{"id":1019726,"date":"2024-12-27T13:03:46","date_gmt":"2024-12-27T05:03:46","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1019726.html"},"modified":"2024-12-27T13:03:49","modified_gmt":"2024-12-27T05:03:49","slug":"python%e5%a6%82%e4%bd%95%e8%b7%b3%e5%88%b0%e6%9f%90%e4%b8%aa%e8%b7%af%e5%be%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1019726.html","title":{"rendered":"python\u5982\u4f55\u8df3\u5230\u67d0\u4e2a\u8def\u5f84"},"content":{"rendered":"

\"python\u5982\u4f55\u8df3\u5230\u67d0\u4e2a\u8def\u5f84\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8df3\u8f6c\u5230\u67d0\u4e2a\u8def\u5f84\u901a\u5e38\u6307\u7684\u662f\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\uff0c\u4ee5\u4fbf\u5728\u8be5\u76ee\u5f55\u4e0b\u6267\u884c\u6587\u4ef6\u64cd\u4f5c\u3002\u8981\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528os\u6a21\u5757\u4e2d\u7684chdir\u65b9\u6cd5<\/strong>\u3002\u6b64\u5916\uff0cos.path\u6a21\u5757\u5bf9\u4e8e\u8def\u5f84\u64cd\u4f5c\u4e5f\u662f\u975e\u5e38\u6709\u7528\u7684<\/strong>\u3002\u4e86\u89e3\u5982\u4f55\u5904\u7406\u8def\u5f84\u3001\u9a8c\u8bc1\u8def\u5f84\u3001\u4ee5\u53ca\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fdb\u884c\u8def\u5f84\u64cd\u4f5c\u662f\u81f3\u5173\u91cd\u8981\u7684<\/strong>\u3002\u4e0b\u9762\u5c31\u8be6\u7ec6\u8ba8\u8bba\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u6765\u5b9e\u73b0\u8def\u5f84\u8df3\u8f6c\u53ca\u76f8\u5173\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528os\u6a21\u5757\u66f4\u6539\u5de5\u4f5c\u76ee\u5f55<\/h3>\n<\/p>\n

Python\u7684os\u6a21\u5757\u63d0\u4f9b\u4e86\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u7684\u529f\u80fd\uff0c\u5176\u4e2dos.chdir()\u65b9\u6cd5\u7528\u4e8e\u66f4\u6539\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\u3002<\/p>\n<\/p>\n

1. os.chdir()\u65b9\u6cd5<\/h4>\n<\/p>\n

os.chdir(path)\u65b9\u6cd5\u7528\u4e8e\u5c06\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\u66f4\u6539\u4e3a\u6307\u5b9a\u7684\u8def\u5f84\u3002<\/p>\n<\/p>\n

import os<\/p>\n
\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u5230\u6307\u5b9a\u8def\u5f84<\/strong><\/h2>\n
os.chdir('\/path\/to\/directory')<\/p>\n
\u9a8c\u8bc1\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/strong><\/h2>\n
print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55:", os.getcwd())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4f7f\u7528os.chdir()\u65f6\uff0c\u8981\u786e\u4fdd\u8def\u5f84\u5b58\u5728\uff0c\u5426\u5219\u4f1a\u629b\u51faFileNotFoundError\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u5728\u66f4\u6539\u76ee\u5f55\u4e4b\u524d\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728\u3002<\/p>\n<\/p>\n
2. \u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728<\/h4>\n<\/p>\n
\u4f7f\u7528os.path.exists()\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
path = '\/path\/to\/directory'<\/p>\n
if os.path.exists(path):<\/p>\n
    os.chdir(path)<\/p>\n
    print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u66f4\u6539\u4e3a:", os.getcwd())<\/p>\n
else:<\/p>\n
    print("\u8def\u5f84\u4e0d\u5b58\u5728")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6837\u53ef\u4ee5\u5728\u66f4\u6539\u5de5\u4f5c\u76ee\u5f55\u4e4b\u524d\u786e\u4fdd\u8def\u5f84\u7684\u6709\u6548\u6027\uff0c\u4ee5\u907f\u514d\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528os.path\u6a21\u5757\u8fdb\u884c\u8def\u5f84\u64cd\u4f5c<\/h3>\n<\/p>\n
os.path\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7528\u4e8e\u8def\u5f84\u540d\u64cd\u4f5c\u7684\u51fd\u6570\u3002<\/p>\n<\/p>\n
1. \u83b7\u53d6\u7edd\u5bf9\u8def\u5f84<\/h4>\n<\/p>\n
os.path.abspath()\u65b9\u6cd5\u7528\u4e8e\u5c06\u8def\u5f84\u8f6c\u6362\u4e3a\u7edd\u5bf9\u8def\u5f84\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
relative_path = '.\/some_directory'<\/p>\n
absolute_path = os.path.abspath(relative_path)<\/p>\n
print("\u7edd\u5bf9\u8def\u5f84:", absolute_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7edd\u5bf9\u8def\u5f84\u662f\u6307\u4ece\u6839\u76ee\u5f55\u5f00\u59cb\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u8def\u5f84\u7684\u51c6\u786e\u6027\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
2. \u8def\u5f84\u62fc\u63a5<\/h4>\n<\/p>\n
os.path.join()\u65b9\u6cd5\u7528\u4e8e\u667a\u80fd\u5730\u62fc\u63a5\u8def\u5f84\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
base_path = '\/base'<\/p>\n
sub_directory = 'subdir'<\/p>\n
file_name = 'file.txt'<\/p>\n
full_path = os.path.join(base_path, sub_directory, file_name)<\/p>\n
print("\u5b8c\u6574\u8def\u5f84:", full_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
os.path.join()\u65b9\u6cd5\u4f1a\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u7684\u8def\u5f84\u5206\u9694\u7b26\u81ea\u52a8\u5904\u7406\u8def\u5f84\u7684\u62fc\u63a5\uff0c\u907f\u514d\u624b\u52a8\u62fc\u63a5\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5904\u7406\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u8def\u5f84\u5dee\u5f02<\/h3>\n<\/p>\n
\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u6709\u4e0d\u540c\u7684\u8def\u5f84\u8868\u793a\u65b9\u5f0f\uff0cWindows\u4f7f\u7528\u53cd\u659c\u6760\uff08\\\uff09\uff0c\u800cUnix\/Linux\u7cfb\u7edf\u5219\u4f7f\u7528\u6b63\u659c\u6760\uff08\/\uff09\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528os.path.normpath()\u89c4\u8303\u5316\u8def\u5f84<\/h4>\n<\/p>\n
os.path.normpath()\u65b9\u6cd5\u7528\u4e8e\u89c4\u8303\u5316\u8def\u5f84\uff0c\u4f7f\u5176\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8868\u73b0\u4e00\u81f4\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
path = 'folder\\\\subfolder\/..\/file.txt'<\/p>\n
normalized_path = os.path.normpath(path)<\/p>\n
print("\u89c4\u8303\u5316\u8def\u5f84:", normalized_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6d88\u9664\u8def\u5f84\u4e2d\u7684\u5197\u4f59\u5143\u7d20\uff0c\u5982\u201c..\u201d\u548c\u201c.\u201d\uff0c\u786e\u4fdd\u8def\u5f84\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528os.sep\u83b7\u53d6\u7cfb\u7edf\u7684\u8def\u5f84\u5206\u9694\u7b26<\/h4>\n<\/p>\n
os.sep\u5e38\u91cf\u63d0\u4f9b\u4e86\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\u7684\u8def\u5f84\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u7528\u4e8e\u8def\u5f84\u7684\u624b\u52a8\u6784\u5efa\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
path = 'folder' + os.sep + 'subfolder' + os.sep + 'file.txt'<\/p>\n
print("\u8def\u5f84:", path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528os.sep\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u79fb\u690d\u6027\uff0c\u56e0\u4e3a\u5b83\u4f1a\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u8c03\u6574\u5206\u9694\u7b26\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5904\u7406\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26<\/h3>\n<\/p>\n
\u5904\u7406\u8def\u5f84\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\u7a7a\u683c\u3001\u7279\u6b8a\u7b26\u53f7\u7b49\u3002\u6b63\u786e\u5904\u7406\u8fd9\u4e9b\u5b57\u7b26\u5bf9\u4e8e\u8def\u5f84\u64cd\u4f5c\u7684\u6210\u529f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n
1. \u8def\u5f84\u4e2d\u7684\u7a7a\u683c<\/h4>\n<\/p>\n
\u5728\u8def\u5f84\u4e2d\u5305\u542b\u7a7a\u683c\u65f6\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528\u5f15\u53f7\u6216\u8f6c\u4e49\u5b57\u7b26\u6765\u5904\u7406\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u4f7f\u7528\u5f15\u53f7<\/strong><\/h2>\n
path = "C:\/Program Files\/Some Application"<\/p>\n
\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26<\/strong><\/h2>\n
path = "C:\\\\Program Files\\\\Some Application"<\/p>\n
os.chdir(path)<\/p>\n
print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55:", os.getcwd())<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u975eASCII\u5b57\u7b26<\/h4>\n<\/p>\n
\u5728\u5904\u7406\u5305\u542b\u975eASCII\u5b57\u7b26\u7684\u8def\u5f84\u65f6\uff0c\u6700\u597d\u4f7f\u7528Unicode\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u4f7f\u7528Unicode\u5b57\u7b26\u4e32<\/strong><\/h2>\n
path = u"C:\/\u8def\u5f84\/\u6587\u4ef6"<\/p>\n
os.chdir(path)<\/p>\n
print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55:", os.getcwd())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26\u88ab\u6b63\u786e\u8bc6\u522b\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u8def\u5f84\u7684\u8de8\u5e73\u53f0\u5904\u7406<\/h3>\n<\/p>\n
\u5728\u5f00\u53d1\u9700\u8981\u8de8\u5e73\u53f0\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u8def\u5f84\u5904\u7406\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528pathlib\u6a21\u5757<\/h4>\n<\/p>\n
pathlib\u6a21\u5757\u662fPython 3\u5f15\u5165\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u8def\u5f84\u3002\u5b83\u63d0\u4f9b\u4e86\u66f4\u4e3a\u9762\u5411\u5bf9\u8c61\u548c\u5e73\u53f0\u65e0\u5173\u7684\u8def\u5f84\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
from pathlib import Path<\/p>\n
\u521b\u5efa\u8def\u5f84\u5bf9\u8c61<\/strong><\/h2>\n
path = Path('\/path\/to\/directory')<\/p>\n
\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/strong><\/h2>\n
os.chdir(path)<\/p>\n
print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55:", os.getcwd())<\/p>\n
<\/code><\/pre>\n<\/p>\n
pathlib\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u7684\u8def\u5f84\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5efa\u8bae\u5728\u73b0\u4ee3Python\u5e94\u7528\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\n
2. \u68c0\u67e5\u8def\u5f84\u7684\u6709\u6548\u6027<\/h4>\n<\/p>\n
\u4f7f\u7528pathlib\u6a21\u5757\u4e5f\u53ef\u4ee5\u8f7b\u677e\u68c0\u67e5\u8def\u5f84\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<\/p>\n
from pathlib import Path<\/p>\n
path = Path('\/path\/to\/directory')<\/p>\n
if path.exists():<\/p>\n
    os.chdir(path)<\/p>\n
    print("\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u66f4\u6539\u4e3a:", os.getcwd())<\/p>\n
else:<\/p>\n
    print("\u8def\u5f84\u4e0d\u5b58\u5728")<\/p>\n
<\/code><\/pre>\n<\/p>\n
pathlib\u6a21\u5757\u63d0\u4f9b\u4e86\u66f4\u4e3a\u76f4\u89c2\u7684\u65b9\u6cd5\u6765\u68c0\u67e5\u8def\u5f84\u7684\u6709\u6548\u6027\uff0c\u5e76\u4e14\u652f\u6301\u5404\u79cd\u8def\u5f84\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u516d\u3001\u8def\u5f84\u64cd\u4f5c\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n
\u5728\u8fdb\u884c\u8def\u5f84\u64cd\u4f5c\u65f6\uff0c\u6709\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u53ef\u4ee5\u5e2e\u52a9\u907f\u514d\u5e38\u89c1\u95ee\u9898\uff0c\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
1. \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84<\/h4>\n<\/p>\n
\u5c3d\u91cf\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u800c\u4e0d\u662f\u76f8\u5bf9\u8def\u5f84\uff0c\u4ee5\u51cf\u5c11\u8def\u5f84\u9519\u8bef\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
absolute_path = os.path.abspath('.\/some_directory')<\/p>\n
os.chdir(absolute_path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7edd\u5bf9\u8def\u5f84\u51cf\u5c11\u4e86\u8def\u5f84\u8ba1\u7b97\u7684\u590d\u6742\u6027\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7a33\u5065\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/h4>\n<\/p>\n
\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u53ef\u4ee5\u786e\u4fdd\u4ee3\u7801\u5757\u6267\u884c\u5b8c\u6bd5\u540e\u8fd4\u56de\u5230\u539f\u59cb\u5de5\u4f5c\u76ee\u5f55\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
from contextlib import contextmanager<\/p>\n
@contextmanager<\/p>\n
def change_dir(destination):<\/p>\n
    try:<\/p>\n
        current_dir = os.getcwd()<\/p>\n
        os.chdir(destination)<\/p>\n
        yield<\/p>\n
    finally:<\/p>\n
        os.chdir(current_dir)<\/p>\n
with change_dir('\/path\/to\/directory'):<\/p>\n
    # \u5728\u65b0\u76ee\u5f55\u4e2d\u6267\u884c\u64cd\u4f5c<\/p>\n
    pass<\/p>\n
\u81ea\u52a8\u8fd4\u56de\u5230\u539f\u59cb\u76ee\u5f55<\/strong><\/h2>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u8d44\u6e90\u91ca\u653e\uff0c\u662f\u4e00\u79cd\u4f18\u96c5\u7684\u4ee3\u7801\u7ed3\u6784\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
3. \u907f\u514d\u786c\u7f16\u7801\u8def\u5f84<\/h4>\n<\/p>\n
\u5c3d\u91cf\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u8def\u5f84\uff0c\u800c\u662f\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u6216\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
\u4ece\u73af\u5883\u53d8\u91cf\u8bfb\u53d6\u8def\u5f84<\/strong><\/h2>\n
path = os.getenv('MY_APP_DIRECTORY', '\/default\/path')<\/p>\n
os.chdir(path)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u914d\u7f6e\u6027\u3002<\/p>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u5728Python\u4e2d\u66f4\u6539\u8def\u5f84\u6d89\u53ca\u591a\u4e2a\u65b9\u9762\u7684\u77e5\u8bc6\uff0c\u5305\u62ecos\u6a21\u5757\u3001os.path\u6a21\u5757\u3001pathlib\u6a21\u5757\u7684\u4f7f\u7528\uff0c\u4ee5\u53ca\u8def\u5f84\u64cd\u4f5c\u7684\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u548c\u6700\u4f73\u5b9e\u8df5\u3002\u6b63\u786e\u5904\u7406\u8def\u5f84\u5bf9\u4e8e\u6587\u4ef6\u64cd\u4f5c\u7684\u6210\u529f\u81f3\u5173\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u5f00\u53d1\u9700\u8981\u8de8\u5e73\u53f0\u652f\u6301\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\u3002\u901a\u8fc7\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u6982\u5ff5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6587\u4ef6\u7cfb\u7edf\u8def\u5f84\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528os<\/code>\u6a21\u5757\u4e2d\u7684chdir()<\/code>\u51fd\u6570\u6765\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u3002\u901a\u8fc7\u8c03\u7528os.chdir(path)<\/code>\uff0c\u60a8\u53ef\u4ee5\u5c06\u5de5\u4f5c\u76ee\u5f55\u66f4\u6539\u4e3a\u6307\u5b9a\u7684\u8def\u5f84\u3002\u786e\u4fdd\u5728\u8c03\u7528\u6b64\u51fd\u6570\u4e4b\u524d\uff0c\u8be5\u8def\u5f84\u662f\u6709\u6548\u7684\uff0c\u5426\u5219\u5c06\u5f15\u53d1\u5f02\u5e38\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528os.getcwd()<\/code>\u6765\u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u8def\u5f84\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u68c0\u67e5\u6307\u5b9a\u8def\u5f84\u662f\u5426\u5b58\u5728\uff1f<\/strong>
\u8981\u68c0\u67e5\u4e00\u4e2a\u8def\u5f84\u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u4f7f\u7528os.path<\/code>\u6a21\u5757\u4e2d\u7684exists()<\/code>\u51fd\u6570\u3002\u8c03\u7528os.path.exists(path)<\/code>\u5c06\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u8be5\u8def\u5f84\u662f\u5426\u5b58\u5728\u3002\u8fd9\u5bf9\u4e8e\u786e\u4fdd\u5728\u66f4\u6539\u5de5\u4f5c\u76ee\u5f55\u4e4b\u524d\u8def\u5f84\u7684\u6709\u6548\u6027\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5217\u51fa\u7279\u5b9a\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\u548c\u6587\u4ef6\u5939\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528os.listdir(path)<\/code>\u51fd\u6570\u6765\u5217\u51fa\u6307\u5b9a\u8def\u5f84\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u3002\u6b64\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u8be5\u8def\u5f84\u4e0b\u6240\u6709\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u540d\u79f0\u7684\u5217\u8868\u3002\u7ed3\u5408\u4f7f\u7528os.path.join()<\/code>\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u5b8c\u6574\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8df3\u8f6c\u5230\u67d0\u4e2a\u8def\u5f84\u901a\u5e38\u6307\u7684\u662f\u66f4\u6539\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\uff0c\u4ee5\u4fbf\u5728\u8be5\u76ee\u5f55\u4e0b\u6267\u884c\u6587\u4ef6\u64cd\u4f5c\u3002\u8981\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528 […]","protected":false},"author":3,"featured_media":1019738,"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\/1019726"}],"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=1019726"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1019726\/revisions"}],"predecessor-version":[{"id":1019740,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1019726\/revisions\/1019740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1019738"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1019726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1019726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1019726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}