【iOS】UIAlertView 点击跳转事件

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示"
message:@"退出"
delegate:self
cancelButtonTitle:@"确认"
otherButtonTitles:nil];
if ([@"请记住新密码" isEqualToString:result.msg]) {
alert.tag=1;
}
[alert show];

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
if (alertView.tag == 1) {
[self.navigationController popViewControllerAnimated:YES];
}
}