{"id":152763,"date":"2024-11-02T01:49:23","date_gmt":"2024-11-01T17:49:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152763\/"},"modified":"2024-11-02T01:49:24","modified_gmt":"2024-11-01T17:49:24","slug":"%e5%b8%b8%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab-jdbc-%e9%80%a3%e6%8e%a5%e5%af%ab%e6%b3%95%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152763\/","title":{"rendered":"\u5e38\u7528\u6578\u64da\u5eab JDBC \u9023\u63a5\u5beb\u6cd5\u5927\u5168"},"content":{"rendered":"

\u5e38\u7528\u6578\u64da\u5eab JDBC \u9023\u63a5\u5beb\u6cd5\u5927\u5168<\/h1>\n

\u5728Java\u958b\u767c\u4e2d\uff0cJDBC\uff08Java Database Connectivity\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0c\u6b63\u78ba\u7684JDBC\u9023\u63a5\u5beb\u6cd5\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u6578\u64da\u5eab\u7684JDBC\u9023\u63a5\u5beb\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528JDBC\u3002<\/p>\n

JDBC \u9023\u63a5\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n

\u5728\u4f7f\u7528JDBC\u9023\u63a5\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u958b\u767c\u8005\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u52a0\u8f09\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f<\/li>\n
  2. \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/li>\n
  3. \u5275\u5efaStatement\u6216PreparedStatement\u5c0d\u8c61<\/li>\n
  4. \u57f7\u884cSQL\u67e5\u8a62<\/li>\n
  5. \u8655\u7406\u7d50\u679c\u96c6<\/li>\n
  6. \u95dc\u9589\u9023\u63a5<\/li>\n<\/ol>\n

    MySQL JDBC \u9023\u63a5\u793a\u4f8b<\/h2>\n

    \u4ee5\u4e0b\u662f\u4f7f\u7528MySQL\u6578\u64da\u5eab\u7684JDBC\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n

    import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class MySQLJDBCExample {\n    public static void main(String[] args) {\n        Connection connection = null;\n        Statement statement = null;\n        ResultSet resultSet = null;\n\n        try {\n            \/\/ \u52a0\u8f09MySQL\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/yourDatabase\", \"username\", \"password\");\n            \/\/ \u5275\u5efaStatement\u5c0d\u8c61\n            statement = connection.createStatement();\n            \/\/ \u57f7\u884c\u67e5\u8a62\n            resultSet = statement.executeQuery(\"SELECT * FROM yourTable\");\n\n            \/\/ \u8655\u7406\u7d50\u679c\u96c6\n            while (resultSet.next()) {\n                System.out.println(\"Column1: \" + resultSet.getString(\"column1\"));\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            \/\/ \u95dc\u9589\u8cc7\u6e90\n            try {\n                if (resultSet != null) resultSet.close();\n                if (statement != null) statement.close();\n                if (connection != null) connection.close();\n            } catch (Exception e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/code><\/pre>\n
    Oracle JDBC \u9023\u63a5\u793a\u4f8b<\/h2>\n
    \u5c0d\u65bcOracle\u6578\u64da\u5eab\uff0cJDBC\u9023\u63a5\u7684\u5beb\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class OracleJDBCExample {\n    public static void main(String[] args) {\n        Connection connection = null;\n        Statement statement = null;\n        ResultSet resultSet = null;\n\n        try {\n            \/\/ \u52a0\u8f09Oracle\u9a45\u52d5\n            Class.forName(\"oracle.jdbc.driver.OracleDriver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:oracle:thin:@localhost:1521:yourDatabase\", \"username\", \"password\");\n            \/\/ \u5275\u5efaStatement\u5c0d\u8c61\n            statement = connection.createStatement();\n            \/\/ \u57f7\u884c\u67e5\u8a62\n            resultSet = statement.executeQuery(\"SELECT * FROM yourTable\");\n\n            \/\/ \u8655\u7406\u7d50\u679c\u96c6\n            while (resultSet.next()) {\n                System.out.println(\"Column1: \" + resultSet.getString(\"column1\"));\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            \/\/ \u95dc\u9589\u8cc7\u6e90\n            try {\n                if (resultSet != null) resultSet.close();\n                if (statement != null) statement.close();\n                if (connection != null) connection.close();\n            } catch (Exception e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/code><\/pre>\n
    PostgreSQL JDBC \u9023\u63a5\u793a\u4f8b<\/h2>\n
    \u4ee5\u4e0b\u662fPostgreSQL\u6578\u64da\u5eab\u7684JDBC\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n
    import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class PostgreSQLJDBCExample {\n    public static void main(String[] args) {\n        Connection connection = null;\n        Statement statement = null;\n        ResultSet resultSet = null;\n\n        try {\n            \/\/ \u52a0\u8f09PostgreSQL\u9a45\u52d5\n            Class.forName(\"org.postgresql.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:postgresql:\/\/localhost:5432\/yourDatabase\", \"username\", \"password\");\n            \/\/ \u5275\u5efaStatement\u5c0d\u8c61\n            statement = connection.createStatement();\n            \/\/ \u57f7\u884c\u67e5\u8a62\n            resultSet = statement.executeQuery(\"SELECT * FROM yourTable\");\n\n            \/\/ \u8655\u7406\u7d50\u679c\u96c6\n            while (resultSet.next()) {\n                System.out.println(\"Column1: \" + resultSet.getString(\"column1\"));\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        } finally {\n            \/\/ \u95dc\u9589\u8cc7\u6e90\n            try {\n                if (resultSet != null) resultSet.close();\n                if (statement != null) statement.close();\n                if (connection != null) connection.close();\n            } catch (Exception e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/code><\/pre>\n
    \u7e3d\u7d50<\/h2>\n
    \u672c\u6587\u4ecb\u7d39\u4e86\u5e7e\u7a2e\u5e38\u7528\u6578\u64da\u5eab\u7684JDBC\u9023\u63a5\u5beb\u6cd5\uff0c\u5305\u62ecMySQL\u3001Oracle\u548cPostgreSQL\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u7684\u9023\u63a5\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5be6\u969b\u9805\u76ee\u4e2d\u66f4\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u63a2\u7d22\u5e38\u7528\u6578\u64da\u5eab\u7684JDBC\u9023\u63a5\u5beb\u6cd5\u5927\u5168\uff0c\u63d0\u4f9b\u8a73\u7d30\u7bc4\u4f8b\u8207\u6280\u5de7\uff0c\u52a9\u4f60\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\u8207\u64cd\u4f5c\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-152763","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152763","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=152763"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152763\/revisions"}],"predecessor-version":[{"id":152764,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152763\/revisions\/152764"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}