{"id":885,"date":"2023-01-18T15:09:02","date_gmt":"2023-08-03T06:45:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%9c%a8c-c%e4%b8%ad%e4%bd%bf%e7%94%a8getch%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-03T15:18:30","modified_gmt":"2025-08-03T07:18:30","slug":"%e5%9c%a8c-c%e4%b8%ad%e4%bd%bf%e7%94%a8getch%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8c-c%e4%b8%ad%e4%bd%bf%e7%94%a8getch%e5%87%bd%e6%95%b0\/","title":{"rendered":"C\/C++ getch()\u51fd\u6570\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u5b9e\u4f8b\u4e0e\u8de8\u5e73\u53f0\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5728C\/C++\u7f16\u7a0b\u4e2d\u4f7f\u7528getch()\u51fd\u6570\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u3002<\/p>\n<p>\u5f53\u60a8\u9700\u8981\u4ece\u952e\u76d8\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\u8f93\u5165\u65f6\uff0cgetch()\u51fd\u6570\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u5de5\u5177\u3002<\/p>\n<p>\u867d\u7136getch()\u51fd\u6570\u4e0d\u662fC\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u5b83\u662f\u4e00\u4e2aPOSIX C\u51fd\u6570\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u5728Windows\u3001Linux\u548cMac\u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u51e0\u4e2a\u5177\u4f53\u793a\u4f8b\u6765\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n<hr \/>\n<h2>C\/C++\u4e2dgetch()\u51fd\u6570\u7684\u57fa\u672c\u8bed\u6cd5<\/h2>\n<p>getch()\u51fd\u6570\u4ece\u6807\u51c6\u8f93\u5165(stdin)\u4e2d\u83b7\u53d6\u4e00\u4e2a\u5355\u4e00\u5b57\u7b26\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u503c\u3002<\/p>\n<p>\u8be5\u51fd\u6570\u662fconio.h\u5934\u6587\u4ef6\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u6b64\u60a8\u5fc5\u987b\u5728\u7a0b\u5e8f\u4e2d\u5305\u542b\u6b64\u5934\u6587\u4ef6\u624d\u80fd\u4f7f\u7528\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;conio.h&gt;<\/span><\/span>\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">getch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u51fd\u6570\u4e0d\u63a5\u53d7\u4efb\u4f55\u53c2\u6570\u3002<\/p>\n<p>getch()\u51fd\u6570\u4f1a\u8fd4\u56de\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u7684\u5b57\u7b26\u7684ASCII\u503c\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u5c06\u5b57\u7b26&#8217;0&#8217;\u4f5c\u4e3a\u8f93\u5165\uff0c\u5b83\u4f1a\u8fd4\u56de\u5b57\u7b26&#8217;0&#8217;\u7684ASCII\u503c\uff0c\u537349\u3002<\/p>\n<p>\u5728C\/C++\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5c06\u5b57\u7b26\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u56e0\u6b64\uff0c\u8fdb\u884c\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u65f6\uff0cASCII\u503c49\u5c06\u88ab\u8f6c\u6362\u4e3a\u5b57\u7b26\u503c&#8217;0&#8217;\uff01<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e9b\u5b9e\u9645\u4f8b\u5b50\u6765\u4e86\u89e3getch()\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<hr \/>\n<h2>\u5728C\/C++\u4e2d\u4f7f\u7528getch()\u51fd\u6570-\u5b9e\u9645\u793a\u4f8b<\/h2>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;conio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token keyword\">char<\/span> ch <span class=\"token operator\">=<\/span> <span class=\"token function\">getch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u63a5\u6536\u5230\u7684\u8f93\u5165: %c\\n\"<\/span><span class=\"token punctuation\">,<\/span> ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u63a5\u6536\u5230\u7684\u8f93\u5165: a\r\n<\/code><\/pre>\n<p>\u5f53\u8f93\u5165\u5b57\u7b26&#8217;a&#8217;\u540e\uff0c\u7a0b\u5e8f\u4f1a\u663e\u793a\u4e0a\u8ff0\u8f93\u51fa\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u7b49\u5f85\u4ece\u952e\u76d8\u8f93\u51655\u4e2a\u5b57\u7b26\u7684\u7a0b\u5e8f\u793a\u4f8b\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cgetch()\u51fd\u6570\u4e0d\u4f1a\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u952e\u76d8\u8f93\u5165\u7684\u5185\u5bb9\u3002\u56e0\u6b64\uff0c\u5f53\u60a8\u8f93\u5165\u5b57\u7b26\u65f6\uff0c\u5149\u6807\u4f4d\u7f6e\u4e0d\u4f1a\u663e\u793a\u4efb\u4f55\u8f93\u5165\u5185\u5bb9\u3002<\/p>\n<p>\u5728\u6211\u4eec\u83b7\u53d6\u5230\u6240\u67095\u4e2a\u5b57\u7b26\u540e\uff0c\u7a0b\u5e8f\u5c06\u663e\u793a\u5b8c\u6574\u7684\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;conio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e op = {0, 0, 0, 0, 0, 0} = '\\0\\0\\0\\0\\0\\0' \u5b57\u7b26\u4e32<\/span>\r\n    <span class=\"token keyword\">char<\/span> op<span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n        op<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">getch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token punctuation\">}<\/span>\r\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u63a5\u6536\u5230\u76845\u4e2a\u5b57\u7b26\u8f93\u5165: %s\\n\"<\/span><span class=\"token punctuation\">,<\/span> op<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7a0b\u5e8f\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u63a5\u6536\u5230\u76845\u4e2a\u5b57\u7b26\u8f93\u5165: Hello\r\n<\/code><\/pre>\n<p>\u5f53\u8f93\u5165&#8221;Hello&#8221;\u65f6\uff0c\u7a0b\u5e8f\u786e\u5b9e\u6b63\u786e\u5730\u83b7\u53d6\u5e76\u663e\u793a\u4e86\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u8f93\u51fa\u5b57\u7b26\u4e32\u4e2d\u5b9e\u9645\u4e0a\u5305\u542b6\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\uff0c\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u4fdd\u7559\u4e00\u4e2a\u5b57\u8282\u7ed9\u5b57\u7b26\u4e32\u7ed3\u675f\u7b26&#8217;\\0&#8217;\u3002\u6240\u4ee5op\u6570\u7ec4\u5b9e\u9645\u5b58\u50a8\u7684\u662f&#8221;Hello\\0&#8243;\u3002<\/p>\n<hr \/>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u5b66\u4e60\u4e86\u5982\u4f55\u5728C\/C++\u7f16\u7a0b\u4e2d\u4f7f\u7528getch()\u51fd\u6570\u4ece\u952e\u76d8\u63a5\u6536\u5b57\u7b26\u8f93\u5165\uff0c\u5305\u62ec\u5176\u57fa\u672c\u8bed\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8eC\u548cC++\u7f16\u7a0b\u7684\u77e5\u8bc6\uff0c\u6b22\u8fce\u6d4f\u89c8\u6211\u4eec\u7684C\u7f16\u7a0b\u6559\u7a0b\u90e8\u5206\uff01<\/p>\n<h2>\u53c2\u8003\u8d44\u6599<\/h2>\n<ul class=\"post-ul\">\n<li>Linux\u7cfb\u7edf\u4e2d\u5173\u4e8eC\u8bed\u8a00getch()\u51fd\u6570\u7684\u624b\u518c\u9875\u9762<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5728C\/C++\u7f16\u7a0b\u4e2d\u4f7f\u7528getch()\u51fd\u6570\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u3002 \u5f53\u60a8\u9700\u8981\u4ece\u952e\u76d8\u8bfb\u53d6\u5355\u4e2a\u5b57\u7b26 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1447,1217,2299,2300,1786],"class_list":{"0":"post-885","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-c","9":"tag-getch","10":"tag-2300","11":"tag-1786"},"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>C\/C++ getch()\u51fd\u6570\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u5b9e\u4f8b\u4e0e\u8de8\u5e73\u53f0\u89e3\u51b3\u65b9\u6848 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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