工序查询优化

application/api/controller/StaffSalary.php

@@ -36,6 +36,7 @@ class StaffSalary extends Api
         //获取员工部门
         $big_process = db('人员_基本资料')
             ->field('DISTINCT big_process')
+            ->where('big_process','<>','')
             ->select();
         foreach ($big_process as $v) {
             $big_process_name[] = $v['big_process'];