$data = [  [标题1,标题2],[内容1,内容2],[内容1,内容2]]; $fp=fopen('php://memory','w+'); // open up write to memory foreach($data as $row){
      $convertedRow=array();     foreach($row as $val){
          $convertedRow[]=iconv('utf-8','gbk',$val)."\t";//防止中文乱码,防止打开文件时显示科学计算法（只针对长数字字符串有效）     }     fputcsv($fp,$convertedRow); } rewind($fp); $csvFile=stream_get_contents($fp); fclose($fp); ob_clean(); $fileName = 'card_port_'.date('YmdHis').'.csv'; header('Content-Type: text/csv; charset=utf-8'); header("Content-Transfer-Encoding: binary "); header("Content-Type: application/force-download"); header('Content-Length: '.strlen($csvFile)); header('Content-Disposition: attachment; filename="'.$fileName.'"'); echo ($csvFile); 你也可以不写文件，直接把内容用,号隔开，每一行就用\n换行就可以

foreach($data as $row){
      $convertedRow=array();     foreach($row as $val){
          $convertedRow[]=iconv('utf-8','gbk',$val)."\t";     }     $csvFile.=implode(',',$convertedRow)."\n"; }