{"id":74735,"date":"2024-02-27T14:18:36","date_gmt":"2024-02-27T06:18:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=74735"},"modified":"2024-02-27T14:18:50","modified_gmt":"2024-02-27T06:18:50","slug":"c%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e6%9e%9a%e4%b8%be%e7%b1%bb%e5%9e%8b%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/74735.html","title":{"rendered":"C\u8bed\u8a00\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u8be6\u89e3"},"content":{"rendered":"

\"C\u8bed\u8a00\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u8be6\u89e3\"<\/p>\n

\u6587\u7ae0\u5f00\u5934\uff1a<\/p>\n

\u679a\u4e3e\u7c7b\u578b\u5728C\u8bed\u8a00\u4e2d\u662f\u975e\u5e38\u5e38\u89c1\u7684\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u521b\u5efa\u7b26\u5408\u7a0b\u5e8f\u9700\u6c42\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\u3002\u9996\u5148\uff0cC\u8bed\u8a00\u7684\u679a\u4e3e\u7c7b\u578b\u662f\u4e00\u79cd\u7528\u6237\u5b9a\u4e49\u7684\u7c7b\u578b\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u58f0\u660e\u5e76\u7ec4\u5408\u4e00\u7ec4\u5143\u7d20<\/strong>\u3002\u5176\u6b21\uff0c\u679a\u4e3e\u7c7b\u578b\u5728\u5b58\u50a8\u91cf\u548c\u6027\u80fd\u4e0a\u5177\u6709\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u4eec\u57fa\u4e8e\u6574\u578b\u5b58\u50a8\uff0c\u8017\u8d39\u7684\u5185\u5b58\u5c0f\u3001\u901f\u5ea6\u5feb\u3002\u518d\u8005\uff0c\u679a\u4e3e\u5bf9\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u4e5f\u6709\u7740\u975e\u5e38\u5927\u7684\u4fc3\u8fdb\u4f5c\u7528\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u66f4\u76f4\u89c2\u7684 understand \u548c control \u7a0b\u5e8f\u7684\u884c\u4e3a<\/strong>\u3002\u6700\u540e\uff0c\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\u8fd8\u80fd\u63d0\u5347\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u5b89\u5168\u6027\u3002\u6211\u4eec\u9996\u5148\u5c06\u8be6\u89e3C\u8bed\u8a00\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u662f\u5982\u4f55\u58f0\u660e\u548c\u7ec4\u5408\u4e00\u7ec4\u5143\u7d20\u7684\u3002<\/p>\n

\u6b63\u6587\uff1a<\/p>\n

\u4e00\u3001C\u8bed\u8a00\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u662f\u5982\u4f55\u58f0\u660e\u548c\u7ec4\u5408\u4e00\u7ec4\u5143\u7d20\u7684<\/strong><\/h2>\n

\u8981\u58f0\u660e\u4e00\u4e2a\u679a\u4e3e\u7c7b\u578b\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528keyword “enum”\uff0c\u4ee5\u5982\u4e0b\u65b9\u5f0f\uff1a<\/p>\n

enum week {Mon, Tue, Wed, Thu, Fri, Sat, Sun};<\/p>\n

\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u58f0\u660e\u4e86\u4e00\u4e2a”week”\u7684\u679a\u4e3e\u7c7b\u578b\uff0c\u8fd9\u4e2a\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u4e03\u79cd\u503c\uff1a”Mon”~”Sun”\u3002\u548c\u6570\u7ec4\u4e00\u6837\uff0c\u6bcf\u4e00\u4e2a\u679a\u4e3e\u5143\u7d20\u4e5f\u6709\u7740\u56fa\u5b9a\u7684\u4e0b\u6807\uff0c\u5b83\u4eec\u4ece0\u5f00\u59cb\uff0c\u6309\u7167\u5b9a\u4e49\u65f6\u7684\u987a\u5e8f\u9012\u589e\u3002\u4f46\u4e0d\u540c\u4e8e\u6570\u7ec4\uff0c\u679a\u4e3e\u5143\u7d20\u7684\u4e0b\u6807\u662f\u4e0d\u80fd\u4fee\u6539\u7684\u3002\u8fd9\u5bf9\u4e8e\u6211\u4eec\u7406\u89e3\u548c\u64cd\u4f5c\u679a\u4e3e\u7c7b\u578b\u6709\u7740\u5f88\u5927\u7684\u5e2e\u52a9\u3002<\/p>\n

\u800c\u58f0\u660e\u679a\u4e3e\u7c7b\u578b\u7684\u540c\u65f6\u8fd8\u4f1a\u8fdb\u884c\u4e00\u79cd\u9ed8\u8ba4\u7ec4\u5408\uff0c\u5c31\u662f\u4e3a\u6bcf\u4e2a\u5143\u7d20\u8d4b\u521d\u59cb\u503c\u3002\u6bd4\u5982\u4e0a\u8ff0\u7684\u4f8b\u5b50\uff0c\u679a\u4e3e\u5143\u7d20”Mon”\u7684\u503c\u5c31\u662f\u9ed8\u8ba4\u4e3a0\uff0c”Tue”\u7684\u503c\u5c31\u662f1\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u4f46\u5982\u679c\u6211\u4eec\u9700\u8981\u6539\u53d8\u8fd9\u79cd\u9ed8\u8ba4\u7ec4\u5408\u65b9\u5f0f\uff0c\u4e5f\u662f\u53ef\u4ee5\u7684\u3002\u53ea\u9700\u5728\u5b9a\u4e49\u65f6\u663e\u5f0f\u7684\u8fdb\u884c\u8d4b\u503c\u5373\u53ef\uff1a<\/p>\n

enum week {Mon = 1, Tue, Wed, Thu, Fri, Sat, Sun};<\/p>\n

\u8fd9\u6837\uff0c\u5143\u7d20”Mon”\u5c31\u88ab\u663e\u5f0f\u7684\u8d4b\u503c\u4e3a1\u4e86\uff0c\u800c\u5176\u4ed6\u5143\u7d20\u7684\u521d\u59cb\u503c\u4e5f\u4f1a\u76f8\u5e94\u7684\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n

\u4f46\u65e0\u8bba\u6211\u4eec\u5982\u4f55\u5b9a\u4e49\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u90fd\u662f\u4e00\u79cd\u65b0\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5c31\u548c”int”\uff0c”double”\u8fd9\u4e9b\u5185\u7f6e\u7c7b\u578b\u4e00\u6837\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u65b0\u7684\u6570\u636e\u7c7b\u578b\u58f0\u660e\u53d8\u91cf\uff0c\u540c\u65f6\u8d4b\u4e88\u8fd9\u4e9b\u53d8\u91cf\u5df2\u7ecf\u5b9a\u4e49\u597d\u7684\u5143\u7d20\u503c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e38\u5e38\u4f1a\u7528\u679a\u4e3e\u7c7b\u578b\u6765\u8868\u793a\u72b6\u6001\uff0c\u5982\u5f00\u5173\u72b6\u6001\uff0c\u53ef\u63cf\u8ff0\u4e3a\uff1a<\/p>\n

enum switch_status {SWITCH_OFF, SWITCH_ON};<\/p>\n

\u8fd9\u6837\uff0c\u4e00\u4e2a\u540d\u4e3astatus\u7684enum\u53d8\u91cf\u5c31\u53ef\u4ee5\u8868\u793a\u5f00\u5173\u7684\u72b6\u6001\u4e86\uff0c\u589e\u5f3a\u4e86\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u8be6\u89c1\u4ee5\u4e0b\u90e8\u5206\u3002<\/p>\n

\u4e8c\u3001\u679a\u4e3e\u7c7b\u578b\u5728\u5b58\u50a8\u91cf\u548c\u6027\u80fd\u4e0a\u7684\u4f18\u52bf<\/strong><\/h2>\n

\u679a\u4e3e\u7c7b\u578b\u7684\u6570\u636e\u5b58\u50a8\u57fa\u4e8e\u6574\u578b\uff0c\u6240\u4ee5\u5b83\u4eec\u65e0\u8bba\u5728\u5185\u5b58\u5360\u7528\u4e0a\uff0c\u8fd8\u662f\u5728\u5904\u7406\u901f\u5ea6\u4e0a\uff0c\u90fd\u6709\u7740\u5f88\u5927\u7684\u4f18\u52bf\u3002\u8fd9\u5bf9\u4e8e\u5185\u5b58\u7d27\u5f20\u6216\u5bf9\u5b9e\u65f6\u5904\u7406\u6709\u7740\u9ad8\u8981\u6c42\u7684\u573a\u666f\uff0c\u5982\u5d4c\u5165\u5f0f\u5f00\u53d1\uff0c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\uff0c\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\u58f0\u660e\u7684\u53d8\u91cf\u4e0d\u4ec5\u80fd\u6ee1\u8db3\u9700\u6c42\uff0c\u5728\u6027\u80fd\u4e0a\u4e5f\u80fd\u8fbe\u5230\u5f88\u597d\u7684\u5e73\u8861\u3002<\/p>\n

\u4e09\u3001\u679a\u4e3e\u7c7b\u578b\u5bf9\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u7684\u63d0\u5347<\/strong><\/h2>\n

\u679a\u4e3e\u7c7b\u578b\u5f80\u5f80\u7528\u6765\u8868\u793a\u67d0\u4e00\u96c6\u5408\u7684\u53ef\u80fd\u72b6\u6001\uff0c\u800c\u4e14\u8fd9\u4e9b\u72b6\u6001\u503c\u5f80\u5f80\u662f\u6709\u9650\u7684\u3001\u79bb\u6563\u7684\u3002\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6b63\u5728\u7f16\u5199\u4e00\u4e2a\u6e38\u620f\uff0c\u4f60\u53ef\u80fd\u6709\u4e00\u4e2a\u89d2\u8272\u72b6\u6001\u7684\u679a\u4e3e\uff1a<\/p>\n

enum character_state {STATE_IDLE, STATE_WALKING, STATE_JUMPING, STATE_DEAD};<\/p>\n

\u8fd9\u6837\uff0c\u89d2\u8272\u7684\u6bcf\u4e00\u79cd\u53ef\u80fd\u72b6\u6001\u90fd\u6709\u4e86\u660e\u786e\u7684\u8868\u793a\uff0c\u7a0b\u5e8f\u5458\u5728\u9605\u8bfb\u6216\u4fee\u6539\u4ee3\u7801\u65f6\uff0c\u80fd\u591f\u66f4\u5feb\u5730\u7406\u89e3\u4ee3\u7801\u7684\u542b\u4e49\u3002<\/p>\n

\u56db\u3001\u679a\u4e3e\u7c7b\u578b\u63d0\u5347\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u5b89\u5168\u6027<\/strong><\/h2>\n

\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u5b89\u5168\u6027\u3002\u6bd5\u7adf\uff0c\u6709\u4e86\u679a\u4e3e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u9650\u5236\u4e00\u4e2a\u53d8\u91cf\u7684\u53d6\u503c\u8303\u56f4\u3002\u8fd9\u4e0e\u76f4\u63a5\u4f7f\u7528\u6574\u578b\u6216\u5b57\u7b26\u578b\u53d8\u91cf\u76f8\u6bd4\uff0c\u5927\u5927\u51cf\u5c0f\u4e86\u56e0\u8bef\u64cd\u4f5c\u6216\u5176\u4ed6\u8bef\u5dee\u5e26\u6765\u7684\u98ce\u9669\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u679a\u4e3e\u7c7b\u578b\uff0c\u7528\u6765\u4ee3\u8868RGB\u989c\u8272\uff1a<\/p>\n

enum color {RED, GREEN, BLUE};<\/p>\n

\u8fd9\u6837\uff0c\u5982\u679c\u9519\u8bef\u5730\u8bd5\u56fe\u5c06\u4e00\u4e2a\u4e0d\u5408\u6cd5\u7684\u6570\u503c\u8d4b\u7ed9\u4e00\u4e2a\u989c\u8272\u53d8\u91cf\uff0c\u7f16\u8bd1\u5668\u5c31\u4f1a\u5728\u7f16\u8bd1\u65f6\u62a5\u544a\u9519\u8bef\uff0c\u9632\u6b62\u4e86\u6f5c\u5728\u7684\u95ee\u9898\u3002<\/p>\n

\u603b\u7ed3\uff0c\u679a\u4e3e\u7c7b\u578b\u5728C\u8bed\u8a00\u4e2d\u626e\u6f14\u4e86\u5f88\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u4e00\u79cd\u58f0\u660e\u548c\u7ec4\u5408\u4e00\u7ec4\u5143\u7d20\u7684\u65b0\u65b9\u5f0f\uff0c\u5e76\u4e14\u679a\u4e3e\u7c7b\u578b\u7684\u8fd0\u7528\u5bf9\u4e8e\u7a0b\u5e8f\u7684\u5b58\u50a8\u91cf\u3001\u6027\u80fd\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3001\u5065\u58ee\u6027\u548c\u5b89\u5168\u6027\u90fd\u6709\u5de8\u5927\u7684\u4fc3\u8fdb\u4f5c\u7528\u3002<\/p>\n

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

\u4ec0\u4e48\u662fC\u8bed\u8a00\u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\uff1f<\/strong><\/p>\n

\u679a\u4e3e\u7c7b\u578b\u662fC\u8bed\u8a00\u4e2d\u7528\u6765\u5b9a\u4e49\u4e00\u7ec4\u76f8\u5173\u5e38\u91cf\u7684\u4e00\u79cd\u6570\u636e\u7c7b\u578b\u3002\u901a\u8fc7\u679a\u4e3e\u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u4e00\u7ec4\u5e38\u91cf\u8d4b\u4e88\u6709\u610f\u4e49\u7684\u540d\u5b57\u3002<\/p>\n

\u5982\u4f55\u5b9a\u4e49\u548c\u4f7f\u7528\u679a\u4e3e\u7c7b\u578b\uff1f<\/strong><\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57`enum`\u6765\u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b\uff0c\u7136\u540e\u5728\u82b1\u62ec\u53f7\u5185\u5217\u51fa\u679a\u4e3e\u7684\u5e38\u91cf\u3002\u4f8b\u5982\uff1a`enum Weekday {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday};` \u8fd9\u6837\u6211\u4eec\u5c31\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u661f\u671f\u51e0\u7684\u679a\u4e3e\u7c7b\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e38\u91cf\u6765\u58f0\u660e\u53d8\u91cf\uff0c\u8d4b\u503c\uff0c\u5e76\u8fdb\u884c\u6bd4\u8f83\u64cd\u4f5c\u3002<\/p>\n

\u679a\u4e3e\u7c7b\u578b\u6709\u54ea\u4e9b\u7279\u70b9\uff1f<\/strong><\/p>\n

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