初始化仓库

common/services/ExportService.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace common\services;
+class ExportService
+{
+    //导出
+    public function export($headlist,$Name,$class)
+    {
+        ini_set("memory_limit", "2048M");
+        set_time_limit(0);
+        $params = \Yii::$app->request->post();
+
+        $data = $class->inventory($params);
+        //设置导出的文件名
+        $fileName = iconv('utf-8', 'gbk', "$Name" . date("Y-m-d"));
+        header('Content-Type: application/vnd.ms-excel');
+        //指明导出的格式
+        header('Content-Disposition: attachment;filename="' . $fileName . '.xsl"');
+        header('Cache-Control: max-age=0');
+        //打开PHP文件句柄,php://output 表示直接输出到浏览器
+        $fp = fopen('php://output', 'a');
+        //输出Excel列名信息
+        foreach ($headlist as $key => $value) {
+            //CSV的Excel支持GBK编码，一定要转换，否则乱码
+            $headlist[$key] = $value;
+        }
+        //将数据通过fputcsv写到文件句柄
+        fputcsv($fp, $headlist);
+        //每隔$limit行，刷新一下输出buffer，不要太大，也不要太小
+        $limit = 100000;
+        //逐行取出数据，不浪费内存
+
+        foreach ($data as $k => $v) {
+            //刷新一下输出buffer，防止由于数据过多造成问题
+            if ($k % $limit == 0 && $k != 0) {
+                ob_flush();
+                flush();
+            }
+            $row = $data[$k];
+            foreach ($row as $key => $value) {
+                $row[$key] = $value;
+            }
+            fputcsv($fp, $row);
+        }
+    }
+
+    public static function ExportByCors($parameter)
+    {
+        ini_set("memory_limit", "2048M");
+        set_time_limit(0);
+        if (is_array($parameter)) {
+            $filename = date('Y-m-d_H-i-s') . '.csv';
+//            header('Content-Type: application/vnd.ms-excel');
+            header('Content-Type: application/json');
+            header('Access-control-Allow-Origin:*');
+            header("Content-Disposition: attachment;filename=$filename");
+            header('Cache-Control: max-age=0');
+            $fp = fopen('php://output', 'w');
+            fwrite($fp,chr(0xEF).chr(0xBB).chr(0xBF));
+            if ( ! empty($parameter['header']) && is_array($parameter['header'])) {
+                fputcsv($fp, $parameter['header']);
+            }
+            if (isset($parameter['data'])) {
+                foreach ($parameter['data'] as $row) {
+                    fputcsv($fp, $row);
+                }
+                exit();
+            }
+            return true;
+        }
+        // throw new \yii\web\HttpException(500, "Not a valid parameter!");
+
+    }
+}