{"id":306076,"date":"2024-05-20T20:01:19","date_gmt":"2024-05-20T12:01:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/306076.html"},"modified":"2024-05-20T20:01:30","modified_gmt":"2024-05-20T12:01:30","slug":"scanf_s-%e5%87%bd%e6%95%b0%e5%92%8c-getchar%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/306076.html","title":{"rendered":"scanf_s() \u51fd\u6570\u548c getchar\uff08\uff09\u51fd\u6570\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"

\"scanf_s()<\/p>\n

scanf_s()<\/code>\u51fd\u6570\u548cgetchar()<\/code>\u51fd\u6570\u4e3b\u8981\u4f53\u73b0\u5728\u5b83\u4eec\u7684\u7528\u9014\u3001\u529f\u80fd\u4ee5\u53ca\u8f93\u5165\u5904\u7406\u4e0a\u7684\u5dee\u5f02\u3002<\/strong>scanf_s()<\/code>\u51fd\u6570\u662f\u4e00\u4e2a\u683c\u5f0f\u5316\u7684\u8f93\u5165\u51fd\u6570\uff0c\u7528\u4e8e\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u683c\u5f0f\u5316\u6570\u636e\u3001\u5f3a\u5236\u8981\u6c42\u63d0\u4f9b\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u589e\u52a0\u4e86\u5b89\u5168\u6027<\/strong>\uff0c\u9002\u5408\u4e8e\u8f93\u5165\u5177\u6709\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\u3002\u800cgetchar()<\/code>\u51fd\u6570\u7528\u4e8e\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\uff0c\u7b80\u5355\u4e14\u76f4\u63a5\uff0c\u901a\u5e38\u7528\u4e8e\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\u6570\u636e\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7528\u9014\u4e0e\u529f\u80fd\u5dee\u5f02<\/h3>\n<\/p>\n

scanf_s()<\/code>\u51fd\u6570\u662fscanf()<\/code>\u7684\u4e00\u4e2a\u66f4\u5b89\u5168\u7684\u7248\u672c\uff0c\u5b83\u8981\u6c42\u5728\u8bfb\u53d6\u67d0\u4e9b\u7c7b\u578b\u7684\u6570\u636e\u65f6\u5fc5\u987b\u63d0\u4f9b\u63a5\u6536\u6570\u636e\u7684\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002\u8fd9\u79cd\u8981\u6c42\u51cf\u5c11\u4e86\u7f13\u51b2\u533a\u6ea2\u51fa\u7684\u98ce\u9669\uff0c\u4f7f\u5f97\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u63d0\u9ad8\u3002scanf_s()<\/code>\u53ef\u4ee5\u8bfb\u53d6\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u7b49\uff0c\u5e76\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u6765\u8bfb\u53d6\u8f93\u5165\u6570\u636e\u3002<\/p>\n<\/p>\n

getchar()<\/code>\u51fd\u6570\u975e\u5e38\u7b80\u5355\uff0c\u5b83\u76f4\u63a5\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u4e0b\u4e00\u4e2a\u53ef\u7528\u7684\u5b57\u7b26<\/strong>\uff0c\u4e0d\u505a\u4efb\u4f55\u989d\u5916\u7684\u5904\u7406\u3002\u8fd4\u56de\u7684\u662f\u8bfb\u53d6\u7684\u5b57\u7b26\u7684ASCII\u503c\uff0c\u5982\u679c\u9047\u5230\u6587\u4ef6\u7ed3\u675f\u6216\u8bfb\u53d6\u9519\u8bef\uff0c\u5219\u8fd4\u56deEOF\u3002\u7531\u4e8egetchar()<\/code>\u4ec5\u4ec5\u662f\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\uff0c\u6240\u4ee5\u5b83\u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355\u76f4\u89c2\uff0c\u4f46\u8fd9\u4e5f\u610f\u5473\u7740\u5b83\u5728\u5904\u7406\u590d\u6742\u7684\u8f93\u5165\u683c\u5f0f\u65f6\u80fd\u529b\u6709\u9650\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u8f93\u5165\u5904\u7406\u5dee\u5f02<\/h3>\n<\/p>\n

scanf_s()<\/code>\u5728\u5904\u7406\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6765\u6307\u5b9a\u8f93\u5165\u6570\u636e\u7684\u7c7b\u578b\u548c\u683c\u5f0f<\/strong>\u3002\u8fd9\u610f\u5473\u7740scanf_s()<\/code>\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u8bfb\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\uff0c\u6bd4\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u6216\u5b57\u7b26\u4e32\uff0c\u8fd8\u53ef\u4ee5\u8df3\u8fc7\u8f93\u5165\u6d41\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\u3002\u901a\u8fc7\u683c\u5f0f\u5316\u8f93\u5165\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5904\u7406\u7528\u6237\u7684\u8f93\u5165\u3002<\/p>\n<\/p>\n

getchar()<\/code>\u51fd\u6570\u5904\u7406\u8f93\u5165\u7684\u65b9\u5f0f\u975e\u5e38\u57fa\u7840\uff0c\u5b83\u4e0d\u533a\u5206\u6570\u636e\u7c7b\u578b\uff0c\u6bcf\u6b21\u8c03\u7528\u53ea\u8bfb\u53d6\u4e00\u4e2a\u5b57\u7b26\u3002\u7531\u4e8e\u5b83\u7684\u8fd9\u79cd\u7279\u6027\uff0cgetchar()<\/code>\u975e\u5e38\u9002\u7528\u4e8e\u9700\u8981\u9010\u5b57\u7b26\u5904\u7406\u8f93\u5165\u7684\u573a\u666f<\/strong>\uff0c\u5982\u9010\u884c\u8bfb\u53d6\u6587\u672c\u6570\u636e\u6216\u5904\u7406\u8f93\u5165\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5b89\u5168\u6027\u8003\u91cf<\/h3>\n<\/p>\n

scanf_s()<\/code>\u51fd\u6570\u7684\u8bbe\u8ba1\u8003\u8651\u5230\u4e86\u5b89\u5168\u6027<\/strong>\u3002\u5b83\u901a\u8fc7\u8981\u6c42\u5f00\u53d1\u8005\u63d0\u4f9b\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u6765\u51cf\u5c11\u7f13\u51b2\u533a\u6ea2\u51fa\u7684\u98ce\u9669\u3002\u8fd9\u662fscanf_s()<\/code>\u76f8\u5bf9\u4e8escanf()<\/code>\u7684\u4e00\u4e2a\u663e\u8457\u4f18\u52bf\uff0c\u5c24\u5176\u5728\u5904\u7406\u5b57\u7b26\u4e32\u8f93\u5165\u65f6\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n

\u4e0e\u6b64\u76f8\u5bf9\uff0cgetchar()<\/code>\u51fd\u6570\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u56e0\u4e3agetchar()<\/code>\u4e0d\u63d0\u4f9b\u76f4\u63a5\u7684\u673a\u5236\u6765\u9650\u5236\u8f93\u5165\u7684\u5927\u5c0f\uff0c\u5982\u679c\u4e0d\u52a0\u4ee5\u9002\u5f53\u5904\u7406\uff0c\u6781\u7aef\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bf9\u7a0b\u5e8f\u5b89\u5168\u9020\u6210\u5a01\u80c1\u3002<\/p>\n<\/p>\n

\u56db\u3001\u9002\u7528\u573a\u666f\u7684\u9009\u62e9<\/h3>\n<\/p>\n

\u7531\u4e8escanf_s()<\/code>\u548cgetchar()<\/code>\u5728\u529f\u80fd\u548c\u5b89\u5168\u6027\u4e0a\u7684\u5dee\u5f02\uff0c\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6700\u4f73\u7528\u9014\u4e5f\u6709\u6240\u4e0d\u540c\u3002scanf_s()<\/code>\u66f4\u9002\u5408\u4e8e\u90a3\u4e9b\u9700\u8981\u8f93\u5165\u683c\u5f0f\u4e25\u683c\u5b9a\u4e49\u7684\u573a\u5408<\/strong>\uff0c\u6bd4\u5982\u9700\u8981\u7528\u6237\u8f93\u5165\u4e00\u7cfb\u5217\u6570\u636e\u7528\u4e8e\u8ba1\u7b97\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f7f\u7528scanf_s()<\/code>\u53ef\u4ee5\u786e\u4fdd\u8bfb\u53d6\u5230\u6b63\u786e\u683c\u5f0f\u7684\u6570\u636e\uff0c\u540c\u65f6\u51cf\u5c11\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<\/p>\n

\u53cd\u89c2getchar()<\/code>\u66f4\u9002\u7528\u4e8e\u5904\u7406\u7b80\u5355\u7684\u5b57\u7b26\u8f93\u5165\uff0c\u5982\u8bfb\u53d6\u7528\u6237\u7684\u6309\u952e\u64cd\u4f5c\u6216\u8fdb\u884c\u9010\u5b57\u7b26\u5206\u6790\u7684\u6587\u672c\u5904\u7406\u7a0b\u5e8f\u3002\u7531\u4e8e\u5b83\u7684\u7b80\u5355\u6027\uff0cgetchar()<\/code>\u5728\u8fd9\u4e9b\u573a\u5408\u80fd\u591f\u63d0\u4f9b\u8db3\u591f\u7684\u7075\u6d3b\u6027\u548c\u9ad8\u6548\u7387\u3002<\/p>\n<\/p>\n

\u603b\u7ed3\u6765\u8bf4\uff0cscanf_s()<\/code>\u548cgetchar()<\/code>\u867d\u7136\u90fd\u7528\u4e8e\u8f93\u5165\uff0c\u4f46\u5b83\u4eec\u670d\u52a1\u7684\u573a\u666f\u548c\u9700\u6c42\u4e0d\u540c\u3002\u9009\u62e9\u54ea\u4e00\u4e2a\u51fd\u6570\uff0c\u5e94\u6839\u636e\u5b9e\u9645\u9700\u6c42\u3001\u5b89\u5168\u6027\u8003\u91cf\u548c\u5b9e\u73b0\u7684\u590d\u6742\u5ea6\u6765\u51b3\u5b9a\u3002<\/p>\n<\/p>\n

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

1. scanf_s() \u51fd\u6570\u548c getchar() \u51fd\u6570\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong>
\nscanf_s() \u51fd\u6570\u548c getchar() \u51fd\u6570\u662fC\u8bed\u8a00\u4e2d\u7528\u4e8e\u8f93\u5165\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u51fd\u6570\u3002\u5b83\u4eec\u4e4b\u95f4\u6709\u4ee5\u4e0b\u533a\u522b\uff1a<\/p>\n

    \n
  • \u8f93\u5165\u65b9\u5f0f\u4e0d\u540c\uff1ascanf_s() \u51fd\u6570\u662f\u7528\u6765\u8bfb\u53d6\u7528\u6237\u4ece\u952e\u76d8\u8f93\u5165\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u8f93\u5165\uff0c\u5e76\u4e14\u53ef\u4ee5\u6307\u5b9a\u8f93\u5165\u7684\u683c\u5f0f\uff1b\u800c getchar() \u51fd\u6570\u662f\u7528\u6765\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\uff0c\u6bcf\u6b21\u53ea\u80fd\u63a5\u6536\u4e00\u4e2a\u5b57\u7b26\u3002<\/li>\n
  • \u9519\u8bef\u5904\u7406\u4e0d\u540c\uff1ascanf_s() \u51fd\u6570\u5728\u9047\u5230\u8f93\u5165\u9519\u8bef\u65f6\u53ef\u4ee5\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u6bd4\u5982\u5f53\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u683c\u5f0f\u4e0d\u5339\u914d\u65f6\u53ef\u4ee5\u91cd\u65b0\u8981\u6c42\u7528\u6237\u91cd\u65b0\u8f93\u5165\uff1b\u800c getchar() \u51fd\u6570\u6ca1\u6709\u5185\u7f6e\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\uff0c\u5b83\u76f4\u63a5\u8bfb\u53d6\u8f93\u5165\u6d41\u4e2d\u7684\u4e0b\u4e00\u4e2a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n

    2. scanf_s() \u51fd\u6570\u548c getchar() \u51fd\u6570\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1f<\/strong>
    \nscanf_s() \u51fd\u6570\u548c getchar() \u51fd\u6570\u6709\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n

      \n
    • scanf_s() \u51fd\u6570\u5e38\u7528\u4e8e\u9700\u8981\u7528\u6237\u8f93\u5165\u591a\u4e2a\u6570\u636e\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u8f93\u5165\u5b66\u751f\u7684\u4fe1\u606f\uff0c\u8f93\u5165\u591a\u4e2a\u6570\u5b57\u8fdb\u884c\u8ba1\u7b97\u7b49\u3002\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u8bfb\u53d6\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff08\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3002<\/li>\n
    • getchar() \u51fd\u6570\u5e38\u7528\u4e8e\u9700\u8981\u4f9d\u6b21\u8bfb\u53d6\u8f93\u5165\u7684\u6bcf\u4e2a\u5b57\u7b26\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u8bfb\u53d6\u7528\u6237\u7684\u5bc6\u7801\uff0c\u9010\u5b57\u7b26\u5904\u7406\u8f93\u5165\u7684\u547d\u4ee4\u7b49\u3002<\/li>\n<\/ul>\n

      3. \u4e3a\u4ec0\u4e48\u5728\u4f7f\u7528 scanf_s() \u51fd\u6570\u65f6\u9700\u8981\u4f20\u9012\u989d\u5916\u7684\u53c2\u6570\uff1f<\/strong>
      \n\u5728\u4f7f\u7528 scanf_s() \u51fd\u6570\u65f6\uff0c\u9700\u8981\u4f20\u9012\u989d\u5916\u7684\u53c2\u6570\u6765\u786e\u4fdd\u8bfb\u53d6\u6570\u636e\u7684\u5b89\u5168\u6027\u3002\u8fd9\u662f\u7531\u4e8e scanf_s() \u51fd\u6570\u5728\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u65f6\uff0c\u4f1a\u68c0\u67e5\u8f93\u5165\u7684\u957f\u5ea6\u662f\u5426\u8d85\u8fc7\u4e86\u6307\u5b9a\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u4ece\u800c\u9632\u6b62\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n

      \u901a\u8fc7\u4f20\u9012\u989d\u5916\u7684\u53c2\u6570\uff0c\u5982\u7f13\u51b2\u533a\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u51fd\u6570\u5728\u8bfb\u53d6\u6570\u636e\u65f6\u4e0d\u4f1a\u8d85\u51fa\u6307\u5b9a\u7684\u8fb9\u754c\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u901a\u8fc7\u8f93\u5165\u7279\u6b8a\u5b57\u7b26\u5f15\u53d1\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528 scanf_s() \u51fd\u6570\u65f6\uff0c\u9700\u8981\u4f20\u9012\u989d\u5916\u7684\u53c2\u6570\u4ee5\u4fdd\u8bc1\u8bfb\u53d6\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"scanf_s()\u51fd\u6570\u548cgetchar()\u51fd\u6570\u4e3b\u8981\u4f53\u73b0\u5728\u5b83\u4eec\u7684\u7528\u9014\u3001\u529f\u80fd\u4ee5\u53ca\u8f93\u5165\u5904\u7406\u4e0a\u7684\u5dee\u5f02\u3002scanf_s( […]","protected":false},"author":3,"featured_media":306086,"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\/306076"}],"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=306076"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/306076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/306086"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=306076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=306076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=306076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}