java JTable中的多列排序
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Multiple column sort in JTable
提问by Chris Jester-Young
I know that JTablecan sort by a single column. But is it possible to allow for multiple column sort or do I need to write the code myself?
我知道JTable可以按单列排序。但是是否可以允许多列排序还是我需要自己编写代码？
回答by Chris Jester-Young
回答by Joshua
You should be able to set the TableRowSorter and the Comparator associated with it. Example:
您应该能够设置 TableRowSorter 和与之关联的 Comparator。例子：
TableModel myModel = createMyTableModel();
JTable table = new JTable(myModel);
TableRowSorter t = new TableRowSorter(myModel);
t.setComparator(column that the comparator works against, Comparator<?> comparator);
table.setRowSorter(new TableRowSorter(myModel));
回答by David Koelle
回答by David Koelle
ETable from the netbeans collection.
It is part of org-netbeans-swing-outline.jar
A google search aught to turn it up.
The ETable is primarily a foundation for Outline (a TreeTable) but it has multi-column ordering built in as well as many other nice features
来自 netbeans 集合的 ETable。
它是 org-netbeans-swing-outline.jar
的一部分 谷歌搜索可以打开它。ETable 主要是 Outline（一个 TreeTable）的基础，但它具有内置的多列排序以及许多其他不错的功能
回答by Ram Dutt Shukla
"I know that Jtable can sort by a single column. But is it possible to allow for multiple column sort or do i need to write the code myself? "
“我知道 Jtable 可以按单列排序。但是是否可以允许多列排序或者我需要自己编写代码？”
Table sorting and filtering is managed by a sorter object. The easiest way to provide a sorter object is to set autoCreateRowSorter bound property to true;
表排序和过滤由排序器对象管理。提供排序器对象的最简单方法是将 autoCreateRowSorter 绑定属性设置为 true；
JTable table = new JTable();
table.setAutoCreateRowSorter(true);
This action defines a row sorter that is an instance of javax.swing.table.TableRowSorter.
此操作定义了一个行排序器，它是 javax.swing.table.TableRowSorter 的一个实例。
