{"id":1121,"date":"2022-10-23T23:42:55","date_gmt":"2022-10-23T15:42:55","guid":{"rendered":"https:\/\/www.lcettsg.cn\/code\/?p=1121"},"modified":"2022-10-24T00:26:58","modified_gmt":"2022-10-23T16:26:58","slug":"c%e8%af%ad%e8%a8%80%e8%bf%90%e7%ae%97%e7%ac%a6%e4%bc%98%e5%85%88%e7%ba%a7","status":"publish","type":"post","link":"https:\/\/www.lcettsg.cn\/code\/?p=1121","title":{"rendered":"C\u8bed\u8a00\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7"},"content":{"rendered":"\n

\u4e00\u4e2a\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u8fd0\u7b97\u7b26\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u51b3\u5b9a\u8868\u8fbe\u5f0f\u7684\u54ea\u90e8\u5206\u88ab\u5904\u7406\u4e3a\u6bcf\u4e2a\u8fd0\u7b97\u7b26\u7684\u64cd\u4f5c\u6570\u3002\u4f8b\u5982\uff0c\u6309\u7167\u8fd0\u7b97\u89c4\u5219\uff0c\u8868\u8fbe\u5f0f\u4e2d *\u3001\/\u3001\u4ee5\u53ca % \u7684\u4f18\u5148\u7ea7\u6bd4 + \u548c – \u9ad8\u3002\u5982\u4e0b\u5217\u8868\u8fbe\u5f0f\uff1a<\/p>\n\n\n\n

a \uff0d b * c\u76f8\u5f53\u4e8e a\uff0d\uff08b*c\uff09\u3002\u5982\u679c\u60f3\u8ba9\u64cd\u4f5c\u6570\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5219\u5fc5\u987b\u4f7f\u7528\u62ec\u53f7\uff1a<\/p>\n\n\n\n

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a\/b%c<\/th>\u4ece\u5de6\u5230\u53f3<\/td>\uff08a\/b\uff09%c<\/td><\/tr>
a=b=c<\/th>\u4ece\u53f3\u5230\u5de6<\/td>a=\uff08b=c\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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2<\/th>\u4e00\u5143\u8fd0\u7b97\u7b26\uff1a++\uff08\u524d\u7f00\uff09 \u00a0 \u00a0— \u00a0\u00a0<\/sub>\u00a0! \u00a0 \u00a0~ \u00a0 \u00a0+ \u00a0 \u00a0– \u00a0 \u00a0* \u00a0 \u00a0& \u00a0 \u00a0sizeof_Alignof<\/td>\u4ece\u53f3\u5230\u5de6<\/td><\/tr>
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4<\/th>\u4e58\u9664\u6cd5\u8fd0\u7b97\u7b26\uff1a*    \/    %<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
5<\/th>\u52a0\u51cf\u6cd5\u8fd0\u7b97\u7b26\uff1a+    –<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
6<\/th>\u79fb\u4f4d\u8fd0\u7b97\u7b26\uff1a<<    >><\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
7<\/th>\u5173\u7cfb\u8fd0\u7b97\u7b26\uff1a<<=    >>=<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
8<\/th>\u76f8\u7b49\u8fd0\u7b97\u7b26\uff1a==    !=<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
9<\/th>\u4f4d\u8fd0\u7b97\u7b26 AND\uff1a&<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
10<\/th>\u4f4d\u8fd0\u7b97\u7b26 XOR\uff1a^<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
11<\/th>\u4f4d\u8fd0\u7b97\u7b26 OR\uff1a|<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
12<\/th>\u903b\u8f91\u8fd0\u7b97\u7b26 AND\uff1a&&<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
13<\/th>\u903b\u8f91\u8fd0\u7b97\u7b26 OR\uff1a||<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr>
14<\/th>\u6761\u4ef6\u8fd0\u7b97\u7b26\uff1a?:<\/td>\u4ece\u53f3\u5230\u5de6<\/td><\/tr>
15<\/th>\u8d4b\u503c\u8fd0\u7b97\u7b26\uff1a
     =         +=        -=       *=       \/=      %=       &=       ^=      |=   
   <<=      >>=<\/td>		\u4ece\u53f3\u5230\u5de6<\/td><\/tr>
16<\/th>\u9017\u53f7\u8fd0\u7b97\u7b26\uff1a\uff0c<\/td>\u4ece\u5de6\u5230\u53f3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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+\u3001-\u3001* \u548c & \u8fd0\u7b97\u7b26\u8bb0\u53f7\u4e0d\u4f46\u53ef\u4ee5\u5f53\u4f5c\u4e00\u5143\u8fd0\u7b97\u7b26\uff08unary operator\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u64cd\u4f5c\u6570\uff09\uff0c\u4e5f\u53ef\u4ee5\u5f53\u4f5c\u4e8c\u5143\u8fd0\u7b97\u7b26\uff08binary operator\uff0c\u9700\u8981\u4e24\u4e2a\u64cd\u4f5c\u6570\uff09\u3002\u4f8b\u5982\uff0c* \u53ea\u6709\u4e00\u4e2a\u64cd\u4f5c\u6570\u7684\u65f6\u5019\uff0c\u5c31\u662f\u95f4\u63a5\u8fd0\u7b97\u7b26\uff08indirection operator\uff09\uff0c\u800c\u6709\u4e24\u4e2a\u64cd\u4f5c\u6570\u7684\u65f6\u5019\uff0c\u5c31\u662f\u4e58\u53f7\u3002<\/p>\n\n\n\n

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