Jichao Wu wujichao

## keyCommand.m
//用法
xxxxxxButton.mgj_keyCommand = @"2";
-> ctrl + 2 //UIKeyModifierControl

// UIButton+UIKeyCommand
static char *kKeyCommandAssociatedObjectKey;
@interface UIButton (UIKeyCommand)
@property (nonatomic, strong) NSString *mgj_keyCommand;
@end
@implementation UIButton (UIKeyCommand)

## 0_reuse_code.js
// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console
	//用法
	xxxxxxButton.mgj_keyCommand = @"2";
	-> ctrl + 2 //UIKeyModifierControl

	// UIButton+UIKeyCommand
	static char *kKeyCommandAssociatedObjectKey;
	@interface UIButton (UIKeyCommand)
	@property (nonatomic, strong) NSString *mgj_keyCommand;
	@end
	@implementation UIButton (UIKeyCommand)
	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console