在model view中隐藏键盘代码

 [textView resignFirstResponder];

@try

{

Class UIKeyboardImpl = NSClassFromString(@"UIKeyboardImpl");

id activeInstance = [UIKeyboardImpl performSelector:@selector(activeInstance)];

[activeInstance performSelector:@selector(dismissKeyboard)];

}

@catch (NSException *exception)

{

NSLog(@"%@", exception);

}