Practical tips for hiding columns in dedecms

In the process of using dedeCMS to build a website, sometimes we need to hide some columns and prevent them from being displayed in the front desk. This can effectively manage website columns and keep the overall structure of the website clear. The following will introduce some practical techniques for hiding columns in dedeCMS, with specific code examples.

1. Modify column attributes:
   In the background management of dedeCMS, find the column that needs to be hidden and enter the column management page. You can see that each column has its own attribute settings, one of which is "whether to display", and the default is "Yes". Modify this property to "No" and save the settings to hide this column.
2. Code examples of hidden columns:
   If there are many columns that need to be hidden, you can add some code to the template file to achieve the effect of batch hiding. The specific operations are as follows:

Open the template directory of dedeCMS and find the template file to be modified, usually "list.htm" or "article_list.htm".
Add the following code at the corresponding location:

<?php
    // 获取栏目ID为1的栏目信息
    $channel = new ChannelModel(1);
    $sonids = $channel->SonIds();
    $where = isset($sonids) ? "`classid` NOT IN ({$sonids})" : '';
    $where .= " AND ...";   // 可以添加其他条件
?>

In the above code, we first instantiate the ChannelModel class and pass in the ID of the column that needs to be hidden. Then use the SonIds method to obtain all sub-column IDs under this column and exclude them. You can then add other conditions as needed to further filter the columns that need to be hidden.

3. Use JavaScript to hide columns:
   In addition to modifying the code in the background and template, you can also use JavaScript to achieve the effect of hiding columns. Add the following code to the page where the column that needs to be hidden is located:

<script type="text/javascript">
    $(document).ready(function(){
        $('.hidden-column').hide();
    });
</script>

In the above code, we use the jQuery selector to find the element with class "hidden-column" and hide it . You can modify the selector conditions according to actual needs to hide different columns.

Through the above methods, we can easily hide the required columns in dedeCMS and keep the website clean and orderly. Of course, remember to back up website data and files before operation to avoid unnecessary losses. I hope the above content will be helpful to you, and I wish you good luck in building your dedeCMS website!

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