java清空mysql数据库

import java.sql.*;

public class MySQLTruncate {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database";
        String user = "your_username";
        String password = "your_password";

        try (Connection conn = DriverManager.getConnection(url, user, password)) {
            DatabaseMetaData metaData = conn.getMetaData();
            ResultSet tables = metaData.getTables(null, null, "%", new String[] {"TABLE"});

            while (tables.next()) {
                String tableName = tables.getString("TABLE_NAME");
                try (Statement stmt = conn.createStatement()) {
                    stmt.executeUpdate("TRUNCATE TABLE " + tableName);
                    System.out.println("Truncated table: " + tableName);
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}