摘要: ``` string substr (size_t pos = 0, size_t len = npos) const; ``` 阅读全文
posted @ 2019-07-24 10:15 JohnRed 阅读(1294) 评论(0) 推荐(0) 编辑
摘要: ``` size_t copy (char* s, size_t len, size_t pos = 0) const; ``` 阅读全文
posted @ 2019-07-24 10:14 JohnRed 阅读(959) 评论(0) 推荐(0) 编辑