{"id":304085,"date":"2024-05-20T19:14:35","date_gmt":"2024-05-20T11:14:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/304085.html"},"modified":"2024-05-20T19:14:50","modified_gmt":"2024-05-20T11:14:50","slug":"python-3-3-%e4%b8%ad-input-%e8%bf%94%e5%9b%9e%e5%80%bc%e7%b1%bb%e5%9e%8b%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/304085.html","title":{"rendered":"Python 3.3 \u4e2d input() \u8fd4\u56de\u503c\u7c7b\u578b\u662f\u4ec0\u4e48"},"content":{"rendered":"

\"Python<\/p>\n

\u5728Python 3.3\u4e2d\uff0cinput()<\/code> \u51fd\u6570\u603b\u662f\u8fd4\u56de\u4e00\u4e2a \u5b57\u7b26\u4e32\uff08str\uff09\u7c7b\u578b\u7684\u503c<\/strong>\u3002\u5f53\u7528\u6237\u8f93\u5165\u4efb\u4f55\u6570\u636e\u5e76\u6309\u4e0b\u56de\u8f66\u952e\u540e\uff0cinput() \u4f1a\u5c06\u8f93\u5165\u7684\u5185\u5bb9\u8bfb\u53d6\u4e3a\u5b57\u7b26\u4e32\uff0c\u65e0\u8bba\u8f93\u5165\u7684\u5185\u5bb9\u770b\u8d77\u6765\u50cf\u4e0d\u50cf\u6570\u5b57\u3001\u5e03\u5c14\u503c\u6216\u5176\u4ed6\u4efb\u4f55\u7c7b\u578b\u3002\u8fd9\u4e00\u70b9\uff0c\u662f\u4e0ePython 2.x\u4e2d\u7684input()\u548craw_input()\u51fd\u6570\u76f8\u533a\u522b\u7684\u91cd\u8981\u7279\u5f81\u3002<\/p>\n<\/p>\n

\u5b57\u7b26\u4e32\u7c7b\u578b\u5728Python\u4e2d\u6781\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u5305\u542b\u51e0\u4e4e\u4efb\u4f55\u80fd\u88ab\u952e\u76d8\u8f93\u5165\u7684\u5b57\u7b26\u5e8f\u5217\u3002\u7531\u4e8e\u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32\uff0c\u5f53\u4f60\u9700\u8981\u5c06\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7528\u4f5c\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u65f6\uff0c\u4f60 \u5fc5\u987b\u663e\u5f0f\u5730\u5c06\u5176\u8f6c\u6362<\/strong>\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u5e76\u671f\u671b\u5c06\u8fd9\u4e2a\u8f93\u5165\u7528\u4f5c\u6570\u5b66\u8fd0\u7b97\uff0c\u90a3\u4e48\u5fc5\u987b\u4f7f\u7528 int()<\/code> \u51fd\u6570\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u8fd9\u4e2a\u8f6c\u6362\u6b65\u9aa4\u662f\u9700\u8981\u5f00\u53d1\u8005\u7279\u522b\u6ce8\u610f\u7684\uff0c\u56e0\u4e3a\u5982\u679c\u8f93\u5165\u7684\u5185\u5bb9\u65e0\u6cd5\u88ab\u8f6c\u6362\u4e3a\u6307\u5b9a\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4f1a\u629b\u51fa\u4e00\u4e2a ValueError<\/code>\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3input()\u51fd\u6570<\/h3>\n<\/p>\n

\u80cc\u666f\u4e0e\u5de5\u4f5c\u539f\u7406<\/h4>\n<\/p>\n

input() \u51fd\u6570\u662fPython\u4e2d\u8fdb\u884c\u57fa\u672c\u7684\u4ea4\u4e92\u8f93\u5165\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u65e8\u5728\u8ba9\u7a0b\u5e8f\u53ef\u4ee5\u63a5\u6536\u7528\u6237\u901a\u8fc7\u952e\u76d8\u8f93\u5165\u7684\u4fe1\u606f\u3002\u5728Python 3.x\u7248\u672c\u4e2d\uff0c\u65e0\u8bba\u4f60\u8f93\u5165\u7684\u5185\u5bb9\u662f\u6570\u5b57\u3001\u6587\u5b57\u8fd8\u662f\u6df7\u5408\u5f0f\u7684\u5b57\u7b26\u4e32\uff0cinput() \u603b\u4f1a\u5c06\u5176\u5904\u7406\u4e3a\u4e00\u4e2a\u7eaf\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n

\u4ece\u7528\u6237\u4ea4\u4e92\u5230\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n

\u5f53\u4f60\u8c03\u7528input() \u51fd\u6570\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u6682\u505c\u963b\u585e\u6267\u884c\uff0c\u7b49\u5f85\u7528\u6237\u8f93\u5165\u3002\u7528\u6237\u8f93\u5165\u7684\u4efb\u4f55\u5185\u5bb9\uff0c\u5728\u6309\u4e0b\u56de\u8f66\u952e\u4e4b\u540e\uff0c\u90fd\u4f1a\u88abinput() \u8bfb\u53d6\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u5b57\u7b26\u4e32\u5904\u7406<\/h3>\n<\/p>\n

\u6570\u636e\u7c7b\u578b\u8f6c\u6362<\/h4>\n<\/p>\n

\u4e86\u89e3\u5230input() \u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32\u540e\uff0c\u4f7f\u7528\u8be5\u51fd\u6570\u5c31\u9700\u8981\u8003\u8651\u5230\u53ef\u80fd\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u95ee\u9898\u3002\u6bd4\u5982\uff0c\u4e3a\u4e86\u4f7f\u7528\u6570\u503c\u8fd0\u7b97\uff0c\u7ecf\u5e38\u9700\u8981\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u578b int()<\/code> \u6216\u6d6e\u70b9\u578b float()<\/code>\u3002\u4f46\u662f\uff0c\u8981\u5c0f\u5fc3\u5904\u7406\u7528\u6237\u53ef\u80fd\u7684\u65e0\u6548\u8f93\u5165\uff0c\u5426\u5219\u7c7b\u578b\u8f6c\u6362\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u3002<\/p>\n<\/p>\n

\u5b57\u7b26\u4e32\u64cd\u4f5c\u548c\u9a8c\u8bc1<\/h4>\n<\/p>\n

\u5b57\u7b26\u4e32\u662fPython\u4e2d\u4f7f\u7528\u6700\u9891\u7e41\u7684\u6570\u636e\u7c7b\u578b\u4e4b\u4e00\uff0c\u4e5f\u62e5\u6709\u8bb8\u591a\u5f3a\u5927\u7684\u5185\u7f6e\u65b9\u6cd5\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9\u4eceinput() \u5f97\u5230\u7684\u6570\u636e\u8fdb\u884c\u6821\u9a8c\u3001\u683c\u5f0f\u5316\u6216\u5176\u4ed6\u5904\u7406\uff0c\u4ee5\u6b64\u6765\u786e\u4fdd\u6570\u636e\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u9519\u8bef\u5904\u7406\u4e0e\u7528\u6237\u63d0\u793a<\/h3>\n<\/p>\n

\u907f\u514d\u548c\u4fee\u590d\u9519\u8bef<\/h4>\n<\/p>\n

\u7528\u6237\u8f93\u5165\u5904\u7406\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u662f\uff0c\u7528\u6237\u53ef\u80fd\u8f93\u5165\u9519\u8bef\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u5728\u671f\u671b\u7684\u662f\u4e00\u4e2a\u6574\u6570\u7684\u5730\u65b9\u8f93\u5165\u4e86\u4e00\u4e32\u6587\u5b57\u3002\u56e0\u6b64\uff0c\u5728\u5c06input() \u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u4e4b\u524d\uff0c\u901a\u5e38\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u7ed3\u6784try…except…\uff0c\u4ee5\u4fbf\u4f18\u96c5\u5730\u5904\u7406\u9519\u8bef\u3002<\/p>\n<\/p>\n

\u7ed9\u7528\u6237\u6e05\u6670\u7684\u53cd\u9988<\/h4>\n<\/p>\n

\u5f53\u5229\u7528input() \u51fd\u6570\u83b7\u53d6\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u63d0\u793a\u5b57\u7b26\u4e32\u6765\u4f7f\u5f97\u7528\u6237\u6e05\u695a\u5e94\u8be5\u8f93\u5165\u4ec0\u4e48\u7c7b\u578b\u7684\u6570\u636e\u3002\u5982\u679c\u53d1\u751f\u9519\u8bef\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u660e\u786e\u3001\u53cb\u597d\u7684\u9519\u8bef\u4fe1\u606f\u4e5f\u662f\u826f\u597d\u7684\u4ea4\u4e92\u8bbe\u8ba1\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f\u793a\u4f8b<\/h3>\n<\/p>\n

\u7b80\u5355\u8f93\u5165\u8f93\u51fa<\/h4>\n<\/p>\n

\u4e00\u4e2a\u5178\u578b\u5e94\u7528\u662f\u8ba9\u7528\u6237\u8f93\u5165\u4e00\u4e9b\u6587\u672c\u4fe1\u606f\uff0c\u6bd4\u5982\u59d3\u540d\u6216\u8005\u90ae\u7bb1\u5730\u5740\uff0c\u5e76\u5c06\u8fd9\u4e9b\u4fe1\u606f\u7528\u4e8e\u540e\u7eed\u7a0b\u5e8f\u7684\u5176\u4ed6\u90e8\u5206\u3002<\/p>\n<\/p>\n

\u6570\u636e\u7c7b\u578b\u654f\u611f\u7684\u60c5\u5883<\/h4>\n<\/p>\n

\u5728\u6570\u503c\u8ba1\u7b97\u6216\u6570\u636e\u5904\u7406\u7b49\u64cd\u4f5c\u4e2d\uff0c\u5f00\u53d1\u8005\u901a\u5e38\u9700\u8981\u5c06\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u7279\u5b9a\u7684\u6570\u503c\u7c7b\u578b\uff0c\u5982\u6574\u6570\u6216\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u9ad8\u7ea7\u5e94\u7528\u6280\u5de7<\/h3>\n<\/p>\n

\u6570\u636e\u9a8c\u8bc1\u4e0e\u5904\u7406<\/h4>\n<\/p>\n

\u5728\u83b7\u5f97\u7528\u6237\u8f93\u5165\u540e\uff0c\u5bf9\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u9002\u5f53\u7684\u9a8c\u8bc1\u548c\u6e05\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u5229\u7528Python\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff08\u6b63\u5219\u6a21\u5757re\uff09\u6765\u9a8c\u8bc1\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n

\u6784\u5efa\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c\u5de5\u5177<\/h4>\n<\/p>\n

Python\u7684input() \u529f\u80fd\u5e38\u88ab\u7528\u6765\u6784\u5efa\u7b80\u5355\u7684\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5b83\u4ece\u7528\u6237\u90a3\u91cc\u6536\u96c6\u8f93\u5165\uff0c\u6267\u884c\u76f8\u5e94\u64cd\u4f5c\u540e\u7ed9\u51fa\u53cd\u9988\u3002\u901a\u8fc7\u5faa\u73af\u548c\u6761\u4ef6\u8bed\u53e5\u7684\u7ec4\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u521b\u5efa\u590d\u6742\u7684\u7528\u6237\u4ea4\u4e92\u903b\u8f91\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u4ee5\u4e0a\u5206\u6790\uff0c\u6211\u4eec\u4e86\u89e3\u5230Python 3.3\u4e2d\u7684input()<\/code> \u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u4ee5\u53ca\u5904\u7406\u8fd9\u4e9b\u8fd4\u56de\u503c\u65f6\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u3002\u5728\u5b9e\u9645\u7684\u7f16\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u6b63\u786e\u5730\u4f7f\u7528input() \u51fd\u6570\u548c\u5904\u7406\u5176\u8fd4\u56de\u503c\u662f\u786e\u4fdd\u7a0b\u5e8f\u5065\u58ee\u6027\u548c\u7528\u6237\u53cb\u597d\u6027\u7684\u5173\u952e\u6240\u5728\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u4f60\u80fd\u544a\u8bc9\u6211\u5728Python 3.3\u4e2d\uff0cinput()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\u503c\u5417\uff1f<\/strong><\/p>\n

\u5728Python 3.3\u4e2d\uff0cinput()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u3002\u65e0\u8bba\u7528\u6237\u8f93\u5165\u7684\u662f\u4ec0\u4e48\uff0cinput()\u51fd\u6570\u90fd\u4f1a\u5c06\u5176\u4f5c\u4e3a\u5b57\u7b26\u4e32\u5904\u7406\u5e76\u8fd4\u56de\u3002<\/p>\n

2. Python 3.3\u4e2d\u7684input()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u5417\uff1f\u6211\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5176\u4ed6\u7c7b\u578b\u5417\uff1f<\/strong><\/p>\n

\u662f\u7684\uff0c\u5728Python 3.3\u4e2d\uff0cinput()\u51fd\u6570\u8fd4\u56de\u7684\u786e\u5b9e\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u3002\u5982\u679c\u4f60\u60f3\u5c06\u5176\u8f6c\u6362\u4e3a\u5176\u4ed6\u7c7b\u578b\uff0c\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\uff08\u5982int()\u3001float()\u7b49\uff09\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3001\u6d6e\u70b9\u6570\u6216\u5176\u4ed6\u7c7b\u578b\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u5c06\u7528\u6237\u8f93\u5165\u7684\u503c\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528int()\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

num = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff1a"))\n<\/code><\/pre>\n
\u8fd9\u6837\uff0c\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u5c06\u88ab\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u7684\u503c\u3002<\/p>\n
3. \u6211\u77e5\u9053Python 3.3\u4e2d\u7684input()\u51fd\u6570\u8fd4\u56de\u7684\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\uff0c\u4f46\u5982\u679c\u6211\u9700\u8981\u7528\u6237\u8f93\u5165\u5176\u4ed6\u7c7b\u578b\u7684\u503c\u600e\u4e48\u529e\uff1f\u6709\u4ec0\u4e48\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u624b\u52a8\u8f6c\u6362\u7c7b\u578b\u5417\uff1f<\/strong><\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u7528\u6237\u8f93\u5165\u9664\u5b57\u7b26\u4e32\u4e4b\u5916\u7684\u5176\u4ed6\u7c7b\u578b\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528eval()\u51fd\u6570\u5c06\u7528\u6237\u8f93\u5165\u7684\u503c\u76f4\u63a5\u4f5c\u4e3aPython\u8868\u8fbe\u5f0f\u8fdb\u884c\u6c42\u503c\uff0c\u5e76\u8fd4\u56de\u5176\u7ed3\u679c\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528eval()\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
num = eval(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff1a"))\n<\/code><\/pre>\n
\u8fd9\u6837\uff0c\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u5c06\u88ab\u4f5c\u4e3aPython\u8868\u8fbe\u5f0f\u8fdb\u884c\u6c42\u503c\uff0c\u5e76\u8fd4\u56de\u5176\u7ed3\u679c\u3002eval()\u51fd\u6570\u4f1a\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u81ea\u52a8\u786e\u5b9a\u5176\u7c7b\u578b\uff0c\u5e76\u8fd4\u56de\u76f8\u5e94\u7684\u503c\uff0c\u907f\u514d\u4e86\u624b\u52a8\u8f6c\u6362\u7c7b\u578b\u7684\u6b65\u9aa4\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528eval()\u51fd\u6570\u9700\u8981\u8c28\u614e\uff0c\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\u5e94\u786e\u4fdd\u8f93\u5165\u7684\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python 3.3\u4e2d\uff0cinput() \u51fd\u6570\u603b\u662f\u8fd4\u56de\u4e00\u4e2a \u5b57\u7b26\u4e32\uff08str\uff09\u7c7b\u578b\u7684\u503c\u3002\u5f53\u7528\u6237\u8f93\u5165\u4efb\u4f55\u6570\u636e\u5e76\u6309\u4e0b […]","protected":false},"author":3,"featured_media":304111,"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\/304085"}],"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=304085"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/304085\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/304111"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=304085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=304085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=304085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}