新增后台导出功能

@@ -51,7 +51,7 @@ class Study extends Backend
             list($where, $sort, $order, $offset, $limit) = $this->buildparams();
             list($where, $sort, $order, $offset, $limit) = $this->buildparams();
 
 
             $list = $this->model
             $list = $this->model
-                    ->with(['school','team'])
+                ->with(['school', 'team'])
                 ->where($where)
                 ->where($where)
                 ->order($sort, $order)
                 ->order($sort, $order)
                 ->paginate($limit);
                 ->paginate($limit);
@@ -70,13 +70,14 @@ class Study extends Backend
     }
     }
 
 
     //导出数据
     //导出数据
-    public function export(){
+    public function export()
+    {
         if ($this->request->isPost()) {
         if ($this->request->isPost()) {
             set_time_limit(0);
             set_time_limit(0);
             $ids = $this->request->post('ids');
             $ids = $this->request->post('ids');
 
 
             $excel = new \PHPExcel();
             $excel = new \PHPExcel();
-            $excel->getProperties()->setTitle("学校+积分表");
+            try {
                 $excel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('A')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('B')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('C')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('C')->setWidth(10);
@@ -85,37 +86,45 @@ class Study extends Backend
                 $excel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
                 $excel->getActiveSheet()->getColumnDimension('F')->setWidth(15);
                 $excel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
                 $excel->getActiveSheet()->getColumnDimension('G')->setWidth(15);
                 $excel->getActiveSheet()->getColumnDimension('H')->setWidth(10);
                 $excel->getActiveSheet()->getColumnDimension('H')->setWidth(10);
+
+                // 列名表头文字加粗
+                $excel->getActiveSheet()->getStyle('A1:J1')->getFont()->setBold(true);
+                // 列表头文字居中
+                $excel->getActiveSheet()->getStyle('A1:J1')->getAlignment()
+                    ->setHorizontal(\PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
+
                 // 开始操作excel表
                 // 开始操作excel表
                 $worksheet = $excel->setActiveSheetIndex(0)    //操作第一个工作表
                 $worksheet = $excel->setActiveSheetIndex(0)    //操作第一个工作表
-            ->setCellValue('A1','序号')   //设置表格标题名称
-            ->setCellValue('B1','姓名')   //设置表格标题名称
-            ->setCellValue('C1','性别')
-                ->setCellValue('D1','班级')
-                ->setCellValue('E1','学校')
-                ->setCellValue('F1','手环ID')
-                ->setCellValue('G1','学号')
-                ->setCellValue('H1','总积分');
-            if ($ids=='all' || empty($ids)){    //判断当前数据为全部或者选中的
+                ->setCellValue('A1', '序号')   //设置表格标题名称
+                ->setCellValue('B1', '姓名')   //设置表格标题名称
+                ->setCellValue('C1', '性别')
+                    ->setCellValue('D1', '班级')
+                    ->setCellValue('E1', '学校')
+                    ->setCellValue('F1', '手环ID')
+                    ->setCellValue('G1', '学号')
+                    ->setCellValue('H1', '总积分');
+                if ($ids == 'all' || empty($ids)) {    //判断当前数据为全部或者选中的
                     $list = $this->model->with('school')->select();
                     $list = $this->model->with('school')->select();
-            }else{
+                } else {
                     $list = $this->model->with('school')->select($ids);
                     $list = $this->model->with('school')->select($ids);
                 }
                 }
 
 
-            foreach ($list as $k => $val){
+                foreach ($list as $k => $val) {
+                    $kk = $k + 1;
                     $k = $k + 2;//表格是从2开始的
                     $k = $k + 2;//表格是从2开始的
+                    $excel->getActiveSheet()->setTitle($val['school']['title'] . '积分表');
                     $worksheet
                     $worksheet
-                    ->setCellValue('A'.$k,$val['id'])
-                    ->setCellValue('B'.$k,$val['name'])
-                    ->setCellValue('C'.$k,$val['gender']?'男':'女')
-                    ->setCellValue('D'.$k,$val['grade'])
-                    ->setCellValue('E'.$k,$val['school']['title'])
-                    ->setCellValue('F'.$k,$val['unique'])
-                    ->setCellValue('G'.$k,$val['sno'])
-                    ->setCellValue('H'.$k,$val['earn_score']);
+                        ->setCellValue('A' . $k, $val['id'])
+                        ->setCellValue('B' . $k, $val['name'])
+                        ->setCellValue('C' . $k, $val['gender'] ? '男' : '女')
+                        ->setCellValue('D' . $k, $val['grade'])
+                        ->setCellValue('E' . $k, $val['school']['title'])
+                        ->setCellValue('F' . $k, $val['unique'])
+                        ->setCellValue('G' . $k, $val['sno'])
+                        ->setCellValue('H' . $k, $val['earn_score']);
                 }
                 }
-
                 $excel->createSheet();
                 $excel->createSheet();
-            $title = "学生成绩记录" . date("YmdHis");
+                $title = "学生成绩" . date("YmdHis");
                 header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                 header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                 header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
                 header('Content-Disposition: attachment;filename="' . $title . '.xlsx"');
                 header('Cache-Control: max-age=0');
                 header('Cache-Control: max-age=0');
@@ -127,8 +136,10 @@ class Study extends Backend
                 header('Pragma: public'); // HTTP/1.0
                 header('Pragma: public'); // HTTP/1.0
                 $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
                 $objWriter = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
                 $objWriter->save('php://output');
                 $objWriter->save('php://output');
+            } catch (\PHPExcel_Exception $e) {
+                $this->error('参数错误', $e->getMessage());
+            }
             exit;
             exit;
-            return;
         }
         }
     }
     }
 }
 }