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JGraphX生成的通风网络图，反映了风网的拓扑关系，但是Jgraph中的edge的节点mxcell虽然是正确的，但是其中的Node却不是与label对应的，
其原因可能是由于插入边时的方法问题，
所以在网络图导出为解算图时，应进行如下处理：
mxgraph.selectVertices();Object[] vcells = graphComponent.getGraph().getSelectionCells();NodeList nl = new NodeList();for (int i = 0; i < vcells.length; i++) {mxCell cell = (mxCell) vcells[i];Node n = (Node) cell.getValue();n.setNodeID(Integer.valueOf(cell.getId()));nl.add(n);}mxgraph.selectEdges();Object[] cells = graphComponent.getGraph().getSelectionCells();System.out.println("分支数：" + cells.length);mxAnalysisGraph aGraph = new mxAnalysisGraph();aGraph.setGraph(mxgraph);boolean isConnected = mxGraphStructure.isConnected(aGraph);if (!isConnected) {JOptionPane.showMessageDialog(null, "网络图不是连通图，请检查！", "错误",JOptionPane.ERROR_MESSAGE);}EdgeList el = new EdgeList();mxgraph.refresh();graphComponent.updateUI();for (int i = 0; i < cells.length; i++) {mxCell c = (mxCell) cells[i];VentEdge ve = (VentEdge) c.getValue();if (!ve.isGudingQ()) {ve.setAirH(0);ve.setAirQ(0);ve.setNT(0);}int outdegree = mxGraphStructure.outdegree(aGraph,c.getSource());// System.out.println(outdegree+".............");Node bn = (Node) c.getSource().getValue();Node nbn = nl.getNode(bn.getLabel());ve.setBnode(nbn);Node en = (Node) c.getTarget().getValue();Node nen = nl.getNode(en.getLabel());ve.setEnode(nen);// if (ve.getLabel() == null || ve.getLabel().equals(""))ve.setLabel(ve.getBnode() + "--->" + ve.getEnode());System.out.println(ve);System.out.println(ve.getBnode() + "--" + ve.getEnode()+ " " + ve.getR() + " " + ve.getAirH());
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