新增导出csv函数

Application/Admin/Common/extend.php

@@ -1541,4 +1541,25 @@ function getGameList($partner_id) {
     return $data;
 }
 
+//导出csv 2019/12/20
+function db2csv(&$data,$title,$header=false){
+    set_time_limit(0);
+    $filename = $title .'.csv';
+    $fp = fopen($filename, 'w'); //生成临时文件
+    fwrite($fp, chr(0xEF).chr(0xBB).chr(0xBF));//转码,防止乱码
+    if($header) fputcsv($fp, $header);
+    
+    foreach ($data as $a) {
+       fputcsv($fp, $a);
+    }
+    fclose($fp);  //每生成一个文件关闭
+    //下载
+    header('Content-Type: application/vnd.ms-excel;charset=utf-8');
+    header('Content-Disposition: attachment;filename="' . $title . '.csv"');
+    header('Cache-Control: max-age=0');
+    header('Content-Length: ' . filesize($filename));
+    readfile($filename);
+    unlink($filename);
+    die();
+}
 ?>