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ios uiButton中rgB怎么用

1.在IOS程序中设置UIButton的字体大小: btn.frame = CGRectMake(x, y, width, height); [btn setTitle: @"search" forState: UIControlStateNormal]; //设置按钮上的自体的大小 //[btn setFont: [UIFont systemFontSize: 14.0]]; //这种可以用...

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