{"id":62141,"date":"2024-10-13T16:32:21","date_gmt":"2024-10-13T08:32:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62141\/"},"modified":"2024-10-13T16:32:21","modified_gmt":"2024-10-13T08:32:21","slug":"jdbc%e9%80%a3%e6%8e%a5oracle%e6%95%b8%e6%93%9a%e5%ba%ab10%e5%a4%a7%e6%8a%80%e5%b7%a7%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62141\/","title":{"rendered":"JDBC\u9023\u63a5Oracle\u6578\u64da\u5eab10\u5927\u6280\u5de7\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"jdbc%e9%80%a3%e6%8e%a5oracle%e6%95%b8%e6%93%9a%e5%ba%ab10%e5%a4%a7%e6%8a%80%e5%b7%a7%e6%8f%8f%e8%bf%b0-ZQhDTIQHUt\">JDBC\u9023\u63a5Oracle\u6578\u64da\u5eab10\u5927\u6280\u5de7\u63cf\u8ff0<\/h1>\n<p>Java Database Connectivity (JDBC) \u662f\u4e00\u500b\u7528\u65bc\u9023\u63a5\u548c\u64cd\u4f5c\u5404\u7a2e\u6578\u64da\u5eab\u7684API\u3002\u5c0d\u65bc\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u4e00\u4e9b\u9023\u63a5\u6280\u5de7\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u958b\u767c\u6548\u7387\u548c\u61c9\u7528\u6027\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d3910\u500bJDBC\u9023\u63a5Oracle\u6578\u64da\u5eab\u7684\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e6%ad%a3%e7%a2%ba%e7%9a%84jdbc%e9%a9%85%e5%8b%95-ZQhDTIQHUt\">1. \u4f7f\u7528\u6b63\u78ba\u7684JDBC\u9a45\u52d5<\/h2>\n<p>\u5728\u9023\u63a5Oracle\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684JDBC\u9a45\u52d5\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u9a45\u52d5\uff0c\u5305\u62ecThin\u9a45\u52d5\u548cOCI\u9a45\u52d5\u3002Thin\u9a45\u52d5\u662f\u7d14Java\u5be6\u73fe\uff0c\u9069\u5408\u5927\u591a\u6578\u60c5\u6cc1\uff0c\u800cOCI\u9a45\u52d5\u5247\u9700\u8981\u5b89\u88ddOracle\u5ba2\u6236\u7aef\u3002<\/p>\n<pre><code>Class.forName(\"oracle.jdbc.driver.OracleDriver\");<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0-ZQhDTIQHUt\">2. \u4f7f\u7528\u9023\u63a5\u6c60<\/h2>\n<p>\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\u6642\u7684\u9023\u63a5\u958b\u92b7\u3002\u5e38\u7528\u7684\u9023\u63a5\u6c60\u6709Apache DBCP\u548cHikariCP\u3002<\/p>\n<pre><code>HikariConfig config = new HikariConfig();\nconfig.setJdbcUrl(\"jdbc:oracle:thin:@localhost:1521:xe\");\nconfig.setUsername(\"username\");\nconfig.setPassword(\"password\");\nHikariDataSource ds = new HikariDataSource(config);<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8preparedstatement-ZQhDTIQHUt\">3. \u4f7f\u7528PreparedStatement<\/h2>\n<p>\u4f7f\u7528PreparedStatement\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u4e26\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002PreparedStatement\u6703\u9810\u7de8\u8b6fSQL\u8a9e\u53e5\uff0c\u4e26\u5141\u8a31\u91cd\u8907\u4f7f\u7528\u3002<\/p>\n<pre><code>PreparedStatement pstmt = conn.prepareStatement(\"SELECT * FROM users WHERE id = ?\");\npstmt.setInt(1, userId);\nResultSet rs = pstmt.executeQuery();<\/code><\/pre>\n<h2 id=\"4-%e8%a8%ad%e7%bd%ae%e8%87%aa%e5%8b%95%e6%8f%90%e4%ba%a4-ZQhDTIQHUt\">4. \u8a2d\u7f6e\u81ea\u52d5\u63d0\u4ea4<\/h2>\n<p>\u6839\u64da\u9700\u6c42\u8a2d\u7f6e\u81ea\u52d5\u63d0\u4ea4\u6a21\u5f0f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cJDBC\u7684\u81ea\u52d5\u63d0\u4ea4\u662f\u958b\u555f\u7684\uff0c\u4f46\u5728\u9032\u884c\u591a\u500b\u64cd\u4f5c\u6642\uff0c\u5efa\u8b70\u95dc\u9589\u81ea\u52d5\u63d0\u4ea4\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre><code>conn.setAutoCommit(false);<\/code><\/pre>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8%e6%89%b9%e8%99%95%e7%90%86%e6%93%8d%e4%bd%9c-ZQhDTIQHUt\">5. \u4f7f\u7528\u6279\u8655\u7406\u64cd\u4f5c<\/h2>\n<p>\u5c0d\u65bc\u9700\u8981\u57f7\u884c\u591a\u689dSQL\u8a9e\u53e5\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u6279\u8655\u7406\u64cd\u4f5c\u4f86\u63d0\u9ad8\u6548\u7387\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/p>\n<pre><code>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<h2 id=\"6-%e8%99%95%e7%90%86%e7%95%b0%e5%b8%b8-ZQhDTIQHUt\">6. \u8655\u7406\u7570\u5e38<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u59a5\u5584\u8655\u7406\u7570\u5e38\u3002\u4f7f\u7528try-catch-finally\u7d50\u69cb\u4f86\u78ba\u4fdd\u8cc7\u6e90\u7684\u91cb\u653e\u3002<\/p>\n<pre><code>try {\n    \/\/ database operations\n} catch (SQLException e) {\n    e.printStackTrace();\n} finally {\n    if (rs != null) rs.close();\n    if (pstmt != null) pstmt.close();\n    if (conn != null) conn.close();\n}<\/code><\/pre>\n<h2 id=\"7-%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8b%99%e7%ae%a1%e7%90%86-ZQhDTIQHUt\">7. \u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406<\/h2>\n<p>\u5728\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u4e8b\u52d9\u7ba1\u7406\u3002\u53ef\u4ee5\u901a\u904ecommit\u548crollback\u4f86\u63a7\u5236\u4e8b\u52d9\u7684\u63d0\u4ea4\u548c\u56de\u6efe\u3002<\/p>\n<pre><code>try {\n    conn.setAutoCommit(false);\n    \/\/ database operations\n    conn.commit();\n} catch (SQLException e) {\n    conn.rollback();\n}<\/code><\/pre>\n<h2 id=\"8-%e8%a8%ad%e7%bd%ae%e9%80%a3%e6%8e%a5%e8%b6%85%e6%99%82-ZQhDTIQHUt\">8. \u8a2d\u7f6e\u9023\u63a5\u8d85\u6642<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u9577\u6642\u9593\u7b49\u5f85\uff0c\u5efa\u8b70\u8a2d\u7f6e\u9023\u63a5\u8d85\u6642\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u9023\u63a5\u5931\u6557\u6642\u53ca\u6642\u8fd4\u56de\u932f\u8aa4\u3002<\/p>\n<pre><code>DriverManager.setLoginTimeout(30); \/\/ 30 seconds<\/code><\/pre>\n<h2 id=\"9-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-ZQhDTIQHUt\">9. \u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u985e\u578b<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u8868\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u985e\u578b\uff0c\u4f7f\u7528NUMBER(10)\u800c\u4e0d\u662fVARCHAR2\u3002<\/p>\n<h2 id=\"10-%e5%ae%9a%e6%9c%9f%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%84%aa%e5%8c%96-ZQhDTIQHUt\">10. \u5b9a\u671f\u76e3\u63a7\u548c\u512a\u5316<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u512a\u5316\u3002\u4f7f\u7528Oracle\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982AWR\u5831\u544a\uff0c\u4f86\u5206\u6790\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZQhDTIQHUt\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1\u4ee5\u4e0a10\u500bJDBC\u9023\u63a5Oracle\u6578\u64da\u5eab\u7684\u6280\u5de7\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u548c\u6578\u64da\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u9023\u63a5\u6c60\u3001PreparedStatement\u9084\u662f\u4e8b\u52d9\u7ba1\u7406\uff0c\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u6709\u6548\u63d0\u5347\u958b\u767c\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1JDBC\u9023\u63a5Oracle\u6578\u64da\u5eab\u768410\u5927\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u78ba\u4fdd\u7a69\u5b9a\u6027\u8207\u5b89\u5168\u6027\u3002<\/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-62141","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62141","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=62141"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62141\/revisions"}],"predecessor-version":[{"id":62142,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62141\/revisions\/62142"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}