摘要： char* pData = "hello world"; char buf[3]; std::string result = ""; for (int i = 0;i < length; i++) { sprintf(buf, "%02x", pData[i]); result += buf; } 阅读全文

摘要： c++ 1 #include <locale.h> 2 #include <time.h> 3 4 // 获取当天0时的时间戳 5 unsigned int getStartTime() 6 { 7 time_t t = time(NULL); 8 struct tm* tm = localtime 阅读全文