jtable列表自适应大小

1. public void FitTableColumns(JTable myTable) {   
2.          JTableHeader header = myTable.getTableHeader();   
3.         int rowCount = myTable.getRowCount();   
4.   
5.          Enumeration columns = myTable.getColumnModel().getColumns();   
6.         while (columns.hasMoreElements()) {   
7.              TableColumn column = (TableColumn) columns.nextElement();   
8.             int col = header.getColumnModel().getColumnIndex(column.getIdentifier());   
9.             int width = (int) myTable.getTableHeader().getDefaultRenderer()   
10.                      .getTableCellRendererComponent(myTable, column.getIdentifier(), false, false,   
11.                              -1, col).getPreferredSize().getWidth();   
12.             for (int row = 0; row < rowCount; row++) {   
13.                 int preferedWidth = (int) myTable.getCellRenderer(row, col)   
14.                          .getTableCellRendererComponent(myTable, myTable.getValueAt(row, col),   
15.                                 false, false, row, col).getPreferredSize().getWidth();   
16.                  width = Math.max(width, preferedWidth);   
17.              }   
18.              header.setResizingColumn(column); // 此行很重要   
19.              column.setWidth(width + myTable.getIntercellSpacing().width);   
20.          }   
21.      }  

转自：http://hi.baidu.com/94599692/blog/item/636f622a5c26d992033bf63b.html