Java连接数据库增删改查(9)

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");

}

}

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