JTable如何在插入刪除或更新數(shù)據(jù)后刷新表模型。這是我的jTableprivate JTable getJTable() {
String[] colName = { "Name", "Email", "Contact No. 1", "Contact No. 2",
"Group", "" };
if (jTable == null) {
jTable = new JTable() {
public boolean isCellEditable(int nRow, int nCol) {
return false;
}
};
}
DefaultTableModel contactTableModel = (DefaultTableModel) jTable .getModel();
contactTableModel.setColumnIdentifiers(colName);
jTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
return jTable;}我將調(diào)用此方法從數(shù)據(jù)庫中檢索數(shù)據(jù)并將其放入表模型中public void setUpTableData() {
DefaultTableModel tableModel = (DefaultTableModel) jTable.getModel();
ArrayList<Contact> list = new ArrayList<Contact>();
if (!con.equals(""))
list = sql.getContactListsByGroup(con);
else
list = sql.getContactLists();
for (int i = 0; i < list.size(); i++) {
String[] data = new String[7];
data[0] = list.get(i).getName();
data[1] = list.get(i).getEmail();
data[2] = list.get(i).getPhone1();
data[3] = list.get(i).getPhone2();
data[4] = list.get(i).getGroup();
data[5] = list.get(i).getId();
tableModel.addRow(data);
}
jTable.setModel(tableModel);}目前我在更新表數(shù)據(jù)后使用此方法刷新表。我先清理一下表格DefaultTableModel tableModel = (DefaultTableModel) jTable.getModel();tableModel.setRowCount(0);然后再次重組表模型，以便刷新jTable。但我在想是否有最好的做法或更好的方法呢？
3 回答
搖曳的薔薇
TA貢獻(xiàn)1793條經(jīng)驗(yàn) 獲得超6個(gè)贊
更快的方法是：
jTable.repaint(); // Repaint all the component (all Cells).
當(dāng)一個(gè)或幾個(gè)細(xì)胞改變時(shí)的優(yōu)化方式：
((AbstractTableModel) jTable.getModel()).fireTableCellUpdated(x, 0); // Repaint one cell.
Helenr
TA貢獻(xiàn)1780條經(jīng)驗(yàn) 獲得超4個(gè)贊
試試這個(gè)
public void setUpTableData() {
DefaultTableModel tableModel = (DefaultTableModel) jTable.getModel();
/**
* additional code.
**/
tableModel.setRowCount(0);
/**/
ArrayList<Contact> list = new ArrayList<Contact>();
if (!con.equals(""))
list = sql.getContactListsByGroup(con);
else
list = sql.getContactLists();
for (int i = 0; i < list.size(); i++) {
String[] data = new String[7];
data[0] = list.get(i).getName();
data[1] = list.get(i).getEmail();
data[2] = list.get(i).getPhone1();
data[3] = list.get(i).getPhone2();
data[4] = list.get(i).getGroup();
data[5] = list.get(i).getId();
tableModel.addRow(data);
}
jTable.setModel(tableModel);
/**
* additional code.
**/
tableModel.fireTableDataChanged();
/**/}添加回答
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