Hello, world!<\/code>\u3002\u8fd9\u5c31\u662f\u6700\u57fa\u672c\u7684\u5f15\u7528\u81ea\u5df1\u5199\u7684.py\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528import\u8bed\u53e5<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0cimport<\/code>\u8bed\u53e5\u662f\u6700\u5e38\u89c1\u7684\u7528\u4e8e\u5f15\u7528\u5916\u90e8.py\u6587\u4ef6\u7684\u65b9\u6cd5\u3002\u901a\u8fc7import<\/code>\u8bed\u53e5\uff0c\u4f60\u53ef\u4ee5\u5f15\u7528\u4f60\u81ea\u5df1\u5199\u7684\u4efb\u4f55.py\u6587\u4ef6\uff0c\u5e76\u5728\u4f60\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u5176\u4e2d\u7684\u51fd\u6570\u3001\u7c7b\u548c\u53d8\u91cf\u3002<\/p>\n<\/p>\n# example.py<\/p>\ndef greet(name):<\/p>\n
return f"Hello, {name}!"<\/p>\n
main.py<\/strong><\/h2>\nimport example<\/p>\n
print(example.greet("Alice"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3aexample.py<\/code>\u7684\u6587\u4ef6\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570greet<\/code>\u3002\u7136\u540e\u5728main.py<\/code>\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528import example<\/code>\u8bed\u53e5\u5f15\u7528\u4e86example.py<\/code>\uff0c\u5e76\u8c03\u7528\u4e86\u5176\u4e2d\u7684greet<\/code>\u51fd\u6570\u3002\u8fd0\u884cmain.py<\/code>\uff0c\u4f60\u5c06\u770b\u5230\u8f93\u51faHello, Alice!<\/code>\u3002<\/p>\n<\/p>\n\u8be6\u7ec6\u63cf\u8ff0import\u8bed\u53e5\u7684\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<\/p>\nimport<\/code>\u8bed\u53e5\u7684\u4f7f\u7528\u975e\u5e38\u7075\u6d3b\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5f15\u7528\u6574\u4e2a\u6a21\u5757\u6216\u8005\u6a21\u5757\u4e2d\u7684\u7279\u5b9a\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684import<\/code>\u8bed\u53e5\u7684\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n\n- \u5f15\u7528\u6574\u4e2a\u6a21\u5757<\/li>\n<\/ol>\n
import module_name<\/p>\n<\/code><\/pre>\n<\/p>\n
\u5f15\u7528\u6574\u4e2a\u6a21\u5757\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528module_name.function_name<\/code>\u6216module_name.class_name<\/code>\u7684\u65b9\u5f0f\u8bbf\u95ee\u6a21\u5757\u4e2d\u7684\u51fd\u6570\u548c\u7c7b\u3002<\/p>\n<\/p>\n\n- \u5f15\u7528\u6a21\u5757\u4e2d\u7684\u7279\u5b9a\u90e8\u5206<\/li>\n<\/ol>\n
from module_name import function_name, class_name<\/p>\n<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u4f60\u76f4\u63a5\u5f15\u7528\u6a21\u5757\u4e2d\u7684\u7279\u5b9a\u51fd\u6570\u6216\u7c7b\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528module_name.<\/code>\u524d\u7f00\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nfrom example import greet<\/p>\nprint(greet("Alice"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\n- \u4f7f\u7528\u522b\u540d<\/li>\n<\/ol>\n
import module_name as alias<\/p>\n<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u522b\u540d\u53ef\u4ee5\u7b80\u5316\u6a21\u5757\u7684\u8bbf\u95ee\u65b9\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import example as ex<\/p>\nprint(ex.greet("Alice"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5c06.py\u6587\u4ef6\u4f5c\u4e3a\u6a21\u5757\u653e\u5728\u540c\u4e00\u4e2a\u76ee\u5f55<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u6709\u591a\u4e2a.py\u6587\u4ef6\u9700\u8981\u4e92\u76f8\u5f15\u7528\uff0c\u5c06\u5b83\u4eec\u653e\u5728\u540c\u4e00\u4e2a\u76ee\u5f55\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002Python\u4f1a\u81ea\u52a8\u5c06\u5f53\u524d\u76ee\u5f55\u6dfb\u52a0\u5230\u641c\u7d22\u8def\u5f84\u4e2d\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528import<\/code>\u8bed\u53e5\u5f15\u7528\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n<\/p>\n# module1.py<\/p>\ndef foo():<\/p>\n
return "foo from module1"<\/p>\n
module2.py<\/strong><\/h2>\ndef bar():<\/p>\n
return "bar from module2"<\/p>\n
main.py<\/strong><\/h2>\nimport module1<\/p>\n
import module2<\/p>\n
print(module1.foo())<\/p>\n
print(module2.bar())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6709\u4e09\u4e2a\u6587\u4ef6module1.py<\/code>\u3001module2.py<\/code>\u548cmain.py<\/code>\u3002main.py<\/code>\u5f15\u7528\u4e86module1.py<\/code>\u548cmodule2.py<\/code>\uff0c\u5e76\u8c03\u7528\u4e86\u5176\u4e2d\u7684\u51fd\u6570\u3002\u8fd0\u884cmain.py<\/code>\uff0c\u4f60\u5c06\u770b\u5230\u8f93\u51fafoo from module1<\/code>\u548cbar from module2<\/code>\u3002<\/p>\n<\/p>\n\u521b\u5efa\u5305<\/strong><\/p>\n<\/p>\n\u5982\u679c\u4f60\u7684\u9879\u76ee\u53d8\u5f97\u66f4\u5927\uff0c\u5305\u542b\u591a\u4e2a\u6a21\u5757\uff0c\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u6a21\u5757\u7ec4\u7ec7\u5230\u5305\u4e2d\u3002\u5305\u662f\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u6a21\u5757\u7684\u76ee\u5f55\uff0c\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a\u7279\u6b8a\u7684\u6587\u4ef6__init__.py<\/code>\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5305\u7684\u7ed3\u6784\u793a\u4f8b\uff1a<\/p>\n<\/p>\nmy_package\/<\/p>\n __init__.py<\/p>\n
module1.py<\/p>\n
module2.py<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f60\u53ef\u4ee5\u5728__init__.py<\/code>\u4e2d\u5b9a\u4e49\u5305\u7684\u516c\u5171\u63a5\u53e3\uff0c\u7136\u540e\u5728\u5176\u4ed6\u4ee3\u7801\u4e2d\u5f15\u7528\u8fd9\u4e2a\u5305\uff1a<\/p>\n<\/p>\n# my_package\/module1.py<\/p>\ndef foo():<\/p>\n
return "foo from module1"<\/p>\n
my_package\/module2.py<\/strong><\/h2>\ndef bar():<\/p>\n
return "bar from module2"<\/p>\n
my_package\/__init__.py<\/strong><\/h2>\nfrom .module1 import foo<\/p>\n
from .module2 import bar<\/p>\n
main.py<\/strong><\/h2>\nimport my_package<\/p>\n
print(my_package.foo())<\/p>\n
print(my_package.bar())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c__init__.py<\/code>\u6587\u4ef6\u5b9a\u4e49\u4e86\u5305my_package<\/code>\u7684\u516c\u5171\u63a5\u53e3\uff0c\u5b83\u5f15\u7528\u4e86module1.py<\/code>\u4e2d\u7684foo<\/code>\u51fd\u6570\u548cmodule2.py<\/code>\u4e2d\u7684bar<\/code>\u51fd\u6570\u3002\u7136\u540e\u5728main.py<\/code>\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5f15\u7528my_package<\/code>\u5e76\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u3002<\/p>\n<\/p>\n\u4e09\u3001\u4f7f\u7528Python\u8def\u5f84\u914d\u7f6e<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u7684.py\u6587\u4ef6\u4e0d\u5728\u5f53\u524d\u76ee\u5f55\u6216\u5305\u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539Python\u7684\u641c\u7d22\u8def\u5f84\u6765\u5f15\u7528\u5b83\u4eec\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff1a<\/p>\n<\/p>\n
\n- \u4fee\u6539
sys.path<\/code><\/li>\n<\/ol>\nsys.path<\/code>\u662fPython\u7684\u641c\u7d22\u8def\u5f84\u5217\u8868\uff0c\u4f60\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4fee\u6539\u5b83\u6765\u5305\u542b\u4f60\u60f3\u8981\u5f15\u7528\u7684.py\u6587\u4ef6\u7684\u8def\u5f84\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nimport sys<\/p>\nsys.path.append('\/path\/to\/your\/module')<\/p>\n
import your_module<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u4f60\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u6dfb\u52a0\u641c\u7d22\u8def\u5f84\u3002<\/p>\n<\/p>\n
\n- \u4f7f\u7528\u73af\u5883\u53d8\u91cf
PYTHONPATH<\/code><\/li>\n<\/ol>\n\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u73af\u5883\u53d8\u91cfPYTHONPATH<\/code>\u6765\u5305\u542b\u4f60\u60f3\u8981\u5f15\u7528\u7684.py\u6587\u4ef6\u7684\u8def\u5f84\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nexport PYTHONPATH=\/path\/to\/your\/module<\/p>\n<\/code><\/pre>\n<\/p>\n
\u7136\u540e\u5728\u4f60\u7684Python\u4ee3\u7801\u4e2d\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u5f15\u7528\u8fd9\u4e9b\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
import your_module<\/p>\n<\/code><\/pre>\n<\/p>\n
\n- \u4f7f\u7528.pth\u6587\u4ef6<\/li>\n<\/ol>\n
\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a.pth\u6587\u4ef6\uff0c\u5c06\u4f60\u60f3\u8981\u5f15\u7528\u7684.py\u6587\u4ef6\u7684\u8def\u5f84\u6dfb\u52a0\u5230\u8fd9\u4e2a\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u5c06.pth\u6587\u4ef6\u653e\u5728Python\u7684site-packages<\/code>\u76ee\u5f55\u4e2d\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2amy_paths.pth<\/code>\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<\/p>\n\/path\/to\/your\/module<\/p>\n<\/code><\/pre>\n<\/p>\n
\u5c06\u8fd9\u4e2a\u6587\u4ef6\u653e\u5728site-packages<\/code>\u76ee\u5f55\u4e2d\uff0c\u7136\u540e\u5728\u4f60\u7684Python\u4ee3\u7801\u4e2d\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u5f15\u7528\u8fd9\u4e9b\u6587\u4ef6\uff1a<\/p>\n<\/p>\nimport your_module<\/p>\n<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/strong><\/p>\n<\/p>\n\u5728Python\u4e2d\u5f15\u7528\u81ea\u5df1\u5199\u7684.py\u6587\u4ef6\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528import<\/code>\u8bed\u53e5\u3002\u4f60\u53ef\u4ee5\u5c06.py\u6587\u4ef6\u4f5c\u4e3a\u6a21\u5757\u653e\u5728\u540c\u4e00\u4e2a\u76ee\u5f55\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u521b\u5efa\u5305\u6765\u7ec4\u7ec7\u591a\u4e2a\u6a21\u5757\u3002\u5982\u679c\u4f60\u7684.py\u6587\u4ef6\u4e0d\u5728\u5f53\u524d\u76ee\u5f55\u6216\u5305\u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539Python\u7684\u641c\u7d22\u8def\u5f84\u6765\u5f15\u7528\u5b83\u4eec\u3002\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u4e00\u4e2aPython\u811a\u672c\u4e2d\u5f15\u7528\u53e6\u4e00\u4e2a.py\u6587\u4ef6\uff0c\u4f7f\u4f60\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u3002<\/p>\n<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5982\u4f55\u5728Python\u4e2d\u5bfc\u5165\u81ea\u5df1\u7684\u6a21\u5757\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u8981\u5bfc\u5165\u81ea\u5df1\u7f16\u5199\u7684.py\u6587\u4ef6\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u8be5\u6587\u4ef6\u4f4d\u4e8e\u4f60\u7684\u5de5\u4f5c\u76ee\u5f55\u4e2d\u6216\u8005Python\u7684\u6a21\u5757\u641c\u7d22\u8def\u5f84\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528import<\/code>\u8bed\u53e5\u6765\u5bfc\u5165\u6a21\u5757\uff0c\u683c\u5f0f\u4e3aimport \u6a21\u5757\u540d<\/code>\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5\u6a21\u5757\u4e2d\u5b9a\u4e49\u7684\u51fd\u6570\u548c\u7c7b\u3002<\/p>\n\u5982\u679c\u6211\u7684.py\u6587\u4ef6\u5728\u5b50\u76ee\u5f55\u4e2d\uff0c\u5e94\u8be5\u5982\u4f55\u5f15\u7528\uff1f<\/strong>
\u5982\u679c\u4f60\u7684.py\u6587\u4ef6\u5b58\u653e\u5728\u5b50\u76ee\u5f55\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u5bf9\u5bfc\u5165\u6216\u7edd\u5bf9\u5bfc\u5165\u3002\u7edd\u5bf9\u5bfc\u5165\u662f\u6307\u4f7f\u7528\u5b8c\u6574\u7684\u5305\u8def\u5f84\uff0c\u4f8b\u5982from \u5b50\u76ee\u5f55\u540d import \u6587\u4ef6\u540d<\/code>\u3002\u76f8\u5bf9\u5bfc\u5165\u5219\u4f7f\u7528\u70b9\uff08.\uff09\u8868\u793a\u5f53\u524d\u76ee\u5f55\u6216\u7236\u76ee\u5f55\uff0c\u6bd4\u5982from .\u5b50\u76ee\u5f55\u540d import \u6587\u4ef6\u540d<\/code>\u3002\u786e\u4fdd\u5728\u6267\u884c\u4ee3\u7801\u65f6\uff0cPython\u80fd\u627e\u5230\u8be5\u5b50\u76ee\u5f55\u3002<\/p>\n\u5728\u5bfc\u5165\u65f6\u9047\u5230\u201cModuleNotFoundError\u201d\u8be5\u5982\u4f55\u89e3\u51b3\uff1f<\/strong>
\u201cModuleNotFoundError\u201d\u901a\u5e38\u8868\u793aPython\u627e\u4e0d\u5230\u6307\u5b9a\u7684\u6a21\u5757\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u68c0\u67e5\u4ee5\u4e0b\u51e0\u70b9\uff1a\u786e\u8ba4.py\u6587\u4ef6\u7684\u540d\u79f0\u662f\u5426\u6b63\u786e\uff0c\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u5728Python\u7684\u641c\u7d22\u8def\u5f84\u4e2d\uff0c\u6216\u8005\u5728\u8fd0\u884c\u811a\u672c\u65f6\uff0c\u786e\u4fdd\u4f60\u7684\u5de5\u4f5c\u76ee\u5f55\u662f\u6b63\u786e\u7684\u3002\u53ef\u4ee5\u4f7f\u7528sys.path<\/code>\u67e5\u770b\u5f53\u524d\u7684\u6a21\u5757\u641c\u7d22\u8def\u5f84\uff0c\u5fc5\u8981\u65f6\u53ef\u4ee5\u901a\u8fc7sys.path.append()<\/code>\u6dfb\u52a0\u65b0\u7684\u8def\u5f84\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5f15\u7528\u81ea\u5df1\u5199\u7684.py\u6587\u4ef6\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528import\u8bed\u53e5\u3001\u5c06.py\u6587\u4ef6\u4f5c\u4e3a\u6a21\u5757\u653e\u5728\u540c\u4e00\u4e2a\u76ee\u5f55 […]","protected":false},"author":3,"featured_media":1086440,"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\/1086431"}],"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=1086431"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1086431\/revisions"}],"predecessor-version":[{"id":1086441,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1086431\/revisions\/1086441"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1086440"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1086431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1086431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1086431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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<\/p>\n