隐藏键盘方法

指定文本框代理

- (void)viewDidLoad {

[ super viewDidLoad];

txt.delegate = self;

}

按回车隐藏键盘

- (BOOL)textFieldShouldReturn:(UITextField *)textField

{

[textField resignFirstResponder];

return YES；

}

点击view其它地方隐藏键盘

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

[txt resignFirstResponder];

}

//触摸事件

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;