from PIL import Image
def compress_image(input_image_path, output_image_path, target_width, target_height):
"""
压缩图片到指定尺寸。
:param input_image_path: 原始图片的路径
:param output_image_path: 压缩后图片的保存路径
:param target_width: 目标宽度
:param target_height: 目标高度
"""
# 打开原始图片
original_image = Image.open(input_image_path)
# 获取原始图片的尺寸
original_width, original_height = original_image.size
# 计算压缩比例
width_ratio = target_width / original_width
height_ratio = target_height / original_height
# 确定使用哪个比例进行压缩，避免图片失真
ratio = min(width_ratio, height_ratio)
# 计算新的尺寸
new_width = int(original_width * ratio)
new_height = int(original_height * ratio)
# 压缩图片
compressed_image = original_image.resize((new_width, new_height), Image.LANCZOS)
# Use LANCZOS or Resampling.LANCZOS instead.
# 保存压缩后的图片
compressed_image.save(output_image_path)
# 使用方法
input_path = '1.jpg' # 原始图片路径
output_path = '2.jpg' # 压缩后图片保存路径
target_width = 320 # 目标宽度
target_height = 240 # 目标高度
compress_image(input_path, output_path, target_width, target_height)
标签：target,python,压缩,original,height,width,尺寸,path,image From： https://www.cnblogs.com/flyingsir/p/18052057