MIS系统(JAVA+MySQL)
本MIS系统于2012年6月11日完成，历时两天。功能是模拟完成地铁站的售票
这次MIS系统的制作对个人的帮助还是很大的。对一个大型的工程项目有了一个初步的了解，另外对于软件的设计也有了进一步的认识。（差劲的设计对于二次开发简直就是噩梦，先前改过一个MIS的代码，太痛苦了。我的设计还是挺好的，至少在补充功能的时候没有对代码进行很大的改动，而只是在相应的地方增加了相应的代码）
MySQL部分：
这里只给出一部分SQL语句了
drop table trainsys;
CREATE TABLE trainsys (
name VARCHAR(30) NOT NULL,
password VARCHAR(32) NOT NULL,
balance INT NOT NULL
);
CREATE TABLE road (
id INT AUTO_INCREMENT PRIMARY KEY,
station VARCHAR(10) NOT NULL,
region INT NOT NULL
);
CREATE TABLE recoder (
name VARCHAR(30) NOT NULL,
date DATE NOT NULL
);
set names gbk;
INSERT INTO trainsys(name,password,balance) VALUES ('white',1,100);
INSERT INTO road(station,region) VALUES ('上海南站',1);
INSERT INTO road(station,region) VALUES ('徐家汇',3);
INSERT INTO recoder(name,date) VALUES ('white', '2010-03-03');
对于整个MIS系统来说，首先是个主界面，我这里用TrainFrame.java命名
package com.white;
import com.white.dao.*;
import com.white.login.*;
import com.white.others.*;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class TrainFrame {
private static JFrame frame;
private static JPanel panel1, panel2, panel3;
private static JLabel label;
private static int price;
public TrainFrame() {
//
}
public TrainFrame(int price) {
this.price = price;
}
public static void showFrame(boolean flag) {
frame = new JFrame("上海地铁系统");
frame.getContentPane().setLayout(new BorderLayout());
frame.setBackground(Color.WHITE);
panel1 = new JPanel(new GridLayout(1, 10, 2, 0));
panel2 = new JPanel(new GridLayout(1, 2, 10, 0));
panel3 = new JPanel(new GridLayout(2, 1, 0, 10));
ImageIcon img = new ImageIcon("train.jpg");
label = new JLabel(img);
frame.add(label);
JButton button[] = new JButton[11];
Font wordStyle = new Font("微软雅黑", 1, 10);
for(int i = 1; i <= 10; i++) {
button[i] = new JButton("地铁" + i + "号线");
button[i].setFont(wordStyle);
button[i].setEnabled(flag);
button[i].addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
TrainSelectFrame tsFrame = new TrainSelectFrame();
frame.dispose();
tsFrame.showFrame();
}
});
panel1.add(button[i]);
}
frame.add(panel1, BorderLayout.SOUTH);
JButton bAddMoney = new JButton("充值");
bAddMoney.setFont(wordStyle);
bAddMoney.setEnabled(flag);
bAddMoney.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
AddMoneyFrame amFrame = new AddMoneyFrame();
frame.dispose();
amFrame.showFrame();
}
});
final JButton bLogin;
if(false == flag) {
bLogin = new JButton("登录");
price = 0;
}
else {
bLogin = new JButton("欢迎使用");
bLogin.setEnabled(false);
}
bLogin.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(bLogin == e.getSource()) {
LoginFrame lgFrame = new LoginFrame();
frame.dispose();
lgFrame.showFrame();
}
}
});
final JButton bExit = new JButton("注销");
bExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(bExit == e.getSource()) {
frame.dispose();
Dao.disconnect();
showFrame(false);
}
}
});
Font bBackStyle = new Font("微软雅黑", 1, 18);
bLogin.setFont(bBackStyle);
bAddMoney.setFont(bBackStyle);
bExit.setFont(bBackStyle);
panel2.add(bLogin);
panel2.add(bAddMoney);
panel2.add(bExit);
frame.add(panel2, BorderLayout.NORTH);
JTextField tf1 = new JTextField("余额:" + Dao.getBalance());
tf1.setFont(bBackStyle);
tf1.setOpaque(false);
tf1.setEditable(false);
panel3.add(tf1);
frame.add(panel3, BorderLayout.EAST);
frame.setBounds(100, 100, 900, 700);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
public static void main(String args[]) {
showFrame(false);
}
}
之后，为了便于管理，这里分了三个文件夹：dao(数据库操作)，login(登陆相关)，others(其他操作)。
dao:
对于数据库的初始化操作，我放在了static块中，而并不是放在构造里（这里就看个人的习惯吧）
package com.white.dao;
import java.sql.Date;
import java.sql.Statement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Dao {
public static final String DBDRIVER = "org.gjt.mm.mysql.Driver";
public static final String DBURL = "jdbc:mysql://localhost:3306/white";
public static final String DBUSER = "root";
public static final String DBPASS = "*******"; // 此处为密码，我打*了
private static Connection conn = null;
private static PreparedStatement pstmt = null;
private static ResultSet rs = null;
private static Statement stmt = null;
private static String nm = "";
private static String password = "";
private static int balance = 0;
private static int pce_start, pce_end;
static {
try {
if(null == conn) {
Class.forName(DBDRIVER);
conn = DriverManager.getConnection(DBURL, DBUSER, DBPASS);
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
public static boolean login(String name, String pwd) {
String sql = "SELECT name,password,balance FROM trainsys";
try {
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()) {
nm = rs.getString("name");
password = rs.getString("password");
balance = rs.getInt("balance");
if(nm.equals(name) && password.equals(pwd)) {
return true;
}
}
rs.close();
pstmt.close();
conn.close();
return false;
} catch (SQLException e) {
e.printStackTrace();
}
return false;
}
public static int getRegion(String sStation, String eStation) {
String sql = "SELECT station,region FROM road WHERE station=? OR station=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, sStation);
pstmt.setString(2, eStation);
rs = pstmt.executeQuery();
while(rs.next()) {
String station = rs.getString("station");
int region = rs.getInt("region");
if(station.equals(sStation)) {
pce_start = region;
}
else {
pce_end = region;
}
}
rs.close();
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
int distance = Math.abs(pce_end-pce_start);
if(distance > 6)
return 3;
else
return 5;
}
public static Date getRecoder() {
String sql = "SELECT name,date FROM recoder WHERE name=?";
Date date = null;
try {
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, nm);
rs = pstmt.executeQuery();
while(rs.next()) {
String name = rs.getString("name");
date = rs.getDate("date");
}
rs.close();
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
return date;
}
public static boolean disconnect() {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
return true;
}
public static boolean subBalance(int subMoney) {
balance -= subMoney;
String sql = "UPDATE trainsys SET balance=? WHERE name=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, balance);
pstmt.setString(2, nm);
pstmt.executeUpdate();
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
return true;
}
public static boolean addBalance(int subMoney) {
balance += subMoney;
String sql = "UPDATE trainsys SET balance=? WHERE name=?";
try {
pstmt = conn.prepareStatement(sql);
pstmt.setInt(1, balance);
pstmt.setString(2, nm);
pstmt.executeUpdate();
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
return true;
}
public static int getPrice(String sStation, String eStation) {
return getRegion(sStation, eStation);
}
public static int getBalance() {
try {
if(conn.isClosed())
return 0;
else
return balance;
} catch (SQLException e) {
e.printStackTrace();
}
return 0;
}
}
login：
这里就两个登陆的界面，放一个作为参考吧。
package com.white.login;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import com.white.*;
import com.white.dao.*;
public class LoginFrame extends JFrame{
private String name;
private String password;
public LoginFrame() {
name = "";
password = "";
}
public LoginFrame(String name, String password) {
this.name = name;
this.password = password;
}
public String getName() {
return name;
}
public String getPassword() {
return password;
}
public void showFrame() {
final JTextField jtfName;
final JPasswordField jpfPwd;
final JButton jbtOK, jbtCancle;
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(2, 1));
jpLables.add(new JLabel("Õ˺ţº"));
jpLables.add(new JLabel("ÃÜÂ룺"));
jtfName = new JTextField(20);
jtfName.setSize(50, 20);
jpfPwd = new JPasswordField(20);
jpfPwd.setSize(20, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(2, 1));
jpTextFields.add(jtfName);
jpTextFields.add(jpfPwd);
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER);
JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtOK = new JButton("È·¶¨"));
p2.add(jbtCancle = new JButton("ºóÍË"));
jbtOK.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtOK == e.getSource()) {
String judgeName, judgePwd;
judgeName = jtfName.getText();
judgePwd = new String(jpfPwd.getPassword());
boolean retval = Dao.login(judgeName, judgePwd);
if(true == retval) {
LoginFrame.this.dispose();
new TrainFrame().showFrame(true);
}
else {
new MessageFrame().showFrame();
jtfName.setText("");
jpfPwd.setText("");
}
}
}
});
jbtCancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCancle == e.getSource()) {
LoginFrame.this.dispose();
new TrainFrame().showFrame(false);
}
}
});
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(200,150,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(200,250,300,80));
getContentPane().add(p2,null);
setSize(700, 500);
setLocation(200, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}
others：
java代码较多(太多，只放出一部分)
AddMoneyFrame.java
package com.white.others;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Date;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import com.white.TrainFrame;
import com.white.dao.Dao;
public class AddMoneyFrame extends JFrame {
private String number;
public void showFrame() {
final JTextField jNum;
final JButton jbtOK, jbtCheck, jbtCancle;
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(1, 1));
jpLables.add(new JLabel("充值数额："));
jNum = new JTextField(20);
jNum.setSize(20, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(1, 1));
jpTextFields.add(jNum);
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER);
JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtOK = new JButton("充值"));
p2.add(jbtCheck = new JButton("查询最近一次记录"));
p2.add(jbtCancle = new JButton("后退"));
jbtOK.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtOK == e.getSource()) {
number = jNum.getText();
int num = Integer.parseInt(number);
Dao.addBalance(num);
AddMoneyFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
jbtCheck.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCheck == e.getSource()) {
Date date = Dao.getRecoder();
AddMoneyFrame.this.dispose();
new CheckRecoderFrame(date).showFrame();
}
}
});
jbtCancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCancle == e.getSource()) {
AddMoneyFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(200,150,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(200,250,300,80));
getContentPane().add(p2,null);
setSize(700, 500);
setLocation(200, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}
CheckRecoderFrame.java
package com.white.others;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import com.white.TrainFrame;
import com.white.dao.Dao;
public class CheckRecoderFrame extends JFrame {
private Date date;
private String strDate;
private DateFormat dformat;
public CheckRecoderFrame(Date date) {
this.date = date;
dformat = new SimpleDateFormat("yyyy-MM-dd");
}
public void showFrame() {
final JTextField jRecoder;
final JButton jbtOK, jbtCancle;
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(1, 1));
jpLables.add(new JLabel("最近一次记录："));
strDate = dformat.format(date);
jRecoder = new JTextField(strDate);
jRecoder.setSize(50, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(1, 1));
jpTextFields.add(jRecoder);
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER);
JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtOK = new JButton("确定"));
p2.add(jbtCancle = new JButton("后退"));
jbtOK.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtOK == e.getSource()) {
CheckRecoderFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
jbtCancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCancle == e.getSource()) {
CheckRecoderFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(200,150,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(200,250,300,80));
getContentPane().add(p2,null);
setSize(700, 500);
setLocation(200, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}
TrainSelectFrame.java
package com.white.others;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import com.white.TrainFrame;
import com.white.dao.Dao;
import com.white.login.LoginFrame;
import com.white.others.TrainTradeFrame;;
public class TrainSelectFrame extends JFrame {
private String sStation, eStation, number;
public TrainSelectFrame() {
//
}
public void showFrame() {
final JTextField jStart;
final JTextField jEnd;
final JTextField jNum;
final JButton jbtOK, jbtCancle;
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(3, 1));
jpLables.add(new JLabel("起始站："));
jpLables.add(new JLabel("终点站："));
jpLables.add(new JLabel("购买张数"));
jStart = new JTextField(20);
jStart.setSize(50, 20);
jEnd = new JTextField(20);
jEnd.setSize(20, 20);
jNum = new JTextField(20);
jNum.setSize(20, 20);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(3, 1));
jpTextFields.add(jStart);
jpTextFields.add(jEnd);
jpTextFields.add(jNum);
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER);
JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtOK = new JButton("购买"));
p2.add(jbtCancle = new JButton("后退"));
jbtOK.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtOK == e.getSource()) {
sStation = jStart.getText();
eStation = jEnd.getText();
number = jNum.getText();
int num = Integer.parseInt(number);
int price = Dao.getPrice(sStation, eStation) * num;
TrainTradeFrame ttFrame = new TrainTradeFrame(num, price, sStation, eStation);
ttFrame.showFrame();
}
}
});
jbtCancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCancle == e.getSource()) {
TrainSelectFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(200,150,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(200,250,300,80));
getContentPane().add(p2,null);
setSize(700, 500);
setLocation(200, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}
TrainTraderFrame.java
package com.white.others;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import com.white.TrainFrame;
import com.white.dao.Dao;
import com.white.login.MessageFrame;
public class TrainTradeFrame extends JFrame {
private String strStation, strPrice;
private JTextField tf;
private JButton jbtBuy, jbtCancle;
private JPanel panel;
private int price, num;
private String sStation;
private String eStation;
public TrainTradeFrame() {
//
}
public TrainTradeFrame(int num, int price, String sStation, String eStation) {
this.num = num;
this.price = price;
this.sStation = sStation;
this.eStation = eStation;
}
public void showFrame() {
final JTextField jStart;
final JTextField jEnd;
final JTextField jPrice;
final JTextField jNum;
final JButton jbtOK, jbtCancle;
JPanel jpLables = new JPanel();
jpLables.setLayout(new GridLayout(4, 1));
jpLables.add(new JLabel("起始站："));
jpLables.add(new JLabel("终点站："));
jpLables.add(new JLabel("价格："));
jpLables.add(new JLabel("购买张数："));
jStart = new JTextField(sStation);
jStart.setSize(50, 20);
jStart.setEditable(false);
jEnd = new JTextField(eStation);
jEnd.setSize(20, 20);
jEnd.setEditable(false);
jPrice = new JTextField("" + price);
jPrice.setSize(20, 20);
jPrice.setEditable(false);
jNum = new JTextField("" + num);
jNum.setSize(20, 20);
jNum.setEditable(false);
JPanel jpTextFields = new JPanel();
jpTextFields.setLayout(new GridLayout(4, 1));
jpTextFields.add(jStart);
jpTextFields.add(jEnd);
jpTextFields.add(jPrice);
jpTextFields.add(jNum);
JPanel p1 = new JPanel();
p1.setLayout(new BorderLayout());
p1.add(jpLables, BorderLayout.WEST);
p1.add(jpTextFields, BorderLayout.CENTER);
JPanel p2 = new JPanel();
p2.setLayout(new FlowLayout(FlowLayout.CENTER));
p2.add(jbtOK = new JButton("确定"));
p2.add(jbtCancle = new JButton("后退"));
jbtOK.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtOK == e.getSource()) {
sStation = jStart.getText();
eStation = jEnd.getText();
int price = Dao.getPrice(sStation, eStation) * num;
Dao.subBalance(price);
TrainTradeFrame.this.dispose();
}
}
});
jbtCancle.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(jbtCancle == e.getSource()) {
TrainTradeFrame.this.dispose();
new TrainFrame().showFrame(true);
}
}
});
getContentPane().setLayout(null);
p1.setBounds(new Rectangle(200,150,300,80));
getContentPane().add(p1,null);
p2.setBounds(new Rectangle(200,250,300,80));
getContentPane().add(p2,null);
setSize(700, 500);
setLocation(200, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}