响应键盘return事件

//点击其他地方，键盘收起

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

{

[super touchesEnded:touches withEvent:event];

[self.viewendEditing:YES];

}

//响应键盘return事件

- (BOOL)textFieldShouldReturn:(UITextField *)textField

{

[textField
resignFirstResponder];

returnYES;

}