s1(java)项目实战（固定资产管理）（op_EmployeeDialog ）

package op;

import java.awt.*;

import javax.swing.*;
import java.util.*;
import tools.*;
import java.awt.event.*;
import java.awt.*;

/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2007</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class EmployeeDialog extends JDialog {

JComboBox cmb_employeechoice = new JComboBox();
JButton btn_ok = new JButton();
JButton btn_cancle = new JButton();
private HashMap empMap = new HashMap();
DBConnection dcon = new DBConnection();
String id,mid;
JLabel jLabel1 = new JLabel();
JTextField txttime = new JTextField();
JLabel jLabel2 = new JLabel();
JTextArea tare_used = new JTextArea(3,10);
JLabel jLabel3 = new JLabel();
JTextArea tarea_mem = new JTextArea(3,10);
public EmployeeDialog(Frame owner, String title, boolean modal,String _id,String _mid) {
super(owner, title, modal);
try {
id = _id;
mid = _mid;
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
jbInit();
pack();
} catch (Exception exception) {
exception.printStackTrace();
}
}

public EmployeeDialog(String _id,String Managerid) {
this(new Frame(), "EmployeeDialog", false,_id,Managerid);
}

//chioce
private void initchoice() {
if (getEmployeeName() != null || getEmployeeName().length != 0) {
String[] s = getEmployeeName();
for (int i = 0; i < s.length; i++) {
cmb_employeechoice.addItem(s[i]);
}
}
}

private void jbInit() throws Exception {
initchoice();
this.getContentPane().setLayout(null);
btn_cancle.setText("取消");
jLabel1.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel1.setText("今天是");
jLabel1.setBounds(new Rectangle(14, 59, 53, 28));
txttime.setText(getToday());
txttime.setEditable(false);
txttime.setBounds(new Rectangle(78, 57, 106, 32));
jLabel2.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel2.setToolTipText("");
jLabel2.setText("用 途");
jLabel2.setBounds(new Rectangle(13, 96, 47, 24));
tare_used.setText("");
tare_used.setBounds(new Rectangle(78, 94, 146, 46));
cmb_employeechoice.setBounds(new Rectangle(68, 7, 134, 31));
jLabel3.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel3.setToolTipText("");
jLabel3.setText("备 注");
jLabel3.setBounds(new Rectangle(12, 142, 46, 27));
btn_ok.setBounds(new Rectangle(25, 214, 67, 32));
btn_cancle.setBounds(new Rectangle(144, 219, 67, 30));
this.getContentPane().setBackground(SystemColor.control);
this.getContentPane().add(jLabel3);
this.getContentPane().add(tarea_mem);
this.getContentPane().add(cmb_employeechoice);
this.getContentPane().add(btn_cancle);
this.getContentPane().add(btn_ok);
tarea_mem.setText("");
tarea_mem.setBounds(new Rectangle(77, 146, 146, 47));
this.getContentPane().add(jLabel2);
this.getContentPane().add(tare_used);
this.getContentPane().add(jLabel1);
this.getContentPane().add(txttime);
btn_ok.setText("确定");
this.setResizable(false);
btn_ok.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
drawAsset();
closeDialog();
}
});
btn_cancle.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
closeDialog();
}
});
}
private void drawAsset()
{

String used = "";
String mem="";
if(tare_used.getText().trim().length()!=0)
{
used = tare_used.getText().trim();
}else
{
used = "";
}
if(tarea_mem.getText().trim().length()!=0)
{
mem = tarea_mem.getText().trim();
}else
{
mem = "";
}
String managerid =getMid().trim();
dcon = new DBConnection();
String userid = getUserID(cmb_employeechoice.getSelectedItem().toString().trim());
String sql = "insert into Action (asset_id,action_time,manager_id,asset_use,remark) values ('";
sql+=id+"','";
sql+=txttime.getText().trim()+"','";
sql+=managerid+"','";
sql+=used+"','";
sql+=mem+"')";
dcon.update(3,sql);
sql = "update Asset set asset_user = '"+userid+"' where asset_id='"+id+"'";
dcon.update(1,sql);
JOptionPane.showMessageDialog(this,"编号为"+id+"借出");
}
//close
private void closeDialog()
{
this.dispose();
}
private String getMid()
{
dcon = new DBConnection();
String sql = "select manager_id,manager_username from Manager where manager_username='"+mid+"'";
Vector v = dcon.select(sql);
return ((Vector)v.get(0)).get(0).toString().trim();
}

//
private String[] getEmployeeName() {
dcon = new DBConnection();
String sql = "select employee_id,employee_name from Employee";
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;
empMap.put(name, id);
}
return s;
}
//get userID
private String getUserID(String name)
{
if(empMap.get(name) != null)
{
return empMap.get(name).toString().trim();
}else
{
return "";
}
}
//getToday
private String getToday(){
Calendar c = Calendar.getInstance();
int month = c.get(Calendar.MONTH) + 1;
int year = c.get(Calendar.YEAR);
int day = c.get(Calendar.DATE);
String sm;
String sd;
if (month < 10) {
sm = "0" + String.valueOf(month);
} else {
sm = String.valueOf(month);
}
if (day < 10) {
sd = "0" + String.valueOf(day);
} else {
sd = String.valueOf(day);
}
String StrTime = year + sm + sd;
return StrTime;
}
}