s1(java)项目实战（固定资产管理）（asset_AssetAdd ）

package asset;

import java.awt.*;

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

/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2007</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class AssetAdd extends JDialog {
JComboBox cmbfirst = new JComboBox();
JComboBox cmbsecond = new JComboBox();
JLabel jLabel1 = new JLabel();
JTextField txt_name = new JTextField();
JLabel jLabel2 = new JLabel();
JTextField txt_price = new JTextField();
JLabel jLabel3 = new JLabel();
JTextField txt_id = new JTextField();
JLabel jLabel4 = new JLabel();
JTextField txt_time = new JTextField();
JLabel jLabel5 = new JLabel();
JTextField txt_type = new JTextField();
JLabel jLabel6 = new JLabel();
JTextArea txt_mem = new JTextArea(4, 20);
JLabel jLabel7 = new JLabel();
JComboBox cmbStatus = new JComboBox();
JButton btn_ok = new JButton();
JButton btn_cancle = new JButton();
private DBConnection dcon = null;
private HashMap firstMap = new HashMap();
private HashMap secondMap = new HashMap();

public AssetAdd(Frame owner, String title, boolean modal) {
super(owner, title, modal);
try {
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
jbInit();
pack();
} catch (Exception exception) {
exception.printStackTrace();
}
}

public AssetAdd() {
this(new Frame(), "AssetAdd", false);
}

private void getcmbsecondlist() {
String[] s1;
if(cmbfirst.getSelectedItem() != null){
s1 = getSecondList(getFirstID(cmbfirst.getSelectedItem().
toString().trim()));
}else
{
s1 = new String[0];
}
if (s1 != null) {
cmbsecond.removeAllItems();
cmbsecond.removeItem("");
for (int i = 0; i < s1.length; i++) {
cmbsecond.addItem(s1[i]);
}
}
}

private void setAssetid() {
if (cmbsecond.getSelectedItem() != null) {
String s = cmbsecond.getSelectedItem().toString().trim();
txt_id.setText(getAssetID(s));

} else {
txt_id.setText("");
}
}

private void jbInit() throws Exception {
String[] s = getFirstList();
if (s != null || s.length!=0) {
cmbfirst.removeAllItems();
for (int i = 0; i < s.length; i++) {
cmbfirst.addItem(s[i]);
}
}
getcmbsecondlist();
cmbfirst.setEditable(false);
this.getContentPane().setLayout(null);
cmbfirst.setBounds(new Rectangle(43, 13, 84, 32));
jLabel2.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel2.setText("状态");
jLabel2.setBounds(new Rectangle(173, 128, 79, 27));
txt_price.setText("");
txt_price.setBounds(new Rectangle(210, 96, 81, 27));
jLabel3.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel3.setText("编号");
jLabel3.setBounds(new Rectangle(15, 59, 79, 27));
setAssetid();
txt_id.setBounds(new Rectangle(51, 60, 81, 27));
txt_id.setEditable(false);
jLabel4.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel4.setText("时间");
jLabel4.setBounds(new Rectangle(14, 135, 79, 27));
Calendar today = Calendar.getInstance();
int month = today.get(Calendar.MONTH) + 1;
int year = today.get(Calendar.YEAR);
int day = today.get(Calendar.DATE);
String monthStr;
String dayStr;
if (month < 10) {
monthStr = "0" + month;
} else {
monthStr = String.valueOf(month);
}
if (day < 10) {
dayStr = "0" + day;
} else {
dayStr = String.valueOf(day);
}
txt_time.setText(year + monthStr + dayStr);
txt_time.setEditable(false);
txt_time.setBounds(new Rectangle(51, 134, 81, 27));
jLabel5.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel5.setText("类型");
jLabel5.setBounds(new Rectangle(13, 94, 79, 27));
txt_type.setText("");
txt_type.setBounds(new Rectangle(51, 98, 81, 27));
jLabel6.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel6.setText("备注");
jLabel6.setBounds(new Rectangle(22, 176, 79, 27));
txt_mem.setText("");
txt_mem.setBounds(new Rectangle(61, 170, 252, 73));
txt_name.setBounds(new Rectangle(211, 60, 81, 27));
jLabel1.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel1.setText("名称");
jLabel1.setBounds(new Rectangle(174, 59, 79, 27));
String[] stutas = {"正常", "报废", "维修"};
cmbStatus.removeAllItems();
cmbStatus.addItem(stutas[0]);
cmbStatus.addItem(stutas[1]);
cmbStatus.addItem(stutas[2]);
cmbStatus.setBounds(new Rectangle(211, 134, 84, 28));
btn_ok.setBounds(new Rectangle(56, 254, 95, 33));
btn_ok.setText("确定");
btn_cancle.setBounds(new Rectangle(176, 254, 85, 32));
btn_cancle.setText("取消");
this.getContentPane().add(cmbfirst);
jLabel7.setFont(new java.awt.Font("宋体", Font.BOLD, 13));
jLabel7.setText("单价");
jLabel7.setBounds(new Rectangle(174, 91, 79, 27));
cmbsecond.setEditable(false);
cmbStatus.setEditable(false);
this.getContentPane().add(cmbsecond);
this.getContentPane().add(txt_type);
this.getContentPane().add(txt_name);
this.getContentPane().add(jLabel1);
this.getContentPane().add(jLabel3);
this.getContentPane().add(txt_id);
this.getContentPane().add(jLabel5);
this.getContentPane().add(jLabel4);
this.getContentPane().add(jLabel6);
this.getContentPane().add(txt_mem);
this.getContentPane().add(jLabel7);
this.getContentPane().add(jLabel2);
this.getContentPane().add(txt_time);
this.getContentPane().add(txt_price);
this.getContentPane().add(cmbStatus);
this.getContentPane().add(btn_cancle);
this.getContentPane().add(btn_ok);
this.setResizable(false);
cmbsecond.setBounds(new Rectangle(164, 13, 106, 32));
btn_cancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
closeDialog();
}
});
cmbfirst.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
getcmbsecondlist();
setAssetid();
}
});
cmbsecond.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
setAssetid();
}
});
btn_ok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
addAsset();

}
});
}

private void addAsset() {
if (txt_id.getText().trim().length() == 0) {
JOptionPane.showMessageDialog(this, "编号不能为空");
} else if (txt_name.getText().trim().length() == 0) {
JOptionPane.showMessageDialog(this, "名称不能为空");
} else if (txt_type.getText().trim().length() == 0) {
JOptionPane.showMessageDialog(this, "型号不能为空");
} else if (txt_price.getText().trim().length() == 0) {
JOptionPane.showMessageDialog(this, "不能为空");
} else if (!priceIsRight(txt_price.getText().trim())) {} else {
dcon = new DBConnection();
String mem;
if (txt_mem.getText().trim().length() == 0) {
mem = "";
} else {
mem = txt_mem.getText().trim();
}
String sql = "insert into Asset (asset_id,asset_name,asset_type,asset_price,asset_buytime,asset_status,asset_user,remark,childkind_id) values ('";
sql += txt_id.getText().trim() + "','";
sql += txt_name.getText().trim() + "','";
sql += txt_type.getText().trim() + "','";
sql += txt_price.getText().trim() + "','";
sql += txt_time.getText().trim() + "','";
sql += cmbStatus.getSelectedItem().toString().trim() + "','";
sql += "" + "','";
sql += mem + "','";
sql += getSecondID(cmbsecond.getSelectedItem().toString().trim()).
trim() + "')";
JOptionPane.showMessageDialog(this, dcon.update(3, sql));
closeDialog();
}
}

//price is right
private boolean priceIsRight(String price) {
for (int i = 0; i < price.trim().length(); i++) {
if (!Character.isDigit(price.charAt(i))) {
JOptionPane.showMessageDialog(this, "金额不能怎么能有字符呢");
return false;
}
}
if (Integer.parseInt(price) < 2000) {
JOptionPane.showMessageDialog(this, "金额不能小于2000");
return false;
}
return true;
}

//close
private void closeDialog() {
this.dispose();
}

//get first list
private String[] getFirstList() {
dcon = new DBConnection();
String sql = "select fatherkind_id,fatherkind_name from (select childkind.fatherkind_id,fatherkind.fatherkind_name from childkind ,fatherkind where(childkind.fatherkind_id = fatherkind.fatherKind_id) ) as a group by fatherkind_id ,fatherkind_name";
Vector v = dcon.select(sql);
String FirstStr[] = new String[v.size()];
for (int i = 0; i < v.size(); i++) {
String value = ((Vector) v.get(i)).get(0).toString().trim();
FirstStr[i] = ((Vector) v.get(i)).get(1).toString().trim();
firstMap.put(FirstStr[i], value);
}
return FirstStr;
}

//first name _> firstid
private String getFirstID(String values) {
return ((String) (firstMap.get(values))).trim();
}

//get Second list
private String[] getSecondList(String fatherid) {
dcon = new DBConnection();
String sql =
"Select childkind_id,childkind_name from ChildKind where fatherkind_id='" +
fatherid + "'";
Vector v = dcon.select(sql);
String Second[] = new String[v.size() + 1];
for (int i = 0; i < v.size(); i++) {
String value = ((Vector) v.get(i)).get(0).toString().trim();
Second[i] = ((Vector) v.get(i)).get(1).toString().trim();
secondMap.put(Second[i], value);
}
return Second;
}

//second name _> firstid
private String getSecondID(String id) {
return ((String) (secondMap.get(id))).trim();
}

//get id
private String getAssetID(String name) {
String topid = getSecondID(name);
dcon = new DBConnection();
Vector v = dcon.select(
"select asset_id from Asset where childkind_id = '" +
topid + "' order by childkind_id asc");
if (v.size() == 0) {
return topid + "001";
}
int autoID = 1;
for (int i = 0; i < v.size(); i++) {
String s = ((Vector) v.get(i)).get(0).toString().trim();
String Temp;
if (autoID < 10) {
Temp = (topid).trim() + "00" + autoID;
} else if (autoID < 100) {
Temp = (topid).trim() + "0" + autoID;
} else {
Temp = (topid).trim() + autoID;
}
if (!Temp.equals(s)) {
return Temp;
}
autoID++;
}
if (v.size() < 10) {
return topid + "00" + (v.size() + 1);
} else if (v.size() < 100) {
return topid + "0" + (v.size() + 1);
} else {
return topid + (v.size() + 1);
}
}
}