uibutton 设置圆角边框

[m_selectUserBtr.layer setMasksToBounds:YES]; [m_selectUserBtr.layer setCornerRadius:3]; //设置矩形四个圆角半径 [m_selectUserBtr.layer setBorderWidth:1.0]; //边框宽度 UIColor *ccc = [UIColor colorWithRed:1.00 green:1.00 blue:1.00 alpha:.35]; CGColorRef colorref = [ccc CGColor]; [m_selectUserBtr.layer setBorderColor:colorref];//边框颜色