使用：
步骤1.
pod 'SHSCategory'步骤2.
import "SHSCategory.h"目前包含以下一些常用分类
"NSArray+Check.h"
"UIAlertView+CallbackBlock.h"
"UIButton+ClickedBlock.h"
"UIColor+Hex.h"
"UIDevice+Hardware.h"
"UIImage+Redraw.h"
"UINavigationItem+CustomBackButton.h"
"UITextField+ActionBlock.h"
"UITextView+ClickedBlock.h"
"UIView+BlockGesture.h"
"UIView+GetPropertyMethod.h"
"UIView+ViewController.h"
"NSDictionary+dicWithGetParameter.h"
"NSString+IphoneType.h"
"NSString+GetURLScheme.h"