{"id":533,"date":"2024-01-23T01:21:29","date_gmt":"2022-11-25T06:52:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/python-%e7%9a%84-help-%e5%87%bd%e6%95%b0%e6%98%af%e7%94%a8%e6%9d%a5%e6%8f%90%e4%be%9b%e5%b8%ae%e5%8a%a9%e4%bf%a1%e6%81%af%e7%9a%84%e3%80%82\/"},"modified":"2025-08-02T16:20:31","modified_gmt":"2025-08-02T08:20:31","slug":"python-%e7%9a%84-help-%e5%87%bd%e6%95%b0%e6%98%af%e7%94%a8%e6%9d%a5%e6%8f%90%e4%be%9b%e5%b8%ae%e5%8a%a9%e4%bf%a1%e6%81%af%e7%9a%84%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/python-%e7%9a%84-help-%e5%87%bd%e6%95%b0%e6%98%af%e7%94%a8%e6%9d%a5%e6%8f%90%e4%be%9b%e5%b8%ae%e5%8a%a9%e4%bf%a1%e6%81%af%e7%9a%84%e3%80%82\/","title":{"rendered":"Python help()\u51fd\u6570\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5185\u7f6e\u5e2e\u52a9\u7cfb\u7edf\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0e\u6280\u5de7"},"content":{"rendered":"<p>Python\u4e2d\u7684help()\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u6307\u5b9a\u6a21\u5757\u3001\u7c7b\u3001\u51fd\u6570\u3001\u53d8\u91cf\u7b49\u7684\u6587\u6863\u3002\u8fd9\u4e2a\u65b9\u6cd5\u901a\u5e38\u4e0ePython\u89e3\u91ca\u5668\u63a7\u5236\u53f0\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u83b7\u53d6\u5173\u4e8ePython\u5bf9\u8c61\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h2>Python\u7684help()\u51fd\u6570<\/h2>\n<p>Python\u7684help()\u51fd\u6570\u7684\u8bed\u6cd5\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>help([object])\r\n<\/code><\/pre>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731af8\/4-0.png\" class=\"post-images\" alt=\"Python\u5e2e\u52a9\u5b9e\u7528\u7a0b\u5e8f\u63a7\u5236\u53f0\" title=\"\">\n<\/div>\n<pre class=\"post-pre\"><code>help&gt; True\r\n\r\nhelp&gt; collections\r\n\r\nhelp&gt; builtins\r\n\r\nhelp&gt; modules\r\n\r\nhelp&gt; keywords\r\n\r\nhelp&gt; symbols\r\n\r\nhelp&gt; topics\r\n\r\nhelp&gt; LOOPING\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u60f3\u9000\u51fa\u5e2e\u52a9\u63a7\u5236\u53f0\uff0c\u8bf7\u952e\u5165\u9000\u51fa\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5411help()\u51fd\u6570\u4f20\u9012\u53c2\u6570\u76f4\u63a5\u4ecePython\u63a7\u5236\u53f0\u83b7\u53d6\u5e2e\u52a9\u6587\u6863\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('collections')\r\n\r\n&gt;&gt;&gt; help(print)\r\n\r\n&gt;&gt;&gt; help(globals)\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u770b\u4e00\u4e0bglobals()\u51fd\u6570\u7684help()\u51fd\u6570\u8f93\u51fa\u662f\u4ec0\u4e48\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('builtins.globals')\r\n\r\n\u5173\u4e8e\u5185\u7f6e\u6a21\u5757\u4e2d\u7684\u5185\u7f6e\u51fd\u6570globals\u7684\u5e2e\u52a9\uff1a\r\n\r\nbuiltins.globals = globals()\r\n    \u8fd4\u56de\u5305\u542b\u5f53\u524d\u4f5c\u7528\u57df\u5168\u5c40\u53d8\u91cf\u7684\u5b57\u5178\u3002\r\n    \r\n    \u6ce8\u610f\uff1a\u5bf9\u6b64\u5b57\u5178\u7684\u66f4\u65b0\u5c06\u5f71\u54cd\u5f53\u524d\u5168\u5c40\u4f5c\u7528\u57df\u4e2d\u7684\u540d\u79f0\u67e5\u627e\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\r\n<\/code><\/pre>\n<h2>\u4e3a\u81ea\u5b9a\u4e49\u7c7b\u548c\u51fd\u6570\u5b9a\u4e49help()\u51fd\u6570<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u6587\u6863\u5b57\u7b26\u4e32\uff08docstring\uff09\u6765\u4e3a\u6211\u4eec\u7684\u81ea\u5b9a\u4e49\u7c7b\u548c\u51fd\u6570\u5b9a\u4e49help()\u51fd\u6570\u7684\u8f93\u51fa\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u65b9\u6cd5\u4f53\u4e2d\u7684\u7b2c\u4e00\u884c\u6ce8\u91ca\u5b57\u7b26\u4e32\u88ab\u7528\u4f5c\u5176\u6587\u6863\u5b57\u7b26\u4e32\u3002\u5b83\u88ab\u4e09\u4e2a\u53cc\u5f15\u53f7\u5305\u56f4\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3apython_help_examples.py\u7684Python\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>def add(x, y):\r\n    \"\"\"\r\n    \u6b64\u51fd\u6570\u5c06\u7ed9\u5b9a\u7684\u6574\u6570\u53c2\u6570\u76f8\u52a0\r\n    :param x: \u6574\u6570\r\n    :param y: \u6574\u6570\r\n    :return: \u6574\u6570\r\n    \"\"\"\r\n    return x + y\r\n\r\n\r\nclass Employee:\r\n    \"\"\"\r\n    Employee\u7c7b\uff0c\u6620\u5c04\u5230\u6570\u636e\u5e93\u4e2d\u7684\"employee\"\u8868\r\n    \"\"\"\r\n    id = 0\r\n    name = ''\r\n\r\n    def __init__(self, i, n):\r\n        \"\"\"\r\n        Employee\u5bf9\u8c61\u6784\u9020\u51fd\u6570\r\n        :param i: \u6574\u6570\uff0c\u5fc5\u987b\u4e3a\u6b63\u6570\r\n        :param n: \u5b57\u7b26\u4e32\r\n        \"\"\"\r\n        self.id = i\r\n        self.name = n\r\n<\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6211\u4eec\u5df2\u7ecf\u4e3a\u51fd\u6570\u3001\u7c7b\u4ee5\u53ca\u5b83\u4eec\u7684\u65b9\u6cd5\u5b9a\u4e49\u4e86\u6587\u6863\u5b57\u7b26\u4e32\u3002\u60a8\u5e94\u8be5\u9075\u5faa\u4e00\u4e9b\u6587\u6863\u683c\u5f0f\uff0c\u6211\u5df2\u7ecf\u4f7f\u7528PyCharm IDE\u81ea\u52a8\u751f\u6210\u4e86\u4e00\u90e8\u5206\u6587\u6863\u3002NumPy\u6587\u6863\u5b57\u7b26\u4e32\u6307\u5357\u662f\u4e86\u89e3\u6b63\u786e\u7684\u5e2e\u52a9\u6587\u6863\u7f16\u5199\u65b9\u5f0f\u7684\u597d\u5730\u65b9\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u5728Python\u63a7\u5236\u53f0\u4e2d\u5c06\u8fd9\u4e2a\u6587\u6863\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5e2e\u52a9\u6587\u6863\u83b7\u53d6\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u63a7\u5236\u53f0\u4e2d\u6267\u884c\u6b64\u811a\u672c\u4ee5\u52a0\u8f7d\u6211\u4eec\u7684\u51fd\u6570\u548c\u7c7b\u5b9a\u4e49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528exec()\u547d\u4ee4\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; exec(open(\"python_help_examples.py\").read())\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528globals()\u547d\u4ee4\u9a8c\u8bc1\u51fd\u6570\u548c\u7c7b\u5b9a\u4e49\u662f\u5426\u5b58\u5728\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; globals()\r\n{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': &lt;class '_frozen_importlib.BuiltinImporter'&gt;, '__spec__': None, '__annotations__': {}, '__builtins__': &lt;module 'builtins' (built-in)&gt;, '__warningregistry__': {'version': 0}, 'add': &lt;function add at 0x100dda1e0&gt;, 'Employee': &lt;class '__main__.Employee'&gt;}\r\n<\/code><\/pre>\n<p>\u6ce8\u610f\u5230\u5168\u5c40\u8303\u56f4\u5b57\u5178\u4e2d\u5b58\u5728&#8217;Employee&#8217;\u548c&#8217;add&#8217;\u3002\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528help()\u51fd\u6570\u6765\u83b7\u53d6\u5e2e\u52a9\u6587\u6863\u3002\u8ba9\u6211\u4eec\u770b\u4e00\u4e9b\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('python_help_examples')\r\n<\/code><\/pre>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731af8\/19-0.png\" class=\"post-images\" alt=\"Python\u5e2e\u52a9\u81ea\u5b9a\u4e49\u6a21\u5757\" title=\"\">\n<\/div>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('python_help_examples.add')\r\n\r\n\u5173\u4e8epython_help_examples\u4e2d\u51fd\u6570add\u7684\u5e2e\u52a9\uff1a\r\n\r\npython_help_examples.add = add(x, y)\r\n    \u6b64\u51fd\u6570\u5c06\u7ed9\u5b9a\u7684\u6574\u6570\u53c2\u6570\u76f8\u52a0\r\n    :param x: \u6574\u6570\r\n    :param y: \u6574\u6570\r\n    :return: \u6574\u6570\r\n(END)\r\n<\/code><\/pre>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731af8\/21-0.png\" class=\"post-images\" alt=\"Python\u5e2e\u52a9\u51fd\u6570\" title=\"\">\n<\/div>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('python_help_examples.Employee')\r\n<\/code><\/pre>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731af8\/23-0.png\" class=\"post-images\" alt=\"Python\u5e2e\u52a9\u7c7b\" title=\"\">\n<\/div>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt; help('python_help_examples.Employee.__init__')\r\n\r\n\r\n\u5173\u4e8epython_help_examples.Employee\u4e2d\u51fd\u6570__init__\u7684\u5e2e\u52a9\uff1a\r\n\r\npython_help_examples.Employee.__init__ = __init__(self, i, n)\r\n    Employee\u5bf9\u8c61\u6784\u9020\u51fd\u6570\r\n    :param i: \u6574\u6570\uff0c\u5fc5\u987b\u4e3a\u6b63\u6570\r\n    :param n: \u5b57\u7b26\u4e32\r\n(END)\r\n<\/code><\/pre>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731af8\/25-0.png\" class=\"post-images\" alt=\"Python\u5e2e\u52a9\u7c7b\u65b9\u6cd5\" title=\"\">\n<\/div>\n<h2>\u603b\u7ed3<\/h2>\n<p>Python\u7684help()\u51fd\u6570\u975e\u5e38\u6709\u5e2e\u52a9\uff0c\u53ef\u4ee5\u83b7\u53d6\u5173\u4e8e\u6a21\u5757\u3001\u7c7b\u548c\u51fd\u6570\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u7684\u7c7b\u548c\u51fd\u6570\uff0c\u6700\u4f73\u5b9e\u8df5\u662f\u5b9a\u4e49\u6587\u6863\u5b57\u7b26\u4e32\u6765\u89e3\u91ca\u5b83\u4eec\u7684\u7528\u6cd5\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4ece\u6211\u4eec\u7684GitHub\u4ee3\u7801\u5e93\u4e2d\u68c0\u51fa\u5b8c\u6574\u7684Python\u811a\u672c\u548c\u66f4\u591a\u7684Python\u793a\u4f8b\u3002<\/p>\n<p>\u53c2\u8003\uff1a\u5b98\u65b9\u6587\u6863<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684help()\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u6307\u5b9a\u6a21\u5757\u3001\u7c7b\u3001\u51fd\u6570\u3001\u53d8\u91cf\u7b49\u7684\u6587\u6863\u3002\u8fd9\u4e2a\u65b9\u6cd5\u901a\u5e38\u4e0ePython\u89e3\u91ca\u5668\u63a7\u5236 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1577,1578,1579,280,1289],"class_list":["post-533","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-help","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python help()\u51fd\u6570\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5185\u7f6e\u5e2e\u52a9\u7cfb\u7edf\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0e\u6280\u5de7 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdPython help()\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u638c\u63e1Python\u5185\u7f6e\u5e2e\u52a9\u7cfb\u7edf\u3002\u901a\u8fc7\u5b9e\u4f8b\u6f14\u793a\u5982\u4f55\u6709\u6548\u5229\u7528help()\u83b7\u53d6\u51fd\u6570\u3001\u6a21\u5757\u548c\u5bf9\u8c61\u7684\u5e2e\u52a9\u4fe1\u606f\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u3002\u9002\u5408Python\u521d\u5b66\u8005\u548c\u8fdb\u9636\u5f00\u53d1\u8005\u9605\u8bfb\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/python-\u7684-help-\u51fd\u6570\u662f\u7528\u6765\u63d0\u4f9b\u5e2e\u52a9\u4fe1\u606f\u7684\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python 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