{"id":14,"date":"2005-12-22T19:36:00","date_gmt":"2005-12-22T23:36:00","guid":{"rendered":"http:\/\/www.cchsu.com\/arthur\/?p=14"},"modified":"2006-09-06T01:33:39","modified_gmt":"2006-09-06T05:33:39","slug":"%e9%9d%a2%e8%a9%a6%e6%ae%ba%e6%89%8b","status":"publish","type":"post","link":"http:\/\/www.cchsu.com\/arthur\/2005\/12\/22\/14\/","title":{"rendered":"\u9762\u8a66\u6bba\u624b"},"content":{"rendered":"<div>\u6bcf\u5e74\u7684\u5e74\u5e95\u662f\u8edf\u9ad4\u696d\u9762\u8a66\u7684\u9ad8\u5cf0\u671f\uff0c\u56e0\u70ba\u9019\u6bb5\u6642\u9593\u662f\u6211\u5011\u6700\u9592\u7684\u6642\u5019\u3002\u7522\u54c1\u70ba\u4e86\u8d95\u8036\u8a95\u5047\u671f\u65e9\u5c31\u505a\u597d\u4e0a\u67b6\u53bb\u8ce3\u4e86\uff0c\u9019\u610f\u5473\u8457\u4eba\u4e8b\u7d42\u65bc\u53ef\u4ee5\u8981\u9019\u4e9b\u5927\u723a\u5927\u5a18\u5011\u4f86\u5e6b\u5fd9\u4ed6\u5011\u9762\u8a66\u6240\u9700\u7684\u4eba\u624d\uff1b\u8981\u63db\u5de5\u4f5c\u7684\u4eba\u4e5f\u591a\u534a\u6703\u8d81\u9019\u6bb5\u6642\u9593\u8d95\u5feb\u627e\u65b0\u76ee\u6a19\uff0c\u9019\u6a23\u904e\u5b8c\u5e74\u5c31\u53ef\u4ee5\u76f4\u63a5\u6295\u5165\u4e0b\u4e00\u500b\u7522\u54c1\u7684\u958b\u767c\u5468\u671f\u3002<\/p>\n<p> \u4e0d\u624d\u5c0f\u5f1f\u6211\u8eab\u70ba\u8c6c\u6df1\u5de5\u7a0b\u5e2b (\u5c31\u662f\u7d50\u4e86\u5a5a\u6c92\u6709\u9322\u9577\u7684\u53c8\u4e0d\u5e25\u5bb6\u88e1\u9084\u6709\u55f7\u55f7\u5f85\u54fa\u7684\u5b30\u5152\u8981\u990a\u7684\u90a3\u4e00\u7a2e &#8230;) \u81ea\u7136\u9762\u8a66\u9019\u7a2e\u5403\u529b\u4e0d\u8a0e\u597d\u7684\u5de5\u4f5c\u5c31\u6703\u843d\u5728\u6211\u8eab\u4e0a\u4e86\u3002\u597d\u5427\uff0c\u70ba\u4f55\u9762\u8a66\u5403\u529b\u4e0d\u8a0e\u597d\u5462\uff1f\u56e0\u70ba\u5f88\u591a\u4f86\u9762\u8a66\u7684\u4eba\u771f\u4ed6\u8001\u5e2b\u7684\u6703\u62d7\uff0c\u660e\u660e\u662f\u932f\u7684\u4e5f\u8981\u786c\u62d7\u6210\u5c0d\u7684\uff0c\u8981\u4e0d\u662f\u807d\u7684\u662f\u82f1\u6587\uff0c\u6211\u4ee5\u70ba\u6211\u53c8\u56de\u5230\u65b0\u7af9\u4e86\u54a7 &#8230;<\/p>\n<p> \u57fa\u672c\u4e0a\u4f86\u627e\u5de5\u4f5c\u529f\u8ab2\u4e5f\u7a0d\u5fae\u505a\u4e00\u4e0b\u561b &#8230; \u4e0b\u9762\u7684\u984c\u76ee\uff0c\u60a8\u770b\u770b\u60a8\u80fd\u505a\u5e7e\u984c\uff1f<\/p>\n<p> 1. \u8acb\u7d66\u6211\u4ee5\u4e0b\u7a0b\u5f0f\u7684\u7d50\u679c <\/p>\n<pre>for (unsigned char i=0; i        printf(&quot;%d\\n&quot;, (int)i);<br \/> <\/pre>\n<p> 2. \u8acb\u7d66\u6211\u4e00\u500b\u51fd\u6578\uff0c\u8f38\u5165\u4e00\u500b DWORD\uff0c\u628a\u9019\u500b DWORD \u7684 high WORD \u548c low WORD \u4ea4\u63db\uff0c\u4f8b\u5982\u8f38\u5165 0x12345678 \u56de\u50b3\u503c\u5c31\u662f 0x56781234<\/p>\n<p> 3. \u8acb\u7d66\u6211\u4e00\u500b template \u51fd\u6578 min\uff0c\u5b83\u5fc5\u9808\u53ef\u4ee5\u8655\u7406 char, int, float, double \u548c char*\uff0c\u4f8b\u5982 <\/p>\n<pre>min(1, 2) = 1;<br \/> min(&quot;abc&quot;, &quot;def&quot;) = &quot;abc&quot;;<br \/> <\/pre>\n<p> \u8f38\u5165\u7684\u5169\u500b\u503c\u8207\u56de\u50b3\u503c\u7684\u578b\u5225\u662f\u76f8\u540c\u7684\u3002<\/p>\n<p> 4. sizeof(&quot;abc&quot;) = ? sizeof(char*) = ? \u53ef\u4ee5\u7528 sizeof \u4f86\u91cf\u5b57\u4e32\u7684\u9577\u5ea6\u55ce\uff1f<br \/> 5. \u4ec0\u9ebc\u662f virtual destructor\uff1f\u70ba\u4f55\u8981\u7528 virtual destructor\uff1f<\/p>\n<p> \u5230\u76ee\u524d\u70ba\u6b62\u5c1a\u672a\u9047\u904e\u4e94\u984c\u5168\u5c0d\u7684\uff0c\u5bb3\u6211\u63a5\u4e0b\u4f86\u7684\u4e94\u984c\u4e5f\u90fd\u4e0d\u7528\u554f\u4e86 &#8230; \u8acb\u53eb\u6211\u9762\u8a66\u6bba\u624b &#8230;<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6bcf\u5e74\u7684\u5e74\u5e95\u662f\u8edf\u9ad4\u696d\u9762\u8a66\u7684\u9ad8\u5cf0\u671f\uff0c\u56e0\u70ba\u9019\u6bb5\u6642\u9593\u662f\u6211\u5011\u6700\u9592\u7684\u6642\u5019\u3002\u7522\u54c1\u70ba\u4e86\u8d95\u8036\u8a95\u5047\u671f\u65e9\u5c31\u505a\u597d\u4e0a\u67b6\u53bb\u8ce3\u4e86\uff0c\u9019\u610f\u5473\u8457\u4eba\u4e8b\u7d42\u65bc\u53ef\u4ee5\u8981\u9019\u4e9b\u5927\u723a\u5927\u5a18\u5011\u4f86\u5e6b\u5fd9\u4ed6\u5011\u9762\u8a66\u6240\u9700\u7684\u4eba\u624d\uff1b\u8981\u63db\u5de5\u4f5c\u7684\u4eba\u4e5f\u591a\u534a\u6703\u8d81\u9019\u6bb5\u6642\u9593\u8d95\u5feb\u627e\u65b0\u76ee\u6a19\uff0c\u9019\u6a23\u904e\u5b8c\u5e74\u5c31\u53ef\u4ee5\u76f4\u63a5\u6295\u5165\u4e0b\u4e00\u500b\u7522\u54c1\u7684\u958b\u767c\u5468\u671f\u3002 \u4e0d\u624d\u5c0f\u5f1f\u6211\u8eab\u70ba\u8c6c\u6df1\u5de5\u7a0b\u5e2b (\u5c31\u662f\u7d50\u4e86\u5a5a\u6c92\u6709\u9322\u9577\u7684\u53c8\u4e0d\u5e25\u5bb6\u88e1\u9084\u6709\u55f7\u55f7\u5f85\u54fa\u7684\u5b30\u5152\u8981\u990a\u7684\u90a3\u4e00\u7a2e &#8230;) \u81ea\u7136\u9762\u8a66\u9019\u7a2e\u5403\u529b\u4e0d\u8a0e\u597d\u7684\u5de5\u4f5c\u5c31\u6703\u843d\u5728\u6211\u8eab\u4e0a\u4e86\u3002\u597d\u5427\uff0c\u70ba\u4f55\u9762\u8a66\u5403\u529b\u4e0d\u8a0e\u597d\u5462\uff1f\u56e0\u70ba\u5f88\u591a\u4f86\u9762\u8a66\u7684\u4eba\u771f\u4ed6\u8001\u5e2b\u7684\u6703\u62d7\uff0c\u660e\u660e\u662f\u932f\u7684\u4e5f\u8981\u786c\u62d7\u6210\u5c0d\u7684\uff0c\u8981\u4e0d\u662f\u807d\u7684\u662f\u82f1\u6587\uff0c\u6211\u4ee5\u70ba\u6211\u53c8\u56de\u5230\u65b0\u7af9\u4e86\u54a7 &#8230; \u57fa\u672c\u4e0a\u4f86\u627e\u5de5\u4f5c\u529f\u8ab2\u4e5f\u7a0d\u5fae\u505a\u4e00\u4e0b\u561b &#8230; \u4e0b\u9762\u7684\u984c\u76ee\uff0c\u60a8\u770b\u770b\u60a8\u80fd\u505a\u5e7e\u984c\uff1f 1. \u8acb\u7d66\u6211\u4ee5\u4e0b\u7a0b\u5f0f\u7684\u7d50\u679c for (unsigned char i=0; i printf(&quot;%d\\n&quot;, (int)i); 2. \u8acb\u7d66\u6211\u4e00\u500b\u51fd\u6578\uff0c\u8f38\u5165\u4e00\u500b DWORD\uff0c\u628a\u9019\u500b DWORD \u7684 high WORD \u548c low WORD \u4ea4\u63db\uff0c\u4f8b\u5982\u8f38\u5165 0x12345678 \u56de\u50b3\u503c\u5c31\u662f 0x56781234 3. \u8acb\u7d66\u6211\u4e00\u500b template \u51fd\u6578 min\uff0c\u5b83\u5fc5\u9808\u53ef\u4ee5\u8655\u7406 char, int, float, double \u548c char*\uff0c\u4f8b\u5982 min(1, 2) = 1; min(&quot;abc&quot;, &quot;def&quot;) = &quot;abc&quot;; \u8f38\u5165\u7684\u5169\u500b\u503c\u8207\u56de\u50b3\u503c\u7684\u578b\u5225\u662f\u76f8\u540c\u7684\u3002 4. sizeof(&quot;abc&quot;) = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,5],"tags":[],"_links":{"self":[{"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/posts\/14"}],"collection":[{"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/comments?post=14"}],"version-history":[{"count":0,"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/posts\/14\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/media?parent=14"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/categories?post=14"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cchsu.com\/arthur\/wp-json\/wp\/v2\/tags?post=14"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}