{"id":61925,"date":"2024-10-13T14:46:16","date_gmt":"2024-10-13T06:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61925\/"},"modified":"2024-10-13T14:46:16","modified_gmt":"2024-10-13T06:46:16","slug":"java%e6%8a%80%e8%a1%93%e5%af%a6%e7%8f%be%e4%b8%ad%e6%96%87%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%b9%e6%b3%95-java%e5%90%91%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8f%92%e5%85%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61925\/","title":{"rendered":"Java\u6280\u8853\u5be6\u73fe\u4e2d\u6587\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u65b9\u6cd5 (java\u5411\u6578\u64da\u5eab\u63d2\u5165\u4e2d\u6587\u6578\u64da)"},"content":{"rendered":"

Java\u6280\u8853\u5be6\u73fe\u4e2d\u6587\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u65b9\u6cd5<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u8655\u7406\u591a\u8a9e\u8a00\u6578\u64da\uff0c\u5c24\u5176\u662f\u4e2d\u6587\u6578\u64da\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u4e2d\u6587\u6578\u64da\u7684\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u6280\u8853\u5c07\u4e2d\u6587\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n

\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002Java\u901a\u5e38\u4f7f\u7528JDBC\uff08Java Database Connectivity\uff09\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static Connection getConnection() {\n        Connection connection = null;\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        } catch (ClassNotFoundException | SQLException e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n
\u63d2\u5165\u4e2d\u6587\u6578\u64da<\/h2>\n
\u4e00\u65e6\u5efa\u7acb\u4e86\u6578\u64da\u5eab\u9023\u63a5\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528PreparedStatement\u4f86\u63d2\u5165\u4e2d\u6587\u6578\u64da\u3002\u4f7f\u7528PreparedStatement\u7684\u597d\u8655\u662f\u53ef\u4ee5\u9632\u6b62SQL\u6ce8\u5165\uff0c\u4e26\u4e14\u80fd\u5920\u8655\u7406\u5404\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u4e2d\u6587\u5b57\u7b26\u3002<\/p>\n
import java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class InsertChineseData {\n    public static void insertData(String chineseText) {\n        Connection connection = DatabaseConnection.getConnection();\n        String sql = \"INSERT INTO your_table (chinese_column) VALUES (?)\";\n        \n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, chineseText);\n            preparedStatement.executeUpdate();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        } finally {\n            try {\n                if (connection != null) {\n                    connection.close();\n                }\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}\n<\/code><\/pre>\n
\u8a2d\u7f6e\u6578\u64da\u5eab\u5b57\u7b26\u96c6<\/h2>\n
\u70ba\u4e86\u6b63\u78ba\u5b58\u5132\u4e2d\u6587\u6578\u64da\uff0c\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u5fc5\u9808\u8a2d\u7f6e\u70ba\u652f\u6301\u4e2d\u6587\u7684\u5b57\u7b26\u96c6\uff0c\u4f8b\u5982UTF-8\u3002\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u5b57\u7b26\u96c6\uff1a<\/p>\n
ALTER DATABASE your_database CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u5728\u5275\u5efa\u8868\u6642\uff0c\u4e5f\u61c9\u78ba\u4fdd\u5217\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u70baUTF-8\uff1a<\/p>\n
CREATE TABLE your_table (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    chinese_column VARCHAR(255) CHARACTER SET utf8mb4\n);\n<\/code><\/pre>\n
\u6e2c\u8a66\u63d2\u5165\u529f\u80fd<\/h2>\n
\u6700\u5f8c\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u63d2\u5165\u65b9\u6cd5\u4f86\u6e2c\u8a66\u4e2d\u6587\u6578\u64da\u7684\u63d2\u5165\u529f\u80fd\uff1a<\/p>\n
public class Main {\n    public static void main(String[] args) {\n        String chineseText = \"\u4f60\u597d\uff0c\u4e16\u754c\uff01\";\n        InsertChineseData.insertData(chineseText);\n    }\n}\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728Java\u4e2d\u63d2\u5165\u4e2d\u6587\u6578\u64da\u5230\u6578\u64da\u5eab\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u53ea\u9700\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u6b63\u78ba\uff0c\u4e26\u4f7f\u7528PreparedStatement\u4f86\u5b89\u5168\u5730\u63d2\u5165\u6578\u64da\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u4e2d\u6587\u5b57\u7b26\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u3002<\/p>\n
\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\u6a23\u53ef\u4ee5\u78ba\u4fdd\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Java\u6280\u8853\u5982\u4f55\u5be6\u73fe\u4e2d\u6587\u6578\u64da\u63d2\u5165\u6578\u64da\u5eab\u7684\u65b9\u6cd5\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u5b58\u5132\u8207\u986f\u793a\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-61925","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61925","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=61925"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61925\/revisions"}],"predecessor-version":[{"id":61926,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61925\/revisions\/61926"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}