java执行mysql delete语句

DELETE FROM table_name WHERE condition;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class DeleteExample {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String user = "username";
        String password = "password";

        String sql = "DELETE FROM users WHERE id = ?";

        try (Connection conn = DriverManager.getConnection(url, user, password);
             PreparedStatement pstmt = conn.prepareStatement(sql)) {

            pstmt.setInt(1, 123); // 假设要删除id为123的用户
            int affectedRows = pstmt.executeUpdate();

            System.out.println("Deleted " + affectedRows + " row(s).");

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}