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HomeBackend DevelopmentPHP TutorialYii2的相关学习记录,Gridview小部件使用及kartik-v/yii2-grid扩展(五),yii2gridview_PHP教程

Yii2的相关学习记录,Gridview小部件使用及kartik-v/yii2-grid扩展(五),yii2gridview

现在记录下Gridview的相关内容,也是强迫症犯了,Yii2自带的Gridview虽然不错,但是过滤栏如果一些字段用不着,不会自动合并成一行,当然也可以过滤栏不用,而是在最上方自己写一些需要检索的数据,但是这样很麻烦,还要自己去规划样式,写检索什么的。正好在搜索将检索栏和标题合并时,看到了kartik-v/yii2-grid可以实现这些功能,而且还自带导出excel、csv等数据,所以也顺便试了下它的功能,调出了自己喜欢的样式。在用kartik-v的Gridview之前我们还是要了解Yii2自带的Gridview的功能的,大体常用的一些方法如下:

1、Yii默认有四种样式的列,分别为Data column(默认)、Action column(操作)、Checkbox column(可选中)、Serial column(带序列号)

2、标题名字会根据Model中的attributeLabels()方法,来自动替换成对应的中文。当然也可以通过‘label’来自己定义,而‘attribute’则是指定根据哪个字段排序。其它的像是'visible'来隐藏显示,'header'显示头部内容,'headerOptions'来定义css或style样式等等。

<span>[
    </span>'label'=>'你想要的名称',
    'attribute'=>'id',<span>//</span><span>可以排序的字段</span>
<span>]
</span>

3、自定义显示页数和排序字段,如果用到了searchModel,则需要在searchModel的search方法中定义,否则,需要在Controller中定义:

<span>$dataProvider</span> = <span>new</span><span> ActiveDataProvider([
    </span>'query' => <span>$query</span>,
    'pagination' =><span> [
        </span>'pageSize' => 15,<span>//</span><span>如果不定义,默认为20</span>
    ],
    'sort' => ['attributes' => ['id']],<span>//</span><span>如果定义,则只能按照id来排序,否则所有字段都可以</span>
]);

4、下拉菜单检索,好比根据下拉菜单检索用户状态,则需要先在model中定义相关的方法,然后在Gridview中再做处理:

<span>//</span><span>Model中,定义一个静态方法</span>
<span>const</span> STATUS_DELETED = 0<span>;
</span><span>const</span> STATUS_ACTIVE = 10<span>;
</span><span>public</span> <span>static</span> <span>function</span> getZhStatus(<span>$status</span>=<span>false</span><span>){
    </span><span>$status_array</span>=<span> [
        </span>''=>'请选择',<span>
        self</span>::STATUS_DELETED=>'禁止',<span>
        self</span>::STATUS_ACTIVE=>'正常'<span>
    ];
    </span><span>return</span> <span>$status</span>==<span>false</span>?<span>$status_array</span>:ArrayHelper::getValue(<span>$status_array</span>,<span>$status</span>,'未知'<span>);
} 
</span><span>//</span><span>Gridview中</span>
<span>[ 
    </span>'attribute' => 'status',
    'filter'=>Html::activeDropDownList(<span>$searchModel</span>,'status',User::getZhStatus(),['class' => 'form-control ']),
    'value'=><span>function</span>(<span>$data</span><span>){
        </span><span>return</span> User::getZhStatus(<span>$data</span>-><span>status);
    }</span>,<span>
]</span>,   

5、格式化时间,有好几种方法:

方法一:类似上面的定义回调函数

<span>[
    </span>'attribute'=>'created_at',
    'value'=><span>function</span>(<span>$data</span><span>){
        </span><span>return</span> <span>date</span>('Y-m-d',<span>$data</span>-><span>created_at);   
   }</span>,<span>
]</span>

方法二:用Gridview自带的format配置

<span>[
    </span>'attribute'=>'created_at',
    'format'=>['date','php:Y-m-d'],
    'value'=>'created_at',<span>
]</span>,

方法三:首先在config中配置好你的时间格式,否则会是英文格式的,然后再在Gridview中处理。

<span>//</span><span>在common/config/main.php中定义自己的时间、金钱等的格式</span>
'components' =><span> [
    </span>'formatter' =><span> [
        </span>'dateFormat' => 'yyyy-MM-dd',
        'datetimeFormat' => 'yyyy-MM-dd HH:mm:ss',
        'decimalSeparator' => ',',
        'thousandSeparator' => ' ',
        'currencyCode' => 'CNY',<span>
    ]</span>,<span>
]</span>,

这里用到了快速写的一种方式:“attribute:format:label”(属性:格式:标签)这种格式,详情点击这里的api文档。所以我们这样就可以了:(如果定义了上方,则方法二可以直接'format'=>'date'即可以正确显示)

'created_at:date',

6、显示超链接或图片,都是用的回调函数的方法,这里以超链接为例,注意format需要为'raw’,不对结果做任何格式化处理,具体的格式化方面可以点这里看看。

<span>[ 
    </span>'attribute'=>'id',
    'value'=><span>function</span>(<span>$model</span>, <span>$key</span>, <span>$index</span>, <span>$column</span><span>){
        </span><span>return</span> Html::a(<span>$model</span>->id,['user/view','id'=><span>$model</span>->id],['class' => 'profile-link','target'=>'_blank'<span>]);
    }</span>,
    'format' => 'raw',<span>
]</span>,

7、关联表单显示,这个地方直接看指南吧,点这里看,总之就是如果管理表单设置好后,直接用类似order.name这种就可以直接显示使用,如果想要检索排序,则需要在searchModel的rulers规则方法和attributes属性方法中将此字段写入,在search方法中添加andFilterWhere的检索,以及用$query->joinWith关联字段,$dataProvider->sort->attributes[]添加排序等。

8、自定义Action Column按钮,

<span>[
    </span>'class' => 'yii\grid\ActionColumn',
    'header'=>'操作',
    'headerOptions'=>['width'=>'120'],
    'template' => '{view} {update} {delete} {forbid} ',
    'buttons'=><span>[
        </span>'forbid'=><span>function</span>(<span>$url</span>,<span>$model</span><span>){
            </span><span>return</span> Html::<span>a('<i class="glyphicon glyphicon-remove-circle"></i>',['user/forbid','id'=>$model->id]);     
        }
    ]</span>,<span>
]</span>

 以上是Yii2自带的Gridview的用法。再说下kartik-v/yii2-grid,官方文档及demo讲的比较全了,它比原生的多了几个列的形式,例如Editable Column(可编辑)、Radio Column(单选框)等,还多了一些其它功能,例如滚动时可以固定标题栏方便查看、可以总计、导出svn,excel等格式。这里稍微说下:

一开始安装完成后可能会报错pdf错误,因为这些关联的还没有安装,可以按照提示安装也可以先配置'export'=>false来取消导出功能,下面导出时会详细配置。

1、整体结构如下图:Yii2的相关学习记录,Gridview小部件使用及kartik-v/yii2-grid扩展(五),yii2gridview_PHP教程

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