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ä½ç½®ï¼šé¦–页 > C++ å‚考手册 >输入/输出库 >std::ios_base > std::ios_base::seekdir
std::ios_base::seekdir
| typedef /*implementation defined*/ seekdir; |
||
| static constexpr seekdir beg = /*implementation defined*/ static constexpr seekdir end = /*implementation defined*/ |
||
指定文件寻ä½æ–¹å‘类型。定义下列常é‡ï¼š
| Â | |
| å¸¸é‡ | 解释 |
| beg | æµçš„开始 |
| end | æµçš„结尾 |
| cur | æµä½ç½®æŒ‡ç¤ºå™¨çš„当å‰ä½ç½® |
示例
| æœ¬èŠ‚æœªå®Œæˆ åŽŸå› ï¼šæš‚æ— ç¤ºä¾‹ |
å‚阅
| 设置输入ä½ç½®æŒ‡ç¤ºå™¨ ( std::basic_istream<CharT,Traits> 的公开æˆå‘˜å‡½æ•°) | |
| 设置输出ä½ç½®æŒ‡ç¤ºå™¨ ( std::basic_ostream<CharT,Traits> 的公开æˆå‘˜å‡½æ•°) | |
| 调用 seekoff() ( std::basic_streambuf<CharT,Traits> 的公开æˆå‘˜å‡½æ•°) |