fix issue #I3ZCIX 审批过程中可以修改表单内容，并可以控制表单字段读写权限

OpenAuth.App/Flow/FlowNode.cs

@@ -79,6 +79,11 @@
         /// 会签拒绝的个数
         /// </summary>
         public int? ConfluenceNo { get; set; }
+        
+        /// <summary>
+        /// 可写的表单项ID
+        /// </summary>
+        public string[] CanWriteFormItemIds { get; set; }
     }
 
     /// <summary>

OpenAuth.App/FlowInstance/FlowInstanceApp.cs

@@ -296,6 +296,11 @@ namespace OpenAuth.App
 
             flowInstance.SchemeContent = JsonHelper.Instance.Serialize(wfruntime.ToSchemeObj());
 
+            if (!string.IsNullOrEmpty(request.FrmData))
+            {
+                flowInstance.FrmData = request.FrmData;
+            }
+
             UnitWork.Update(flowInstance);
             UnitWork.Add(flowInstanceOperationHistory);
 
@@ -596,9 +601,15 @@ namespace OpenAuth.App
             var flowinstance = Get(id);
             var resp =flowinstance.MapTo<FlowVerificationResp>();
             var runtime = new FlowRuntime(flowinstance);
+            if (runtime.currentNode != null && runtime.currentNode.setInfo !=null)
+            {
+                resp.CanWriteFormItemIds = runtime.currentNode.setInfo.CanWriteFormItemIds;
+            }
+            
             if (runtime.nextNode != null && runtime.nextNode.setInfo !=null && runtime.nextNodeType != 4)
             {
                 resp.NextNodeDesignateType = runtime.nextNode.setInfo.NodeDesignate;
+                resp.CanWriteFormItemIds = runtime.currentNode.setInfo.CanWriteFormItemIds;
             }
             return resp;
         }

OpenAuth.App/FlowInstance/Request/VerificationReq.cs

@@ -25,5 +25,11 @@ namespace OpenAuth.App.Request
         /// </summary>
         public string NodeRejectType { get; set; }
         
+        /// <summary>
+        /// 新的表单数据
+        /// 如果该节点有可以修改的表单项时，会提交表单数据信息
+        /// </summary>
+        public string FrmData { get; set; }
+        
     }
 }

OpenAuth.App/FlowInstance/Response/FlowVerificationResp.cs

@@ -17,5 +17,10 @@ namespace OpenAuth.App.Response
         /// 下个节点的执行权限方式
         /// </summary>
         public string NextNodeDesignateType { get; set; }
+        
+        /// <summary>
+        /// 当前节点的可写表单Id
+        /// </summary>
+        public string[] CanWriteFormItemIds { get; set; }
     }
 }