//添加通知，来控制键盘和输入框的位置
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWasShown:) name:UIKeyboardWillShowNotification object:nil];//键盘的弹出
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillBeHidden:) name:UIKeyboardWillHideNotification object:nil];//键盘的消失
#pragma mark ----- 键盘显示的时候的处理
- (void)keyboardWasShown:(NSNotification*)aNotification
{
//获得键盘的大小
NSDictionary* info = [aNotification userInfo];
CGSize kbSize = [[info objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.25];
[UIView setAnimationCurve:7];
self.view.frame = CGRectMake(0,-kbSize.height/6 , VCWidth, VCHeight);
[UIView commitAnimations];
}
#pragma mark ----- 键盘消失的时候的处理
- (void)keyboardWillBeHidden:(NSNotification*)aNotification
{
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.25];
[UIView setAnimationCurve:7];
self.view.frame = CGRectMake(0, 0, VCWidth, VCHeight);
[UIView commitAnimations];
}
-(void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}