iOS Null passed to a callee that

作者: NieFeng1024 | 来源:发表于2017-03-05 15:20 被阅读5次

[decompressed setData:nil]; //报错

Null passed to a callee that re quires a non-null aragument
不能给当前参数赋值一个空对象

正确做法：
[decompressed setData:@"".dataValue]; //修改之后

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