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Php CodeIgniter:未定义的属性:stdClass::$CategoryID_Php_Mysql_Codeigniter - Fatal编程技术网

Php CodeIgniter:未定义的属性:stdClass::$CategoryID

Php CodeIgniter:未定义的属性:stdClass::$CategoryID,php,mysql,codeigniter,Php,Mysql,Codeigniter,我在这里将两个数据库内部连接在一起,当分别使用单独的视图时,它们工作得很好,数据库也是如此,我认为这是内部连接的原因,但是将查询直接放入phpmyadmin并用数字替换$categoryID是行得通的 <?php if($value->UploadCategoryID == 2){ echo '<video muted class="video-respons

我在这里将两个数据库内部连接在一起,当分别使用单独的视图时,它们工作得很好,数据库也是如此,我认为这是内部连接的原因,但是将查询直接放入phpmyadmin并用数字替换$categoryID是行得通的

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
有些行加载,例如图像,但连接的变量未定义,是什么导致变量未定义

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
型号:

function DisplayBySpecificCategory($categoryID) 
{
    $query = $this->db->query("SELECT * FROM CIUploads
                               INNER JOIN CIUsers ON CIUploads.UserID = CIUsers.UserID
                               WHERE CIUploads.UploadCategoryID = $categoryID 
                               ORDER BY CIUploads.UploadTime DESC");
    return $query->result();
}
                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
控制器:

function SpecificCategory()
    {
        $categoryID=$this->uri->segment(3);

        $this->load->model('Previews_model');
        $this->load->model('Category_model');      
        $this->load->view('../includes/header.php'); 
        $data['category'] = $this->Category_model->GenerateCategoryHeader($categoryID);
        $data['allwork'] = $this->Previews_model->DisplayBySpecificCategory($categoryID);
        $this->load->view('headers/Specific_category_header', $data);
        $this->load->view('previews/Previews_view', $data); 
        $this->load->view('../includes/footer.php');
    }
                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
标题视图:

<?php foreach ($category as $value2){ ?> 
    <header style="background-color:#<?php echo $value2->CategoryColor ?>">
        <div class="container">
            <div class="row">
                <div class="col-lg-12">
                    <div class="page-intro">
                        <h1 class="inverted text-center"><?php echo $value2->CategoryTitle ?></h1>
                        <p class="inverted text-center"><?php echo $value2->CategoryDescription ?></p>
                    </div>
                </div>
            </div>
        </div>
    </header>
<?php } ?>
                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 


在您提到的问题中:未定义属性:stdClass::$CategoryID

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
而错误显示:未定义属性:stdClass::$CategoryIcon

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
如果$CategoryIcon未定义,则表示在任何表中都没有名为CategoryIcon的列

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 
你能谈谈这些桌子的细节吗

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 

最好在查询中提及列名,而不是*

在调用控制器之前添加加载模型,检查名称是否正确,确保(model=Class)中有一些名称

                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?> 

或者在Confige.php中

为这里的大量代码提前道歉,我已经仔细研究了很长时间,没有任何明显的东西
                <?php
                    if($value->UploadCategoryID == 2){
                        echo '<video muted class="video-responsive fit-centered">'; 
                            echo '<source src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" type="video/mp4">Your browser does not support the video tag.'; 
                        echo '</video>'; 
                    }

                     else if($value->UploadCategoryID == 3){ 
                        echo '<iframe class="fit-centered" src="http://'.$value->UploadedAt.'" scrolling="no"></iframe>';
                     }

                    else{
                        echo '<img class="img-responsive fit-centered" src="'.base_url("/public/uploads/works")."/".$value->UploadedAt.'" alt="'.$value->UploadTitle.'">';
                    } ?>

                <div class="overlay">
                    <p>
                        <a href="<?php echo site_url("/Work_controller/ViewWork/".$value->UploadID) ?>" class="inverted"><i class="fa fa-eye fa-3x ease-color"></i></a>
                    </p>
                </div>
            </div>

            <div class="hovereffect-information no-bounding">
                <span class="category-tab pull-right text-center inverted" style="background-color:#<?php echo $value->CategoryColor ?>"><i class="fa <?php echo $value->CategoryIcon ?>"></i></span>
                <p class="pull-left no-bounding text-uppercase preview-info"><?php echo $value->UploadTitle ?></p>
                <a href="<?php echo site_url("/Profile_controller/ViewProfile/".$value->UserID)?>"><img class="img-responsive small-profile-img pull-right hover-dim fit-centered" src="<?php echo base_url("/public/uploads/profile-images/")."/".$value->ProfileImg ?>" alt="<?php echo $value->Username ?>"/></a>
                <p class="pull-left no-bounding text-uppercase preview-info">
                    <a href="<?php echo site_url("/Category_controller/ViewCategory/".$value->CategoryID) ?>"></a> 
                    <span class="preview-span"> <i class="fa fa-eye"></i> <?php echo $value->UploadViews ?> </span> |
                    <span class="preview-span"> <i class="fa fa-heart"></i> <?php echo $value->UploadLikes ?> </span> |
                    <span class="preview-span"> <i class="fa fa-comments"></i> <?php echo $value->UploadComments ?> </span> 
                </p>
            </div>
        </div>
    <?php } ?>