迅睿CMS:后台列表导出excel示例_迅睿教程

迅睿CMS:后台列表导出excel示例

迅睿教程 2024-10-09 15:07:56 0次 0 来源：老K模板网收藏

如图所示在后台列表中增加导出按钮，用于导出当前搜索结果的全部数据到excel

实现需求需要使用教程：https://www.xunruicms.com/doc/1026.html

例子我们以news模块为例，在列表中增加导出功能

1、新建news的模板文件，采用方法：

https://www.xunruicms.com/doc/720.html

2、打开news列表的模板文件，增加按钮代码，注意按钮的url一定要正确

sq：表示table类生成的sql语句别名

tb：表示当前查询的表名称

3、新建控制器文件：dayrui/App/News/Controllers/Admin/Api.php

<?php namespace Phpcmf\Controllers\Admin;

/**
 * 二次开发时可以修改本文件，不影响升级覆盖
 */

class Api extends \Phpcmf\Admin\Module
{
    protected function _Admin_List($rt = 0) {

$this->fix_table_list = true;
        parent::_Admin_List($rt);
   }

// 导出excel
    public function excel() {
  
  $sql = dr_safe_replace(\Phpcmf\Service::L('input')->get('sq'));
  $sql = dr_authcode($sql, 'DECODE');
  if (!$sql) {
      $this->_admin_msg(0, 'SQL语句解析失败');
  }
  
  // 去掉limit语句
  $arr = explode(' LIMIT ', $sql);
  $sql = $arr[0];
  if (!$sql) {
      $this->_admin_msg(0, 'SQL语句解析失败');
  }
  
  // 查询结果
  $list = \Phpcmf\Service::M()->db->query($sql)->getResultArray();
  if (!$list) {
      $this->_admin_msg(0, '查询结果为空');
  }
  
  $data = [];
        $title = ['标题', '录入时间', '文章链接']; // 导出的标题格式
        foreach ($list as $t) {
            $data[] = [
                $t['title'],    
                dr_date($t['inputtime']),    
                dr_url_prefix($t['url']),    
            ];
        }

// Create new Spreadsheet object
        $spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();

// 方法一，使用 setCellValueByColumnAndRow
        //表头
        //设置单元格内容
        foreach ($title as $key => $value) {
            // 单元格内容写入
            $sheet->setCellValueByColumnAndRow($key + 1, 1, $value);
        }
        $row = 2; // 从第二行开始
        foreach ($data as $item) {
            $column = 1;
            foreach ($item as $value) {
                // 单元格内容写入
                $sheet->setCellValueByColumnAndRow($column, $row, $value);
                $column++;
            }
            $row++;
        }
        
        $name = dr_date(SYS_TIME, 'YmdHis');
        // Redirect output to a client’s web browser (Xlsx)
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header('Content-Disposition: attachment;filename="'.urlencode($name).'.xlsx"');
        header('Cache-Control: max-age=0');
        // If you're serving to IE 9, then the following may be needed
        header('Cache-Control: max-age=1');

// If you're serving to IE over SSL, then the following may be needed
        header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
        header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
        header('Pragma: public'); // HTTP/1.0

$writer = \PhpOffice\PhpSpreadsheet\IOFactory::createWriter($spreadsheet, 'Xlsx');
        $writer->save('php://output');
        exit;
 }

}

4、然后点击（1）中的导出按钮即可生成excel文件

如果遇到系统故障等问题时，需要引入excel文件类：https://www.xunruicms.com/doc/1026.html

-------------------------批量分页导出----------------

// 导出excel
    public function excel() {

$sq = $sql = dr_safe_replace(\Phpcmf\Service::L('input')->get('sq'));
        $sql = dr_authcode($sql, 'DECODE');
        if (!$sql) {
            $this->_admin_msg(0, 'SQL语句解析失败');
        }

// 去掉limit语句
        $arr = explode(' LIMIT ', $sql);
        $sql = $arr[0];
        if (!$sql) {
            $this->_admin_msg(0, 'SQL语句解析失败');
        }

$page = max(1, (int)\Phpcmf\Service::L('input')->get('page'));

$path = WRITEPATH.'temp/excel-'.$sq.'/';
        if ($page == 1) {
            dr_dir_delete($path);
            dr_mkdirs($path);
        }

if ($page == 999) {
            if (is_file($path.'1.xlsx')) {
                // code...

$cname = date('Y-m-d-H-i-s').'.zip';
                $zipfile = $path.$cname;
                $rt = \Phpcmf\Service::L('file')->zip($zipfile, $path);
               if ($rt) {
                    $this->_admin_msg(0, $rt);
                }
                set_time_limit(0);
                $handle = fopen($zipfile,"rb");
                if (FALSE === $handle) {
                    $this->_admin_msg(0, dr_lang('文件已经损坏'));
                }

$filesize = filesize($zipfile); 
                header('Content-Type: application/octet-stream');
                header("Accept-Ranges:bytes");
                header("Accept-Length:".$filesize);
                header("Content-Disposition: attachment; filename=".$cname);

while (!feof($handle)) {
                    $contents = fread($handle, 4096);
                    echo $contents;
                    ob_flush();  //把数据从PHP的缓冲中释放出来
                    flush();      //把被释放出来的数据发送到浏览器
                }
                
                fclose($handle);
                ob_end_clean();
                
                exit;
            } else {
                $this->_admin_msg(0, dr_lang('文件丢失'));
            }
        }

$psize = 10000;
        $a = $psize * ($page - 1);
        $sql.= ' LIMIT '.$a.','.$psize;

// 查询结果
        $list = \Phpcmf\Service::M()->db->query($sql)->getResultArray();
        if (!$list) {
            // 查询完毕
            if (is_file($path.'1.xlsx')) {
                // code...
                $this->_admin_msg(1, '导出完毕', dr_url(APP_DIR.'/home/excel', [
                    'sq' => $sq,
                    'page' => 999, 
                ]));
            }
            $this->_admin_msg(0, dr_lang('内容查询为空'));
        }

$data = [];
        $title = ['产品', '防伪码', '查询链接（二维码内容）']; // 导出的标题格式
        foreach ($list as $t) {
            $data[] = [
                $t['title'],
                $t['fangweima'],
                '',
            ];
        }

// Create new Spreadsheet object
        $spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();

$writer = \PhpOffice\PhpSpreadsheet\IOFactory::createWriter($spreadsheet, 'Xlsx');
        $file = $path.$page.'.xlsx';
        $writer->save($file);

$this->_admin_msg(1, '正在导出中（'.$page.'）...', dr_url(APP_DIR.'/home/excel', [
            'sq' => $sq,
            'page' => $page+1, 
        ]));
    }

迅睿CMS:后台列表导出excel示例

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