![\"C\u8bed\u8a00\u4e2d\u5982\u4f55\u58f0\u660e\u53d8\u91cf\"](\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/02\/img-rDX6c8DwHYSEHTSh0ob4xZsc.png?x-oss-process=image\/auto-orient,1\/format,webp\")
<\/p>\n<\/p>\n
\u5728C\u8bed\u8a00\u4e2d\u58f0\u660e\u53d8\u91cf\u9700\u8981\u9075\u5faa\u7279\u5b9a\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u8fd9\u4e9b\u89c4\u5219\u5305\u62ec\u6307\u660e\u53d8\u91cf\u7c7b\u578b\u3001\u5b9a\u4e49\u53d8\u91cf\u540d\u548c\uff08\u53ef\u9009\u5730\uff09\u521d\u59cb\u5316\u53d8\u91cf<\/strong>\u3002\u9996\u5148\uff0c\u4f60\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982`int`\u7528\u4e8e\u6574\u6570\u3001`float`\u7528\u4e8e\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3001`double`\u7528\u4e8e\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u7b49\u3002\u63a5\u7740\uff0c\u7ed9\u53d8\u91cf\u6307\u5b9a\u4e00\u4e2a\u7b26\u5408C\u8bed\u8a00\u547d\u540d\u89c4\u5219\u7684\u540d\u5b57\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u9009\u62e9\u7acb\u5373\u7ed9\u53d8\u91cf\u8d4b\u4e00\u4e2a\u521d\u59cb\u503c\uff0c\u8fd9\u4e2a\u6b65\u9aa4\u4e0d\u662f\u5fc5\u987b\u7684\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u5b89\u5168\u6027\u548c\u53ef\u8bfb\u6027\u3002\u58f0\u660e\u53d8\u91cf\u7684\u57fa\u672c\u8bed\u6cd5<\/strong>\u4e3a`\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d;`\u3002\u4f8b\u5982\uff0c`int count;`\u5c31\u58f0\u660e\u4e86\u4e00\u4e2a\u540d\u4e3a`count`\u7684\u6574\u6570\u53d8\u91cf\u3002<\/p>\n \u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a<\/p>\n \u53d8\u91cf\u7684\u521d\u59cb\u5316\u5728\u58f0\u660e\u65f6\u8fdb\u884c\uff0c\u53ef\u4ee5\u9632\u6b62\u672a\u5b9a\u4e49\u7684\u884c\u4e3a\u548c\u968f\u673a\u503c\u3002\u521d\u59cb\u5316\u662f\u8d4b\u4e88\u53d8\u91cf\u4e00\u4e2a\u521d\u59cb\u503c\u7684\u8fc7\u7a0b\uff0c\u8fd9\u4e2a\u503c\u53ef\u4ee5\u5728\u58f0\u660e\u65f6\u6307\u5b9a\u3002\u4f8b\u5982\uff1a`int num = 10;`\u4e0d\u4ec5\u58f0\u660e\u4e86\u4e00\u4e2a\u540d\u4e3a`num`\u7684\u6574\u6570\u7c7b\u578b\u53d8\u91cf\uff0c\u8fd8\u521d\u59cb\u5316\u5b83\u4e3a10\u3002\u5728\u6ca1\u6709\u521d\u59cb\u5316\u7684\u60c5\u51b5\u4e0b\uff0c\u9759\u6001\u548c\u5168\u5c40\u53d8\u91cf\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u4e3a0\uff0c\u800c\u5c40\u90e8\u53d8\u91cf\u5219\u4f1a\u5305\u542b\u5783\u573e\u503c\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u524d\uff0c\u786e\u4fdd\u5b83\u4eec\u5df2\u7ecf\u88ab\u6b63\u786e\u521d\u59cb\u5316\u3002<\/p>\n \u4e00\u3001C\u8bed\u8a00\u4e2d\u7684\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n C\u8bed\u8a00\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u7c7b\u578b\u6765\u5904\u7406\u4e0d\u540c\u7684\u6570\u636e\u9879\u3002\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5305\u62ec\u6574\u6570\u7c7b\u578b\uff08\u5982`int`\u3001`short`\u3001`long`\uff09\u3001\u6d6e\u70b9\u7c7b\u578b\uff08\u5982`float`\u3001`double`\uff09\u3001\u5b57\u7b26\u7c7b\u578b\uff08`char`\uff09\u7b49\u3002\u9664\u4e86\u8fd9\u4e9b\u57fa\u7840\u7c7b\u578b\uff0cC\u8bed\u8a00\u8fd8\u652f\u6301\u6570\u7ec4\u3001\u7ed3\u6784\u3001\u5171\u7528\u4f53\u3001\u6307\u9488\u7b49\u590d\u5408\u6570\u636e\u7c7b\u578b\u7684\u53d8\u91cf\u58f0\u660e\u3002<\/p>\n \u6574\u6570\u7c7b\u578b\u53d8\u91cf<\/strong><\/p>\n \u58f0\u660e\u6574\u6570\u7c7b\u578b\u53d8\u91cf\u901a\u5e38\u7528\u4e8e\u5b58\u653e\u6574\u6570\u503c\uff0c\u6bd4\u5982\u5e74\u9f84\u3001\u6570\u91cf\u7b49\u3002\u8fd9\u4e9b\u7c7b\u578b\u5305\u62ec`int`\u3001`short int`\u3001`long int`\uff0c\u4ee5\u53ca\u4ed6\u4eec\u7684\u65e0\u7b26\u53f7\u7248\u672c\u3002\u4f8b\u5982\uff1a<\/p>\n “`c<\/p>\n int age;<\/p>\n short int distance;<\/p>\n long int population;<\/p>\n unsigned int flags;<\/p>\n “`<\/p>\n \u6d6e\u70b9\u7c7b\u578b\u53d8\u91cf<\/strong><\/p>\n \u6d6e\u70b9\u7c7b\u578b\u53d8\u91cf\u7528\u4e8e\u5b58\u50a8\u6709\u5c0f\u6570\u70b9\u7684\u6570\u5b57\uff0c\u5e38\u7528\u4e8e\u8868\u793a\u8d27\u5e01\u3001\u91cd\u91cf\u3001\u8ddd\u79bb\u7b49\u7cbe\u786e\u503c\u3002\u8fd9\u4e9b\u7c7b\u578b\u5305\u62ec`float`\u548c`double`\u3002\u4f8b\u5982\uff1a<\/p>\n “`c<\/p>\n float price;<\/p>\n double precisionValue;<\/p>\n “`<\/p>\n \u4e8c\u3001\u53d8\u91cf\u547d\u540d\u89c4\u5219<\/strong><\/p>\n \u547d\u540d\u53d8\u91cf\u65f6\uff0c\u5fc5\u987b\u9075\u5faa\u4e00\u7cfb\u5217\u89c4\u5219\u548c\u7ea6\u5b9a\u3002\u53d8\u91cf\u540d\u53ef\u4ee5\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u4e0b\u5212\u7ebf\uff0c\u4f46\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934\u3002\u6b64\u5916\uff0c\u53d8\u91cf\u540d\u4e0d\u80fd\u4f7f\u7528C\u8bed\u8a00\u7684\u4fdd\u7559\u5b57\u4f5c\u4e3a\u540d\u79f0\u3002<\/p>\n \u6709\u6548\u7684\u547d\u540d\u5b9e\u4f8b<\/strong><\/p>\n “`<\/p>\n int index;<\/p>\n float salary;<\/p>\n char firstLetter;<\/p>\n “`<\/p>\n \u65e0\u6548\u7684\u547d\u540d\u5b9e\u4f8b<\/strong><\/p>\n \u5f53\u53d8\u91cf\u540d\u4e0d\u9075\u5faa\u89c4\u5219\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u62d2\u7edd\u63a5\u53d7\u8be5\u53d8\u91cf\u58f0\u660e\u3002\u6bd4\u5982\uff1a<\/p>\n “`<\/p>\n int 1stPosition; \/\/ \u65e0\u6548\uff0c\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934<\/p>\n float total% ; \/\/ \u65e0\u6548\uff0c\u5305\u542b\u975e\u6cd5\u5b57\u7b26<\/p>\n “`<\/p>\n \u4e09\u3001\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u548c\u751f\u547d\u5468\u671f<\/strong><\/p>\n \u53d8\u91cf\u7684\u4f5c\u7528\u57df\u662f\u7a0b\u5e8f\u4e2d\u4f60\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e2a\u53d8\u91cf\u7684\u533a\u57df\u3002C\u8bed\u8a00\u4e2d\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u51b3\u5b9a\u4e86\u5b83\u5b58\u6d3b\u7684\u65f6\u95f4\u3002<\/p>\n \u5c40\u90e8\u53d8\u91cf<\/strong><\/p>\n \u5c40\u90e8\u53d8\u91cf\u662f\u5728\u51fd\u6570\u5185\u90e8\u58f0\u660e\u7684\uff0c\u53ea\u80fd\u5728\u8be5\u51fd\u6570\u5185\u90e8\u8bbf\u95ee\u3002\u5b83\u4eec\u7684\u751f\u547d\u5468\u671f\u4ec5\u9650\u4e8e\u51fd\u6570\u7684\u6267\u884c\u671f\u95f4\u3002<\/p>\n “`<\/p>\n void function() {<\/p>\n int localVar = 5; \/\/ \u5c40\u90e8\u53d8\u91cf<\/p>\n \/\/ …<\/p>\n }<\/p>\n “`<\/p>\n \u5168\u5c40\u53d8\u91cf<\/strong><\/p>\n \u5168\u5c40\u53d8\u91cf\u662f\u5728\u51fd\u6570\u5916\u90e8\u58f0\u660e\u7684\uff0c\u5b83\u4eec\u53ef\u4ee5\u5728\u7a0b\u5e8f\u7684\u4efb\u4f55\u5730\u65b9\u88ab\u8bbf\u95ee\u3002\u5168\u5c40\u53d8\u91cf\u7684\u751f\u547d\u5468\u671f\u8d2f\u7a7f\u6574\u4e2a\u7a0b\u5e8f\u3002<\/p>\n “`<\/p>\n int globalVar; \/\/ \u5168\u5c40\u53d8\u91cf<\/p>\n void function() {<\/p>\n globalVar = 5;<\/p>\n \/\/ …<\/p>\n }<\/p>\n “`<\/p>\n \u56db\u3001\u53d8\u91cf\u521d\u59cb\u5316<\/strong><\/p>\n \u53d8\u91cf\u7684\u521d\u59cb\u5316\u662f\u6307\u5728\u58f0\u660e\u53d8\u91cf\u65f6\u7ed9\u5b83\u8d4b\u4e00\u4e2a\u521d\u59cb\u503c\u3002\u8fd9\u662f\u4e00\u4e2a\u826f\u597d\u7684\u7f16\u7a0b\u5b9e\u8df5\uff0c\u56e0\u4e3a\u5b83\u907f\u514d\u4e86\u5728\u53d8\u91cf\u88ab\u4f7f\u7528\u524d\u542b\u6709\u968f\u673a\u503c\u3002<\/p>\n \u663e\u5f0f\u521d\u59cb\u5316<\/strong><\/p>\n \u4f60\u53ef\u4ee5\u5728\u58f0\u660e\u53d8\u91cf\u65f6\u7acb\u5373\u7ed9\u5b83\u4e00\u4e2a\u503c\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5f53\u5b83\u88ab\u4f7f\u7528\u65f6\u5df2\u7ecf\u6709\u4e00\u4e2a\u5df2\u77e5\u7684\u503c\u3002<\/p>\n “`<\/p>\n int num = 10;<\/p>\n float amount = 99.99;<\/p>\n char grade = ‘A’;<\/p>\n “`<\/p>\n \u9690\u5f0f\u521d\u59cb\u5316<\/strong><\/p>\n \u5982\u679c\u4e0d\u663e\u5f0f\u5730\u521d\u59cb\u5316\u53d8\u91cf\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53d8\u91cf\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u3002\u5168\u5c40\u548c\u9759\u6001\u53d8\u91cf\u4f1a\u88ab\u521d\u59cb\u5316\u4e3a0\uff0c\u800c\u5c40\u90e8\u53d8\u91cf\u4e0d\u4f1a\u88ab\u81ea\u52a8\u521d\u59cb\u5316\u3002<\/p>\n “`<\/p>\n int globalNum; \/\/ \u5728\u5168\u5c40\u8303\u56f4\u88ab\u9690\u5f0f\u521d\u59cb\u5316\u4e3a0<\/p>\n “`<\/p>\n \u603b\u7ed3\u6765\u8bf4\uff0cC\u8bed\u8a00\u7684\u53d8\u91cf\u58f0\u660e\u662f\u5176\u6838\u5fc3\u7279\u6027\u4e4b\u4e00\uff0c\u638c\u63e1\u6b63\u786e\u7684\u58f0\u660e\u548c\u521d\u59cb\u5316\u6280\u672f\u5bf9\u4e8e\u7f16\u5199\u9ad8\u8d28\u91cf\u7684C\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u6b63\u786e\u4f7f\u7528\u53d8\u91cf\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u4ee3\u7801\u65e2\u9ad8\u6548\u53c8\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n \u5982\u4f55\u5728C\u8bed\u8a00\u4e2d\u6b63\u786e\u58f0\u660e\u53d8\u91cf\uff1f<\/strong><\/p>\n \u5728C\u8bed\u8a00\u4e2d\uff0c\u53d8\u91cf\u7684\u58f0\u660e\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a\u9996\u5148\u6307\u5b9a\u53d8\u91cf\u7684\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982int\u3001float\u3001char\u7b49\uff09\uff0c\u7136\u540e\u5199\u4e0a\u53d8\u91cf\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u8981\u58f0\u660e\u4e00\u4e2a\u6574\u578b\u53d8\u91cf\uff0c\u53ef\u4ee5\u5199\u6210“`int a;“`\u3002\u5982\u679c\u8981\u540c\u65f6\u58f0\u660e\u591a\u4e2a\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u9017\u53f7\u9694\u5f00\uff0c\u5982“`int a, b, c;“`\u3002\u53d8\u91cf\u58f0\u660e\u8fd8\u53ef\u4ee5\u5305\u62ec\u8d4b\u521d\u503c\uff0c\u4f8b\u5982“`int x = 10;“`\u3002\u5728\u51fd\u6570\u5185\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u79f0\u4e3a\u5c40\u90e8\u53d8\u91cf\uff0c\u800c\u5728\u51fd\u6570\u5916\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u79f0\u4e3a\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n C\u8bed\u8a00\u4e2d\u53d8\u91cf\u58f0\u660e\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n \u53d8\u91cf\u58f0\u660e\u5728C\u8bed\u8a00\u4e2d\u7684\u4f5c\u7528\u662f\u544a\u8bc9\u7f16\u8bd1\u5668\u5982\u4f55\u5206\u914d\u5185\u5b58\u7a7a\u95f4\u4ee5\u5b58\u50a8\u6570\u636e\uff0c\u5e76\u786e\u5b9a\u53d8\u91cf\u7684\u6570\u636e\u7c7b\u578b\u3002\u901a\u8fc7\u58f0\u660e\u53d8\u91cf\uff0c\u7a0b\u5e8f\u80fd\u591f\u51c6\u786e\u5730\u77e5\u9053\u6bcf\u4e2a\u53d8\u91cf\u9700\u8981\u591a\u5c11\u5185\u5b58\uff0c\u4ee5\u4fbf\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u8fdb\u884c\u5408\u9002\u7684\u5185\u5b58\u5206\u914d\u3002\u6b64\u5916\uff0c\u53d8\u91cf\u58f0\u660e\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\uff0c\u8ba9\u5176\u4ed6\u7a0b\u5e8f\u5458\u66f4\u5bb9\u6613\u7406\u89e3\u4ee3\u7801\u7684\u542b\u4e49\u3002<\/p>\n \u5728C\u8bed\u8a00\u4e2d\uff0c\u53d8\u91cf\u58f0\u660e\u6709\u54ea\u4e9b\u89c4\u5219\u9700\u8981\u9075\u5b88\uff1f<\/strong><\/p>\n \u5728C\u8bed\u8a00\u4e2d\uff0c\u53d8\u91cf\u58f0\u660e\u9700\u8981\u9075\u5b88\u4e00\u4e9b\u89c4\u5219\uff0c\u5305\u62ec\uff1a\u53d8\u91cf\u540d\u5fc5\u987b\u4ee5\u5b57\u6bcd\u6216\u4e0b\u5212\u7ebf\u5f00\u5934\uff0c\u53ef\u4ee5\u5305\u542b\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u4e0b\u5212\u7ebf\uff1b\u53d8\u91cf\u540d\u533a\u5206\u5927\u5c0f\u5199\uff1b\u53d8\u91cf\u540d\u4e0d\u80fd\u4e0eC\u8bed\u8a00\u7684\u5173\u952e\u5b57\u91cd\u540d\uff1b\u53d8\u91cf\u540d\u5e94\u5177\u6709\u63cf\u8ff0\u6027\uff0c\u80fd\u6e05\u6670\u8868\u8fbe\u53d8\u91cf\u7528\u9014\uff1b\u53d8\u91cf\u58f0\u660e\u9700\u8981\u4ee5\u5206\u53f7\u7ed3\u5c3e\u3002\u53e6\u5916\uff0c\u907f\u514d\u58f0\u660e\u91cd\u590d\u7684\u53d8\u91cf\u540d\u4ee5\u53ca\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u5355\u4e2a\u5b57\u6bcd\u4f5c\u4e3a\u53d8\u91cf\u540d\u4e5f\u662f\u826f\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728C\u8bed\u8a00\u4e2d\u58f0\u660e\u53d8\u91cf\u9700\u8981\u9075\u5faa\u7279\u5b9a\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u8fd9\u4e9b\u89c4\u5219\u5305\u62ec\u6307\u660e\u53d8\u91cf\u7c7b\u578b\u3001\u5b9a\u4e49\u53d8\u91cf\u540d\u548c\uff08\u53ef\u9009\u5730\uff09\u521d\u59cb\u5316\u53d8\u91cf\u3002\u9996\u5148\uff0c\u4f60 […]","protected":false},"author":1,"featured_media":74568,"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\/74565"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=74565"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/74565\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/74568"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=74565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=74565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=74565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n