sitinspring original, reprint please indicate the author and source.
JTable is a very commonly used control in Swing programming, here is a summary of some common methods for reference. Welcome to add, reprint please indicate the author and source
. Method :
1) Call the no-argument constructor .
JTable table =
new
JTable();
2) Create a table with header and table data .
Object[][] cellData =
{{"row1-col1", "row1-col2"},{"row2-col1", "row2-col2"}}
;
String[] columnNames =
{"col1", "col2"}
;
JTable table =
new
JTable(cellData, columnNames);
3) Create a table with the header and table data, and make the table cells immutable .
String[] headers =
{ "表头一", "表头二", "表头三" }
;
Object[][] cellData =
null
;
DefaultTableModel model =
new
DefaultTableModel(cellData, headers)
{
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
public boolean isCellEditable(int row, int column) {
return false;
}
}
;
table =
new
JTable(model);
2. Control of table columns
1) Set the column to not automatically adjust the width with the size of the container component.
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
2) Limit the width of a column.
TableColumn firsetColumn = table.getColumnModel (). GetColumn (0);
firsetColumn.setPreferredWidth (30);
firsetColumn.setMaxWidth (30);
firsetColumn.setMinWidth (30);
3) Set the current number of columns.
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
int
count=5;
tableModel.setColumnCount(count);
4) Get the number of table columns
int
cols = table.getColumnCount();
5) Add column
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
tableModel.addColumn("新列名");
6) delete column
table.removeColumn(table.getColumnModel().getColumn(columnIndex));
//
columnIndex is the serial number of the column to be removed
3. Control of table rows
1) Set row height
table.setRowHeight(20);
2) Set the current flight number
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
int n=5;
tableModel.setRowCount(n);
3) 取得表格行数
int rows = table.getRowCount();
4) 添加表格行
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
tableModel.addRow(
new Object[]
{"sitinspring", "35", "Boss"});
5) 删除表格行
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
model.removeRow(rowIndex);
//
rowIndex是要删除的行序号
四.存取表格单元格的数据
1) 取单元格数据
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
String cellValue=(String) tableModel.getValueAt(row, column);
//
取单元格数据,row是行号,column是列号
2) 填充数据到表格.
注:数据是Member类型的链表,Member类如下:
public
class Member
{
// 名称
private String name;
// 年龄
private String age;
// 职务
private String title;
}
填充数据的代码 :
public
void fillTable(List<Member> members)
{
DefaultTableModel tableModel = (DefaultTableModel) table
.getModel();
tableModel.setRowCount(0);// 清除原有行
// 填充数据
for(Member member:members){
String[] arr=new String[3];
arr[0]=member.getName();
arr[1]=member.getAge();
arr[2]=member.getTitle();
// 添加数据到表格
tableModel.addRow(arr);
}
// 更新表格
table.invalidate();
}
2) 取得表格中的数据
public List<Member> getShowMembers()
{
List<Member> members=new ArrayList<Member>();
DefaultTableModel tableModel = (DefaultTableModel) table
.getModel();
int rowCount=tableModel.getRowCount();
for(int i=0;i<rowCount;i++){
Member member=new Member();
member.setName((String)tableModel.getValueAt(i, 0));// 取得第i行第一列的数据
member.setAge((String)tableModel.getValueAt(i, 1));// 取得第i行第二列的数据
member.setTitle((String)tableModel.getValueAt(i, 2));// 取得第i行第三列的数据
members.add(member);
}
return members;
}
五.取得用户所选的行
1) 取得用户所选的单行
int selectRows=table.getSelectedRows().length;
//
取得用户所选行的行数
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
if(selectRows==1)
{
int selectedRowIndex = table.getSelectedRow(); // 取得用户所选单行
.// 进行相关处理
}
2) 取得用户所选的多行
int selectRows=table.getSelectedRows().length;
//
取得用户所选行的行数
DefaultTableModel tableModel = (DefaultTableModel) table.getModel();
if(selectRows>1)
int[] selRowIndexs=table.getSelectedRows();
//
用户所选行的序列
for(
int i=0;i<selRowIndexs.length;i++)
{
// 用tableModel.getValueAt(row, column)取单元格数据
String cellValue=(String) tableModel.getValueAt(i, 1);
}
}
六.添加表格的事件处理
view.getTable().addMouseListener(
new MouseListener()
{
public void mousePressed(MouseEvent e) {
// 鼠标按下时的处理
}
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
public void mouseReleased(MouseEvent e) {
// 鼠标松开时的处理
}
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
public void mouseEntered(MouseEvent e) {
// 鼠标进入表格时的处理
}
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
public void mouseExited(MouseEvent e) {
// 鼠标退出表格时的处理
}
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
public void mouseClicked(MouseEvent e) {
// 鼠标点击时的处理
}
});
JTable is a very commonly used control in Swing programming, here is a summary of some common methods for reference. Welcome to add, reprint please indicate the author and source
. Method :
1) Call the no-argument constructor .
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
2) Create a table with header and table data .
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
3) Create a table with the header and table data, and make the table cells immutable .
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
2. Control of table columns
1) Set the column to not automatically adjust the width with the size of the container component.
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
2) Limit the width of a column.
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
3) Set the current number of columns.
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
4) Get the number of table columns
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
5) Add column
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
6) delete column
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
3. Control of table rows
1) Set row height
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
2) Set the current flight number
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
3) 取得表格行数
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
4) 添加表格行
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
5) 删除表格行
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
四.存取表格单元格的数据
1) 取单元格数据
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
2) 填充数据到表格.
注:数据是Member类型的链表,Member类如下:
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
填充数据的代码 :
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
2) 取得表格中的数据
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
五.取得用户所选的行
1) 取得用户所选的单行
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/dot.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
2) 取得用户所选的多行
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/None.gif)
六.添加表格的事件处理
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](http://www.blogjava.net/Images/OutliningIndicators/ExpandedBlockEnd.gif)