a8-java-%e4%bb%a3%e7%a0%81%e5%92%8c-mysql-where-%e5%ad%90%e5%8f%a5%e4%b8%ad%ef%bc%8c%e5%a6%82%e4%bd%95%e6%9b%b4%e6%9c%89%e6%95%88%e5%9c%b0%e6%89%a7%e8%a1%8c%e8%bf%90%e7%ae%97%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200728\/","title":{"rendered":"\u5728 Java \u4ee3\u7801\u548c MySQL WHERE \u5b50\u53e5\u4e2d\uff0c\u5982\u4f55\u66f4\u6709\u6548\u5730\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5728 Java \u4ee3\u7801\u548c MySQL WHERE \u5b50\u53e5\u4e2d\uff0c\u5982\u4f55\u66f4\u6709\u6548\u5730\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/17314128486733437072adb.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 java \u4ee3\u7801\u548c mysql where \u5b50\u53e5\u4e2d\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\uff1f<\/strong><\/p>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5bf9\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u7684\u6570\u636e\u8fdb\u884c\u8fd0\u7b97\u3002\u4f8b\u5982\uff0c\u67e5\u8be2\u7528\u6237\u5e74\u9f84\u5e76\u5bf9\u5176\u8fdb\u884c\u589e\u4e00\u64cd\u4f5c\u3002\u6b64\u65f6\uff0c\u8fd0\u7b97\u64cd\u4f5c\u53ef\u4ee5\u653e\u5728 java \u4ee3\u7801\u6216 mysql where \u5b50\u53e5\u4e2d\u6267\u884c\u3002<\/p>\n<p>\u6839\u636e mysql \u5b98\u65b9\u6587\u6863\uff0c\u5728 where \u5b50\u53e5\u4e2d\u4f7f\u7528\u8868\u8fbe\u5f0f\u4f1a\u9020\u6210\u7d22\u5f15\u5931\u6548\u3002\u56e0\u6b64\uff0c\u5f53\u88ab\u67e5\u8be2\u7684\u5217\u5b58\u5728\u7d22\u5f15\u65f6\uff0c\u5efa\u8bae\u5c06\u8fd0\u7b97\u64cd\u4f5c\u653e\u5728 java \u4ee3\u7801\u4e2d\u6267\u884c\u3002<\/p>\n<p><strong>\u653e\u7f6e\u4e8e java \u4ee3\u7801\u7684\u597d\u5904\uff1a<\/strong><\/p>\n<ul>\n<li>\u4fdd\u6301\u7d22\u5f15\u6709\u6548\u6027\uff0c\u63d0\u5347\u67e5\u8be2\u6548\u7387<\/li>\n<li>\u4ee3\u7801\u6e05\u6670\u660e\u4e86\uff0c\u8fd0\u7b97\u8fc7\u7a0b\u4e00\u76ee\u4e86\u7136<\/li>\n<li>\u907f\u514d sql \u8bed\u53e5\u8fc7\u4e8e\u590d\u6742\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027<\/li>\n<\/ul>\n<p><strong>mybatis \u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 mybatis \u65f6\uff0c\u53ef\u5728\u4ee5\u4e0b\u4f4d\u7f6e\u8fdb\u884c\u8fd0\u7b97\u64cd\u4f5c\uff1a<\/p>\n<pre>\/\/ Java \u4ee3\u7801\u4e2d\u6267\u884c\u8fd0\u7b97\nList&lt;Integer&gt; ages = new ArrayList&lt;&gt;();\nfor (int age : agesDb) {\n    ages.add(age + 1);\n}\n\n\/\/ Mybatis \u4e2d\u7684 in \u64cd\u4f5c\uff1a\nSELECT id, age\nFROM users\nWHERE age IN (#{ages})<\/pre>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><\/p>\n<p>\u5f53\u88ab\u67e5\u8be2\u7684\u5217\u5b58\u5728\u7d22\u5f15\u65f6\uff0c\u5efa\u8bae\u5c06\u8fd0\u7b97\u64cd\u4f5c\u653e\u5728 java \u4ee3\u7801\u4e2d\u6267\u884c\u3002\u8fd9\u6837\u505a\u4e0d\u4ec5\u53ef\u4ee5\u4fdd\u6301\u7d22\u5f15\u6709\u6548\u6027\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5728 Java \u4ee3\u7801\u548c MySQL WHERE \u5b50\u53e5\u4e2d\uff0c\u5982\u4f55\u66f4\u6709\u6548\u5730\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Java \u4ee3\u7801\u548c MySQL&#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-200728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200728","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=200728"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200728\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}