// 正确输出_df string ss = ostr2.str(); const char *buffer = ss.c_str(); cout << buffer << endl; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36....
cout<< ostr2.str() <<endl;//输出随机内存值,危险constchar* buf =ostr2.str().c_str(); cout<< buf <<endl;//正确输出_dfstringss =ostr2.str();constchar*buffer =ss.c_str(); cout<< buffer <<endl; } 运行结果如下: 转自:http://blog.csdn.net/lanxuezaipiao/article/details/16358159...
std::string ss = oss.str(); const char * szData2 = ss.c_str(); 例子: 用std::ostringstream获取整个文件的内容: ifstream ifs( " in.txt " ); istream_iterator < char > inpos(ifs); istream_iterator < char > endpos; ostream_iterator < char > out (oss); std::copy(inpos, endp...
time_t t = time(0);//产生"YYYY-MM-DDhh:mm:ss"格式的字符串。char s[32];strftime(s, sizeof(s), "%Y-%m-%d %H:%M:%S", localtime(&t));sprintf 在MFC 中也能找到他的知音:CString::Format,strftime 在MFC 中自然也有她的同道:CTime::Format,这一对由于从面向对象哪里得到了赞助,用以写出的...
string&ss=oss.str(); constchar*szData2=ss.c_str(); 例子: 用std::ostringstream获取整个文件的内容: ifstream ifs("in.txt"); istream_iterator<char>inpos(ifs); istream_iterator<char>endpos; ostream_iterator<char>out(oss); std::copy(inpos, endpos,out); ...
因为_df所用空间小于gggghh,导致读取脏数据 ostr2.str("_df"); cout << ostr2.str() << endl; // 输出随机内存值,危险 const char* buf = ostr2.str().c_str(); cout << buf << endl; // 正确输出_df string ss = ostr2.str(); const char *buffer = ss.c_str(); cout << ...
basic_streambuf basic_filebuf basic_stringbuf basic_spanbuf (C++23) strstreambuf (C++98/26*) basic_syncbuf (C++20) Streams Abstractions ios_base basic_ios basic_istream basic_ostream basic_iostream File I/O basic_ifstream basic_ofstream ...
std::ostringstr eam ss( void ); change it to std::ostringstr eam ss; Rob. -- http://www.victim-prime.dsl.pipex.com/ Eric Boutin #3 Jul 22 '05, 03:55 AM Re: [C++] strange problem with std::ostringstr eam This is a normal behavior or a behavior from a crappy compiler ...
std::ostream& operator<<(std::ostream& stream, __int64 data) { char buf[255] = {0};...
cout<< buf <<endl;//正确输出_dfstringss =ostr2.str();constchar*buffer =ss.c_str(); cout<< buffer <<endl; } 运行结果如下: 转自:http://blog.csdn.net/lanxuezaipiao/article/details/16358159