{"id":309,"date":"2013-03-25T21:10:25","date_gmt":"2013-03-25T13:10:25","guid":{"rendered":"http:\/\/blog.staryland.com\/?p=309"},"modified":"2013-03-25T21:10:25","modified_gmt":"2013-03-25T13:10:25","slug":"java-sql-statement","status":"publish","type":"post","link":"https:\/\/zhuangzr.me\/wordpress\/2013\/03\/java-sql-statement\/","title":{"rendered":"Java SQL Statement\u521d\u63a2"},"content":{"rendered":"<p>\u524d\u51e0\u5929\u8bf4\u5230\u65b0\u5f00\u59cb\u7684Java\u9879\u76ee\uff0c\u91cc\u9762\u4f7f\u7528\u5230\u4e86Java SQLite JDBC driver\uff0c\u4eca\u5929\u7ee7\u7eed\u6765\u63a2\u8ba8\u4e00\u4e0bJava\u4e2dSQL\u6570\u636e\u5e93\u7684\u4f7f\u7528\u3002<\/p>\n<p>\u5e94\u5f53\u6ce8\u610f\u5230\uff0c\u5728java\u5f53\u4e2d\uff0cSQL\u8bed\u53e5\u7684\u6267\u884c\u662f\u4ee5java.sql.Statement\u4e3a\u8f7d\u4f53\u7684\u3002\u6211\u4eec\u5148\u6765\u770bStatement\u7684\u65b9\u6cd5\u6210\u5458\u3002\u6709\u5173<a title=\"Statement\" href=\"http:\/\/docs.oracle.com\/javase\/6\/docs\/api\/java\/sql\/Statement.html\" target=\"_blank\">java.sql.Statement\u7684\u6587\u6863\u53ef\u4ee5\u5728Oracle<\/a>\u627e\u5230\u3002<\/p>\n<h2>Method \u65b9\u6cd5<\/h2>\n<h3>executeQuery<\/h3>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">ResultSet executeQuery(String sql)\n                       throws SQLException<\/pre>\n<p style=\"padding-left: 30px;\">\u6267\u884c\u6307\u5b9a\u7684SQL\u8bed\u53e5\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u96c6\u5bf9\u8c61\uff08ResultSet\uff09\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u53c2\u6570\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">sql &#8211; \u53d1\u9001\u7ed9\u6570\u636e\u5e93\u7684sql\u8bed\u53e5\uff0c\u901a\u5e38\u662f\u9759\u6001\u7684SQL SELECT\u8bed\u53e5\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u8fd4\u56de\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">\u4e00\u4e2a\u5305\u542b\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61\uff0c\u6c38\u8fdc\u975e\u7a7a\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u629b\u51fa\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">SQLException &#8211; \u5982\u679c\u6570\u636e\u5e93\u8bbf\u95ee\u9519\u8bef\u5219\u629b\u51fa\u5f02\u5e38\uff0c\u6bd4\u5982\u8bf4\u5728\u5df2\u7ed3\u675f\u7684Statement\u4e2d\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6216\u8005SQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u4e0d\u662f\u4e00\u4e2aResultSet\u3002<\/p>\n<h3>executeUpdate<\/h3>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">int executeUpdate(String sql)\n                  throws SQLException<\/pre>\n<p style=\"padding-left: 30px;\">\u6267\u884c\u6307\u5b9a\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982INSERT\uff0cUPDATE\u6216\u8005DELETE\u8bed\u53e5\uff0c\u6216\u8005\u8bf4\u662f\u4e00\u4e2a\u4e0d\u4ea7\u751f\u7ed3\u679c\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982SQL DDL\u8bed\u53e5\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u53c2\u6570\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">sql &#8211; \u4e00\u7ec4SQL Data Manipulation Language (DML)\u8bed\u53e5\uff0c\u6bd4\u5982INSERT\uff0cUPDATE\u6216\u8005DELETE\uff1b\u518d\u6216\u8005\u8bf4\u662f\u4e00\u4e2a\u4e0d\u4ea7\u751f\u7ed3\u679c\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982SQL DDL\u8bed\u53e5\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u8fd4\u56de\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">\u4ee5\u4e0b\u53ef\u80fd\uff1a<br \/>\n(1)SQL Data Manipulation Language (DML)\u8bed\u53e5\u884c\u6570\uff1b<br \/>\n(2)\u5982\u679cSQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u6ca1\u6709\u8fd4\u56de\u503c\u5219\u8fd4\u56de0\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u629b\u51fa\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">SQLException &#8211; \u5982\u679c\u6570\u636e\u5e93\u8bbf\u95ee\u9519\u8bef\u5219\u629b\u51fa\u5f02\u5e38\uff0c\u6bd4\u5982\u8bf4\u5728\u5df2\u7ed3\u675f\u7684Statement\u4e2d\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6216\u8005SQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u4ea7\u751f\u4e86\u4e00\u4e2aResultSet\u3002<\/p>\n<h3>close<\/h3>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">void close()\n           throws SQLException<\/pre>\n<p style=\"padding-left: 30px;\">\u7acb\u5373\u91ca\u653eStatement\u5bf9\u8c61\u7684\u6570\u636e\u5e93\u548cJDBC\u8d44\u6e90\u800c\u4e0d\u662f\u7b49\u5f85\u5176\u81ea\u52a8\u5173\u95ed\u3002\u901a\u5e38\u6765\u8bf4\u5728\u5de5\u4f5c\u5b8c\u6210\u540e\u7acb\u5373\u91ca\u653e\u8d44\u6e90\u662f\u4e00\u4e2a\u597d\u7684\u505a\u6cd5\u4ee5\u907f\u514d\u8017\u5c3d\u6570\u636e\u5e93\u8d44\u6e90\u3002<br \/>\n\u5728\u4e00\u4e2a\u4e00\u676f\u5173\u95ed\u7684Statement\u5bf9\u8c61\u4e0a\u8c03\u7528\u6b64\u65b9\u6cd5\u4e0d\u4f1a\u6709\u4efb\u4f55\u6548\u679c\u3002<\/p>\n<h4 style=\"padding-left: 30px;\">\u5907\u6ce8\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">\u5f53\u4e00\u4e2aStatement\u88ab\u5173\u95ed\uff0c\u5176\u5f53\u524d\u7684\u7ed3\u679c\u96c6\u5982\u679c\u5b58\u5728\uff0c\u5219\u4e5f\u4f1a\u88ab\u5173\u95ed\uff1b<\/p>\n<h4 style=\"padding-left: 30px;\">\u629b\u51fa\uff1a<\/h4>\n<p style=\"padding-left: 60px;\">SQLException &#8211; \u5982\u679c\u6570\u636e\u5e93\u8bbf\u95ee\u9519\u8bef\u5219\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u51e0\u5929\u8bf4\u5230\u65b0\u5f00\u59cb\u7684Java\u9879\u76ee\uff0c\u91cc\u9762\u4f7f\u7528\u5230\u4e86Java SQLite JDBC driver\uff0c\u4eca\u5929\u7ee7\u7eed\u6765\u63a2\u8ba8\u4e00\u4e0bJava\u4e2dSQL\u6570\u636e\u5e93\u7684\u4f7f\u7528\u3002 \u5e94\u5f53\u6ce8\u610f\u5230\uff0c\u5728java\u5f53\u4e2d\uff0cSQL\u8bed\u53e5\u7684\u6267\u884c\u662f\u4ee5java.sql.Statement\u4e3a\u8f7d\u4f53\u7684\u3002\u6211\u4eec\u5148\u6765\u770bStatement\u7684\u65b9\u6cd5\u6210\u5458\u3002\u6709\u5173java.sql.Statement\u7684\u6587\u6863\u53ef\u4ee5\u5728Oracle\u627e\u5230\u3002 Method \u65b9\u6cd5 executeQuery ResultSet executeQuery(String sql) throws SQLException \u6267\u884c\u6307\u5b9a\u7684SQL\u8bed\u53e5\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u96c6\u5bf9\u8c61\uff08ResultSet\uff09\uff1b \u53c2\u6570\uff1a sql &#8211; \u53d1\u9001\u7ed9\u6570\u636e\u5e93\u7684sql\u8bed\u53e5\uff0c\u901a\u5e38\u662f\u9759\u6001\u7684SQL SELECT\u8bed\u53e5\uff1b \u8fd4\u56de\uff1a \u4e00\u4e2a\u5305\u542b\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61\uff0c\u6c38\u8fdc\u975e\u7a7a\uff1b \u629b\u51fa\uff1a SQLException &#8211; \u5982\u679c\u6570\u636e\u5e93\u8bbf\u95ee\u9519\u8bef\u5219\u629b\u51fa\u5f02\u5e38\uff0c\u6bd4\u5982\u8bf4\u5728\u5df2\u7ed3\u675f\u7684Statement\u4e2d\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6216\u8005SQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u4e0d\u662f\u4e00\u4e2aResultSet\u3002 executeUpdate int executeUpdate(String sql) throws SQLException \u6267\u884c\u6307\u5b9a\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982INSERT\uff0cUPDATE\u6216\u8005DELETE\u8bed\u53e5\uff0c\u6216\u8005\u8bf4\u662f\u4e00\u4e2a\u4e0d\u4ea7\u751f\u7ed3\u679c\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982SQL DDL\u8bed\u53e5\uff1b \u53c2\u6570\uff1a sql &#8211; \u4e00\u7ec4SQL Data Manipulation Language (DML)\u8bed\u53e5\uff0c\u6bd4\u5982INSERT\uff0cUPDATE\u6216\u8005DELETE\uff1b\u518d\u6216\u8005\u8bf4\u662f\u4e00\u4e2a\u4e0d\u4ea7\u751f\u7ed3\u679c\u7684SQL\u8bed\u53e5\uff0c\u6bd4\u5982SQL DDL\u8bed\u53e5\uff1b \u8fd4\u56de\uff1a \u4ee5\u4e0b\u53ef\u80fd\uff1a (1)SQL Data Manipulation Language (DML)\u8bed\u53e5\u884c\u6570\uff1b (2)\u5982\u679cSQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u6ca1\u6709\u8fd4\u56de\u503c\u5219\u8fd4\u56de0\uff1b \u629b\u51fa\uff1a SQLException &#8211; \u5982\u679c\u6570\u636e\u5e93\u8bbf\u95ee\u9519\u8bef\u5219\u629b\u51fa\u5f02\u5e38\uff0c\u6bd4\u5982\u8bf4\u5728\u5df2\u7ed3\u675f\u7684Statement\u4e2d\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6216\u8005SQL\u8bed\u53e5\u6267\u884c\u7ed3\u679c\u4ea7\u751f\u4e86\u4e00\u4e2aResultSet\u3002 close &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/zhuangzr.me\/wordpress\/2013\/03\/java-sql-statement\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Java SQL Statement\u521d\u63a2&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[36,46],"class_list":["post-309","post","type-post","status-publish","format-standard","hentry","category-java","tag-java-2","tag-sql"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts\/309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/comments?post=309"}],"version-history":[{"count":0,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/posts\/309\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/media?parent=309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/categories?post=309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhuangzr.me\/wordpress\/wp-json\/wp\/v2\/tags?post=309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}