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17 i i i CGRect frame CGRectZero frame.. i frame.. i i self.... frame. CGSizeMake UIButton btn UIButton buttonWithTypeUIButtonTypeCustom btn. frame btn setTitle@i stringValue forStateUIControlStateNormal btn. UIColor lightGrayColor self. addSubviewbtn self.. CGSizeMakeself.... 原文链接：https://www.f2er.com/note/422699.html
