//一定時(shí)間內(nèi)完成動(dòng)作后執(zhí)行某個(gè)動(dòng)作

+(void)animateWithDuration:(NSTimeInterval)duration animations:(void (^)(void))animations completion:(void (^__nullable)(BOOL finished))completion;

//一定時(shí)間內(nèi)完成動(dòng)作

+(void)animateWithDuration:(NSTimeInterval)duration animations:(void (^)(void))animations;

/*

duration : 動(dòng)畫時(shí)間

delay : 延遲時(shí)間

dampingRatio : 阻尼系數(shù)(彈性) 越小越彈

velocity : 速率

options : 選項(xiàng)

animations : 做動(dòng)畫的代碼塊

completion : 動(dòng)畫完成的代碼塊 "回調(diào)"

*/

+(void)animateWithDuration:(NSTimeInterval)duration?delay:(NSTimeInterval)delay?usingSpringWithDamping:(CGFloat)dampingRatioinitialSpringVelocity:(CGFloat)velocity?options:(UIViewAnimationOptions)options?animations:(void (^)(void))animations?completion:(void (^__nullable)(BOOL finished))completion;