迪加网络微信上墙大屏幕互动系统(人人现场)V2019版导出出错

迪加网络微信上墙大屏幕互动系统(人人现场)V2019版活动结束导出数据出错

迪加网络微信上墙大屏幕互动系统(人人现场)V2019版不支持PHP 8.0环境，换为PHP 7.4环境后，前台使用正常，可是活动结束进入后台导出数据时出错，错误提示如下：

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 526

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 527

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 538

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 539

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 541

Deprecated: Array and string offset access syntax with curly braces is deprecated in /home/www/wwwroot/wx/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/String.php on line 542


解决方法:
迪加网络微信上墙大屏幕互动系统(人人现场)V2019版不支持PHP 7.4-8.0环境，换为PHP 5.6环境即可正常显示。