本文是纯代码，很全，用java开发实现的记账系统，由于时间原因也没有做过多的注解，如有不清楚的可以一起讨论，代码有不足之处也欢迎指出。

java记账系统package com.ss.file;

import java.io.*;

public class FileIO {

private String filename = "tally.txt";

public FileIO() {

File file = new File(filename);

if(!file.exists()) {

try {

file.createNewFile();

} catch (IOException e) {

e.printStackTrace();

}

}

}

public void write(String data,boolean mode) {

try {

FileWriter fw = new FileWriter(filename,mode);

BufferedWriter bw = new BufferedWriter(fw);

bw.write(data);

bw.close();

fw.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public String read() {

FileReader fr;

String line = "";

String fileStr = "";

try {

fr = new FileReader(filename);//不能一行行的读

BufferedReader br = new BufferedReader(fr);//可以一行行的读效率高

while((line = br.readLine()) != null) {

fileStr += line + "\n";

}

br.close();

fr.close();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return fileStr;

}

public String getFilename() {

return filename;

}

public void setFilename(String filename) {

this.filename = filename;

}

}package com.ss.oper;

import java.util.Vector;

import com.ss.file.FileIO;

import com.ss.util.Tool;

public class Operation {

FileIO io = new FileIO();

public void add(String data) {

io.write(data, true);

}

public void delete(String data) {

io.write(data, false);

}

public void update(String data) {

io.write(data, false);

}

/*

* 全部查询

*/

public Vector select() {

String str = io.read();

Tool tool = new Tool();

return tool.StringToVec(str);

}

/*

* 条件查询

*/

public Vector select(String type,String remark) {

Vector vecData = new Vector();

Vector vecAll = select();

for(int i = 0;i < vecAll.size();i++) {

Vector smallVec = (Vector)vecAll.get(i);

boolean select = (smallVec.get(1).toString().equals(type) || type.equals(""))

&&

(smallVec.get(4).toString().equals(remark) || remark.equals(""));

if(select) {

vecData.add(smallVec);

}

}

return vecData;

}

}package com.ss.util;

import java.text.SimpleDateFormat;

import java.util.*;

import com.ss.file.FileIO;

public class Tool {

public String getTime() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String str = sdf.format(date);

return str;

}

/*

* 将String转化成Vector类型

*/

public Vector StringToVec(String data) {

Vector bigVec = new Vector();

if(data != null && !data.equals("")) {

String[] array = data.split("\n");

for(int i=0;i

String[] a = array[i].split(",");

Vector smallVec = new Vector();

smallVec.add(a[0]);

smallVec.add(a[1]);

smallVec.add(a[2]);

smallVec.add(a[3]);

smallVec.add(a[4]);

smallVec.add(a[5]);

smallVec.add(a[6]);

smallVec.add(a[7]);

smallVec.add(a[8]);

smallVec.add(a[9]);

smallVec.add(a[10]);

bigVec.add(smallVec);

}

}

return bigVec;

}

/*

* 获取下一个流水账号

*/

public int getNewID() {

int id = 1;

FileIO io = new FileIO();

String data = io.read();

if(data != null && !data.equals("")) {

Vector bigVec = StringToVec(data);

Vector smallVecLast = (Vector)bigVec.get(bigVec.size()-1);

String str = (String)smallVecLast.get(0);

id = Integer.parseInt(str) + 1;

}

return id;

}

}package com.ss.view;

import javax.swing.*;

import javax.swing.table.DefaultTableModel;

import com.ss.oper.Operation;

import com.ss.util.Tool;

import java.util.Vector;

import java.awt.*;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

public class UI_t extends JFrame{

private JComboBox typeCom = new JComboBox();

private JComboBox typeCom2 = new JComboBox();

private JTextField moneyText = new JTextField();

private JTextField stateText = new JTextField();

private JTextField tjText = new JTextField();

private JTextField kehuText = new JTextField();

private JTextField jishuText = new JTextField();

private JTextField jsmoneyText = new JTextField();

private JTextField jsfenchengText = new JTextField();

private JTextField yingliText = new JTextField();

private JTextField wanchengText = new JTextField();

private JTable table = new JTable();

private DefaultTableModel dtm = new DefaultTableModel();

private Vector colName = new Vector();

public UI_t(){

super("个人账目管理系统");

this.setBounds(300, 200, 1200, 800);

init();

}

public void init(){

JScrollPane p1 = new JScrollPane(setTable());

final JSplitPane p2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT,setInfo(),p1);

p2.addComponentListener(new ComponentListener(){

@Override

public void componentResized(ComponentEvent arg0) {

p2.setpiderLocation(0.4);

}

@Override

public void componentHidden(ComponentEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void componentMoved(ComponentEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void componentShown(ComponentEvent arg0) {

// TODO Auto-generated method stub

}

});

this.add(p2);

}

public static void main(String[] args) {

// TODO Auto-generated method stub

new UI_t().setVisible(true);

}

public JPanel setInfo(){

JPanel jp = new JPanel();

jp.setLayout(null);

JLabel label1 = new JLabel("类型");

label1.setBounds(10, 50, 30, 30);

jp.add(label1);

typeCom.addItem("生旦净末丑");

typeCom.addItem("齐怪了");

typeCom.setBounds(50, 50, 60, 30);

jp.add(typeCom);

JLabel label2 = new JLabel("客户名");

label2.setBounds(120, 50, 60, 30);

jp.add(label2);

kehuText.setBounds(160, 50, 60, 30);

jp.add(kehuText);

JLabel jishulabel = new JLabel("技术名");

jishulabel.setBounds(240, 50, 60, 30);

jp.add(jishulabel);

jishuText.setBounds(280, 50, 60, 30);

jp.add(jishuText);

JLabel dingdanlabel = new JLabel("订单金额");

dingdanlabel.setBounds(340, 50, 60, 30);

jp.add(dingdanlabel);

moneyText.setBounds(400, 50, 60, 30);

jp.add(moneyText);

JLabel jsjiagelabel = new JLabel("技术价格");

jsjiagelabel.setBounds(460, 50, 60, 30);

jp.add(jsjiagelabel);

jsmoneyText.setBounds(520, 50, 60, 30);

jp.add(jsmoneyText);

JLabel jsfenchenglabel = new JLabel("技术分成");

jsfenchenglabel.setBounds(580, 50, 60, 30);

jp.add(jsfenchenglabel);

jsfenchengText.setBounds(640, 50, 60, 30);

jp.add(jsfenchengText);

JLabel yinglilabel = new JLabel("盈利");

yinglilabel.setBounds(700, 50, 40, 30);

jp.add(yinglilabel);

yingliText.setBounds(740, 50, 60, 30);

jp.add(yingliText);

JLabel wanchenglabel = new JLabel("完成时间");

wanchenglabel.setBounds(820, 50, 60, 30);

jp.add(wanchenglabel);

wanchengText.setBounds(880, 50, 60, 30);

jp.add(wanchengText);

JLabel statelabel4 = new JLabel("状态信息");

statelabel4.setBounds(940, 50, 60, 30);

stateText.setBounds(1000, 50, 40, 30);

jp.add(statelabel4);

jp.add(stateText);

JButton addBut = new JButton("增加");

addBut.setBounds(400, 100, 60, 30);

jp.add(addBut);

addBut.addMouseListener(new MouseListener() {

@Override

public void mouseReleased(MouseEvent arg0) {

}

@Override

public void mousePressed(MouseEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void mouseExited(MouseEvent arg0) {

}

@Override

public void mouseEntered(MouseEvent arg0) {

}

@Override

public void mouseClicked(MouseEvent arg0) {

String type = (String)typeCom.getSelectedItem();//返回当前所选项

String kehuname=kehuText.getText();

String jishuname=jishuText.getText();

String dingdanmoney=moneyText.getText();

String jishumoney=jsmoneyText.getText();

String jishufencheng=jsfenchengText.getText();

String yingli=yingliText.getText();

String finnishdata=wanchengText.getText();

String remark = stateText.getText();

Tool tool = new Tool();

String kaishitime = tool.getTime();

int id = tool.getNewID();

//修改部分

String data = id + "," + type + "," + kehuname + "," + jishuname + "," +dingdanmoney + ","+jishumoney + ","+jishufencheng + ","+yingli + ","+kaishitime+","+finnishdata+","+remark +"\n";

Operation oper = new Operation();

oper.add(data);

select();

}

});

JButton xgBut = new JButton("修改");

xgBut.setBounds(500, 100, 60, 30);

jp.add(xgBut);

xgBut.addMouseListener(new MouseListener() {

@Override

public void mouseReleased(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mousePressed(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseExited(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseEntered(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseClicked(MouseEvent e) {

String data = changeTableData();

Operation oper = new Operation();

oper.update(data);

}

});

JButton deleteBut = new JButton("删除");

deleteBut.setBounds(600, 100, 60, 30);

jp.add(deleteBut);

deleteBut.addMouseListener(new MouseListener() {

@Override

public void mouseReleased(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mousePressed(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseExited(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseEntered(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseClicked(MouseEvent e) {

int i = table.getSelectedRow();

dtm.removeRow(i);

String data = changeTableData();

Operation oper = new Operation();

oper.delete(data);

}

});

JLabel chaxunlabel = new JLabel("按店铺查询");

chaxunlabel.setBounds(100, 200, 100, 30);

jp.add(chaxunlabel);

typeCom2.addItem("");

typeCom2.addItem("生旦净末丑");

typeCom2.addItem("齐怪了");

typeCom2.setBounds(180, 200, 60, 30);

jp.add(typeCom2);

JLabel tianjiaolabel = new JLabel("按条件查询");

tianjiaolabel.setBounds(280, 200, 100, 30);

jp.add(tianjiaolabel);

tjText.setBounds(380,200,100,30);

jp.add(tjText);

JButton selectBut = new JButton("查询");

selectBut.setBounds(500, 200, 60, 30);

jp.add(selectBut);

selectBut.addMouseListener(new MouseListener() {

@Override

public void mouseReleased(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mousePressed(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseExited(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseEntered(MouseEvent e) {

// TODO Auto-generated method stub

}

@Override

public void mouseClicked(MouseEvent e) {

String type = (String) typeCom2.getSelectedItem();

String remark = tjText.getText();

Operation oper = new Operation();

Vector data = oper.select(type,remark);

dtm.setDataVector(data, colName);

table.setModel(dtm);

}

});

return jp;

}

public JTable setTable(){

colName.add("流水账号");

colName.add("类型");

colName.add("客户名");

colName.add("技术名");

colName.add("订单金额");

colName.add("技术价格");

colName.add("技术分成");

colName.add("盈利");

colName.add("开始时间");

colName.add("完成时间");

colName.add("状态信息");

Operation oper = new Operation();

Vector data = oper.select();

dtm.setDataVector(data, colName);

table.setModel(dtm);

return table;

}

/*

* 从文件中重新读取一遍数据相当于刷新

*/

public void select(){

Operation oper = new Operation();

Vector data = oper.select();

dtm.setDataVector(data, colName);

table.setModel(dtm);

}

/*

* 获取表格内容

*/

public String changeTableData(){

String data = "";

int row = table.getRowCount();

for(int i=0;i

String line = "";

for(int j=0;j<11;j++){

line += dtm.getValueAt(i, j)+",";

}

line += "\n";

data += line;

}

return data;

}

}

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