添加例子

models/city.groovy

@@ -136,4 +136,22 @@ class CityChange {
         def workflow = context.workflowContext
         return WorkflowHandleContext.success(new WorkflowUser(1000, "李冬梅"))
     }
+
+    def tree_type_updator(Host host, InputParameter parameter, DataList dataList, EnvDataObject envDataObject,
+                          Map params, String sender) {
+        def model = host.getDataModel("city")
+        def treeType = params.get("tree_type")
+        if (treeType == null) {
+            return [
+                    "type": "hidden"
+            ]
+        } else {
+            return [
+                    "treeModelName": "province",
+                    "treeRootNode": treeType,
+                    "type":"tree"
+            ]
+        }
+
+    }
 }
\ No newline at end of file

models/city.json

@@ -873,28 +873,20 @@
             "type": "text"
           },
           {
+            "property": "tree_type",
+            "label": "树类型",
+            "type": "mapping",
+            "mapping": "treeMapping",
+            "is_param": true
+          },
+          {
             "type": "tree",
             "property": "province_id",
             "label": "省份ID",
             "treeModelName": "province",
             "treeRootNode": "1",
-            "required": true
-          }
-        ],
-        "detailsss": [
-          {
-            "name": "province",
-            "label": "付款项目(必填)",
-            "relatedId": "id",
-            "controls": [
-              {
-                "property": "id",
-                "label": "类型",
-                "type": "tree",
-                "treeModelName": "province",
-                "required": true
-              }
-            ]
+            "required": true,
+            "updator": "tree_type_updator"
           }
         ]
       },
@@ -1064,6 +1056,23 @@
           "value": "D:既不紧急也不重要"
         }
       ]
+    },
+    {
+      "name": "treeMapping",
+      "mapping_values": [
+        {
+          "key": "1",
+          "value": "父节点1"
+        },
+        {
+          "key": "2",
+          "value": "父节点2"
+        },
+        {
+          "key": "3",
+          "value": "父节点3"
+        }
+      ]
     }
   ],
   "joint_defs": [