{"id":95782,"date":"2024-10-20T03:57:18","date_gmt":"2024-10-19T19:57:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95782\/"},"modified":"2024-10-20T03:57:18","modified_gmt":"2024-10-19T19:57:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8java%e7%9a%84%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%ba%9d%e9%80%9asql","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95782\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5982\u4f55\u5229\u7528Java\u7684\u5b58\u5132\u904e\u7a0b\u6e9d\u901aSQL"},"content":{"rendered":"

Oracle\u6578\u64da\u5eab\u5982\u4f55\u5229\u7528Java\u7684\u5b58\u5132\u904e\u7a0b\u6e9d\u901aSQL<\/h1>\n

\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u5176\u4e2d\uff0cJava\u7684\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Java\u7684\u5b58\u5132\u904e\u7a0b\u4f86\u8207Oracle\u6578\u64da\u5eab\u9032\u884cSQL\u6e9d\u901a\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n

\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\u548c\u53ef\u9078\u7684\u63a7\u5236\u8a9e\u53e5\uff0c\u9019\u4e9b\u8a9e\u53e5\u88ab\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b58\u5132\u904e\u7a0b\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u5011\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u6e1b\u5c11\u7db2\u7d61\u6d41\u91cf\uff0c\u4e26\u4e14\u80fd\u5920\u5c01\u88dd\u696d\u52d9\u908f\u8f2f\u3002<\/p>\n

Java\u8207Oracle\u7684\u6574\u5408<\/h2>\n

Java\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u8207Oracle\u6578\u64da\u5eab\u7684\u6574\u5408\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5229\u7528Java\u7684\u5f37\u5927\u529f\u80fd\u4f86\u64cd\u4f5c\u6578\u64da\u5eab\u3002Oracle\u63d0\u4f9b\u4e86JDBC\uff08Java Database Connectivity\uff09API\uff0c\u9019\u662f\u4e00\u500b\u7528\u65bc\u9023\u63a5\u548c\u57f7\u884cSQL\u8a9e\u53e5\u7684\u6a19\u6e96\u63a5\u53e3\u3002<\/p>\n

\u8a2d\u7f6e\u74b0\u5883<\/h3>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86Oracle\u6578\u64da\u5eab\u548cJava\u958b\u767c\u5de5\u5177\u5305\uff08JDK\uff09\u3002\u6b64\u5916\uff0c\u60a8\u9084\u9700\u8981\u4e0b\u8f09Oracle JDBC\u9a45\u52d5\u7a0b\u5e8f\uff0c\u9019\u53ef\u4ee5\u5f9eOracle\u7684\u5b98\u65b9\u7db2\u7ad9\u7372\u5f97\u3002<\/p>\n

\u5275\u5efa\u5b58\u5132\u904e\u7a0b<\/h3>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u5b58\u5132\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u8a72\u793a\u4f8b\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba`getEmployee`\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u7528\u65bc\u6839\u64da\u54e1\u5de5ID\u6aa2\u7d22\u54e1\u5de5\u4fe1\u606f\uff1a<\/p>\n

\nCREATE OR REPLACE PROCEDURE getEmployee (\n    emp_id IN NUMBER,\n    emp_name OUT VARCHAR2,\n    emp_salary OUT NUMBER\n) AS\nBEGIN\n    SELECT name, salary INTO emp_name, emp_salary\n    FROM employees\n    WHERE id = emp_id;\nEND;\n<\/code><\/pre>\n
\u5728Java\u4e2d\u8abf\u7528\u5b58\u5132\u904e\u7a0b<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5728Java\u4e2d\u8abf\u7528\u9019\u500b\u5b58\u5132\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528JDBC\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u7684\u793a\u4f8b\uff1a<\/p>\n
\nimport java.sql.*;\n\npublic class CallStoredProcedure {\n    public static void main(String[] args) {\n        Connection conn = null;\n        CallableStatement stmt = null;\n\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n            Class.forName(\"oracle.jdbc.driver.OracleDriver\");\n            \/\/ \u9023\u63a5\u5230\u6578\u64da\u5eab\n            conn = DriverManager.getConnection(\"jdbc:oracle:thin:@localhost:1521:xe\", \"username\", \"password\");\n            \/\/ \u6e96\u5099\u8abf\u7528\u5b58\u5132\u904e\u7a0b\n            stmt = conn.prepareCall(\"{call getEmployee(?, ?, ?)}\");\n            stmt.setInt(1, 1); \/\/ \u8a2d\u7f6e\u54e1\u5de5ID\n            stmt.registerOutParameter(2, Types.VARCHAR); \/\/ \u8a3b\u518a\u8f38\u51fa\u53c3\u6578\n            stmt.registerOutParameter(3, Types.NUMERIC); \/\/ \u8a3b\u518a\u8f38\u51fa\u53c3\u6578\n\n            \/\/ \u57f7\u884c\u5b58\u5132\u904e\u7a0b\n            stmt.execute();\n\n            \/\/ \u7372\u53d6\u8f38\u51fa\u53c3\u6578\n            String empName = stmt.getString(2);\n            double empSalary = stmt.getDouble(3);\n\n            System.out.println(\"Employee Name: \" + empName);\n            System.out.println(\"Employee Salary: \" + empSalary);\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            \/\/ \u95dc\u9589\u8cc7\u6e90\n            try {\n                if (stmt != null) stmt.close();\n                if (conn != null) conn.close();\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528Java\u7684\u5b58\u5132\u904e\u7a0b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u8207Oracle\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u80fd\u5920\u7c21\u5316\u6578\u64da\u64cd\u4f5c\uff0c\u9084\u80fd\u5920\u5c01\u88dd\u696d\u52d9\u908f\u8f2f\uff0c\u5f9e\u800c\u4f7f\u4ee3\u78bc\u66f4\u52a0\u6e05\u6670\u548c\u6613\u65bc\u7ba1\u7406\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u548c\u53ef\u9760\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u6578\u64da\u5eab\u5982\u4f55\u901a\u904eJava\u5b58\u5132\u904e\u7a0b\u9ad8\u6548\u5730\u8207SQL\u9032\u884c\u6e9d\u901a\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\u8207\u61c9\u7528\u6574\u5408\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-95782","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95782","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=95782"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95782\/revisions"}],"predecessor-version":[{"id":95783,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95782\/revisions\/95783"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}