TextField

1~点击return 按钮 ,收回键盘

-(BOOL)textFieldShouldReturn:(UITextField *)textField 

{ 

    [textField resignFirstResponder]; 

    return YES; 

} 




2~ 点击屏幕任何地方都会触发的方法

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

{

    [_textField resignFirstResponder];

}