纯java实现的工作流程编辑器，支持使用拖曳节点定义流程，支持对齐、多选拖放、undo/redo等功能，可以自动按树型排列节点。-Pure java implementation of the workflow editor, support for drag and drop node defines processes to support the alignment, multiple choice and drop, undo/redo functions, can automatica