iOS 8 UIAlertController

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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"标题" message:@"这个是UIAlertController的默认样式" preferredStyle:UIAlertControllerStyleAlert];
   
    [alertController addTextFieldWithConfigurationHandler:^(UITextField *textField){
        textField.placeholder = @"输入手机号";
    }];
   
    [alertController addTextFieldWithConfigurationHandler:^(UITextField *textField){
        textField.placeholder = @"输入获取的验证码";
    }];
   
    UIAlertAction *btnCode = [UIAlertAction actionWithTitle:@"获取验证码" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action)//获取验证码点击事件
    {
        UITextField *fieldPhone = alertController.textFields.firstObject;
        strPhone=fieldPhone.text;
        m_strCodeUrl = [NSString stringWithFormat:@"%@/user/send_sms?userid=%@&auth=%@&phone=%@", [HSGlobal getInstance].mServer,[HSGlobal getInstance].mUserID,[HSGlobal getInstance].mAuth,strPhone];
       
        NSDictionary *dicContent = [ParseJson parseJsonToDictionary:[NSURL URLWithString:m_strCodeUrl]];
        NSString *parameter=[dicContent objectForKey:@"e"];
        NSLog(@"%@获取信息",parameter);
    }];
   

   
    UIAlertAction *btnOk = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action)//绑定手机号事件
                            {
        UITextField *fieldPhone = alertController.textFields.firstObject;
        strPhone=fieldPhone.text;//获取text值
        UITextField *fieldCode = alertController.textFields.lastObject;
        NSString *strCode=fieldCode.text;
        m_strOkUrl= [NSString stringWithFormat:@"%@/user/send_sms?userid=%@&auth=%@&phone=%@&code=%@", [HSGlobal getInstance].mServer,[HSGlobal getInstance].mUserID,[HSGlobal getInstance].mAuth,strPhone,strCode];
                            }];
   
    NSDictionary *dicContent = [ParseJson parseJsonToDictionary:[NSURL URLWithString:m_strOkUrl]];
    NSString *parameter=[dicContent objectForKey:@"e"];
    NSLog(@"%@获取信息",parameter);

    [alertController addAction:btnCode];
    [alertController addAction:btnOk];
    [self presentViewController:alertController animated:YES completion:nil];

}