cakephp：将过滤后的数据导出到Excel

问题描述 投票：0回答：1

在我看来，我有 2 个按钮，一个在表单中用于根据下拉列表过滤数据，另一个用于将过滤后的数据导出到 Excel。

        <?php
            $options = array();
            $options[0] = 'All';
            $options[1] = 'Due last 6 months';
            $options[2] = 'Due current month';
            $options[3] = 'Due next 3 months';
            $options[4] = 'Due next 6 months';
            $options[5] = 'Due next 12 months';            
        ?>

        <div class="row">
            <?= $this->Form->create() ?>
                <fieldset>                
                    <div class="row">
                        <div class="col-xs-3"><?= $this->Form->input('select_period_id', ['options' => $options, 'empty' => false, 'label' => __('Select Period')]) ?></div>
                        <div class="col-sm-2" style="padding-top:25px;"><?= $this->Form->button(__('Search'), ['class' => 'btn btn-primary']) ?></div>
                    </div>
                </fieldset>
            <?= $this->Form->end() ?>                
        </div>
    <div class="timetables index large-9 medium-8 columns content">
        <?= $this->Html->link(__('Export to xlsx'), array_merge($this->request->query, ['_ext' => 'xlsx']), ['class' => 'btn btn-primary']) ?>
        </div>

我假设第一个按钮是 POST，第二个按钮是 GET。 我可以使用第一个按钮获得过滤后的数据，但不能使用第二个按钮：

$data = $this->request->data;
    $select_period = $this->request->data('select_period_id');
    $today = Time::now()->format('Y-m-d');
    $second_date = Time::now();
    $assetsAssignations = $this->AssetsAssignations->find()
        ->contain(['Assets']);

    if($this->request->is(['patch', 'post', 'put'])) 
    {
        if ($select_period == 0) {
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
        } elseif ($select_period == 1) {                
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'end_date >=' => $second_date,
                'end_date <=' => $today
                    ]);
             // etc..

    } elseif($this->request->is(['get'])) 
    {
          ???
    }

    $_filename = "xls_report_replacement_" . date('Ymd');
    $this->set(compact('assetsAssignations', '_filename'));        
}

我没有找到导出到 Excel 按钮 (GET) 时应该放什么。

请问有什么帮助吗？

_ 更新：我尝试了这个，打开excel文件时出现错误

{
    $data = $this->request->data;
    $select_period = $this->request->data('select_period_id');
    $today = Time::now()->format('Y-m-d');
    $second_date = Time::now();
    $assetsAssignations = $this->AssetsAssignations->find()
        ->contain('Assets');

    debug($this->request->data);

    if (isset($this->request->data['btn1'])) 
    {
        if ($select_period == 0) {
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
        } elseif ($select_period == 1) {                
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $second_date,
                'Assets.life_end_date <=' => $today
                    ]);
        } elseif ($select_period == 2) {
            $second_date = $second_date->modify('1 month');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);

        } elseif ($select_period == 3) {
            $second_date = $second_date->modify('3 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        } elseif ($select_period == 4) {
            $second_date = $second_date->modify('6 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        } elseif ($select_period == 5) {
            $second_date = $second_date->modify('12 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        }
    } elseif (isset($this->request->data['btn2'])) {
        if ($select_period == 0) {
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
        } elseif ($select_period == 1) {                
            $second_date = $second_date->modify('-6 months');                
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $second_date,
                'Assets.life_end_date <=' => $today
                    ]);
        } elseif ($select_period == 2) {
            $second_date = $second_date->modify('1 month');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);

        } elseif ($select_period == 3) {
            $second_date = $second_date->modify('3 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        } elseif ($select_period == 4) {
            $second_date = $second_date->modify('6 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        } elseif ($select_period == 5) {
            $second_date = $second_date->modify('12 months');
            $second_date = $second_date->format('Y-m-d');
            $assetsAssignations->where([
                'Assets.life_end_date >=' => $today,
                'Assets.life_end_date <=' => $second_date
                    ]);
        }
        debug($select_period);
        die();
        return $this->redirect(['action' => 'test.xlsx']);
    }
    $_filename = "xls_report_replacement_" . date('Ymd');
    $this->set(compact('assetsAssignations', '_filename'));        

}

在我看来，我在表单中包含了第二个按钮：

<div class="row">
            <?= $this->Form->create('form_name') ?>
                <fieldset>                
                    <div class="row">
                        <div class="col-xs-3"><?= $this->Form->input('select_period_id', ['options' => $options, 'empty' => false, 'label' => __('Select Period')]) ?></div>
                        <div class="col-sm-2" style="padding-top:25px;"><?php echo $this->Form->submit('Search', array('name'=>'btn1'))?></div>
                        <div class="col-sm-2" style="padding-top:25px;"><?php echo $this->Form->submit('Excel', array('name'=>'btn2'))?></div>

                    </div>
                </fieldset>
            <?= $this->Form->end() ?>

        </div>

当我使用第一个按钮进行调试时：

[
    'select_period_id' => '1',
    'btn2' => 'Excel'
]

select_period_id = '1'

使用 Excel 按钮调试：

[
    'select_period_id' => '2',
    'btn2' => 'Excel'
]
select_period_id = '2'
php cakephp cakephp-3.x
1个回答
1
投票

通过在生成 xlsx 文件时包含调试语句，您会破坏输出。如果不带任何参数重定向到 

test.xlsx
，您将丢失发布的数据。你可以搞乱这样的事情：

$this->redirect(['action' => 'test.xlsx', 'select_period_id' => $select_period])

但这很丑。无需重定向，只需设置响应类型，如下所示：

$this->RequestHandler->renderAs($this, 'xlsx');

此外，你还有很多重复的代码；其中大部分是可以消除的。

并且您不需要在将日期传递给查询生成器之前设置日期格式，方法是从 

Time
类切换到 
Date
。

这是我建议的版本：

{
    $data = $this->request->data;
    $select_period = $this->request->data('select_period_id');
    $today = FrozenDate::now();
    $assetsAssignations = $this->AssetsAssignations->find()
        ->contain('Assets');

    // This block could be done with a switch instead of if-elseif
    if ($select_period == 0) {
        $start_date = $end_date = null;
    } elseif ($select_period == 1) {                
        // Alternately, $start_date = $today->subMonths(6);
        $start_date = $today->modify('-6 months');
        $end_date = $today;
    } elseif ($select_period == 2) {
        $start_date = $today;
        // Alternately, $start_date = $today->addMonth();
        $end_date = $today->modify('1 month');
    } elseif ($select_period == 3) {
        $start_date = $today;
        // Alternately, $start_date = $today->addMonths(3);
        $end_date = $today->modify('3 months');
    } elseif ($select_period == 4) {
        $start_date = $today;
        $end_date = $today->modify('6 months');
    } elseif ($select_period == 5) {
        $start_date = $today;
        $end_date = $today->modify('12 months');
    }

    if ($start_date) {
        $assetsAssignations->where([
            'Assets.life_end_date >=' => $start_date,
            'Assets.life_end_date <=' => $end_date
        ]);
    }

    // Personally, I'd rename this from btn2 to something like xlsx, here and in the form template
    if (isset($this->request->data['btn2'])) {
        $this->RequestHandler->renderAs($this, 'xlsx');
    }

    $_filename = "xls_report_replacement_" . date('Ymd');
    $this->set(compact('assetsAssignations', '_filename'));
}

如您所见，代码更短，并且功能应该相同。

更新：在控制器中，在顶部添加：

use Cake\I18n\FrozenDate;
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