Function App

react-flow-test/src/App.tsx:90–133

()

}

export default function App() {
  const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
  const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
 
  const onConnect = (params: Connection) => {
    setEdges((eds) => addEdge(params, eds))
  }
  debugger;
  logic();

  return (
    <div style={{ width: '800px', height: '500px', border: '1px solid #000', margin: '50px auto' }}>
      <ReactFlow 
        nodes={nodes}
        edges={edges}
        onNodesChange={onNodesChange}
        onEdgesChange={onEdgesChange}
        onConnect={onConnect}
        nodeTypes={{
          red: RedNode,
          blue: BlueNode
        }}
        edgeTypes={{
          custom: CustomEdge
        }}
      >
        <Controls/>
        <MiniMap zoomable/>
        <Background variant={BackgroundVariant.Lines}/>
        <Panel position="top-right">
          <button onClick={() => {
            setNodes([...nodes, { 
              id: Math.random().toString().slice(2,6) + '', 
              type: 'red', 
              position: { x: 0, y: 0 }, 
              data: {
                label: '光'
            }}])
          }}>添加节点</button>
        </Panel>
      </ReactFlow>
    </div>
  );
}