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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                # 字符 char 類型在 std::cout cout里面默認就是字符類型 默認采用scii編碼 ### 例: char a {65}; std::cout << a; 輸出的是A,因為SCII編碼里65默認是A ![](https://img.kancloud.cn/f0/fa/f0faf26293e628b2c41ea8f9d3ab8d5a_1133x1644.jpg) ## 字符數據類型 | 類型 | 內存占用|說明 | char |1 |ascii字符 | wchar_t | 2 |寬字節字符 |char16_t | 2 | utf_16字符 | char32_t | 4 |utf_32字符 ## 用法 ``` wchar_t a {L'值'}; char16_t a {u'值'}; char32_t a {U'值'}; ```
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