简单的Animation实现方法

简单地说 就是
[UIView animateWithDuration:#时间#
                                      delay:#延迟#
                                     option:#选项#
                                animation:#block写各种最终的实现效果#
                              completion:#一般用nil#];
就可以！
API：
+ (void)animateWithDuration:
(NSTimeInterval)duration
delay:(NSTimeInterval)delay
option:(UIViewAnimationOptions)options
animation:(void (^)void)animations
completion:(void (^)(BOOL finished))completion
详见 http://www.tuicool.com/articles/3aaI73

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