给View设置圆角以及边框

 #import <QuartzCore/QuartzCore.h>

   //给图层添加背景图片：
  myView.layer.contents = (id)[UIImage imageNamed:@"view_BG.png"].CGImage;
  //将图层的边框设置为圆脚
  myWebView.layer.cornerRadius = 8;
  myWebView.layer.masksToBounds = YES;
  //给图层添加一个有色边框
 myWebView.layer.borderWidth = 5;
 myWebView.layer.borderColor = [[UIColor colorWithRed:0.52 green:0.09 blue:0.07 alpha:1] CGColor];