iOS基于 UILabel实现文字添加描边功能 可以达到文字描一圈黑边的效果: 继承UILabel以后重载drawTextInRect: – (void)drawTextInRect:(CGRect)rect { CGSize shadowOffset = self.shadowOffset; UIColor *textColor = self.textColor; CGContextRef c = UIGraphicsGetCurrentContext(); CGContextSetLineWidth(c, 1); CGContextSet
