private void showEduFw() {
		content = null;
		head = null;

		Object fb = logic.showEduFwHead();
		if (fb instanceof Feedback) {
			JOptionPane.showMessageDialog(null, ((Feedback) fb).getContent());
		} else if (fb instanceof String[]) {
			head = (String[]) fb;
			fb = logic.showEduFwContent();
			if ((fb instanceof Feedback) && fb != Feedback.LIST_EMPTY) {
				JOptionPane.showMessageDialog(null,
						((Feedback) fb).getContent());
			} else if (fb instanceof String[][]) {
				content = (String[][]) fb;
			}
		}
		if (content == null) {
			fBtn[0].setEnabled(true);
			fBtn[1].setEnabled(true);
			fBtn[2].setEnabled(false);
			DefaultTableModel dtm1 = new DefaultTableModel(1, 1);
			dtm1.setValueAt("教学框架策略未提交。", 0, 0);
			table1 = new CommonTable(dtm1);
			table1.setEnabled(false);
			js1.setViewportView(table1);
			cl.show(cardp, "1");
		} else {
			fBtn[0].setEnabled(false);
			fBtn[1].setEnabled(false);
			fBtn[2].setEnabled(true);
			map = new EduFrameworkMap(content);
			dtm = new DefaultTableModel(content.length, head.length);
			table2 = new CTable(map, dtm);
			dtm.setColumnIdentifiers(head);
			for (int i = 0; i < content.length; i++) {
				for (int j = 0; j < content[i].length; j++) {
					if (content[i][j].contains("null-null")) {
						content[i][j] = content[i][j].replaceAll("null-null",
								"");
					}
					dtm.setValueAt(content[i][j], i, j);
				}
			}
			table2.setEnabled(false);
			js2.setViewportView(table2);
			cl.show(cardp, "2");
		}

		this.repaint();
		this.validate();
	}