{"id":1040885,"date":"2024-12-31T12:44:37","date_gmt":"2024-12-31T04:44:37","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1040885.html"},"modified":"2024-12-31T12:44:39","modified_gmt":"2024-12-31T04:44:39","slug":"python%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%af%b9%e5%ba%95%e8%bd%af%e7%9a%84%e8%b0%83%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1040885.html","title":{"rendered":"python\u5982\u4f55\u5b9e\u73b0\u5bf9\u5e95\u8f6f\u7684\u8c03\u7528"},"content":{"rendered":"

\"python\u5982\u4f55\u5b9e\u73b0\u5bf9\u5e95\u8f6f\u7684\u8c03\u7528\"<\/p>\n

Python\u5b9e\u73b0\u5bf9\u5e95\u5c42\u8f6f\u4ef6\u8c03\u7528\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528C\u6269\u5c55\u3001\u901a\u8fc7ctypes\u5e93\u8c03\u7528C\u51fd\u6570\u3001\u5229\u7528Cython\u8fdb\u884c\u6df7\u5408\u7f16\u7a0b\u3001\u901a\u8fc7SWIG\u751f\u6210\u63a5\u53e3\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528ctypes\u5e93\u8c03\u7528C\u51fd\u6570<\/strong>\u662f\u4e00\u79cd\u5e38\u7528\u4e14\u76f8\u5bf9\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u521d\u5b66\u8005\u548c\u4e2d\u9ad8\u7ea7\u5f00\u53d1\u8005\u3002ctypes\u662fPython\u7684\u4e00\u4e2a\u5916\u90e8\u51fd\u6570\u5e93\uff0c\u5b83\u5141\u8bb8Python\u4ee3\u7801\u8c03\u7528\u52a8\u6001\u94fe\u63a5\u5e93\uff08DLLs\uff09\u6216\u5171\u4eab\u5e93\uff08.so\u6587\u4ef6\uff09\uff0c\u5e76\u4e14\u80fd\u591f\u5904\u7406C\u8bed\u8a00\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u548c\u7ed3\u6784\u4f53\u3002<\/p>\n<\/p>\n

\u5229\u7528ctypes\u8c03\u7528C\u51fd\u6570\u7684\u4e3b\u8981\u6b65\u9aa4\u5305\u62ec\uff1a\u52a0\u8f7d\u52a8\u6001\u5e93\u3001\u5b9a\u4e49\u51fd\u6570\u539f\u578b\u3001\u4f20\u9012\u53c2\u6570\u3001\u63a5\u6536\u8fd4\u56de\u503c\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528ctypes\u5e93\u5b9e\u73b0\u5bf9\u5e95\u5c42\u8f6f\u4ef6\u7684\u8c03\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u52a0\u8f7d\u52a8\u6001\u5e93<\/h3>\n<\/p>\n

\u5728\u4f7f\u7528ctypes\u8c03\u7528\u5e95\u5c42C\u51fd\u6570\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u52a0\u8f7d\u52a8\u6001\u5e93\u3002\u52a8\u6001\u5e93\u901a\u5e38\u662f\u4ee5DLL\uff08Windows\u7cfb\u7edf\uff09\u6216SO\uff08Linux\u7cfb\u7edf\uff09\u6587\u4ef6\u5f62\u5f0f\u5b58\u5728\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ctypes\u7684CDLL<\/code>\u6216WinDLL<\/code>\u7c7b\u6765\u52a0\u8f7d\u8fd9\u4e9b\u5e93\u6587\u4ef6\u3002<\/p>\n<\/p>\n

import ctypes<\/p>\n
\u52a0\u8f7d\u52a8\u6001\u5e93<\/strong><\/h2>\n
my_library = ctypes.CDLL('path\/to\/your\/library.so')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5b9a\u4e49\u51fd\u6570\u539f\u578b<\/h3>\n<\/p>\n
\u52a0\u8f7d\u5e93\u6587\u4ef6\u540e\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u5c06\u8981\u8c03\u7528\u7684C\u51fd\u6570\u7684\u539f\u578b\uff0c\u5305\u62ec\u51fd\u6570\u540d\u79f0\u3001\u53c2\u6570\u7c7b\u578b\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u901a\u8fc7\u8bbe\u7f6e\u51fd\u6570\u7684argtypes<\/code>\u548crestype<\/code>\u5c5e\u6027\u6765\u6307\u5b9a\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n<\/p>\n
# \u5047\u8bbeC\u5e93\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\uff1aint add(int a, int b)<\/p>\n
my_library.add.argtypes = [ctypes.c_int, ctypes.c_int]<\/p>\n
my_library.add.restype = ctypes.c_int<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f20\u9012\u53c2\u6570\u548c\u8c03\u7528\u51fd\u6570<\/h3>\n<\/p>\n
\u5b9a\u4e49\u597d\u51fd\u6570\u539f\u578b\u540e\uff0c\u5c31\u53ef\u4ee5\u8c03\u7528\u8be5\u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\u4e86\u3002<\/p>\n<\/p>\n
# \u8c03\u7528add\u51fd\u6570<\/p>\n
result = my_library.add(10, 20)<\/p>\n
print("Result:", result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5904\u7406\u590d\u6742\u6570\u636e\u7c7b\u578b<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5904\u7406\u66f4\u590d\u6742\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u7ed3\u6784\u4f53\u548c\u6307\u9488\u3002ctypes\u5e93\u540c\u6837\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u652f\u6301\u3002<\/p>\n<\/p>\n
\u5b9a\u4e49\u7ed3\u6784\u4f53<\/h4>\n<\/p>\n
\u5047\u8bbeC\u5e93\u4e2d\u6709\u4e00\u4e2a\u7ed3\u6784\u4f53Point<\/code>\uff1a<\/p>\n<\/p>\n
typedef struct {<\/p>\n
    int x;<\/p>\n
    int y;<\/p>\n
} Point;<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u4f7f\u7528ctypes\u5b9a\u4e49\u5bf9\u5e94\u7684\u7ed3\u6784\u4f53\uff1a<\/p>\n<\/p>\n
class Point(ctypes.Structure):<\/p>\n
    _fields_ = [('x', ctypes.c_int), ('y', ctypes.c_int)]<\/p>\n
\u5047\u8bbeC\u5e93\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\uff1avoid print_point(Point* pt)<\/strong><\/h2>\n
my_library.print_point.argtypes = [ctypes.POINTER(Point)]<\/p>\n
my_library.print_point.restype = None<\/p>\n
\u521b\u5efaPoint\u5b9e\u4f8b\u5e76\u8c03\u7528print_point\u51fd\u6570<\/strong><\/h2>\n
pt = Point(10, 20)<\/p>\n
my_library.print_point(ctypes.byref(pt))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5904\u7406\u6307\u9488<\/h4>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u4f20\u9012\u6307\u9488\u6216\u63a5\u6536\u6307\u9488\u7c7b\u578b\u7684\u8fd4\u56de\u503c\u3002\u53ef\u4ee5\u4f7f\u7528ctypes\u7684\u6307\u9488\u7c7b\u578b\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
# \u5047\u8bbeC\u5e93\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\uff1aint* create_array(int size)<\/p>\n
my_library.create_array.argtypes = [ctypes.c_int]<\/p>\n
my_library.create_array.restype = ctypes.POINTER(ctypes.c_int)<\/p>\n
\u8c03\u7528create_array\u51fd\u6570\u5e76\u5904\u7406\u8fd4\u56de\u7684\u6307\u9488<\/strong><\/h2>\n
array_size = 5<\/p>\n
array_ptr = my_library.create_array(array_size)<\/p>\n
for i in range(array_size):<\/p>\n
    print(array_ptr[i])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u9519\u8bef\u5904\u7406<\/h3>\n<\/p>\n
\u5728\u8c03\u7528\u5e95\u5c42C\u51fd\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u9519\u8bef\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528ctypes\u7684set_last_error<\/code>\u548cget_last_error<\/code>\u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u9519\u8bef\u7801\u3002<\/p>\n<\/p>\n
# \u5047\u8bbeC\u5e93\u4e2d\u6709\u4e00\u4e2a\u51fd\u6570\uff1aint error_prone_function()<\/p>\n
my_library.error_prone_function.restype = ctypes.c_int<\/p>\n
\u8c03\u7528\u51fd\u6570\u5e76\u68c0\u67e5\u9519\u8bef\u7801<\/strong><\/h2>\n
result = my_library.error_prone_function()<\/p>\n
if result == -1:<\/p>\n
    error_code = ctypes.get_last_error()<\/p>\n
    print("Error occurred, error code:", error_code)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u6027\u80fd\u4f18\u5316<\/h3>\n<\/p>\n
\u867d\u7136ctypes\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u65b9\u4fbf\u7684\u65b9\u5f0f\u6765\u8c03\u7528\u5e95\u5c42C\u51fd\u6570\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6027\u80fd\u53ef\u80fd\u4e0d\u662f\u6700\u4f18\u7684\u3002\u5982\u679c\u5bf9\u6027\u80fd\u6709\u8f83\u9ad8\u8981\u6c42\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\uff0c\u6bd4\u5982Cython\u6216C\u6269\u5c55\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Cython<\/h4>\n<\/p>\n
Cython\u662f\u4e00\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5b83\u662fPython\u548cC\u7684\u6df7\u5408\u4f53\uff0c\u80fd\u591f\u7f16\u8bd1\u6210C\u4ee3\u7801\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002\u4f7f\u7528Cython\u5b9e\u73b0\u5bf9\u5e95\u5c42\u8f6f\u4ef6\u7684\u8c03\u7528\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
    \n
  1. \u7f16\u5199Cython\u4ee3\u7801\uff08.pyx\u6587\u4ef6\uff09<\/li>\n
  2. \u7f16\u5199setup.py\u811a\u672c\u8fdb\u884c\u7f16\u8bd1<\/li>\n
  3. \u5728Python\u4e2d\u5bfc\u5165\u7f16\u8bd1\u540e\u7684\u6a21\u5757\u5e76\u8c03\u7528<\/li>\n<\/ol>\n
    \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aC\u51fd\u6570int multiply(int a, int b)<\/code>\uff0c\u53ef\u4ee5\u7528Cython\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
    # multiply.pyx<\/p>\n
    cdef extern from "your_library.h":<\/p>\n
        int multiply(int a, int b)<\/p>\n
    def py_multiply(int a, int b):<\/p>\n
        return multiply(a, b)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7f16\u5199setup.py\u811a\u672c\uff1a<\/p>\n<\/p>\n
    from distutils.core import setup<\/p>\n
    from Cython.Build import cythonize<\/p>\n
    setup(<\/p>\n
        ext_modules = cythonize("multiply.pyx")<\/p>\n
    )<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7f16\u8bd1\u5e76\u8c03\u7528\uff1a<\/p>\n<\/p>\n
    python setup.py build_ext --inplace<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728Python\u4e2d\u5bfc\u5165\u5e76\u8c03\u7528\uff1a<\/p>\n<\/p>\n
    from multiply import py_multiply<\/p>\n
    result = py_multiply(10, 20)<\/p>\n
    print("Result:", result)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e03\u3001\u7efc\u5408\u5b9e\u4f8b<\/h3>\n<\/p>\n
    \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528ctypes\u8c03\u7528\u5e95\u5c42\u8f6f\u4ef6\uff0c\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7efc\u5408\u5b9e\u4f8b\u6765\u6f14\u793a\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aC\u5e93\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n<\/p>\n
    \/\/ your_library.h<\/p>\n
    typedef struct {<\/p>\n
        int x;<\/p>\n
        int y;<\/p>\n
    } Point;<\/p>\n
    int add(int a, int b);<\/p>\n
    void print_point(Point* pt);<\/p>\n
    int* create_array(int size);<\/p>\n
    int error_prone_function();<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u4e0b\u9762\u662f\u5982\u4f55\u5728Python\u4e2d\u8c03\u7528\u8fd9\u4e9b\u51fd\u6570\u7684\u5b8c\u6574\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import ctypes<\/p>\n
    \u52a0\u8f7d\u52a8\u6001\u5e93<\/strong><\/h2>\n
    my_library = ctypes.CDLL('path\/to\/your\/library.so')<\/p>\n
    \u5b9a\u4e49add\u51fd\u6570<\/strong><\/h2>\n
    my_library.add.argtypes = [ctypes.c_int, ctypes.c_int]<\/p>\n
    my_library.add.restype = ctypes.c_int<\/p>\n
    \u8c03\u7528add\u51fd\u6570<\/strong><\/h2>\n
    result = my_library.add(10, 20)<\/p>\n
    print("Result:", result)<\/p>\n
    \u5b9a\u4e49Point\u7ed3\u6784\u4f53\u548cprint_point\u51fd\u6570<\/strong><\/h2>\n
    class Point(ctypes.Structure):<\/p>\n
        _fields_ = [('x', ctypes.c_int), ('y', ctypes.c_int)]<\/p>\n
    my_library.print_point.argtypes = [ctypes.POINTER(Point)]<\/p>\n
    my_library.print_point.restype = None<\/p>\n
    \u521b\u5efaPoint\u5b9e\u4f8b\u5e76\u8c03\u7528print_point\u51fd\u6570<\/strong><\/h2>\n
    pt = Point(10, 20)<\/p>\n
    my_library.print_point(ctypes.byref(pt))<\/p>\n
    \u5b9a\u4e49create_array\u51fd\u6570<\/strong><\/h2>\n
    my_library.create_array.argtypes = [ctypes.c_int]<\/p>\n
    my_library.create_array.restype = ctypes.POINTER(ctypes.c_int)<\/p>\n
    \u8c03\u7528create_array\u51fd\u6570\u5e76\u5904\u7406\u8fd4\u56de\u7684\u6307\u9488<\/strong><\/h2>\n
    array_size = 5<\/p>\n
    array_ptr = my_library.create_array(array_size)<\/p>\n
    for i in range(array_size):<\/p>\n
        print(array_ptr[i])<\/p>\n
    \u8c03\u7528error_prone_function\u51fd\u6570\u5e76\u68c0\u67e5\u9519\u8bef\u7801<\/strong><\/h2>\n
    my_library.error_prone_function.restype = ctypes.c_int<\/p>\n
    result = my_library.error_prone_function()<\/p>\n
    if result == -1:<\/p>\n
        error_code = ctypes.get_last_error()<\/p>\n
        print("Error occurred, error code:", error_code)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u4f7f\u7528ctypes\u5e93\u8c03\u7528\u5e95\u5c42C\u51fd\u6570\u662f\u4e00\u4e2a\u76f8\u5bf9\u7b80\u5355\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u6b63\u786e\u5730\u52a0\u8f7d\u52a8\u6001\u5e93\u3001\u5b9a\u4e49\u51fd\u6570\u539f\u578b\u3001\u4f20\u9012\u53c2\u6570\u548c\u5904\u7406\u590d\u6742\u6570\u636e\u7c7b\u578b\uff0c\u6211\u4eec\u80fd\u591f\u5728Python\u4e2d\u5145\u5206\u5229\u7528\u5e95\u5c42C\u5e93\u7684\u529f\u80fd\u3002\u540c\u65f6\uff0c\u5408\u7406\u7684\u9519\u8bef\u5904\u7406\u548c\u6027\u80fd\u4f18\u5316\u63aa\u65bd\u53ef\u4ee5\u786e\u4fdd\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u52a0\u5065\u58ee\u548c\u9ad8\u6548\u3002<\/p>\n<\/p>\n
    \u516b\u3001\u5176\u4ed6\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u9664\u4e86ctypes\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0Python\u5bf9\u5e95\u5c42\u8f6f\u4ef6\u7684\u8c03\u7528\uff1a<\/p>\n<\/p>\n
    1. \u4f7f\u7528C\u6269\u5c55<\/h4>\n<\/p>\n
    \u7f16\u5199C\u6269\u5c55\u662f\u4e00\u79cd\u76f4\u63a5\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u8c03\u7528C\u51fd\u6570\u3002\u7f16\u5199C\u6269\u5c55\u6d89\u53ca\u7f16\u5199C\u4ee3\u7801\u3001\u7f16\u5199setup.py\u811a\u672c\u8fdb\u884c\u7f16\u8bd1\u3001\u5728Python\u4e2d\u5bfc\u5165\u7f16\u8bd1\u540e\u7684\u6a21\u5757\u5e76\u8c03\u7528\u3002<\/p>\n<\/p>\n
    2. \u4f7f\u7528SWIG<\/h4>\n<\/p>\n
    SWIG\uff08Simplified Wrapper and Interface Generator\uff09\u662f\u4e00\u79cd\u5de5\u5177\uff0c\u53ef\u4ee5\u81ea\u52a8\u751f\u6210C\/C++\u4ee3\u7801\u4e0e\u591a\u79cd\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00\uff08\u5305\u62ecPython\uff09\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u4f7f\u7528SWIG\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u7f16\u5199\u63a5\u53e3\u4ee3\u7801\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n<\/p>\n
    \u4e5d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
    \u5728Python\u4e2d\u8c03\u7528\u5e95\u5c42\u8f6f\u4ef6\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u529f\u80fd\u6027\u3002\u901a\u8fc7\u4f7f\u7528ctypes\u5e93\u3001C\u6269\u5c55\u3001Cython\u6216SWIG\u7b49\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u8c03\u7528C\/C++\u5e93\u7684\u51fd\u6570\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u5e76\u5408\u7406\u5904\u7406\u590d\u6742\u6570\u636e\u7c7b\u578b\u548c\u9519\u8bef\u3002\u901a\u8fc7\u4e0d\u65ad\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\uff0c\u5e76\u5728\u9879\u76ee\u4e2d\u53d1\u6325\u5176\u4f18\u52bf\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u5bf9\u5e95\u5c42\u5e93\u7684\u8c03\u7528\uff1f<\/strong><\/p>\n
    \u5728Python\u4e2d\u5b9e\u73b0\u5bf9\u5e95\u5c42\u5e93\u7684\u8c03\u7528\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528C\u6269\u5c55\u3001ctypes\u6216cffi\u7b49\u65b9\u5f0f\u3002C\u6269\u5c55\u5141\u8bb8\u4f60\u76f4\u63a5\u5c06C\u4ee3\u7801\u7f16\u8bd1\u6210Python\u6a21\u5757\uff0cctypes\u5e93\u5219\u63d0\u4f9b\u4e86\u8c03\u7528C\u51fd\u6570\u7684\u80fd\u529b\uff0c\u800ccffi\u5219\u662f\u4e00\u4e2a\u66f4\u73b0\u4ee3\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u652f\u6301\u66f4\u590d\u6742\u7684C\u63a5\u53e3\u3002\u9009\u62e9\u54ea\u79cd\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4f60\u7684\u5177\u4f53\u9700\u6c42\u548c\u5bf9\u6027\u80fd\u7684\u8981\u6c42\u3002<\/p>\n
    \u4f7f\u7528ctypes\u8c03\u7528\u5e95\u5c42\u5e93\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u4e8b\u9879\uff1f<\/strong><\/p>\n
    \u4f7f\u7528ctypes\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u4f60\u7684\u5e95\u5c42\u5e93\u662f\u4ee5\u5171\u4eab\u5e93\u7684\u5f62\u5f0f\u5b58\u5728\uff08\u4f8b\u5982\u5728Linux\u4e0a\u662f.so\u6587\u4ef6\uff0c\u5728Windows\u4e0a\u662f.dll\u6587\u4ef6\uff09\u3002\u5728\u8c03\u7528\u51fd\u6570\u4e4b\u524d\uff0c\u901a\u5e38\u9700\u8981\u5b9a\u4e49\u51fd\u6570\u539f\u578b\u548c\u53c2\u6570\u7c7b\u578b\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u80fd\u591f\u6b63\u786e\u4f20\u9012\u3002\u6b64\u5916\uff0c\u5904\u7406\u8fd4\u56de\u503c\u548c\u5f02\u5e38\u4e5f\u662f\u91cd\u8981\u7684\u90e8\u5206\uff0c\u4ee5\u907f\u514d\u56e0\u6570\u636e\u7c7b\u578b\u4e0d\u5339\u914d\u800c\u5bfc\u81f4\u7684\u5d29\u6e83\u3002<\/p>\n
    Python\u8c03\u7528\u5e95\u5c42\u7cfb\u7edfAPI\u7684\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n
    Python\u5bf9\u5e95\u5c42\u7cfb\u7edfAPI\u7684\u8c03\u7528\u5e38\u89c1\u4e8e\u9700\u8981\u6027\u80fd\u4f18\u5316\u7684\u573a\u666f\uff0c\u4f8b\u5982\u56fe\u50cf\u5904\u7406\u3001\u79d1\u5b66\u8ba1\u7b97\u3001\u7f51\u7edc\u7f16\u7a0b\u7b49\u3002\u901a\u8fc7\u8c03\u7528\u5e95\u5c42\u5e93\uff0c\u53ef\u4ee5\u5229\u7528C\u8bed\u8a00\u7684\u9ad8\u6548\u8ba1\u7b97\u80fd\u529b\u6765\u52a0\u901fPython\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u7279\u5b9a\u7684\u786c\u4ef6\u63a5\u53e3\u6216\u7cfb\u7edf\u529f\u80fd\u53ef\u80fd\u53ea\u6709\u901a\u8fc7\u5e95\u5c42API\u624d\u80fd\u5b9e\u73b0\uff0c\u8fd9\u65f6\u5019Python\u7684\u8c03\u7528\u4e5f\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5b9e\u73b0\u5bf9\u5e95\u5c42\u8f6f\u4ef6\u8c03\u7528\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528C\u6269\u5c55\u3001\u901a\u8fc7ctypes\u5e93\u8c03\u7528C\u51fd\u6570\u3001\u5229\u7528Cython\u8fdb\u884c\u6df7\u5408\u7f16 […]","protected":false},"author":3,"featured_media":1040895,"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\/1040885"}],"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=1040885"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1040885\/revisions"}],"predecessor-version":[{"id":1040897,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1040885\/revisions\/1040897"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1040895"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1040885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1040885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1040885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}