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(1306)
评论(0)
推荐(0)
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(985)
评论(0)
推荐(0)
浙公网安备 33010602011771号