超市商品信息管理系统.doc

超市信息管理系统设计文档姓名 葛晓瑜 学号 1220126327 班级 软件1213一、用户登录界面：PassWordFrame类用户名：1220126327密码：gexiaoyu2、 主界面：MarketFrame类3、 信息的增删查改：InfoMag类/查找功能private int itemSearch()findItem = findField.getText();int row = table.getRowCount();int i;for(i = 0 ; i =row)return -1;return i;/增加一行private void addRow()Object a =输入框,输入框,输入框,输入框,输入框;tableModel.addRow(a);/增加一行isChange = true;/插入一行private void insertRow()Object a =输入框,输入框,输入框,输入框,输入框;int select=table.getSelectedRow();tableModel.insertRow(select+1,a);/删除一行private void delRow()int rowNumNow = table.getSelectedRow();/得到当前光标所在行if(rowNumNow != -1)tableModel.removeRow(rowNumNow);/删除4、 信息的保存读出：ProductInfo类、ProInfo类、InfoMag类ProductInfo类： 主要实现了JTable中的录入的商品信息在文件ProInfo类： 主要定义了一些商品的信息，如：编号、名称、售价，供货商以及联系方式，并将该信息进行写入读出的操作。InfoMag类： 部分文件的读取保存 /初始化读取文件public void fileRead()throws IOException,ClassNotFoundExceptionfileName = new File(./classes/file/product.tan);if(fileName.length() != 0)FileInputStream fileInStream = new FileInputStream(fileName);ObjectInputStream objectInStream = new ObjectInputStream(fileInStream);ProInfo pInfo =new ProInfo(); int row = 0;trywhile(true)pInfo = (ProInfo)objectInStream.readObject(); table.setValueAt(pIID,row,0);table.setValueAt(pIName,row,1);table.setValueAt(pIMuch,row,2);table.setValueAt(pIMenuf,row,3);table.setValueAt(pIMenufTel,row,4);row+;addRow(); catch(EOFException e) /文件结束以抛出EOFException异常 tableModel.removeRow(row); objectInStream.close(); /保存文件private void fileSave()throws IOExceptionfileName = new File(./classes/file/product.tan);FileOutputStream fileOutStream = new FileOutputStream(fileName);ObjectOutputStream objOutStream = new ObjectOutputStream(fileOutStream);rowNum = table.getRowCount();colNum = table.getColumnCount();for(int i = 0 ; i rowNum ; i+)pID = (String)table.getValueAt(i,0);pName = (String)table.getValueAt(i,1);pMuch = (String)table.getValueAt(i,2);pMenuf = (String)table.getValueAt(i,3);pMenufTel = (String)table.getValueAt(i,4);if(pID.equals(输入框) | pID = null)break;ProInfo info = new ProInfo(pID,pName,pMuch,pMenuf,pMenufTel);tryobjOutStream.writeObject(info);catch(IOException er)isChange = false;objOutStream.close();MarketFrame.mutex = true;5、 简单的帮助：Inf