java代码mysql数据库怎么存图片

import java.io.File;
import java.io.FileInputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

public class StoreImageInMySQL {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/your_database_name";
        String username = "your_username";
        String password = "your_password";
        String imagePath = "path_to_your_image.jpg";

        try {
            // 加载MySQL驱动程序
            Class.forName("com.mysql.jdbc.Driver");
            
            // 建立数据库连接
            Connection conn = DriverManager.getConnection(url, username, password);
            
            // 准备SQL语句，插入图片到数据库
            String sql = "INSERT INTO images (name, data, mime_type) VALUES (?, ?, ?)";
            PreparedStatement statement = conn.prepareStatement(sql);
            
            // 设置参数
            statement.setString(1, "image_name");
            File imageFile = new File(imagePath);
            FileInputStream fis = new FileInputStream(imageFile);
            statement.setBinaryStream(2, fis, (int) imageFile.length());
            statement.setString(3, "image/jpeg");
            
            // 执行插入操作
            int rowsInserted = statement.executeUpdate();
            if (rowsInserted > 0) {
                System.out.println("图片已成功存储到数据库。");
            }
            
            // 关闭连接和流
            statement.close();
            fis.close();
            conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}