unsigned long val = 0; char a = 0x48; char b = 0x52; val = b $amp;<amp;$lt; 8 | a; //这里如何理解 ?
5 阅读
unsigned long val = 0; char a = 0x48; char b = 0x52; val = b $amp;<amp;$lt; 8 | a; //这里如何理解 ?
请帮忙给出正确答案和分析,谢谢!