w771920097 opened a new issue #870: [Feature] Task Node Reuse（任务节点复用） URL: https://github.com/apache/incubator-dolphinscheduler/issues/870 **Is your feature request related to a problem? Please describe.** Every time a workflow is newly defined, new nodes must be created on the spot **Describe the solution you'd like** 1.Can you add a task node menu to build a new node in advance? 2.When defining workflow, you can create new nodes and use one of the existing nodes. **Describe alternatives you've considered** In this way, the node information can be reused and the definition time of flow workflow can be saved. **Additional context**  --- **Is your feature request related to a problem? Please describe.** 每次新定义工作流的时候都必须当场新建节点 **Describe the solution you'd like** 1、能不能加个任务节点菜单，可以提前新建好节点 2、定义工作流的时候可新建节点和使用已有节点二选一 **Describe alternatives you've considered** 这样节点信息可复用，且节省流工作流的定义时间 **Additional context** 
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