增加后端判断

app/Api/Controllers/PrescriptionController.php

@@ -474,6 +474,9 @@ public function enter(Request $request)
             // 用药信息 西药:[['pharmacy_drug_id'=>2,'dosage_id'=>1,'dosage_desc'=>'500ml tid po','num'=>1]]
             $drug_info = [];
             foreach ($drugs as $drug) {
+                if(intval($drug['dosage_id']) <= 0){
+                    return $this->failed('请输入正确的数量!');
+                }
                 $pharmacyDrugQueryInfo = PharmacyDrugModel::with(['drug', 'dosage'])->find($drug['pharmacy_drug_id']);
                 $drug_info[] = [
                     'pharmacy_drug_id' => $drug['pharmacy_drug_id'],