{"id":95732,"date":"2024-10-20T03:31:18","date_gmt":"2024-10-19T19:31:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95732\/"},"modified":"2024-10-20T03:31:19","modified_gmt":"2024-10-19T19:31:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5jdbc%e7%9a%84%e5%8d%81%e5%a4%a7%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95732\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u9023\u63a5JDBC\u7684\u5341\u5927\u6280\u5de7"},"content":{"rendered":"

Oracle\u6578\u64da\u5eab\u9023\u63a5JDBC\u7684\u5341\u5927\u6280\u5de7<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cOracle\u6578\u64da\u5eab\u56e0\u5176\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u80fd\u800c\u5ee3\u53d7\u6b61\u8fce\u3002Java\u6578\u64da\u5eab\u9023\u63a5\uff08JDBC\uff09\u662fJava\u61c9\u7528\u7a0b\u5e8f\u8207Oracle\u6578\u64da\u5eab\u4e4b\u9593\u7684\u6a4b\u6a11\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u9023\u63a5Oracle\u6578\u64da\u5eab\u7684\u5341\u5927\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528JDBC\u3002<\/p>\n

1. \u4f7f\u7528\u6b63\u78ba\u7684JDBC\u9a45\u52d5<\/h2>\n

\u78ba\u4fdd\u4f7f\u7528\u8207Oracle\u6578\u64da\u5eab\u7248\u672c\u76f8\u5339\u914d\u7684JDBC\u9a45\u52d5\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u500b\u7248\u672c\u7684JDBC\u9a45\u52d5\uff0c\u5305\u62ecojdbc8.jar\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u9a45\u52d5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u517c\u5bb9\u6027\u3002<\/p>\n

2. \u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32<\/h2>\n

\u9023\u63a5\u5b57\u7b26\u4e32\u662f\u9023\u63a5Oracle\u6578\u64da\u5eab\u7684\u95dc\u9375\u3002\u57fa\u672c\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

jdbc:oracle:thin:@\/\/host:port\/service_name<\/code><\/pre>\n
\u4f8b\u5982\uff1a<\/p>\n
jdbc:oracle:thin:@\/\/localhost:1521\/XEPDB1<\/code><\/pre>\n
3. \u4f7f\u7528\u9023\u63a5\u6c60<\/h2>\n
\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5efa\u8b70\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u3002\u9023\u63a5\u6c60\u53ef\u4ee5\u91cd\u7528\u5df2\u5efa\u7acb\u7684\u9023\u63a5\uff0c\u6e1b\u5c11\u6bcf\u6b21\u8acb\u6c42\u7684\u5ef6\u9072\u3002\u5e38\u898b\u7684\u9023\u63a5\u6c60\u6846\u67b6\u5305\u62ecApache DBCP\u548cHikariCP\u3002<\/p>\n
4. \u8655\u7406\u7570\u5e38<\/h2>\n
\u5728\u4f7f\u7528JDBC\u6642\uff0c\u7570\u5e38\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372SQLException\uff0c\u4e26\u78ba\u4fdd\u5728finally\u584a\u4e2d\u95dc\u9589\u9023\u63a5\u3001\u8a9e\u53e5\u548c\u7d50\u679c\u96c6\uff0c\u4ee5\u907f\u514d\u8cc7\u6e90\u6d29\u6f0f\u3002<\/p>\n
try {\n    Connection conn = DriverManager.getConnection(url, user, password);\n    \/\/ \u57f7\u884c\u67e5\u8a62\n} catch (SQLException e) {\n    e.printStackTrace();\n} finally {\n    \/\/ \u95dc\u9589\u8cc7\u6e90\n}<\/code><\/pre>\n
5. \u4f7f\u7528PreparedStatement<\/h2>\n
\u4f7f\u7528PreparedStatement\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u4e26\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002PreparedStatement\u6703\u9810\u7de8\u8b6fSQL\u8a9e\u53e5\uff0c\u4e26\u5141\u8a31\u4f7f\u7528\u4f54\u4f4d\u7b26\u4f86\u8a2d\u7f6e\u53c3\u6578\u3002<\/p>\n
PreparedStatement pstmt = conn.prepareStatement(\"SELECT * FROM users WHERE id = ?\");\npstmt.setInt(1, userId);\nResultSet rs = pstmt.executeQuery();<\/code><\/pre>\n
6. \u8a2d\u7f6e\u81ea\u52d5\u63d0\u4ea4<\/h2>\n
\u6839\u64da\u9700\u6c42\u8a2d\u7f6e\u81ea\u52d5\u63d0\u4ea4\u6a21\u5f0f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cJDBC\u6703\u5728\u6bcf\u6b21\u57f7\u884cSQL\u8a9e\u53e5\u5f8c\u81ea\u52d5\u63d0\u4ea4\u3002\u5982\u679c\u9700\u8981\u9032\u884c\u591a\u500b\u64cd\u4f5c\uff0c\u53ef\u4ee5\u95dc\u9589\u81ea\u52d5\u63d0\u4ea4\uff0c\u4e26\u5728\u6240\u6709\u64cd\u4f5c\u5b8c\u6210\u5f8c\u624b\u52d5\u63d0\u4ea4\u3002<\/p>\n
conn.setAutoCommit(false);\n\/\/ \u57f7\u884c\u591a\u500b\u64cd\u4f5c\nconn.commit();<\/code><\/pre>\n
7. \u4f7f\u7528\u6279\u91cf\u8655\u7406<\/h2>\n
\u5c0d\u65bc\u9700\u8981\u63d2\u5165\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\uff0c\u4f7f\u7528\u6279\u91cf\u8655\u7406\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4f7f\u7528addBatch()\u548cexecuteBatch()\u65b9\u6cd5\u4f86\u5be6\u73fe\u3002<\/p>\n
PreparedStatement pstmt = conn.prepareStatement(\"INSERT INTO users (name) VALUES (?)\");\nfor (String name : names) {\n    pstmt.setString(1, name);\n    pstmt.addBatch();\n}\npstmt.executeBatch();<\/code><\/pre>\n
8. \u8a2d\u7f6e\u67e5\u8a62\u8d85\u6642<\/h2>\n
\u70ba\u4e86\u9632\u6b62\u67e5\u8a62\u7121\u9650\u671f\u639b\u8d77\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u67e5\u8a62\u8d85\u6642\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
stmt.setQueryTimeout(30); \/\/ \u8a2d\u7f6e\u8d85\u6642\u70ba30\u79d2<\/code><\/pre>\n
9. \u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406<\/h2>\n
\u5728\u9032\u884c\u591a\u500b\u76f8\u95dc\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f7f\u7528beginTransaction()\u548ccommit()\u4f86\u7ba1\u7406\u4e8b\u52d9\u3002<\/p>\n
10. \u76e3\u63a7\u6027\u80fd<\/h2>\n
\u5b9a\u671f\u76e3\u63a7JDBC\u9023\u63a5\u7684\u6027\u80fd\uff0c\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u5de5\u5177\u5982SQL Developer\u6216AWR\u5831\u544a\u4f86\u5206\u6790\u67e5\u8a62\u6027\u80fd\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u512a\u5316\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u638c\u63e1\u4ee5\u4e0a\u5341\u5927\u6280\u5de7\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528JDBC\u9023\u63a5Oracle\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u6b63\u78ba\u7684\u9a45\u52d5\u3001\u8a2d\u7f6e\u9023\u63a5\u6c60\uff0c\u9084\u662f\u9032\u884c\u7570\u5e38\u8655\u7406\uff0c\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u6578\u64da\u5eab\u9023\u63a5JDBC\u7684\u5341\u5927\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u3001\u7c21\u5316\u914d\u7f6e\uff0c\u78ba\u4fdd\u7a69\u5b9a\u6027\u8207\u5b89\u5168\u6027\uff0c\u52a9\u4f60\u9ad8\u6548\u958b\u767c\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-95732","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95732","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=95732"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95732\/revisions"}],"predecessor-version":[{"id":95733,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95732\/revisions\/95733"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}