86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
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"""
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小程序图片压缩脚本
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压缩 static 目录下的所有图片，减少主包体积
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"""
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from PIL import Image
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import os
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import sys
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def compress_image(input_path, output_path, quality=60):
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"""压缩图片"""
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try:
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img = Image.open(input_path)
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# 转换RGBA为RGB
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if img.mode == 'RGBA':
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background = Image.new('RGB', img.size, (255, 255, 255))
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background.paste(img, mask=img.split()[3])
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img = background
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elif img.mode != 'RGB':
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img = img.convert('RGB')
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# 获取原始大小
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original_size = os.path.getsize(input_path) / 1024
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# 压缩保存
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img.save(output_path, 'JPEG', quality=quality, optimize=True)
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# 获取压缩后大小
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compressed_size = os.path.getsize(output_path) / 1024
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print(f"✓ {os.path.basename(input_path)}: {original_size:.1f}KB -> {compressed_size:.1f}KB (减少 {((original_size-compressed_size)/original_size*100):.1f}%)")
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return True
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except Exception as e:
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print(f"✗ 压缩失败 {input_path}: {str(e)}")
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return False
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def main():
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static_dir = "peidu/uniapp/src/static"
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# 需要压缩的目录
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dirs_to_compress = ['banner', 'button']
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total_original = 0
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total_compressed = 0
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success_count = 0
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print("=" * 60)
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print("开始压缩小程序图片...")
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print("=" * 60)
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for dir_name in dirs_to_compress:
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dir_path = os.path.join(static_dir, dir_name)
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if not os.path.exists(dir_path):
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print(f"⚠ 目录不存在: {dir_path}")
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continue
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print(f"\n处理目录: {dir_name}/")
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print("-" * 60)
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for filename in os.listdir(dir_path):
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if filename.lower().endswith(('.jpg', '.jpeg', '.png')):
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input_path = os.path.join(dir_path, filename)
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output_path = input_path
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original_size = os.path.getsize(input_path) / 1024
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total_original += original_size
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if compress_image(input_path, output_path, quality=60):
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compressed_size = os.path.getsize(output_path) / 1024
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total_compressed += compressed_size
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success_count += 1
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print("\n" + "=" * 60)
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print("压缩完成！")
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print("=" * 60)
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print(f"成功压缩: {success_count} 个文件")
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print(f"原始总大小: {total_original:.1f}KB")
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print(f"压缩后总大小: {total_compressed:.1f}KB")
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print(f"节省空间: {total_original - total_compressed:.1f}KB ({((total_original-total_compressed)/total_original*100):.1f}%)")
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print("=" * 60)
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if __name__ == "__main__":
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main()
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