To ask why is this?

Combined with the (tmpArray. At (3)==0 XCF) warned

(tmpArray. At (3)==0 x01) there is no warning,

CodePudding user response:

Answer: https://www.cnblogs.com/citrus/p/12965339.html

If you need to compare with array. At (0)=='\ XFF', said instead of an array. At (0)==0 XFF.