打印接口校验打印内容

ds-wms-service/DS.WMS.PrintApi/Service/OpenPrintService.cs

@@ -27,7 +27,10 @@ namespace DS.WMS.PrintApi.Service
                     {
                         return await Task.FromResult(PrintDataResult.Failed("非Json打印接口!"));
                     }
-
+                    if (String.IsNullOrEmpty(template.PrintJsonContent))
+                    {
+                        return await Task.FromResult(PrintDataResult.Failed("打印模板内容不能为空!"));
+                    }
                     try
                     {
                         var basePath = String.Empty;
@@ -114,7 +117,10 @@ namespace DS.WMS.PrintApi.Service
                     {
                         return await Task.FromResult(PrintDataResult.Failed("非Json打印接口!"));
                     }
-
+                    if (String.IsNullOrEmpty(template.PrintJsonContent))
+                    {
+                        return await Task.FromResult(PrintDataResult.Failed("打印模板内容不能为空!"));
+                    }
                     try
                     {
                         var basePath = String.Empty;