//The maximum value range of hexadecimal is 0-f, that is, 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f Among them, should f be used for line breaks? /*
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无忌哥哥2018-07-09 09:26:03
Wouldn’t it be better to add a // in front of f? Of course, your method can also be used.