{"id":1038003,"date":"2024-12-31T12:20:05","date_gmt":"2024-12-31T04:20:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1038003.html"},"modified":"2024-12-31T12:20:08","modified_gmt":"2024-12-31T04:20:08","slug":"python%e5%a6%82%e4%bd%95%e7%94%a8%e5%8f%98%e9%87%8f%e4%bb%a3%e8%a1%a8%e6%96%87%e4%bb%b6%e5%a4%b9","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1038003.html","title":{"rendered":"python\u5982\u4f55\u7528\u53d8\u91cf\u4ee3\u8868\u6587\u4ef6\u5939"},"content":{"rendered":"

\"python\u5982\u4f55\u7528\u53d8\u91cf\u4ee3\u8868\u6587\u4ef6\u5939\"<\/p>\n

\u4f7f\u7528Python\u53d8\u91cf\u6765\u8868\u793a\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/p>\n<\/p>\n

\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u4f7f\u7528\u53d8\u91cf\u6765\u8868\u793a\u6587\u4ef6\u5939\u8def\u5f84\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u64cd\u4f5c\uff0c\u8fd9\u6837\u505a\u53ef\u4ee5\u8ba9\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u6613\u8bfb\uff0c\u5e76\u4e14\u65b9\u4fbf\u7ef4\u62a4\u3002\u901a\u8fc7\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84\u3001\u4f7f\u7528os.path.join\u65b9\u6cd5\u6765\u5904\u7406\u8def\u5f84\u62fc\u63a5\u3001\u5229\u7528Pathlib\u6a21\u5757\u8fdb\u884c\u8def\u5f84\u64cd\u4f5c<\/strong>\uff0c\u8fd9\u4e9b\u90fd\u662f\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8be6\u7ec6\u4ecb\u7ecd\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/h3>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u591a\u6b21\u91cd\u590d\u4f7f\u7528\u76f8\u540c\u7684\u8def\u5f84\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
base_dir = "\/path\/to\/base\/folder"<\/p>\n
sub_dir = "subfolder"<\/p>\n
\u62fc\u63a5\u8def\u5f84<\/strong><\/h2>\n
full_path = os.path.join(base_dir, sub_dir)<\/p>\n
print(full_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cbase_dir<\/code>\u53d8\u91cf\u5b58\u50a8\u4e86\u57fa\u7840\u6587\u4ef6\u5939\u8def\u5f84\uff0csub_dir<\/code>\u53d8\u91cf\u5b58\u50a8\u4e86\u5b50\u6587\u4ef6\u5939\u540d\u79f0\uff0c\u4f7f\u7528os.path.join<\/code>\u65b9\u6cd5\u5c06\u4e24\u4e2a\u8def\u5f84\u62fc\u63a5\u6210\u5b8c\u6574\u7684\u8def\u5f84\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528os.path.join\u65b9\u6cd5\u6765\u5904\u7406\u8def\u5f84\u62fc\u63a5<\/h3>\n<\/p>\n
os.path.join<\/code>\u662fPython\u6807\u51c6\u5e93os<\/code>\u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u591a\u4e2a\u8def\u5f84\u7ec4\u4ef6\u62fc\u63a5\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u8def\u5f84\u3002\u5b83\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u8def\u5f84\u5206\u9694\u7b26\u81ea\u52a8\u5904\u7406\u8def\u5f84\u62fc\u63a5\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
base_dir = "\/path\/to\/base\/folder"<\/p>\n
sub_dir = "subfolder"<\/p>\n
file_name = "example.txt"<\/p>\n
\u62fc\u63a5\u8def\u5f84<\/strong><\/h2>\n
full_path = os.path.join(base_dir, sub_dir, file_name)<\/p>\n
print(full_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528os.path.join<\/code>\u65b9\u6cd5\u5c06\u57fa\u7840\u6587\u4ef6\u5939\u8def\u5f84\u3001\u5b50\u6587\u4ef6\u5939\u540d\u79f0\u548c\u6587\u4ef6\u540d\u62fc\u63a5\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5229\u7528Pathlib\u6a21\u5757\u8fdb\u884c\u8def\u5f84\u64cd\u4f5c<\/h3>\n<\/p>\n
Pathlib<\/code>\u662fPython 3.4\u5f15\u5165\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u7528\u4e8e\u4ee5\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u5f0f\u5904\u7406\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u8def\u5f84\u3002\u76f8\u6bd4\u4e8eos<\/code>\u6a21\u5757\uff0cPathlib<\/code>\u63d0\u4f9b\u4e86\u66f4\u52a0\u76f4\u89c2\u548c\u65b9\u4fbf\u7684\u8def\u5f84\u64cd\u4f5c\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
from pathlib import Path<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
base_dir = Path("\/path\/to\/base\/folder")<\/p>\n
sub_dir = "subfolder"<\/p>\n
file_name = "example.txt"<\/p>\n
\u62fc\u63a5\u8def\u5f84<\/strong><\/h2>\n
full_path = base_dir \/ sub_dir \/ file_name<\/p>\n
print(full_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528Pathlib<\/code>\u6a21\u5757\u7684Path<\/code>\u7c7b\u5b9a\u4e49\u4e86\u57fa\u7840\u6587\u4ef6\u5939\u8def\u5f84\uff0c\u4f7f\u7528\/<\/code>\u64cd\u4f5c\u7b26\u5c06\u8def\u5f84\u7ec4\u4ef6\u62fc\u63a5\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u8def\u5f84\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5904\u7406\u76f8\u5bf9\u8def\u5f84\u548c\u7edd\u5bf9\u8def\u5f84<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5904\u7406\u76f8\u5bf9\u8def\u5f84\u548c\u7edd\u5bf9\u8def\u5f84\u3002\u76f8\u5bf9\u8def\u5f84\u662f\u76f8\u5bf9\u4e8e\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\uff0c\u800c\u7edd\u5bf9\u8def\u5f84\u662f\u4ece\u6839\u76ee\u5f55\u5f00\u59cb\u7684\u5b8c\u6574\u8def\u5f84\u3002\u53ef\u4ee5\u4f7f\u7528os.path.abspath<\/code>\u65b9\u6cd5\u5c06\u76f8\u5bf9\u8def\u5f84\u8f6c\u6362\u4e3a\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
relative_path = "relative\/folder"<\/p>\n
absolute_path = os.path.abspath(relative_path)<\/p>\n
print(absolute_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cos.path.abspath<\/code>\u65b9\u6cd5\u5c06\u76f8\u5bf9\u8def\u5f84\u8f6c\u6362\u4e3a\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728<\/h3>\n<\/p>\n
\u5728\u64cd\u4f5c\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u4e4b\u524d\uff0c\u901a\u5e38\u9700\u8981\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528os.path.exists<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
path = "\/path\/to\/folder"<\/p>\n
\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728<\/strong><\/h2>\n
if os.path.exists(path):<\/p>\n
    print("\u8def\u5f84\u5b58\u5728")<\/p>\n
else:<\/p>\n
    print("\u8def\u5f84\u4e0d\u5b58\u5728")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cos.path.exists<\/code>\u65b9\u6cd5\u7528\u4e8e\u68c0\u67e5\u6307\u5b9a\u8def\u5f84\u662f\u5426\u5b58\u5728\uff0c\u5e76\u6839\u636e\u68c0\u67e5\u7ed3\u679c\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002<\/p>\n<\/p>\n
\u516d\u3001\u521b\u5efa\u6587\u4ef6\u5939<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5728\u6307\u5b9a\u8def\u5f84\u4e0b\u521b\u5efa\u6587\u4ef6\u5939\u3002\u53ef\u4ee5\u4f7f\u7528os.makedirs<\/code>\u65b9\u6cd5\u6765\u521b\u5efa\u6587\u4ef6\u5939\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
path = "\/path\/to\/new\/folder"<\/p>\n
\u521b\u5efa\u6587\u4ef6\u5939<\/strong><\/h2>\n
os.makedirs(path, exist_ok=True)<\/p>\n
print("\u6587\u4ef6\u5939\u521b\u5efa\u6210\u529f")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cos.makedirs<\/code>\u65b9\u6cd5\u7528\u4e8e\u521b\u5efa\u6587\u4ef6\u5939\uff0c\u53c2\u6570exist_ok=True<\/code>\u8868\u793a\u5982\u679c\u6587\u4ef6\u5939\u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u4e0d\u4f1a\u62a5\u9519\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5220\u9664\u6587\u4ef6\u5939<\/h3>\n<\/p>\n
\u5728\u9700\u8981\u5220\u9664\u6587\u4ef6\u5939\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528os.rmdir<\/code>\u65b9\u6cd5\u5220\u9664\u7a7a\u6587\u4ef6\u5939\uff0c\u6216\u8005\u4f7f\u7528shutil.rmtree<\/code>\u65b9\u6cd5\u5220\u9664\u975e\u7a7a\u6587\u4ef6\u5939\u3002<\/p>\n<\/p>\n
import os<\/p>\n
import shutil<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
path = "\/path\/to\/folder"<\/p>\n
\u5220\u9664\u6587\u4ef6\u5939<\/strong><\/h2>\n
if os.path.exists(path):<\/p>\n
    shutil.rmtree(path)<\/p>\n
    print("\u6587\u4ef6\u5939\u5220\u9664\u6210\u529f")<\/p>\n
else:<\/p>\n
    print("\u6587\u4ef6\u5939\u4e0d\u5b58\u5728")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cshutil.rmtree<\/code>\u65b9\u6cd5\u7528\u4e8e\u5220\u9664\u6307\u5b9a\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\u5939\u53ca\u5176\u6240\u6709\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5217\u51fa\u6587\u4ef6\u5939\u4e2d\u7684\u6587\u4ef6<\/h3>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528os.listdir<\/code>\u65b9\u6cd5\u5217\u51fa\u6307\u5b9a\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u548c\u5b50\u6587\u4ef6\u5939\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
path = "\/path\/to\/folder"<\/p>\n
\u5217\u51fa\u6587\u4ef6\u5939\u4e2d\u7684\u6587\u4ef6<\/strong><\/h2>\n
if os.path.exists(path):<\/p>\n
    files = os.listdir(path)<\/p>\n
    print("\u6587\u4ef6\u5939\u4e2d\u7684\u6587\u4ef6\u548c\u5b50\u6587\u4ef6\u5939\uff1a", files)<\/p>\n
else:<\/p>\n
    print("\u6587\u4ef6\u5939\u4e0d\u5b58\u5728")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cos.listdir<\/code>\u65b9\u6cd5\u7528\u4e8e\u5217\u51fa\u6307\u5b9a\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6587\u4ef6\u548c\u5b50\u6587\u4ef6\u5939\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u904d\u5386\u6587\u4ef6\u5939<\/h3>\n<\/p>\n
\u5728\u9700\u8981\u904d\u5386\u6587\u4ef6\u5939\u53ca\u5176\u5b50\u6587\u4ef6\u5939\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528os.walk<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u5939\u8def\u5f84<\/strong><\/h2>\n
path = "\/path\/to\/folder"<\/p>\n
\u904d\u5386\u6587\u4ef6\u5939<\/strong><\/h2>\n
for root, dirs, files in os.walk(path):<\/p>\n
    print("\u5f53\u524d\u6587\u4ef6\u5939\u8def\u5f84\uff1a", root)<\/p>\n
    print("\u5b50\u6587\u4ef6\u5939\uff1a", dirs)<\/p>\n
    print("\u6587\u4ef6\uff1a", files)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cos.walk<\/code>\u65b9\u6cd5\u7528\u4e8e\u904d\u5386\u6307\u5b9a\u6587\u4ef6\u5939\u53ca\u5176\u5b50\u6587\u4ef6\u5939\uff0c\u8fd4\u56de\u5f53\u524d\u6587\u4ef6\u5939\u8def\u5f84\u3001\u5b50\u6587\u4ef6\u5939\u548c\u6587\u4ef6\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5341\u3001\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6\u662f\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528open<\/code>\u65b9\u6cd5\u6765\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u8fdb\u884c\u8bfb\u53d6\u6216\u5199\u5165\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
# \u5b9a\u4e49\u53d8\u91cf\u6765\u5b58\u50a8\u6587\u4ef6\u8def\u5f84<\/p>\n
file_path = "\/path\/to\/file.txt"<\/p>\n
\u5199\u5165\u6587\u4ef6<\/strong><\/h2>\n
with open(file_path, "w") as file:<\/p>\n
    file.write("Hello, World!")<\/p>\n
\u8bfb\u53d6\u6587\u4ef6<\/strong><\/h2>\n
with open(file_path, "r") as file:<\/p>\n
    content = file.read()<\/p>\n
    print("\u6587\u4ef6\u5185\u5bb9\uff1a", content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528open<\/code>\u65b9\u6cd5\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u8fdb\u884c\u5199\u5165\u548c\u8bfb\u53d6\u64cd\u4f5c\u3002\u5199\u5165\u64cd\u4f5c\u4f7f\u7528\u6a21\u5f0f"w"<\/code>\uff0c\u8bfb\u53d6\u64cd\u4f5c\u4f7f\u7528\u6a21\u5f0f"r"<\/code>\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
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