JTABLE

    private void initializeTable()
    {
        int i, tWidth = 0;
        TableColumn tc;

        for(i = 0; i < colnames.length; i++)
        {
            tbm_Inqr_Teml_Num.addColumn(colnames[i]);
        }
        for(i = 0; i < colnames.length; i++)
        {
            tc = tbl_Inqr_Teml_Num.getColumn(colnames[i]);
            // tc.setMinWidth(colwidth[i]);
            tc.setPreferredWidth(colwidth[i]);//设置列宽参数
           
            tWidth += colwidth[i];      
        }
        tbl_Inqr_Teml_Num.setPreferredScrollableViewportSize(new Dimension(tWidth + 10,
                290));

       
//        tbl_Inqr_Teml_Num.setBorder(BorderFactory.createEtchedBorder());
        tbl_Inqr_Teml_Num.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);//设置表格调整尺寸模式 ,  如果 autoResizeMode 设置为 AUTO_RESIZE_OFF，则返回 false，这指示表的宽度不是由视口的宽度所决定的。

       
        tbl_Inqr_Teml_Num.setRowSelectionAllowed(true);
        tbl_Inqr_Teml_Num.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        scrollPanel.setPreferredSize(new Dimension(490, 390));
    }