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我想当我单击某个JTable在标签中更改的文本上的单元格时JFrame。我写下面的代码；但是当我点击时，组件的位置被破坏了，我看到了一个重新排列的 gui。我在日志文件中也没有任何异常！

JTable鼠标侦听器的代码部分： ( xis a JTable)

x.addMouseListener(new MouseListener() {

    @Override
    public void mouseClicked(MouseEvent e) {

        try {
            String temp = (String) model.getValueAt(x.getSelectedRow(), 0);
            Class.forName(Configure.driver);
            Connection con = DriverManager.getConnection(Configure.url
                + Configure.dbName, Configure.userName, Configure.password);

            java.sql.PreparedStatement prs2 = con.prepareStatement(
                "select count(*) as tedad from messages where receiver=?");

            prs2.setString(1, temp);
            temppResultSet = prs2.executeQuery();
            if (temppResultSet.next()) {

                int RecNum = temppResultSet.getInt("tedad");
                System.out.print("RECEIVED NUM: " + RecNum);

                numberOfMessageReceiveByuser.setText("dsdsdsaf");//LABEL NAME
            }
        } catch (Exception ex) {
            Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
        }

    //throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void mousePressed(MouseEvent e) {
        //throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void mouseReleased(MouseEvent e) {
        //throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void mouseEntered(MouseEvent e) {
        //throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public void mouseExited(MouseEvent e) {
        // throw new UnsupportedOperationException("Not supported yet.");
    }
});
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1 回答 1

0

问题解决了。我静态设置了我的组件的所有位置（不是使用布局管理器）。当您想静态设置位置时，您应该使用 .setLayout(null) 将组件布局设置为 null，这是我忘记做的手指注释！

于 2012-08-16T21:57:53.017 回答