标签：
//设置图片框为圆角
ImgView.layer.cornerRadius = 7;
ImgView.layer.masksToBounds = YES;
//设置图片框为圆角
ImgView.layer.cornerRadius = 7;
ImgView.layer.masksToBounds = YES;
//设置图片框为圆角
ImgView.layer.cornerRadius = 7;
ImgView.layer.masksToBounds = YES;
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原文地址：http://www.cnblogs.com/ZMiOS/p/5003729.html
