s1(java)项目实战（固定资产管理）（quary_employee ）

package quary;

import tools.Mytable;
import tools.DBConnection;
import java.util.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
import op.*;

public class employee extends JPanel {
private JButton btn_mx = new JButton();
private JScrollPane jScrollPane1 = new JScrollPane();
private DBConnection dcon = null;
private JTable table;
private Mytable model;
private String tempID = "";
HashMap hashmap = new HashMap();
private String user = "";
JTabbedPane jTabbedPane1 = new JTabbedPane();
JComboBox cbmkind;
JButton btn_return = new JButton();
public employee() {
try {
jbInit();
} catch (Exception ex) {
ex.printStackTrace();
}
}

private void jbInit() throws Exception {
model = new Mytable(4);
model.setTitle(getTitle());
if (getKindsList() != null) {
cbmkind = new JComboBox(getKindsList());
if (cbmkind.getSelectedItem() != null) {
model.setContent(getContents(cbmkind.getSelectedItem().toString().
trim()));
} else {
model.setContent(getContents(""));
}

}

table = new JTable(model);
table.setRowSelectionAllowed(false);
this.setLayout(null);
btn_mx.setBounds(new Rectangle(229, 22, 92, 32));
btn_mx.setToolTipText("");
btn_mx.setText("详细情况");

jScrollPane1.setBounds(new Rectangle(15, 71, 477, 223));
jTabbedPane1.setBounds(new Rectangle( -44, 86, 5, 5));
cbmkind.setBounds(new Rectangle(42, 21, 148, 33));
btn_return.setBounds(new Rectangle(359, 22, 90, 31));
btn_return.setText("返回");
this.add(jScrollPane1);
this.add(jTabbedPane1);
this.add(cbmkind);
this.add(btn_mx);
this.add(btn_return);
this.setSize(500, 400);
jScrollPane1.getViewport().add(table);
//行选择编号改变
table.addMouseListener(new MouseListener() {
public void mouseClicked(MouseEvent e) {
if (table.getSelectedRow() != -1 &&
table.getSelectedColumn() != -1) {
tempID = table.getValueAt(table.getSelectedRow(), 0).
toString();
} else {
tempID = "";
}
}

public void mousePressed(MouseEvent e) {
}

public void mouseReleased(MouseEvent e) {
}

public void mouseEntered(MouseEvent e) {
}

public void mouseExited(MouseEvent e) {
}
});
btn_mx.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(tempID.trim().length()!=0)
{
mxCard();
}else
{
JOptionPane.showMessageDialog(jScrollPane1,"请选择要操作的编号");
}
}
});
btn_return.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
returnQuary();
}
});
cbmkind.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {

choice();

}
});
}
//mxCard
private void mxCard()
{
AssetReturn ar = new AssetReturn(cbmkind.getSelectedItem().toString().
trim(), tempID,
getID(cbmkind.getSelectedItem().
toString().
trim()));
Dimension frmsize = getSize();
Point loc = getLocation();
ar.setLocation((frmsize.width - ar.WIDTH) / 2 + loc.x,
(frmsize.height - ar.HEIGHT) / 2 + loc.y);
ar.setSize(350, 450);
ar.hiden();
ar.setModal(true);
ar.setVisible(true);

}
//changed
private void choice() {
model.setContent(getContents(cbmkind.getSelectedItem().toString().
trim()));
table.updateUI();
this.updateUI();
}

private String[] getKindsList() {
dcon = new DBConnection();
String sql = "select a.Asset_user,b.employee_name from asset as a, employee as b where(a.Asset_user = b.employee_id) group by a.Asset_user,b.employee_name";
Vector v = dcon.select(sql);
int count = v.size();
String[] s = new String[count];
for (int i = 0; i < count; i++) {
String id = ((Vector) v.get(i)).get(0).toString().trim();
String name = ((Vector) v.get(i)).get(1).toString().trim();
s[i] = name;
hashmap.put(name,id);
}
return s;
}
//getid
private String getID(String name)
{
return hashmap.get(name).toString().trim();
}

//return Quarry
private void returnQuary() {
this.removeAll();
quary q = new quary();
this.add(q);
this.updateUI();
}

//获取表格的列表
private String[] getTitle() {

dcon = new DBConnection();
String sql = "select a.asset_id as 编号, a.asset_name as 名称,a.asset_type as 类型,a.asset_price as 单价,a.asset_buytime as 购买时间,a.asset_status as 状态,b.employee_name as 用户,a.remark as 备注,a.childkind_id as 科目 from asset as a left join employee as b on a.asset_user = b.employee_id order by a.asset_id asc ";
return dcon.getColumnname(sql);
}

//获取表格的内容
private Vector getContents(String name) {
dcon = new DBConnection();
String sql = "select a.asset_id as 编号, a.asset_name as 名称,a.asset_type as 类型,a.asset_price as 单价,a.asset_buytime as 购买时间,a.asset_status as 状态,b.employee_name as 用户,a.remark as 备注,a.childkind_id as 科目 from asset as a left join employee as b on a.asset_user = b.employee_id where b.employee_name = '"+name+"' order by a.asset_id asc ";
return dcon.select(sql);
}

}