UILable显示边框

Link address:http://blog.csdn.net/benbenxiongyuan/article/details/7792085

1：添加框架 QuartzCore.framework  

2：引入头文件#import "QuartzCore/QuartzCore.h" 

3：uilable.layer.borderColor = [UIColor lightGrayColor].CGColor;

     uilable.layer.borderWidth = 2.0;