unsigned char data[4]={0xFA,0xDB,0x02,0xcc};
char result[2*4+1]={0};
for(int i=0; i<sizeof(data)/sizeof(data[0]); i++)
{
sprintf(result+2*i,"%02X",data[i]); // %X结果为大写,%x结果为小写
}
cout<<result<<endl;
res:
FADB02CC
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unsigned char data[4]={0xFA,0xDB,0x02,0xcc};
char result[2*4+1]={0};
for(int i=0; i<sizeof(data)/sizeof(data[0]); i++)
{
sprintf(result+2*i,"%02X",data[i]); // %X结果为大写,%x结果为小写
}
cout<<result<<endl;
res:
FADB02CC
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