{"id":200952,"date":"2025-05-06T11:25:21","date_gmt":"2025-05-06T03:25:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200952\/"},"modified":"2025-05-06T11:25:21","modified_gmt":"2025-05-06T03:25:21","slug":"jdbc-%e4%b8%ad%e7%9a%84-executeupdate-%e5%92%8c-executequery-%e6%96%b9%e6%b3%95%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-executeupdate-%e8%bf%94%e5%9b%9e%e5%80%bc%e4%b8%8d%e6%98%af-resultset-%e5%af%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200952\/","title":{"rendered":"JDBC \u4e2d\u7684 executeUpdate \u548c executeQuery \u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48 executeUpdate \u8fd4\u56de\u503c\u4e0d\u662f ResultSet \u5bf9\u8c61\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>JDBC \u4e2d\u7684 executeUpdate \u548c executeQuery \u65b9\u6cd5\uff1a\u4e3a\u4ec0\u4e48 executeUpdate \u8fd4\u56de\u503c\u4e0d\u662f ResultSet \u5bf9\u8c61\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u4e3b\u8981\u8bb2\u89e3\u4e86\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e3b\u673a\u5b9d\u8d1d\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241122\/173228710767409a83b9f49.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>JDBC\u4e2d\u7684executeupdate\u548cexecuteQuery\u65b9\u6cd5\u89e3\u6790<\/strong><\/p>\n<p>JDBC\u4e2d\u7684executeupdate\u548cexecuteQuery\u65b9\u6cd5\u662f\u5e38\u7528\u65b9\u6cd5\u3002executeupdate\u8d1f\u8d23\u6267\u884c\uff0cexecuteQuery\u8d1f\u8d23\u67e5\u8be2\uff0cexecuteQuery\u65b9\u6cd5\u8fd4\u56deResultSet\u5bf9\u8c61\uff0c\u5373\u5b58\u50a8\u67e5\u8be2\u7ed3\u679c\u7684\u5bf9\u8c61\u3002\u800cexecuteupdate\u65b9\u6cd5\u8fd4\u56deint\uff0c\u5f15\u53d1\u4e86\u7591\u60d1\u3002<\/p>\n<p>\u6839\u636eJava\u6587\u6863\uff0cexecuteupdate\u65b9\u6cd5\u8fd4\u56de\u503c\u7684\u542b\u4e49\u4e3a\uff1a&#8221;1\uff09SQL\u6570\u636e\u64cd\u4f5c\u8bed\u8a00\uff08DML\uff09\u8bed\u53e5\u7684\u884c\u8ba1\u6570\uff0c\u62162\uff09\u4e0d\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\u7684SQL\u8bed\u53e5\u7684\u884c\u8ba1\u6570\u4e3a0&#8243;\u3002<\/p>\n<p>\u8fd9\u91cc\u6d89\u53ca\u4e00\u4e2a\u6982\u5ff5\uff0cSQL\u8bed\u53e5\u79cd\u7c7b\u3002executeQuery()\u4e3b\u8981\u7528\u4e8e\u6267\u884cDQL\uff08select\u67e5\u8be2\u8bed\u53e5\uff09\uff0c\u800cexecuteUpdate()\u4e3b\u8981\u7528\u4e8e\u6267\u884cDML\uff08\u5982insert\u3001update\u3001delete\uff09\u548cDDL\uff08\u5982create 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\u5bf9\u8c61\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>JDBC \u4e2d\u7684 executeU&#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-200952","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200952","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=200952"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200952\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}