本文共 548 字,大约阅读时间需要 1 分钟。
#include#include using namespace std;string bufToHexStr(const char *pBuf, int bufLen){ if(NULL == pBuf || bufLen < 0) { return ""; } int i = 0; string sRet = ""; for(i = 0; i < bufLen; i++) { char szTmp[3] = {0}; sprintf(szTmp, "%02x", (unsigned char)pBuf[i]); // 这里要用unsigned char啊啊啊 sRet += szTmp; } return sRet;}int main(){ int a = 0x12345678; string s((const char*)&a, sizeof(int)); cout << s << endl; cout << "------" << endl; cout << bufToHexStr(s.c_str(), s.size()) << endl; return 0;}
结果:
xV4
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