请问宽度设为零怎么设?我用了下面的语句不管用啊。private String[] columnNames={"序号","日期","计划"};
private MyTableModel tm=new DefaultTableModel(columnNames,0);
private DefaultListSelectionModel sm=new DefaultListSelectionModel();dataTable.setModel(tm);
dataTable.setSelectionModel(sm);
dataTable.getColumn(columnNames[0]).setWidth(0); //这一行就是设置宽度为零,对吗?
private MyTableModel tm=new DefaultTableModel(columnNames,0);
private DefaultListSelectionModel sm=new DefaultListSelectionModel();dataTable.setModel(tm);
dataTable.setSelectionModel(sm);
dataTable.getColumn(columnNames[0]).setWidth(0); //这一行就是设置宽度为零,对吗?
解决方案 »
- struts里html:form标签报错
- Myeclipse装不上了,跪求答案
- 平台型系统以后发展如何
- hibernate map 映射,key和value只能是一对一吗,一个key对应多个value怎么办?
- 经典数据库操作能力应运题
- 我在NETBEANS5.5中调试,错误如下,怎么解决
- 用MyEclipse导入package包时总是出错怎么回事?
- 请教:我们的系统是否需要采用EJB方式
- 向大家请教个OPTION的问题
- 如何编写EJB的客户端程序?
- 散100分,庆祝自己的spring已经入门!希望大家能进来谈谈对目前的几种开源的框架的看法,比如struts有什么不足的地方.要用自己的语言.
- 请教:直接双击带有applet的页面可以运行,但是通过tomcat访问却不能运行!(100分)
dataTable.getColumnModel().getColumn(0).setMaxWidth(0);
dataTable.getColumnModel().getColumn(0).setMinWidth(0);
dataTable.getTableHeader().getColumnModel().getColumn(0).setMaxWidth(0);
dataTable.getTableHeader().getColumnModel().getColumn(0).setMinWidth(0);第二种方法:
显示名称数组中不添加ID名称,但数据数组有ID数据。如以下代码:
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;import java.awt.event.*;
import java.awt.event.*;
import java.awt.*;public class TableHideColumn
implements ListSelectionListener {
JTable tableView;
public TableHideColumn() {
JFrame frame = new JFrame("Table");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}); // We specify only 2 column names, the last one is hidden
final String[] names = {
"First Name", "Last Name"};
final Object[][] data = {
{
"Mark", "Andrews", new Integer(1)}, {
"Tom", "Ball", new Integer(2)}, {
"Alan", "Chung", new Integer(3)},
}; TableModel dataModel = new AbstractTableModel() {
public int getColumnCount() {
return names.length;
} public int getRowCount() {
return data.length;
} public Object getValueAt(int row, int col) {
return data[row][col];
} public String getColumnName(int column) {
return names[column];
} public Class getColumnClass(int col) {
return getValueAt(0, col).getClass();
} public void setValueAt(Object aValue, int row, int column) {
data[row][column] = aValue;
}
}; tableView = new JTable(dataModel); ListSelectionModel listMod = tableView.getSelectionModel();
listMod.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
listMod.addListSelectionListener(this); JScrollPane scrollpane = new JScrollPane(tableView);
scrollpane.setPreferredSize(new Dimension(300, 300));
frame.getContentPane().add(scrollpane);
frame.pack();
frame.setVisible(true);
} public void valueChanged(ListSelectionEvent e) {
int maxRows;
int[] selRows;
Object value; if (!e.getValueIsAdjusting()) {
selRows = tableView.getSelectedRows(); if (selRows.length > 0) {
for (int i = 0; i < 3; i++) {
// get Table data
TableModel tm = tableView.getModel();
value = tm.getValueAt(selRows[0], i);
System.out.print(value + " ");
}
System.out.println();
}
}
} public static void main(String[] args) {
new TableHideColumn();
}
}
TableColumnModel getColumnModel():
Returns the TableColumnModel that contains all column information of this table. 然后TableColumnModel类:
void addColumn(TableColumn aColumn):
Appends aColumn to the end of the tableColumns array
void removeColumn(TableColumn column):
Deletes the column from the tableColumns array
col.setMinWidth(0);
tb.getTableHeader().getColumnModel().getColumn(0).setMaxWidth(0);
tb.getTableHeader().getColumnModel().getColumn(0).setMinWidth(0);//tb是表格控件的名字