UIColor *color = [UIColor colorWithRed:0.95 green:0.95 blue:0.95 alpha:0];  [aImage setBackgroundColor:color]; //设置背景透明    /******设置图片圆角begin*******/  aImage.layer.masksToBounds = YES;  aImage.layer.cornerRadius = 5.0;  aImage.layer.borderWidth = 0.5;  aImage.layer.borderColor = [[UIColor grayColor] CGColor];  /******设置图片圆角end********/