addpanel.java

java私塾里的图书进销存项目的源代码,非常不错,J2SE基础知识复习非常有帮助!

package cn.javass.bookmgr.salebook.ui.panels;

import java.awt.*;
import com.borland.jbcl.layout.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
import cn.javass.bookmgr.util.uiutil.ChangePanel;
import cn.javass.bookmgr.MainFrame;
import cn.javass.bookmgr.salebook.business.factory.SaleBookFactory;
import cn.javass.bookmgr.salebook.valueobject.SaleBookModel;
import cn.javass.bookmgr.util.informat.MyDateFormat;
import cn.javass.bookmgr.book.business.factory.BookFactory;
import cn.javass.bookmgr.book.valueobject.BookModel;
import cn.javass.bookmgr.salebook.valueobject.SaleBookDetailModel;
import cn.javass.bookmgr.stock.business.factory.StockFactory;
import cn.javass.bookmgr.stock.valueobject.StockModel;
/**
 * 销售模块表现层用于销售新增的Panel
 *
 * <p>Title: Java私塾第一个Java项目——图书进销存系统（单机版）</p>
 * <p>Description: 网址:<a href="http://www.javass.cn">http://www.javass.cn</a>
 * 新电话:[phone]   新地址:北京市海淀区厂洼路5号院深博达商务楼5层</p>
 * <p>Copyright: Copyright (c) 2008</p>
 * <p>Company: Java私塾</p>
 * @author Java私塾
 * @version 1.0
 */
public class AddPanel extends JPanel {
  //以下为本界面需要的组件定义
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JTextField txt_Id = new JTextField();
  JTextField txt_date = new JTextField();
  JButton btn_add = new JButton();
  JButton btn_back = new JButton();
  JTextField txt_outUserId = new JTextField();
  JLabel jLabel4 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JLabel jLabel6 = new JLabel();
  JTextField txt_sum = new JTextField();
  JButton btn_addToList = new JButton();
  JList list_detail = new JList();
  /**
   * 用来保持对主窗体的引用
   */
  MainFrame mf = null;
  /**
   * 用于List组件封装数据的ListModel
   */
  DefaultListModel listModel = new DefaultListModel();
  /**
   * 包含多个销售子记录Model的集合
   */
  Collection colDetail = new ArrayList();
  /**
   * 构建销售新增的Panel
   * @param mf 主窗体的引用
   */
  public AddPanel(MainFrame mf) {
    try {
      this.mf = mf;
      jbInit();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }
  /**
   * 真正进行组件初始化，并构建整个界面
   * @throws Exception
   */
  void jbInit() throws Exception {
    //1:获取所有的图书信息
    Collection col = BookFactory.getInstance().createBookEbi().getAll();
    //2:循环所有的图书信息
    Iterator it = col.iterator();
    while (it.hasNext()) {
      BookModel bm = (BookModel) it.next();
      //3:把图书信息设置到图书的下拉列表中
      this.jComboBox1.addItem(bm.toMyString());
    }

    jLabel1.setFont(new java.awt.Font("Dialog", 1, 30));
    jLabel1.setText("填写销售单");
    this.setLayout(xYLayout1);
    jLabel2.setText("销售单编号");
    jLabel3.setText("销售日期");
    jLabel5.setText("销售人");

    txt_Id.setText("");
    txt_date.setText("");
    btn_add.setText("保存");
    btn_add.addActionListener(new AddPanel_btn_add_actionAdapter(this));
    btn_back.setText("返回");
    btn_back.addActionListener(new AddPanel_btn_back_actionAdapter(this));
    xYLayout1.setWidth(741);
    xYLayout1.setHeight(443);
    txt_outUserId.setText("");
    jLabel4.setText("图书编号");
    jLabel6.setText("销售数量");
    txt_sum.setText("");
    btn_addToList.setText("添加到明细列表");
    btn_addToList.addActionListener(new AddPanel_btn_addToList_actionAdapter(this));
    this.add(jLabel2, new XYConstraints(13, 91, 77, 30));
    this.add(jLabel3, new XYConstraints(238, 90, 77, 30));
    this.add(txt_date, new XYConstraints(295, 93, 166, 33));
    this.add(txt_Id, new XYConstraints(69, 93, 166, 33));
    this.add(jLabel5, new XYConstraints(477, 93, 77, 30));
    this.add(txt_outUserId, new XYConstraints(537, 93, 166, 33));
    this.add(jLabel4, new XYConstraints(13, 154, 77, 30));
    this.add(jComboBox1, new XYConstraints(69, 156, 166, 33));
    this.add(jLabel6, new XYConstraints(238, 154, 77, 30));
    this.add(txt_sum, new XYConstraints(295, 157, 166, 33));
    this.add(btn_back, new XYConstraints(426, 386, 117, 46));
    this.add(btn_add, new XYConstraints(269, 383, 117, 46));
    this.add(list_detail, new XYConstraints(71, 231, 631, 131));
    this.add(btn_addToList, new XYConstraints(500, 154, 145, 43));
    this.add(jLabel1, new XYConstraints(316, 9, 377, 82));
  }
  /**
   * 点击新增按钮的事件处理
   * @param e Action事件对象
   */
  void btn_add_actionPerformed(ActionEvent e) {
    //1:收集参数
    String id = this.txt_Id.getText();
    String inDate = this.txt_date.getText();
    String inUserId = this.txt_outUserId.getText();
    //2:组织参数
    SaleBookModel bm = new SaleBookModel();
    bm.setId(id);
    bm.setOutDate(MyDateFormat.dateStr2Long("", inDate));
    bm.setOutUserId(inUserId);
    //3:调用逻辑层Api，并获取返回值
    boolean flag = SaleBookFactory.getInstance().createSaleBookEbi().
        addSaleBook(bm, this.colDetail);
    //4:根据返回值选择新的Panel
    if (flag) {
      ChangePanel.changePanel(mf, new ListPanel(mf, false, null));
    }
    else {
      JOptionPane.showMessageDialog(null, "很遗憾，销售单新增失败了");
    }
  }
  /**
   * 点击返回按钮的事件处理
   * @param e Action事件对象
   */
  void btn_back_actionPerformed(ActionEvent e) {
    ChangePanel.changePanel(mf, new ListPanel(mf, false, null));
  }
  /**
   * 点击添加到明细列表按钮的事件处理
   * @param e Action事件对象
   */
  void btn_addToList_actionPerformed(ActionEvent e) {
     //1：收集参数
    String bookId = (String)this.jComboBox1.getSelectedItem();
    String tempStr[] = bookId.split(",");
    bookId = tempStr[0]; //bookId.substring(0,bookId.indexOf(","));
    String inPrice = tempStr[2];

    int num = Integer.parseInt(this.txt_sum.getText());
    String str = bookId + "," + num;

    //2：应该先检查库存数量是否能够满足销售的需要
    StockModel stokModel = StockFactory.getInstance().createStockEbi().
        getStockModelById(bookId);
    if (stokModel.getSumNum() < num) {
      JOptionPane.showMessageDialog(null,
                                    "销售数量过大,当前库存数量为" + stokModel.getSumNum());
      return;
    }

    String inId = this.txt_Id.getText();
    SaleBookDetailModel inDm = new SaleBookDetailModel();
    inDm.setBookId(bookId);
    inDm.setOutId(inId);
    double sumMoney = num * Double.parseDouble(inPrice);
    inDm.setSumMoney(sumMoney);
    inDm.setSumNum(num);

    //再次判断总共销售的书的数目不能超过库存
    int tempSum = 0;
    Iterator it = this.colDetail.iterator();
    while (it.hasNext()) {
      SaleBookDetailModel tempSdm = (SaleBookDetailModel) it.next();
      if (tempSdm.getBookId().equals(bookId)) {
        tempSum += tempSdm.getSumNum();
      }
    }
    if (stokModel.getSumNum() < (num + tempSum)) {
      JOptionPane.showMessageDialog(null,
                                    "本销售单中本书的总销售数量过大,当前可售出书的数量为" +
                                    (stokModel.getSumNum() - tempSum));
      return;
    }
    //3：把销售明细记录设置到列表集合中
    listModel.addElement(str);
    this.list_detail.setModel(listModel);
    //4：把销售明细记录设置到专用于存储销售明细记录Model的集合中
    this.colDetail.add(inDm);
  }
}
//以下为事件处理中的Adaper类
class AddPanel_btn_add_actionAdapter
    implements java.awt.event.ActionListener {
  AddPanel adaptee;

  AddPanel_btn_add_actionAdapter(AddPanel adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.btn_add_actionPerformed(e);
  }
}

class AddPanel_btn_back_actionAdapter
    implements java.awt.event.ActionListener {
  AddPanel adaptee;

  AddPanel_btn_back_actionAdapter(AddPanel adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.btn_back_actionPerformed(e);
  }
}

class AddPanel_btn_addToList_actionAdapter
    implements java.awt.event.ActionListener {
  AddPanel adaptee;

  AddPanel_btn_addToList_actionAdapter(AddPanel adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.btn_addToList_actionPerformed(e);
  }
}