{"id":1038081,"date":"2024-12-31T12:20:48","date_gmt":"2024-12-31T04:20:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1038081.html"},"modified":"2024-12-31T12:20:51","modified_gmt":"2024-12-31T04:20:51","slug":"python%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96%e6%96%87%e4%bb%b6%e5%a4%b9%e5%86%85%e5%9b%be%e7%89%87","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1038081.html","title":{"rendered":"python\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u56fe\u7247"},"content":{"rendered":"

\"python\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u56fe\u7247\"<\/p>\n

Python\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u56fe\u7247\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528os\u6a21\u5757\u3001glob\u6a21\u5757\u548cPIL\u5e93\u7b49\u3002\u5177\u4f53\u65b9\u6cd5\u6709\uff1a<\/strong><\/p>\n<\/p>\n

1. \u4f7f\u7528os\u6a21\u5757\u904d\u5386\u6587\u4ef6\u5939\u30012. \u4f7f\u7528glob\u6a21\u5757\u8fdb\u884c\u6587\u4ef6\u5339\u914d\u30013. \u4f7f\u7528PIL\u5e93\u52a0\u8f7d\u56fe\u7247\u3002<\/strong><\/p>\n<\/p>\n

\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u6bcf\u79cd\u65b9\u6cd5\u53ca\u5176\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528os\u6a21\u5757\u904d\u5386\u6587\u4ef6\u5939<\/h3>\n<\/p>\n

os\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u975e\u5e38\u591a\u7684\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u7684\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528os\u6a21\u5757\u6765\u904d\u5386\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6\uff0c\u5e76\u7b5b\u9009\u51fa\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n

1.1 \u904d\u5386\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6<\/h4>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528os.listdir()\u51fd\u6570\u6765\u83b7\u53d6\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u540d\u3002\u7136\u540e\uff0c\u4f7f\u7528os.path.isfile()\u51fd\u6570\u6765\u5224\u65ad\u6bcf\u4e2a\u6587\u4ef6\u662f\u5426\u662f\u4e00\u4e2a\u6587\u4ef6\u3002<\/p>\n<\/p>\n

import os<\/p>\n
def list_files(directory):<\/p>\n
    files = []<\/p>\n
    for filename in os.listdir(directory):<\/p>\n
        if os.path.isfile(os.path.join(directory, filename)):<\/p>\n
            files.append(filename)<\/p>\n
    return files<\/p>\n
directory = 'path\/to\/your\/folder'<\/p>\n
print(list_files(directory))<\/p>\n
<\/code><\/pre>\n<\/p>\n
1.2 \u7b5b\u9009\u51fa\u56fe\u7247\u6587\u4ef6<\/h4>\n<\/p>\n
\u4e3a\u4e86\u7b5b\u9009\u51fa\u56fe\u7247\u6587\u4ef6\uff0c\u53ef\u4ee5\u6839\u636e\u6587\u4ef6\u7684\u6269\u5c55\u540d\u6765\u5224\u65ad\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u56fe\u7247\u7684\u6269\u5c55\u540d\u6709.jpg\u3001.jpeg\u3001.png\u3001.bmp\u7b49\u3002<\/p>\n<\/p>\n
import os<\/p>\n
def list_image_files(directory):<\/p>\n
    image_extensions = ('.jpg', '.jpeg', '.png', '.bmp')<\/p>\n
    image_files = []<\/p>\n
    for filename in os.listdir(directory):<\/p>\n
        if os.path.isfile(os.path.join(directory, filename)) and filename.lower().endswith(image_extensions):<\/p>\n
            image_files.append(filename)<\/p>\n
    return image_files<\/p>\n
directory = 'path\/to\/your\/folder'<\/p>\n
print(list_image_files(directory))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528glob\u6a21\u5757\u8fdb\u884c\u6587\u4ef6\u5339\u914d<\/h3>\n<\/p>\n
glob\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u57fa\u4e8eUnix\u98ce\u683c\u7684\u8def\u5f84\u540d\u6a21\u5f0f\u5339\u914d\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528glob\u6a21\u5757\u6765\u5339\u914d\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n
2.1 \u5339\u914d\u6240\u6709\u56fe\u7247\u6587\u4ef6<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528glob.glob()\u51fd\u6570\u6765\u5339\u914d\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n
import glob<\/p>\n
def list_image_files(directory):<\/p>\n
    image_files = []<\/p>\n
    for extension in ('*.jpg', '*.jpeg', '*.png', '*.bmp'):<\/p>\n
        image_files.extend(glob.glob(os.path.join(directory, extension)))<\/p>\n
    return image_files<\/p>\n
directory = 'path\/to\/your\/folder'<\/p>\n
print(list_image_files(directory))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528PIL\u5e93\u52a0\u8f7d\u56fe\u7247<\/h3>\n<\/p>\n
PIL\uff08Python Imaging Library\uff09\u662fPython\u4e2d\u975e\u5e38\u8457\u540d\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0cPillow\u662fPIL\u7684\u4e00\u4e2a\u53cb\u597d\u5206\u652f\u548c\u66ff\u4ee3\u54c1\u3002\u53ef\u4ee5\u4f7f\u7528PIL\u5e93\u6765\u52a0\u8f7d\u548c\u5904\u7406\u56fe\u7247\u3002<\/p>\n<\/p>\n
3.1 \u5b89\u88c5Pillow\u5e93<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u9700\u8981\u5b89\u88c5Pillow\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528pip\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install Pillow<\/p>\n
<\/code><\/pre>\n<\/p>\n
3.2 \u52a0\u8f7d\u56fe\u7247\u6587\u4ef6<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u53ef\u4ee5\u4f7f\u7528Pillow\u5e93\u6765\u52a0\u8f7d\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n
from PIL import Image<\/p>\n
import os<\/p>\n
def load_images(directory):<\/p>\n
    image_extensions = ('.jpg', '.jpeg', '.png', '.bmp')<\/p>\n
    images = []<\/p>\n
    for filename in os.listdir(directory):<\/p>\n
        if os.path.isfile(os.path.join(directory, filename)) and filename.lower().endswith(image_extensions):<\/p>\n
            img = Image.open(os.path.join(directory, filename))<\/p>\n
            images.append(img)<\/p>\n
    return images<\/p>\n
directory = 'path\/to\/your\/folder'<\/p>\n
images = load_images(directory)<\/p>\n
for img in images:<\/p>\n
    img.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u7ed3\u5408\u4f7f\u7528os\u6a21\u5757\u548cPIL\u5e93\u8fdb\u884c\u56fe\u50cf\u5904\u7406<\/h3>\n<\/p>\n
\u7ed3\u5408\u4f7f\u7528os\u6a21\u5757\u548cPIL\u5e93\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6587\u4ef6\u5939\u5185\u56fe\u7247\u7684\u8bfb\u53d6\u548c\u8fdb\u4e00\u6b65\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n
4.1 \u8bfb\u53d6\u5e76\u5904\u7406\u56fe\u7247<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5728\u8bfb\u53d6\u56fe\u7247\u540e\uff0c\u8fdb\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\uff0c\u4f8b\u5982\u8c03\u6574\u5927\u5c0f\u3001\u65cb\u8f6c\u3001\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\u7b49\u3002<\/p>\n<\/p>\n
from PIL import Image<\/p>\n
import os<\/p>\n
def process_images(directory):<\/p>\n
    image_extensions = ('.jpg', '.jpeg', '.png', '.bmp')<\/p>\n
    processed_images = []<\/p>\n
    for filename in os.listdir(directory):<\/p>\n
        if os.path.isfile(os.path.join(directory, filename)) and filename.lower().endswith(image_extensions):<\/p>\n
            img = Image.open(os.path.join(directory, filename))<\/p>\n
            img = img.resize((128, 128))  # \u8c03\u6574\u5927\u5c0f<\/p>\n
            img = img.rotate(45)  # \u65cb\u8f6c<\/p>\n
            img = img.convert('L')  # \u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf<\/p>\n
            processed_images.append(img)<\/p>\n
    return processed_images<\/p>\n
directory = 'path\/to\/your\/folder'<\/p>\n
processed_images = process_images(directory)<\/p>\n
for img in processed_images:<\/p>\n
    img.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u7684\u56fe\u7247\u5e76\u8fdb\u884c\u5404\u79cd\u5904\u7406\u3002os\u6a21\u5757\u548cglob\u6a21\u5757\u63d0\u4f9b\u4e86\u904d\u5386\u548c\u5339\u914d\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u800cPillow\u5e93\u5219\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\u3002\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5927\u591a\u6570\u56fe\u7247\u8bfb\u53d6\u548c\u5904\u7406\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u56fe\u7247\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u5e93\u6765\u8bfb\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u56fe\u7247\uff0c\u6bd4\u5982PIL\uff08Pillow\uff09\u6216OpenCV\u3002\u4f7f\u7528Pillow\u5e93\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u8bfb\u53d6JPEG\u683c\u5f0f\u7684\u56fe\u7247\uff1a  <\/p>\n
from PIL import Image\nimage = Image.open('path_to_your_image.jpg')\nimage.show()\n<\/code><\/pre>\n
\u786e\u4fdd\u5b89\u88c5\u4e86Pillow\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4pip install Pillow<\/code>\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n
\u5982\u4f55\u6279\u91cf\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u7684\u6240\u6709\u56fe\u7247\uff1f<\/strong>
\u5982\u679c\u60a8\u60f3\u8981\u6279\u91cf\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u7684\u6240\u6709\u56fe\u7247\uff0c\u53ef\u4ee5\u4f7f\u7528os<\/code>\u5e93\u7ed3\u5408Pillow\u3002\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u5982\u4f55\u8bfb\u53d6\u6307\u5b9a\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709PNG\u56fe\u7247\uff1a  <\/p>\n
import os\nfrom PIL import Image\n\nfolder_path = 'path_to_your_folder'\nfor filename in os.listdir(folder_path):\n    if filename.endswith('.png'):\n        image = Image.open(os.path.join(folder_path, filename))\n        image.show()\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7075\u6d3b\u5904\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u56fe\u7247\uff0c\u53ea\u9700\u66f4\u6539if<\/code>\u8bed\u53e5\u4e2d\u7684\u6587\u4ef6\u540e\u7f00\u540d\u3002<\/p>\n
\u5982\u4f55\u5728\u8bfb\u53d6\u56fe\u7247\u540e\u8fdb\u884c\u5904\u7406\u6216\u8f6c\u6362\uff1f<\/strong>
\u8bfb\u53d6\u56fe\u7247\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Pillow\u5e93\u8fdb\u884c\u5404\u79cd\u5904\u7406\uff0c\u4f8b\u5982\u8c03\u6574\u5927\u5c0f\u3001\u65cb\u8f6c\u6216\u6ee4\u955c\u6548\u679c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c06\u56fe\u7247\u8c03\u6574\u4e3a100×100\u50cf\u7d20\uff1a  <\/p>\n
image = Image.open('path_to_your_image.jpg')\nresized_image = image.resize((100, 100))\nresized_image.show()\n<\/code><\/pre>\n
\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97Python\u6210\u4e3a\u5904\u7406\u548c\u5206\u6790\u56fe\u50cf\u6570\u636e\u7684\u5f3a\u5927\u5de5\u5177\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8bfb\u53d6\u6587\u4ef6\u5939\u5185\u56fe\u7247\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528os\u6a21\u5757\u3001glob\u6a21\u5757\u548cPIL\u5e93\u7b49\u3002\u5177\u4f53\u65b9\u6cd5\u6709\uff1a 1. \u4f7f\u7528os\u6a21\u5757 […]","protected":false},"author":3,"featured_media":1038088,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1038081"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1038081"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1038081\/revisions"}],"predecessor-version":[{"id":1038094,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1038081\/revisions\/1038094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1038088"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1038081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1038081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1038081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}