2017-01-30 22 views
-1

我已经动态地创建了dropDownList框。在yii1上选择下拉列表问题更新时间

第一个dropbox是category,第二个dropbox是子类别。子类别dipand类别。

创建时间没有问题,但仍然选择编辑时间类别,但未选择子类别。

所有数据进入单一表格。 leval和parent_id数据到manaj类别。

===>我的表格数据 | category_id | parent_id | level | category_name
| 26 | 0 | 0 |床垫
| 27 | 0 | 0 |记忆海绵床垫
| 28 | 0 | 0 |酷床
| 103 | 26 | 1 |价值线
| 104 | 26 | 1 |公司
| 105 | 26 | 1 |枕头顶部
| 106 | 26 | 1 |各卷绕线圈

========>下拉类别和子类别

<?php 
    $arr = array(); 
    foreach($this->furniture_id as $furniture) 
    { 
    $id=$furniture['category_id']; 
    $parent_id=$furniture['parent_id']; 
     $cat_name=$furniture['category_name']; 
     if($parent_id==0) 
     { 
    $arr[$id]=$cat_name; 
     } 
    } 
    echo $form->labelEx($model,'category_id'); 
    ?> 

    <?php echo $form->dropDownList($model,'category_id', $arr , 
    array('empty'=>'Please Select Category','onchange'=>'js:validate_dropdown(this.value)')); ?> 
    <?php echo $form->error($model,'category_id'); ?> 
    <?php echo $images_path = realpath(Yii::app()->basePath . '/sdmattsFurniture/get_category.php'); ?> 
</div></div> 

<div class="control-group" > 
<div class="row"> 
    <?php 
    echo $form->labelEx($model,'sub_category_id'); ?> 
    <?php 
    if($this->furniture_id != '') 
    { 
    $arr_val_sub = array(); 
    foreach($this->furniture_id as $furniture_sub) 
    { 
    $id_sub=$furniture_sub['category_id']; 
    $parent_id_sub=$furniture_sub['parent_id']; 
    $level=$furniture_sub['level']; 
     $cat_name_sub=$furniture_sub['category_name']; 
     if($parent_id_sub > 0 && $level == 0) 
     { 
    $arr_val_sub[$id_sub]=$cat_name_sub; 
     } 

    } 
    echo "<div id='sub_cat'>"; 
    echo $form->dropDownList($model,'sub_category_id', $arr_val_sub, 
     array('empty'=>'Please Select Category','onchange'=>'js:validate_sub_dropdown(this.value)')); 
    echo "</div>";?> 
    <?php echo $form->error($model,'sub_category_id'); ?> 
<?php } ?> 
</div> 
</div> 

=====>的onchange调用funcation

功能validate_dropdown(ID) {

id=document.getElementById('SdmattsFurniture_category_id').value; 
    var sub_category_id=document.getElementById('SdmattsFurniture_sub_category_id').value; 
    if(id!='Please Select Category') 
    { 
    xmlhttpp_div_category=GetXmlHttpObject(); 
    if (xmlhttpp_div_category==null) 
    { 
     alert ("Browser does not support HTTP Request"); 
     return; 
    } 
    var url="<?php echo Yii::app()->request->baseUrl?>/get_category.php?id="+id+"&sub_category_id="+sub_category_id; 
    xmlhttpp_div_category.onreadystatechange=musicChanged_div_category; 
    xmlhttpp_div_category.open("GET",url,true); 
    xmlhttpp_div_category.send(null); 
    } 
} 

感谢

回答

0

在依赖dropdownlist的情况下,即dorpdonw B完全依赖于下拉A,这意味着最初下拉B将是空的,当我们在下拉选择值A时,B将随意填充。如果您的代码在添加期间工作正常,则我建议你在窗口加载时调用你的函数 这样的

window.load = function(){ 
    id = id=document.getElementById('SdmattsFurniture_category_id').value; 
    ////call your function which populate the dropdown B//// 
    validate_dropdown(id); 
}