{"id":200756,"date":"2025-05-06T14:05:43","date_gmt":"2025-05-06T06:05:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200756\/"},"modified":"2025-05-06T14:05:43","modified_gmt":"2025-05-06T06:05:43","slug":"java-%e4%bb%a3%e7%a0%81%e8%bf%98%e6%98%af-mysql-where-%e5%ad%90%e5%8f%a5%ef%bc%9a%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9f%a5%e8%af%a2%e4%b8%ad%e7%9a%84%e8%bf%90%e7%ae%97%e6%93%8d%e4%bd%9c%ef%bc%8c%e5%ba%94","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200756\/","title":{"rendered":"Java \u4ee3\u7801\u8fd8\u662f MySQL Where \u5b50\u53e5\uff1a\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\u7684\u8fd0\u7b97\u64cd\u4f5c\uff0c\u5e94\u8be5\u653e\u5728\u54ea\u91cc\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Java \u4ee3\u7801\u8fd8\u662f MySQL Where \u5b50\u53e5\uff1a\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\u7684\u8fd0\u7b97\u64cd\u4f5c\uff0c\u5e94\u8be5\u653e\u5728\u54ea\u91cc\uff1f<\/h1>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/17314863026734625e3ec4e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u4ee3\u7801\u8fd8\u662f MySQL Where \u5b50\u53e5\u4e2d\u7684\u8fd0\u7b97\u64cd\u4f5c<\/strong><\/p>\n<p>\u5728\u5904\u7406\u6570\u636e\u5e93\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\u6765\u8fc7\u6ee4\u6216\u9650\u5236\u7ed3\u679c\u3002\u90a3\u4e48\uff0c\u8fd9\u4e9b\u8fd0\u7b97\u64cd\u4f5c\u5e94\u8be5\u5728 Java \u4ee3\u7801\u4e2d\u6267\u884c\u8fd8\u662f\u5728 MySQL \u7684 where \u5b50\u53e5\u4e2d\u6267\u884c\u5462\uff1f<\/p>\n<p><strong>\u7d22\u5f15\u5931\u6548\u95ee\u9898<\/strong><\/p>\n<p>\u5f53\u8fd0\u7b97\u64cd\u4f5c\u5728 MySQL \u7684 where \u5b50\u53e5\u4e2d\u6267\u884c\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002\u8fd9\u662f\u56e0\u4e3a MySQL \u4f18\u5316\u5668\u65e0\u6cd5\u5728\u7d22\u5f15\u5217\u4e0a\u5e94\u7528\u8fd0\u7b97\u5668\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u8868 users \u4e2d\u7684 age \u5217\u5efa\u7acb\u4e86\u7d22\u5f15\u3002\u5982\u679c\u6211\u4eec\u5728 where \u5b50\u53e5\u4e2d\u4f7f\u7528\u8fd0\u7b97\u5668 age+1\uff0c\u90a3\u4e48 MySQL \u65e0\u6cd5\u4f7f\u7528 age \u5217\u7684\u7d22\u5f15\u6765\u52a0\u901f\u67e5\u8be2\u3002<\/p>\n<p><strong>\u6027\u80fd\u8003\u91cf<\/strong><\/p>\n<p>\u5982\u679c\u8fd0\u7b97\u64cd\u4f5c\u4e0d\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\uff0c\u90a3\u4e48\u5728 where \u5b50\u53e5\u4e2d\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\u901a\u5e38\u4f1a\u6bd4\u5728 Java \u4ee3\u7801\u4e2d\u6267\u884c\u66f4\u6709\u6548\u3002\u8fd9\u662f\u56e0\u4e3a MySQL \u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u4f18\u5316\u67e5\u8be2\u6267\u884c\u8ba1\u5212\u3002\u7136\u800c\uff0c\u5982\u679c\u8fd0\u7b97\u64cd\u4f5c\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\uff0c\u90a3\u4e48\u5728 where \u5b50\u53e5\u4e2d\u6267\u884c\u5c31\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p><strong>\u4ee3\u7801\u53ef\u8bfb\u6027<\/strong><\/p>\n<p>\u5728 Java \u4ee3\u7801\u4e2d\u6267\u884c\u8fd0\u7b97\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u3002\u5728 SQL \u8bed\u53e5\u4e2d\u52a0\u5165\u4e1a\u52a1\u903b\u8f91\u4f1a\u4f7f\u8bed\u53e5\u53d8\u5f97\u590d\u6742\u548c\u96be\u4ee5\u9605\u8bfb\u3002\u6b64\u5916\uff0c\u5728\u4ee3\u7801\u4e2d\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u8fd0\u7b97\u7684\u6d41\u7a0b\uff0c\u800c SQL \u8bed\u53e5\u4e2d\u5219\u5f88\u96be\u7cbe\u786e\u63cf\u8ff0\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u5efa\u8bae<\/strong><\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u6211\u5efa\u8bae\u5c06\u8fd0\u7b97\u64cd\u4f5c\u653e\u5728 Java \u4ee3\u7801\u4e2d\u6267\u884c\u3002SQL \u8bed\u53e5\u5e94\u8be5\u4e13\u6ce8\u4e8e\u8fdb\u884c\u7eaf\u7cb9\u7684\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u800c\u4e1a\u52a1\u903b\u8f91\u5e94\u8be5\u5728 Java \u4ee3\u7801\u4e2d\u5904\u7406\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff0c\u5e76\u907f\u514d\u5728 MySQL where \u5b50\u53e5\u4e2d\u4f7f\u7528\u8fd0\u7b97\u64cd\u4f5c\u65f6\u53ef\u80fd\u5bfc\u81f4\u7684\u7d22\u5f15\u5931\u6548\u95ee\u9898\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aJava \u4ee3\u7801\u8fd8\u662f MySQL Where \u5b50\u53e5\uff1a\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\u7684\u8fd0\u7b97\u64cd\u4f5c\uff0c\u5e94\u8be5\u653e\u5728\u54ea\u91cc\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>Java \u4ee3\u7801\u8fd8\u662f 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-200756","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200756","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=200756"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200756\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}