{"id":1082377,"date":"2025-01-08T12:48:17","date_gmt":"2025-01-08T04:48:17","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1082377.html"},"modified":"2025-01-08T12:48:19","modified_gmt":"2025-01-08T04:48:19","slug":"python%e5%a6%82%e4%bd%95%e7%9c%8b%e5%b7%a5%e4%bd%9c%e7%8e%af%e5%a2%83%e5%8f%98%e9%87%8f-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1082377.html","title":{"rendered":"python\u5982\u4f55\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf"},"content":{"rendered":"

\"python\u5982\u4f55\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf\"<\/p>\n

Python\u5982\u4f55\u67e5\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u67e5\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf\u7684\u65b9\u6cd5\u5305\u62ec\u591a\u79cd\uff0c\u4f8b\u5982\u4f7f\u7528os<\/code>\u6a21\u5757\u3001\u4f7f\u7528dotenv<\/code>\u5305\u3001\u4ee5\u53ca\u901a\u8fc7\u547d\u4ee4\u884c\u67e5\u770b\u7b49\u3002\u5e38\u89c1\u7684\u65b9\u5f0f\u6709\uff1a\u4f7f\u7528os.environ\u3001\u5229\u7528dotenv\u5305\u52a0\u8f7d\u73af\u5883\u53d8\u91cf\u3001\u901a\u8fc7\u547d\u4ee4\u884c\u68c0\u7d22\u7b49<\/strong>\u3002\u5176\u4e2d\uff0cos.environ<\/code>\u662f\u6700\u5e38\u7528\u4e14\u76f4\u63a5\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528os<\/code>\u6a21\u5757\u6765\u67e5\u770b\u548c\u64cd\u4f5c\u73af\u5883\u53d8\u91cf\u3002\u9996\u5148\uff0c\u4f7f\u7528os.environ<\/code>\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u5f53\u524d\u7684\u73af\u5883\u53d8\u91cf\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u5b57\u5178\u7684\u65b9\u5f0f\u8bbf\u95ee\u5177\u4f53\u7684\u53d8\u91cf\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

import os<\/p>\n
\u83b7\u53d6\u6240\u6709\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
env_vars = os.environ<\/p>\n
print(env_vars)<\/p>\n
\u83b7\u53d6\u7279\u5b9a\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
path_var = os.environ.get('PATH')<\/p>\n
print(f'PATH: {path_var}')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u5230\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\u4ee5\u53ca\u5177\u4f53\u7684\u67d0\u4e2a\u73af\u5883\u53d8\u91cf\u7684\u503c\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u9010\u6b65\u63a2\u8ba8\u66f4\u591a\u7684\u65b9\u6cd5\u548c\u7528\u4f8b\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528os\u6a21\u5757\u67e5\u770b\u73af\u5883\u53d8\u91cf<\/h2>\n<\/p>\n
os<\/code>\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u63d0\u4f9b\u4e86\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u4ea4\u4e92\u7684\u51fd\u6570\u3002\u901a\u8fc7os.environ<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u83b7\u53d6\u3001\u8bbe\u7f6e\u548c\u5220\u9664\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<\/p>\n
1\u3001\u83b7\u53d6\u6240\u6709\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u4f7f\u7528os.environ<\/code>\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\uff0c\u8fd9\u4e9b\u53d8\u91cf\u4ee5\u5b57\u5178\u5f62\u5f0f\u5b58\u50a8\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u8fd9\u4e2a\u5b57\u5178\u6765\u67e5\u770b\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\u53ca\u5176\u503c\u3002<\/p>\n<\/p>\n
import os<\/p>\n
env_vars = os.environ<\/p>\n
for key, value in env_vars.items():<\/p>\n
    print(f'{key}: {value}')<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u83b7\u53d6\u7279\u5b9a\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u5982\u679c\u60a8\u53ea\u60f3\u83b7\u53d6\u7279\u5b9a\u7684\u73af\u5883\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528os.environ.get()<\/code>\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u8fd4\u56de\u6307\u5b9a\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u5982\u679c\u73af\u5883\u53d8\u91cf\u4e0d\u5b58\u5728\uff0c\u5219\u8fd4\u56deNone<\/code>\u3002<\/p>\n<\/p>\n
import os<\/p>\n
path_var = os.environ.get('PATH')<\/p>\n
print(f'PATH: {path_var}')<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u60a8\u53ef\u4ee5\u901a\u8fc7os.environ<\/code>\u5b57\u5178\u6765\u8bbe\u7f6e\u65b0\u7684\u73af\u5883\u53d8\u91cf\u6216\u4fee\u6539\u73b0\u6709\u7684\u73af\u5883\u53d8\u91cf\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
\u8bbe\u7f6e\u65b0\u7684\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
os.environ['MY_VAR'] = 'my_value'<\/p>\n
\u4fee\u6539\u73b0\u6709\u7684\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
os.environ['PATH'] = '\/new\/path'<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u5220\u9664\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u5982\u679c\u9700\u8981\u5220\u9664\u67d0\u4e2a\u73af\u5883\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528del<\/code>\u5173\u952e\u5b57\u3002<\/p>\n<\/p>\n
import os<\/p>\n
\u5220\u9664\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
del os.environ['MY_VAR']<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528dotenv\u5305\u52a0\u8f7d\u73af\u5883\u53d8\u91cf<\/h2>\n<\/p>\n
dotenv<\/code>\u5305\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4ece.env<\/code>\u6587\u4ef6\u4e2d\u52a0\u8f7d\u73af\u5883\u53d8\u91cf\uff0c\u8fd9\u5bf9\u4e8e\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u6709\u7528\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88c5python-dotenv<\/code>\u5305\uff1a<\/p>\n<\/p>\n
pip install python-dotenv<\/p>\n
<\/code><\/pre>\n<\/p>\n
1\u3001\u521b\u5efa.env\u6587\u4ef6<\/h3>\n<\/p>\n
\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a.env<\/code>\u6587\u4ef6\uff0c\u5e76\u5728\u5176\u4e2d\u5b9a\u4e49\u73af\u5883\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
DATABASE_URL=postgres:\/\/user:password@localhost\/dbname<\/p>\n
SECRET_KEY=mysecretkey<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u52a0\u8f7d.env\u6587\u4ef6<\/h3>\n<\/p>\n
\u4f7f\u7528dotenv<\/code>\u5305\u52a0\u8f7d.env<\/code>\u6587\u4ef6\u4e2d\u7684\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n<\/p>\n
from dotenv import load_dotenv<\/p>\n
import os<\/p>\n
\u52a0\u8f7d.env\u6587\u4ef6<\/strong><\/h2>\n
load_dotenv()<\/p>\n
\u83b7\u53d6\u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n
database_url = os.environ.get('DATABASE_URL')<\/p>\n
secret_key = os.environ.get('SECRET_KEY')<\/p>\n
print(f'DATABASE_URL: {database_url}')<\/p>\n
print(f'SECRET_KEY: {secret_key}')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u901a\u8fc7\u547d\u4ee4\u884c\u67e5\u770b\u73af\u5883\u53d8\u91cf<\/h2>\n<\/p>\n
\u9664\u4e86\u5728Python\u4ee3\u7801\u4e2d\u67e5\u770b\u73af\u5883\u53d8\u91cf\uff0c\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u67e5\u770b\u5f53\u524d\u7684\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<\/p>\n
1\u3001Windows\u7cfb\u7edf<\/h3>\n<\/p>\n
\u5728Windows\u7cfb\u7edf\u4e0a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528set<\/code>\u547d\u4ee4\u6765\u67e5\u770b\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n<\/p>\n
set<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001Linux\u548cmacOS\u7cfb\u7edf<\/h3>\n<\/p>\n
\u5728Linux\u548cmacOS\u7cfb\u7edf\u4e0a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528env<\/code>\u6216printenv<\/code>\u547d\u4ee4\u6765\u67e5\u770b\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n<\/p>\n
env<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6216\u8005<\/p>\n<\/p>\n
printenv<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<\/p>\n
\u5728\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u5b89\u5168\u6027\u548c\u53ef\u79fb\u690d\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u7684\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<\/p>\n
1\u3001\u5c06\u654f\u611f\u4fe1\u606f\u5b58\u50a8\u5728\u73af\u5883\u53d8\u91cf\u4e2d<\/h3>\n<\/p>\n
\u5c06\u6570\u636e\u5e93\u5bc6\u7801\u3001API\u5bc6\u94a5\u7b49\u654f\u611f\u4fe1\u606f\u5b58\u50a8\u5728\u73af\u5883\u53d8\u91cf\u4e2d\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5199\u5728\u4ee3\u7801\u4e2d\u3002\u8fd9\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528.env<\/code>\u6587\u4ef6\u7ba1\u7406\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528.env<\/code>\u6587\u4ef6\u6765\u7ba1\u7406\u73af\u5883\u53d8\u91cf\uff0c\u5e76\u5728\u90e8\u7f72\u65f6\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u914d\u7f6e\u5de5\u5177\u6765\u8bbe\u7f6e\u751f\u4ea7\u73af\u5883\u7684\u53d8\u91cf\u3002<\/p>\n<\/p>\n
3\u3001\u907f\u514d\u5728\u4ee3\u7801\u4e2d\u786c\u7f16\u7801\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
\u5728\u4ee3\u7801\u4e2d\u907f\u514d\u786c\u7f16\u7801\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u800c\u662f\u901a\u8fc7os.environ.get()<\/code>\u6765\u83b7\u53d6\u73af\u5883\u53d8\u91cf\u7684\u503c\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
4\u3001\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6765\u914d\u7f6e\u5e94\u7528\u7a0b\u5e8f<\/h3>\n<\/p>\n
\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6765\u914d\u7f6e\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u3001\u65e5\u5fd7\u7ea7\u522b\u7b49\u3002\u8fd9\u53ef\u4ee5\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u66f4\u5bb9\u6613\u914d\u7f6e\u548c\u90e8\u7f72\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n<\/p>\n
1\u3001\u73af\u5883\u53d8\u91cf\u672a\u751f\u6548<\/h3>\n<\/p>\n
\u5982\u679c\u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\u672a\u751f\u6548\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u73af\u5883\u53d8\u91cf\u53ea\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u751f\u6548\u3002\u8bf7\u786e\u4fdd\u5728\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u540e\uff0c\u91cd\u542f\u60a8\u7684\u7ec8\u7aef\u6216\u91cd\u65b0\u542f\u52a8\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
2\u3001\u73af\u5883\u53d8\u91cf\u51b2\u7a81<\/h3>\n<\/p>\n
\u5982\u679c\u591a\u4e2a\u73af\u5883\u53d8\u91cf\u51b2\u7a81\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u5f02\u5e38\u3002\u8bf7\u786e\u4fdd\u73af\u5883\u53d8\u91cf\u7684\u540d\u79f0\u5177\u6709\u552f\u4e00\u6027\uff0c\u5e76\u907f\u514d\u4f7f\u7528\u5e38\u89c1\u7684\u540d\u79f0\u3002<\/p>\n<\/p>\n
3\u3001\u73af\u5883\u53d8\u91cf\u7684\u5927\u5c0f\u9650\u5236<\/h3>\n<\/p>\n
\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u73af\u5883\u53d8\u91cf\u7684\u5927\u5c0f\u6709\u4e0d\u540c\u7684\u9650\u5236\u3002\u5982\u679c\u73af\u5883\u53d8\u91cf\u7684\u503c\u8fc7\u5927\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bbe\u7f6e\u5931\u8d25\u3002\u8bf7\u68c0\u67e5\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u6863\u4ee5\u4e86\u89e3\u5177\u4f53\u7684\u9650\u5236\u3002<\/p>\n<\/p>\n
4\u3001\u73af\u5883\u53d8\u91cf\u7684\u5b89\u5168\u6027<\/h3>\n<\/p>\n
\u867d\u7136\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u63d0\u9ad8\u654f\u611f\u4fe1\u606f\u7684\u5b89\u5168\u6027\uff0c\u4f46\u5b83\u4eec\u4ecd\u7136\u53ef\u80fd\u88ab\u5176\u4ed6\u8fdb\u7a0b\u8bfb\u53d6\u3002\u8bf7\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u548c\u5f00\u53d1\u73af\u5883\u5177\u6709\u8db3\u591f\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u4ee5\u9632\u6b62\u73af\u5883\u53d8\u91cf\u6cc4\u9732\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u60a8\u5e94\u8be5\u5bf9\u5982\u4f55\u5728Python\u4e2d\u67e5\u770b\u548c\u64cd\u4f5c\u73af\u5883\u53d8\u91cf\u6709\u4e86\u4e00\u4e2a\u5168\u9762\u7684\u4e86\u89e3\u3002\u65e0\u8bba\u662f\u4f7f\u7528os<\/code>\u6a21\u5757\u3001dotenv<\/code>\u5305\uff0c\u8fd8\u662f\u901a\u8fc7\u547d\u4ee4\u884c\u67e5\u770b\uff0c\u90fd\u53ef\u4ee5\u5e2e\u52a9\u60a8\u6709\u6548\u5730\u7ba1\u7406\u73af\u5883\u53d8\u91cf<\/strong>\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5408\u7406\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u5b89\u5168\u6027\u3001\u53ef\u79fb\u690d\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u67e5\u770b\u5f53\u524d\u7684\u5de5\u4f5c\u73af\u5883\u53d8\u91cf\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528os<\/code>\u6a21\u5757\u4e2d\u7684environ<\/code>\u5c5e\u6027\u6765\u67e5\u770b\u5f53\u524d\u7684\u5de5\u4f5c\u73af\u5883\u53d8\u91cf\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n
import os\n\n# \u83b7\u53d6\u6240\u6709\u73af\u5883\u53d8\u91cf\nenv_vars = os.environ\nfor key, value in env_vars.items():\n    print(f"{key}: {value}")\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u4f1a\u5217\u51fa\u6240\u6709\u7684\u73af\u5883\u53d8\u91cf\u53ca\u5176\u5bf9\u5e94\u7684\u503c\uff0c\u4fbf\u4e8e\u4f60\u4e86\u89e3\u5f53\u524d\u7684\u5de5\u4f5c\u73af\u5883\u3002<\/p>\n
\u5982\u4f55\u67e5\u770b\u7279\u5b9a\u7684\u73af\u5883\u53d8\u91cf\u503c\uff1f<\/strong>
\u8981\u67e5\u770b\u7279\u5b9a\u7684\u73af\u5883\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528os.environ.get()<\/code>\u65b9\u6cd5\u3002\u6bd4\u5982\uff0c\u5982\u679c\u4f60\u60f3\u67e5\u770bPATH<\/code>\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
import os\n\npath_value = os.environ.get('PATH')\nprint(f"PATH: {path_value}")\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u65b9\u5f0f\u6765\u83b7\u53d6\u67d0\u4e2a\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u82e5\u8be5\u53d8\u91cf\u4e0d\u5b58\u5728\u5219\u8fd4\u56deNone<\/code>\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u4fee\u6539\u6216\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528os.environ<\/code>\u5b57\u5178\u6765\u4fee\u6539\u6216\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u73af\u5883\u53d8\u91cf\u6216\u66f4\u65b0\u73b0\u6709\u7684\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
import os\n\n# \u8bbe\u7f6e\u65b0\u7684\u73af\u5883\u53d8\u91cf\nos.environ['MY_VAR'] = 'some_value'\n\n# \u67e5\u770b\u65b0\u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\nprint(os.environ.get('MY_VAR'))\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4e34\u65f6\u4fee\u6539\u73af\u5883\u53d8\u91cf\uff0c\u901a\u5e38\u5728\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\u6709\u6548\u3002\u5bf9\u4e8e\u6301\u4e45\u5316\u7684\u73af\u5883\u53d8\u91cf\u4fee\u6539\uff0c\u9700\u8981\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u8bbe\u7f6e\u4e2d\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u67e5\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf \u5728Python\u4e2d\uff0c\u67e5\u770b\u5de5\u4f5c\u73af\u5883\u53d8\u91cf\u7684\u65b9\u6cd5\u5305\u62ec\u591a\u79cd\uff0c\u4f8b\u5982\u4f7f\u7528os\u6a21\u5757\u3001\u4f7f\u7528do […]","protected":false},"author":3,"featured_media":1082387,"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\/1082377"}],"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=1082377"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1082377\/revisions"}],"predecessor-version":[{"id":1082389,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1082377\/revisions\/1082389"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1082387"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1082377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1082377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1082377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}