UITextFieldDelegate
键盘return事件
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
if (textField.tag == 1){
// do next
// 光标
[self.passwordField becomeFirstResponder];
}else if (textField.tag == 2){
// do join
[self login:nil];
}
return YES;
}
原文：http://www.cnblogs.com/Hanasaka/p/4028310.html