在yii中未设置初始化小部件模型失败 - Failed to initialize widget model is not set in yii

当我使用Yii-Bootstrap扩展创建一个模态登录小部件时，我得到错误。

CException Error - TbInput: Failed to initialize widget!未设置模型

怎么了??

这是我的源代码

登录按钮代码 -

in /views/layouts/main.php
<?php if (Yii::app()->user->isGuest): ?>
        $this->widget('bootstrap.widgets.TbButton', array(
            'size' => 'large',
            'label' => 'login',
            'url' => '#login-modal',
            'htmlOptions' => array(
              'data-toggle' => 'modal',
              'onclick' => '$("#error-div").hide();$("#LoginForm_username").focus();'),
            )
         );
         endif;
      $this->renderPartial("_ajax_login_form");
    ?>

ajax_login_form.php

<?php $this->beginWidget('bootstrap.widgets.TbModal', array(
        'id' => 'login-modal'
          )
      ); ?>
    <div class="modal-header">
        <a class="close" data-dismiss="modal">&times;</a>
        <h3>login</h3>
    </div>
    <div class="modal-body">
    <?php
        $form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
            'id' => 'LoginForm',
            'htmlOptions' => array(
                'class' => 'well'),
            )
         );
?>
    <div id="error-div" class="alert alert-block alert-error" style="display:none;">
    </div>    
    <?php echo $form->textFieldRow($login_form_model, 'username', array(
                            'class' => 'span3'
                            )
                      ); ?>
    <?php echo $form->passwordFieldRow($login_form_model, 'password', array(
                             'class' => 'span3'
                             )
                      ); ?>
    <?php $this->widget('bootstrap.widgets.TbButton', array(
            'buttonType' => 'ajaxSubmit', 
            'icon' => 'ok', 
            'label' => 'Submit', 
            'ajaxOptions' => array(
            'success' => 
      'function(data){
        var obj = $.parseJSON(data);
        if(obj.login=="success"){
            $("#login-modal").modal("hide");
            setTimeout(function(){location.reload(true);},400);
        }else{
            $("#error-div").show();
            $("#error-div").html("");
            if("LoginForm_password" in obj){
                $("#error-div").html(obj.LoginForm_password[0]+"<br />");
            }
            if("LoginForm_username" in obj){
                $("#error-div").append(obj.LoginForm_username[0]);
            }
        }
    }'),
));
 $this->endWidget(); ?>
     </div>
<?php $this->endWidget(); ?>

SiteController.php

public function actionLogin(){
  //$this->layout = 'main';
  $model = new LoginForm();
  if(isset($_POST['ajax']) && $_POST['ajax'] === 'login-form')
    {
      echo CActiveForm::validate($model, array('username', 'password', 'verifyCode'));
      Yii::app()->end();
    }
  if (isset($_POST['LoginForm'])) {
        $login_form_model->attributes = $_POST['LoginForm'];
        if ($login_form_model->validate() and $login_form_model->login()) {
            $array = array('login' => 'success');
            Yii::app()->user->setFlash('success', 'Successfully logged in.');
            $json = json_encode($array);
            echo $json;
            Yii::app()->end();
        } else {
            echo CActiveForm::validate($login_form_model);
            Yii::app()->end();
        }
    }
  $this->render('login', array(
    'model' => $model,
    ));
 }

login。

<?php 
 $form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
      'id' => 'login-form',
      'enableClientValidation' => true,
      'htmlOptions' => array('class' => 'well'),
      'clientOptions' => array(
            'validateOnSubmit' => true,
        ),
     )); ?>
<?php echo $form->textFieldRow($model, 'username', array('class' => 'span3'));?>
<?php echo $form->passwordFieldRow($model, 'password', array('class' => 'span3'));?> 
<?php echo $form->checkBoxRow($model, 'rememberMe');?>
<?php $this->widget('bootstrap.widgets.TbButton', array('buttonType' => 'submit', 'type' => 'primary', 'label' => 'Submit', 'icon' => 'ok'));?>
<?php $this->widget('bootstrap.widgets.TbButton', array('buttonType' => 'reset', 'label' => 'Reset'));?>
 <?php $this->endWidget(); ?>

请帮我解决我的错误

由于没有正确地将$model传递给视图而产生错误。

将SiteController.php中的actionLogin()改为

public function actionLogin(){
 //$this->layout = 'main';
 $model = new LoginForm();
 if(isset($_POST['ajax']) && $_POST['ajax'] === 'login-form')
 {
    echo CActiveForm::validate($model, array('email', 'password', 'verifyCode'));
    Yii::app()->end();
 }
 if (isset($_POST['LoginForm'])) {
    $model->attributes = $_POST['LoginForm'];
    if ($model->validate() and $model->login()) {
        $array = array('login' => 'success');
        Yii::app()->user->setFlash('success', 'Successfully logged in.');
        $json = json_encode($array);
        echo $json;
        Yii::app()->end();
    } else {
        echo CActiveForm::validate($model);
        Yii::app()->end();
    }
 }
 $this->render('login', array(
    'model' => $model,
  ));
}

修改main.php文件

 $login_form_model = new LoginForm();
 $this->renderPartial("_ajax_login_form",  array( 
                        'login_form_model' => $login_form_model,
                         )
                     );