jtable列表自适应大小

转载：http://blog.chinaunix.net/uid-20771867-id-83272.html

• public void FitTableColumns(JTable myTable) {   
•          JTableHeader header = myTable.getTableHeader();   
•         int rowCount = myTable.getRowCount();   
•   
•          Enumeration columns = myTable.getColumnModel().getColumns();   
•         while (columns.hasMoreElements()) {   
•              TableColumn column = (TableColumn) columns.nextElement();   
•             int col = header.getColumnModel().getColumnIndex(column.getIdentifier());   
•             int width = (int) myTable.getTableHeader().getDefaultRenderer()   
•                      .getTableCellRendererComponent(myTable, column.getIdentifier(), false, false,   
•                              -1, col).getPreferredSize().getWidth();   
•             for (int row = 0; row < rowCount; row++) {   
•                 int preferedWidth = (int) myTable.getCellRenderer(row, col)   
•                          .getTableCellRendererComponent(myTable, myTable.getValueAt(row, col),   
•                                 false, false, row, col).getPreferredSize().getWidth();   
•                  width = Math.max(width, preferedWidth);   
•              }   
•              header.setResizingColumn(column); // 此行很重要   
•              column.setWidth(width + myTable.getIntercellSpacing().width);   
•          }   
•      }