Radeity commented on code in PR #14126:
URL: 
https://github.com/apache/dolphinscheduler/pull/14126#discussion_r1197328882


##########
dolphinscheduler-ui/src/views/projects/task/components/node/fields/use-node-selectors.ts:
##########
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Ref } from 'vue'
+import { useI18n } from 'vue-i18n'
+import type { IJsonItem } from '../types'
+
+export function useNodeSelectors({
+                                    model,
+                                    field,
+                                    name,
+                                    span = 24
+                                }: {
+    model: { [field: string]: any }
+    field: string
+    name?: string
+    span?: Ref | number
+}): IJsonItem[] {
+    const { t } = useI18n()
+
+    return [
+        {
+            type: 'custom-parameters',
+            field: field,
+            name: t(`project.node.${name}`),
+            class: 'btn-custom-parameters',
+            span,
+            children: [
+                {
+                    type: 'input',
+                    field: 'key',
+                    span: 8,
+                    class: 'node-selector-label-name',
+                    props: {
+                        placeholder: t('project.node.expression_name_tips'),
+                        maxLength: 256
+                    },
+                    validate: {
+                        trigger: ['input', 'blur'],
+                        required: true,
+                        validator(validate: any, value: string) {
+                            if (!value) {
+                                return new 
Error(t('project.node.expression_name_tips'))
+                            }
+
+                            const sameItems = model[field].filter(
+                                (item: { label: string }) => item.label === 
value
+                            )
+
+                            if (sameItems.length > 1) {
+                                return new 
Error(t('project.node.label_repeat'))
+                            }
+                        }
+                    }
+                },
+                {
+                    type: 'select',
+                    field: 'operator',
+                    span: 4,
+                    options: OPERATOR_LIST,
+                    value: 'In',
+                },
+                {
+                    type: 'input',
+                    field: 'values',
+                    span: 10,
+                    class: 'node-selector-label-value',
+                    props: {
+                        placeholder: t('project.node.expression_value_tips'),
+                        maxLength: 256,
+                        disabled: false
+                    }
+                }
+            ]
+        }
+    ]
+}
+
+export const OPERATOR_LIST = [
+    {
+        value: 'In',
+        label: 'In'
+    },
+    {
+        value: 'NotIn',
+        label: 'NotIn'
+    },
+    {
+        value: 'Exists',
+        label: 'Exists'
+    },
+    {
+        value: 'DoesNotExist',
+        label: 'DoesNotExist'

Review Comment:
   I've checked K8S doc :
   > You can use the operator field to specify a logical operator for 
Kubernetes to use when interpreting the rules. You can use In, NotIn, Exists, 
DoesNotExist, Gt and Lt.
   
   Do we have to modify it?



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