{"id":948011,"date":"2024-12-26T23:59:39","date_gmt":"2024-12-26T15:59:39","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/948011.html"},"modified":"2024-12-26T23:59:41","modified_gmt":"2024-12-26T15:59:41","slug":"%e5%a6%82%e4%bd%95%e7%9c%8bpython%e4%bd%8d%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/948011.html","title":{"rendered":"\u5982\u4f55\u770bpython\u4f4d\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25083544\/1bddaf62-170a-4a92-845f-780bec7762db.webp\" alt=\"\u5982\u4f55\u770bpython\u4f4d\u6570\" \/><\/p>\n<p><p> <strong>\u8981\u67e5\u770bPython\u4f4d\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528sys\u6a21\u5757\u4e2d\u7684<code>sys.maxsize<\/code>\u5c5e\u6027\u3001\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u3001\u4f7f\u7528\u5e73\u53f0\u5e93\u7684<code>platform.architecture()<\/code>\u51fd\u6570\u3002<\/strong>\u5176\u4e2d\uff0c<code>sys.maxsize<\/code>\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7\u8be5\u5c5e\u6027\u53ef\u4ee5\u95f4\u63a5\u4e86\u89e3Python\u4f4d\u6570\uff0c\u56e0\u4e3a\u5176\u503c\u4e3a32\u4f4d\u621664\u4f4d\u7684\u6700\u5927\u6574\u6570\uff1b\u800c\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u53ef\u4ee5\u5e2e\u52a9\u4f60\u76f4\u63a5\u4e86\u89e3\u5b89\u88c5\u7684Python\u7248\u672c\u4fe1\u606f\uff1b<code>platform.architecture()<\/code>\u51fd\u6570\u5219\u662f\u4e00\u4e2a\u66f4\u4e3a\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u6709\u5173Python\u89e3\u91ca\u5668\u7684\u4f4d\u6570\u548c\u94fe\u63a5\u683c\u5f0f\u7684\u4fe1\u606f\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528sys\u6a21\u5757<\/h3>\n<\/p>\n<p><p>Python\u7684<code>sys<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u8bbf\u95eePython\u89e3\u91ca\u5668\u6240\u4f7f\u7528\u7684\u67d0\u4e9b\u53d8\u91cf\u548c\u51fd\u6570\u3002\u901a\u8fc7<code>sys.maxsize<\/code>\uff0c\u53ef\u4ee5\u5224\u65adPython\u7684\u4f4d\u6570\u3002<\/p>\n<\/p>\n<ul>\n<li><strong><code>sys.maxsize<\/code>\u5c5e\u6027<\/strong>\uff1a\u572832\u4f4d\u7cfb\u7edf\u4e0a\uff0c<code>sys.maxsize<\/code>\u901a\u5e38\u662f<code>2&lt;strong&gt;31 - 1<\/code>\uff0c\u800c\u572864\u4f4d\u7cfb\u7edf\u4e0a\uff0c\u5b83\u5219\u662f<code>2&lt;\/strong&gt;63 - 1<\/code>\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u8fd9\u4e2a\u503c\u6765\u786e\u5b9aPython\u7684\u4f4d\u6570\u3002<\/li>\n<\/ul>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>def check_python_bit():<\/p>\n<p>    if sys.maxsize &gt; 232:<\/p>\n<p>        print(&quot;64-bit Python&quot;)<\/p>\n<p>    else:<\/p>\n<p>        print(&quot;32-bit Python&quot;)<\/p>\n<p>check_python_bit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u6839\u636e<code>sys.maxsize<\/code>\u7684\u503c\u6765\u8f93\u51faPython\u7684\u4f4d\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u901a\u8fc7\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u4e5f\u80fd\u5e2e\u52a9\u5224\u65adPython\u7684\u4f4d\u6570\u3002\u5728Windows\u7cfb\u7edf\u4e2d\uff0c32\u4f4d\u7684Python\u901a\u5e38\u5b89\u88c5\u5728<code>Program Files (x86)<\/code>\u76ee\u5f55\u4e0b\uff0c\u800c64\u4f4d\u7684Python\u5219\u5b89\u88c5\u5728<code>Program Files<\/code>\u76ee\u5f55\u4e0b\u3002<\/p>\n<\/p>\n<ul>\n<li><strong>\u65b9\u6cd5<\/strong>\uff1a\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u6765\u5224\u65ad\u3002<\/li>\n<\/ul>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>print(&quot;Python executable path:&quot;, sys.executable)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd0\u884c\u4ee5\u4e0a\u4ee3\u7801\u4f1a\u8f93\u51faPython\u7684\u53ef\u6267\u884c\u6587\u4ef6\u8def\u5f84\uff0c\u901a\u8fc7\u89c2\u5bdf\u8def\u5f84\u4e2d\u662f\u5426\u5305\u542b<code>(x86)<\/code>\u53ef\u4ee5\u521d\u6b65\u5224\u65adPython\u7684\u4f4d\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528platform\u6a21\u5757<\/h3>\n<\/p>\n<p><p>Python\u7684<code>platform<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u4e3a\u76f4\u63a5\u7684\u65b9\u6cd5\u6765\u68c0\u67e5Python\u4f4d\u6570\uff1a<code>platform.architecture()<\/code>\u51fd\u6570\u3002<\/p>\n<\/p>\n<ul>\n<li><strong><code>platform.architecture()<\/code>\u51fd\u6570<\/strong>\uff1a\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u4e24\u4e2a\u5143\u7d20\u7684\u5143\u7ec4\uff0c\u7b2c\u4e00\u4e2a\u5143\u7d20\u662fPython\u7684\u4f4d\u6570\uff0c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u662f\u94fe\u63a5\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<p><pre><code class=\"language-python\">import platform<\/p>\n<p>def check_architecture():<\/p>\n<p>    arch = platform.architecture()<\/p>\n<p>    print(&quot;Python architecture:&quot;, arch[0])<\/p>\n<p>check_architecture()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u51fd\u6570\u4f1a\u8fd4\u56de\u50cf<code>(&#39;64bit&#39;, &#39;ELF&#39;)<\/code>\u8fd9\u6837\u7684\u7ed3\u679c\uff0c\u7b2c\u4e00\u4e2a\u5143\u7d20\u8868\u793aPython\u89e3\u91ca\u5668\u7684\u4f4d\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u6bd4\u8f83\u4e09\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9<\/h3>\n<\/p>\n<p><h4>1\u3001sys.maxsize\u65b9\u6cd5<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u65e0\u9700\u989d\u5916\u6a21\u5757\uff0c\u7b80\u5355\u76f4\u63a5\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u5bf9\u4e8e\u4e0d\u719f\u6089Python\u5185\u90e8\u673a\u5236\u7684\u7528\u6237\u53ef\u80fd\u4e0d\u76f4\u89c2\u3002<\/li>\n<\/ul>\n<p><h4>2\u3001\u67e5\u770bPython\u5b89\u88c5\u8def\u5f84<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u4e0d\u9700\u8981\u4efb\u4f55\u4ee3\u7801\uff0c\u53ea\u9700\u67e5\u770b\u5b89\u88c5\u8def\u5f84\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u9700\u8981\u624b\u52a8\u64cd\u4f5c\uff0c\u5e76\u4e14\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4e0d\u51c6\u786e\u3002<\/li>\n<\/ul>\n<p><h4>3\u3001platform.architecture()\u65b9\u6cd5<\/h4>\n<\/p>\n<ul>\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u76f4\u63a5\u63d0\u4f9b\u4f4d\u6570\u4fe1\u606f\uff0c\u7b80\u5355\u660e\u4e86\u3002<\/li>\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u9700\u8981\u5f15\u5165<code>platform<\/code>\u6a21\u5757\u3002<\/li>\n<\/ul>\n<p><h3>\u4e94\u3001\u5982\u4f55\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5<\/h3>\n<\/p>\n<p><h4>1\u3001Windows\u7cfb\u7edf<\/h4>\n<\/p>\n<p><p>\u5728Windows\u7cfb\u7edf\u4e0a\uff0c\u4ee5\u4e0a\u4e09\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u4f7f\u7528\u3002\u5c24\u5176\u662f\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u975e\u5e38\u76f4\u89c2\uff0c\u56e0\u4e3aWindows\u7cfb\u7edf\u5c0632\u4f4d\u7a0b\u5e8f\u548c64\u4f4d\u7a0b\u5e8f\u533a\u5206\u5b89\u88c5\u5728\u4e0d\u540c\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n<\/p>\n<p><h4>2\u3001Linux\u7cfb\u7edf<\/h4>\n<\/p>\n<p><p>\u5728Linux\u7cfb\u7edf\u4e0a\uff0c<code>sys.maxsize<\/code>\u548c<code>platform.architecture()<\/code>\u662f\u975e\u5e38\u6709\u6548\u7684\u65b9\u6cd5\u3002Linux\u7cfb\u7edf\u7684\u76ee\u5f55\u7ed3\u6784\u4e0eWindows\u4e0d\u540c\uff0c\u65e0\u6cd5\u901a\u8fc7\u5b89\u88c5\u8def\u5f84\u8fdb\u884c\u5224\u65ad\u3002<\/p>\n<\/p>\n<p><h4>3\u3001MacOS\u7cfb\u7edf<\/h4>\n<\/p>\n<p><p>MacOS\u7cfb\u7edf\u7c7b\u4f3c\u4e8eLinux\u7cfb\u7edf\uff0c\u63a8\u8350\u4f7f\u7528<code>sys.maxsize<\/code>\u548c<code>platform.architecture()<\/code>\u65b9\u6cd5\u6765\u5224\u65adPython\u7684\u4f4d\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u5982\u4f55\u5728\u4e0d\u540cPython\u7248\u672c\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>Python\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u5bf9\u7cfb\u7edf\u548c\u67b6\u6784\u7684\u652f\u6301\u7a0b\u5ea6\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u4e0a\u8ff0\u65b9\u6cd5\u5728Python 2\u548cPython 3\u4e2d\u90fd\u80fd\u6b63\u5e38\u4f7f\u7528\u3002\u7136\u800c\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cPython 2\u5df2\u7ecf\u505c\u6b62\u66f4\u65b0\uff0c\u5efa\u8bae\u7528\u6237\u8fc1\u79fb\u81f3Python 3\uff0c\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><h4>1\u3001Python 2\u4e2d\u7684\u4f7f\u7528<\/h4>\n<\/p>\n<p><p>\u5728Python 2\u4e2d\uff0c<code>sys.maxsize<\/code>\u540c\u6837\u6709\u6548\uff0c<code>platform.architecture()<\/code>\u51fd\u6570\u4e5f\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>import platform<\/p>\n<p>print(&quot;Python version:&quot;, sys.version)<\/p>\n<p>print(&quot;Max size:&quot;, sys.maxsize)<\/p>\n<p>print(&quot;Architecture:&quot;, platform.architecture())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001Python 3\u4e2d\u7684\u4f7f\u7528<\/h4>\n<\/p>\n<p><p>Python 3\u5bf9\u8fd9\u4e9b\u65b9\u6cd5\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u652f\u6301\uff0c\u5c24\u5176\u662f\u5bf964\u4f4d\u7684\u652f\u6301\u66f4\u4e3a\u5168\u9762\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>import platform<\/p>\n<p>print(&quot;Python version:&quot;, sys.version)<\/p>\n<p>print(&quot;Max size:&quot;, sys.maxsize)<\/p>\n<p>print(&quot;Architecture:&quot;, platform.architecture())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3\u548c\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u5224\u65adPython\u7684\u4f4d\u6570\u662f\u5f00\u53d1\u548c\u90e8\u7f72\u8fc7\u7a0b\u4e2d\u5e38\u89c1\u7684\u9700\u6c42\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5feb\u901f\u51c6\u786e\u5730\u4e86\u89e3Python\u89e3\u91ca\u5668\u7684\u4f4d\u6570\u4fe1\u606f\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u9700\u6c42\uff0c<code>sys.maxsize<\/code>\u8db3\u4ee5\u6ee1\u8db3\uff1b\u5bf9\u4e8e\u9700\u8981\u66f4\u76f4\u89c2\u7ed3\u679c\u7684\u573a\u5408\uff0c<code>platform.architecture()<\/code>\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u5efa\u8bae\u7ed3\u5408\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5728Windows\u7cfb\u7edf\u4e2d\uff0c\u67e5\u770b\u5b89\u88c5\u8def\u5f84\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff0c\u800c\u5728Linux\u548cMacOS\u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528\u4ee3\u7801\u5224\u65ad\u5219\u66f4\u4e3a\u53ef\u9760\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u4f60\u7684\u4ee3\u7801\u517c\u5bb9Python 3\uff0c\u4ee5\u83b7\u5f97\u6301\u7eed\u7684\u652f\u6301\u548c\u66f4\u65b0\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5224\u65ad\u4e00\u4e2a\u6570\u5728Python\u4e2d\u662f\u51e0\u4f4d\u6570\u7684\uff1f<\/strong><br \/>\u53ef\u4ee5\u901a\u8fc7\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u6765\u5224\u65ad\u5176\u4f4d\u6570\u3002\u4f7f\u7528<code>len(str(number))<\/code>\u53ef\u4ee5\u83b7\u53d6\u6570\u5b57\u7684\u4f4d\u6570\u3002\u4f8b\u5982\uff0c<code>len(str(12345))<\/code>\u5c06\u8fd4\u56de5\uff0c\u8868\u793a12345\u662f\u4e00\u4e2a5\u4f4d\u6570\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5904\u7406\u5927\u6570\u5b57\u65f6\uff0c\u6709\u4ec0\u4e48\u7279\u522b\u7684\u6ce8\u610f\u4e8b\u9879\u5417\uff1f<\/strong><br \/>\u5904\u7406\u5927\u6570\u5b57\u65f6\uff0cPython\u7684\u6574\u6570\u7c7b\u578b\u4f1a\u81ea\u52a8\u8c03\u6574\u5927\u5c0f\uff0c\u4e0d\u4f1a\u51fa\u73b0\u6ea2\u51fa\u95ee\u9898\u3002\u4f46\u5728\u8fdb\u884c\u6570\u503c\u8fd0\u7b97\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8ba1\u7b97\u901f\u5ea6\u53d8\u6162\u3002\u4f7f\u7528<code>decimal<\/code>\u6a21\u5757\u53ef\u4ee5\u63d0\u9ad8\u5927\u6570\u8ba1\u7b97\u7684\u7cbe\u5ea6\u548c\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u8d22\u52a1\u8ba1\u7b97\u65f6\u3002<\/p>\n<p><strong>\u600e\u6837\u5728Python\u4e2d\u83b7\u53d6\u4e00\u4e2a\u6570\u7684\u4f4d\u6570\u800c\u4e0d\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u6570\u5b66\u65b9\u6cd5\u6765\u83b7\u53d6\u4e00\u4e2a\u6570\u7684\u4f4d\u6570\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e0d\u65ad\u9664\u4ee510\u6765\u8ba1\u7b97\u4f4d\u6570\uff0c\u76f4\u5230\u6570\u53d8\u4e3a0\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">def count_digits(n):\n    count = 0\n    while n &gt; 0:\n        n \/\/= 10\n        count += 1\n    return count\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u9002\u5408\u5904\u7406\u6b63\u6574\u6570\uff0c\u5bf9\u4e8e\u8d1f\u6570\u548c0\uff0c\u9700\u8981\u989d\u5916\u7684\u5904\u7406\u903b\u8f91\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u67e5\u770bPython\u4f4d\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528sys\u6a21\u5757\u4e2d\u7684sys.maxsize\u5c5e\u6027\u3001\u67e5\u770bPython\u7684\u5b89\u88c5\u8def\u5f84\u3001\u4f7f\u7528\u5e73\u53f0 [&hellip;]","protected":false},"author":3,"featured_media":948019,"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\/948011"}],"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=948011"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/948011\/revisions"}],"predecessor-version":[{"id":948020,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/948011\/revisions\/948020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/948019"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=948011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=948011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=948011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}