一些基础的关于java jdbc的程序代码
public void setValues(Object[][] obj) {
this.tm.setDatavalues(obj);
}
public void selectAll() {
List<Country> list = CountryOperate.queryFirst();
Object[][] datavalues = new Object[list.size()][5];
for (int i = 0; i < list.size(); i++) {
Country co = list.get(i);
datavalues[i][0] = co.getName();
datavalues[i][1] = co.getRegion();
datavalues[i][2] = co.getArea();
datavalues[i][3] = co.getRegion();
datavalues[i][4] = co.getGdp();
}
tm = new TableModel();
this.setValues(datavalues);
table = new JTable(tm);
table.updateUI();
JScrollPane jsp = new JScrollPane(table);
jsp.setBounds(0, 200, 600, 182);
jContentPane.add(jsp);
}
public void selectDownPage() {
List<Country> list = CountryOperate.downPage();
if (list != null) {
Object[][] datavalues = new Object[list.size()][5];
for (int i = 0; i < list.size(); i++) {
Country co = list.get(i);
datavalues[i][0] = co.getName();
datavalues[i][1] = co.getRegion();
datavalues[i][2] = co.getArea();
datavalues[i][3] = co.getRegion();
datavalues[i][4] = co.getGdp();
}
this.setValues(datavalues);
table.updateUI();
} else {
JOptionPane.showMessageDialog(jFrame, "已经是最后一页");
}
}