摘要：
安装2013版本的vcredist_x64.exe和vcredist_x86.exe 下载地址https://www.microsoft.com/zh-CN/download/details.aspx?id=40784 附上wampserver3.1.4的安装包和vcredist_x64.exe和v 阅读全文
摘要：
$spreadsheet->getActiveSheet()->getStyle('A1')->getNumberFormat() ->setFormatCode(\PhpOffice\PhpSpreadsheet\Style\NumberFormat::FORMAT_NUMBER);//设置Num 阅读全文