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fastphp/func/common.php

@@ -4,8 +4,8 @@
  * @version:
  * @Author: kangkang
  * @Date: 2020-09-30 17:32:46
- * @LastEditors: kangkang
- * @LastEditTime: 2020-11-14 10:35:30
+ * @LastEditors: Please set LastEditors
+ * @LastEditTime: 2020-12-07 16:44:09
  */
 /**
  * 浏览器友好的变量输出
@@ -67,3 +67,39 @@ function result($data = [], $msg = '', $code = 10000)
     echo json_encode($info);
     die;
 }
+
+/**
+ * @description: 导出csv
+ * @param {*}
+ * @return {*}
+ */
+function exportToCsv($fileName = '', $headArr = [], $data = []){
+    ini_set('memory_limit','1024M'); //设置程序运行的内存
+    ini_set('max_execution_time',0); //设置程序的执行时间,0为无上限
+    @ob_end_clean();  //清除内存
+    ob_start();
+    
+    header('Content-Type: text/csv; charset=utf-8');  
+    header('Content-Disposition: attachment; filename=data.csv'); 
+    header('Expires:0');
+    header('Pragma:no-cache');
+    $fp=fopen('php://output','w');
+    fputcsv($fp,$headArr);
+    $index = 0;
+    foreach ($data as $item) {
+        if($index==1000){ //每次写入1000条数据清除内存
+            $index=0;
+            ob_flush();//清除内存
+            flush();
+        }
+        $index++;
+        fputcsv($fp,$item);
+    }
+    fclose($fp);
+
+
+    @ob_flush();
+    flush();
+    ob_end_clean();
+    return;
+}