{"id":291,"date":"2023-01-05T20:25:37","date_gmt":"2023-01-05T12:25:37","guid":{"rendered":"https:\/\/9iwd.top\/?p=291"},"modified":"2023-01-10T10:58:12","modified_gmt":"2023-01-10T02:58:12","slug":"02-4-%e5%ad%97%e7%ac%a6%e5%9e%8b","status":"publish","type":"post","link":"http:\/\/9iwd.top\/?p=291","title":{"rendered":"02.4 C++\u5b57\u7b26\u578b"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\/\/ \u8f93\u51fa\u6d41\u5e93\r\nusing namespace std;\/\/\u4f7f\u7528\u6807\u51c6\u547d\u540d\u7a7a\u95f4\r\n\r\n\/\/\u8bfe\u7a0b\uff1a2.4 \u5b57\u7b26\u578b\r\n\/*\r\n\u4f5c\u7528\uff1a\u5b57\u7b26\u578b\u53d8\u91cf\u7528\u4e8e\u663e\u793a\u5355\u4e2a\u5b57\u7b26\r\n\u8bed\u6cd5\uff1a\u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d = '\u5355\u5b57\u7b26';\r\n\r\n\u6ce8\u610f1\uff1a\u5728\u663e\u793a\u5b57\u7b26\u578b\u53d8\u91cf\u65f6\uff0c\u7528\u5355\u5f15\u53f7\u5c06\u5b57\u7b26\u62ec\u8d77\u6765\uff0c\u4e0d\u8981\u7528\u53cc\u5f15\u53f7\r\n\u6ce8\u610f2\uff1a\u5355\u5f15\u53f7\u5185\u53ea\u80fd\u6709\u4e00\u4e2a\u5b57\u7b26\uff0c\u4e0d\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\r\n\r\nC\u548cC++\u4e2d\u5b57\u7b26\u578b\u53d8\u91cf\u53ea\u5360\u7528\u4e00\u4e2a\u5b57\u8282\r\n\u5b57\u7b26\u578b\u53d8\u91cf\u5e76\u4e0d\u662f\u628a\u5b57\u7b26\u672c\u8eab\u653e\u5230\u5185\u5b58\u4e2d\u50a8\u5b58\uff0c\u800c\u662f\u5c06\u5bf9\u5e94\u7684ASCII\u7f16\u7801\u653e\u5165\u5230\u5b58\u50a8\u5355\u5143\r\n*\/\r\n\r\n\r\nint main()\r\n{\r\n\t\/\/1\u3001\u5b57\u7b26\u578b\u53d8\u91cf\u521b\u5efa\u65b9\u5f0f\r\n\tchar ch = 'a';\r\n\tcout &lt;&lt;  ch &lt;&lt; endl;\r\n\r\n\t\/\/2\u3001\u67e5\u770b\u5b57\u7b26\u578b\u53d8\u91cf\u6240\u5360\u7528\u5185\u5b58\u5927\u5c0f\r\n\tcout &lt;&lt; \"char\u5b57\u7b26\u6240\u5360\u7528\u7a7a\u95f4\u4e3a\uff1a\" &lt;&lt; sizeof(ch) &lt;&lt; endl;\r\n\r\n\t\/\/3\u3001\u5b57\u7b26\u578b\u53d8\u91cf\u5e38\u89c1\u9519\u8bef\r\n\t\/\/char ch2 = \"a\";\/\/\u521b\u5efa\u5b57\u7b26\u578b\u53d8\u91cf\u65f6\u5019\uff0c\u8981\u7528\u5355\u5f15\u53f7\r\n\t\/\/char ch3 = 'abcdefg';\/\/\u521b\u5efa\u5b57\u7b26\u578b\u53d8\u91cf\u65f6\u5019\uff0c\u5355\u5f15\u53f7\u5185\u53ea\u80fd\u6709\u4e00\u4e2a\u5b57\u7b26\r\n\r\n\t\/\/4\u3001\u5b57\u7b26\u578b\u53d8\u91cf\u5bf9\u5e94\u7684ASCII\u7f16\u7801\r\n\t\/\/A - 65\r\n\t\/\/a - 97\r\n\tcout &lt;&lt; (int)ch &lt;&lt; endl;\/\/(int)\u662f\u67e5\u770b\u5bf9\u5e94\u7684\u5355\u5b57\u7b26ASCII\u7f16\u7801\r\n\t\r\n\tsystem(\"pause\");\/\/ \u63a7\u5236\u53f0\u6682\u505c\uff0c\u7b49\u5f85\u4e0b\u4e00\u6b65\u64cd\u4f5c\r\n\treturn 0;\/\/ \u7ed3\u675f\u8fd4\u56de\u503c\uff1a0\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"_links":{"self":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/291"}],"collection":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=291"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/291\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=291"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}