fixed #33

extend/catcher/library/excel/Excel.php

@@ -34,10 +34,10 @@ class Excel
      * @param ExcelContract $excel
      * @param $path
      * @param string $disk
-     * @return mixed
+     * @return string[]
      * @throws Exception
      */
-    public function save(ExcelContract $excel, $path, $disk = 'local')
+    public function save(ExcelContract $excel, $path, $disk = 'local'): array
     {
         $this->excel = $excel;
 
@@ -46,9 +46,8 @@ class Excel
         !is_dir($path) && mkdir($path, 0777, true);
 
         $file = $path . date('YmdHis').Str::random(6) . '.' .$this->extension;
-        Factory::make($this->extension)
-                ->setSpreadsheet($this->spreadsheet)
-                ->save($file);
+
+        Factory::make($this->extension, $this->spreadsheet)->save($file);
 
         if (!file_exists($file)) {
             throw new FailedException($file . ' generate failed');
@@ -68,7 +67,7 @@ class Excel
      * @param $extension
      * @return $this
      */
-    public function setExtension($extension)
+    public function setExtension($extension): Excel
     {
         $this->extension = $extension;
 

extend/catcher/library/excel/Factory.php

@@ -12,18 +12,18 @@ use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
 class Factory
 {
 
-    public static function make($type)
+    public static function make($type, $spreadsheet)
     {
         if ($type === 'xlsx') {
-            return app(Xlsx::class);
+            return app(Xlsx::class)->setSpreadsheet($spreadsheet);
         }
 
         if ($type === 'xls') {
-            return app(Xls::class);
+            return new Xls($spreadsheet);
         }
 
         if ($type === 'csv') {
-            return app(Csv::class);
+            return (new Csv($spreadsheet))->setUseBOM('utf-8');
         }
 
         throw new FailedException(sprintf('Type [%s] not support', $type));