如何使用PIL压缩图像

from PIL import Image
import os

def compress_image(input_path, output_path, quality=75):
    """
    压缩图像并保存到指定路径。
    
    :param input_path: 输入图像的路径
    :param output_path: 输出压缩后图像的路径
    :param quality: 图像质量，范围为1-95，默认75
    """
    with Image.open(input_path) as img:
        img.save(output_path, optimize=True, quality=quality)

# 使用示例
input_image = 'example.jpg'
output_image = 'compressed_example.jpg'
compress_image(input_image, output_image, quality=50)

# 检查文件大小变化
original_size = os.path.getsize(input_image)
compressed_size = os.path.getsize(output_image)
print(f'Original size: {original_size} bytes')
print(f'Compressed size: {compressed_size} bytes')