searchpanel.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.book.ui.panels;

import java.awt.*;

import com.borland.jbcl.layout.*;
import java.awt.event.*;
import cn.javass.bookmgr.util.uiutil.ChangePanel;
import cn.javass.bookmgr.MainFrame;
import cn.javass.bookmgr.book.business.factory.BookFactory;
import cn.javass.bookmgr.book.valueobject.BookModel;
import cn.javass.bookmgr.book.valueobject.QueryBookModel;
import java.util.Collection;
import javax.swing.*;

/**
 * 图书模块表现层用于图书查询的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 SearchPanel 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();
  JLabel jLabel6 = new JLabel();
  JTextField txt_Id = new JTextField();
  JTextField txt_name = new JTextField();
  JButton btn_search = new JButton();
  JButton btn_back = new JButton();
  JTextField txt_inPrice = new JTextField();
  JTextField txt_salePrice = new JTextField();
  JLabel jLabel4 = new JLabel();
  JTextField txt_inPrice2 = new JTextField();
  JLabel jLabel7 = new JLabel();
  JTextField txt_salePrice2 = new JTextField();

  /**
   * 用来保持对主窗体的引用
   */
  MainFrame mf = null;
  /**
   * 构建图书查询的Panel
   * @param mf 主窗体的引用
   */
  public SearchPanel(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 {
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 30));
    jLabel1.setText("查询图书");
    this.setLayout(xYLayout1);
    jLabel2.setText("图书编号");
    jLabel3.setText("图书名称");
    jLabel5.setText("最低进货价格");
    jLabel6.setText("最低销售价格");

    txt_Id.setText("");
    txt_name.setText("");
    btn_search.setText("查询");
    btn_search.addActionListener(new SearchPanel_btn_search_actionAdapter(this));
    btn_back.setText("返回");
    btn_back.addActionListener(new SearchPanel_btn_back_actionAdapter(this));
    xYLayout1.setWidth(543);
    xYLayout1.setHeight(413);
    txt_inPrice.setText("");
    txt_salePrice.setText("");
    jLabel4.setText("最高进货价格");
    txt_inPrice2.setText("");
    jLabel7.setText("最高销售价格");
    txt_salePrice2.setText("");
    this.add(jLabel2, new XYConstraints(13, 91, 77, 30));
    this.add(btn_back, new XYConstraints(307, 326, 117, 46));
    this.add(jLabel5, new XYConstraints(13, 164, 77, 30));
    this.add(btn_search, new XYConstraints(147, 326, 117, 46));
    this.add(jLabel6, new XYConstraints(13, 237, 77, 30));
    this.add(txt_salePrice, new XYConstraints(88, 239, 166, 33));
    this.add(txt_inPrice, new XYConstraints(88, 168, 166, 33));
    this.add(jLabel4, new XYConstraints(276, 164, 101, 37));
    this.add(txt_inPrice2, new XYConstraints(357, 168, 166, 33));
    this.add(txt_name, new XYConstraints(357, 93, 166, 33));
    this.add(jLabel3, new XYConstraints(276, 92, 77, 30));
    this.add(jLabel7, new XYConstraints(276, 237, 98, 37));
    this.add(txt_salePrice2, new XYConstraints(357, 239, 166, 33));
    this.add(txt_Id, new XYConstraints(88, 93, 166, 33));
    this.add(jLabel1, new XYConstraints(197, 7, 377, 82));
  }
  /**
   * 点击查询按钮的事件处理
   * @param e Action事件对象
   */
  void btn_search_actionPerformed(ActionEvent e) {
    //1:收集参数
    String id = this.txt_Id.getText();
    String name = this.txt_name.getText();
    String inPrice = this.txt_inPrice.getText();
    String salePrice = this.txt_salePrice.getText();
    String inPrice2 = this.txt_inPrice2.getText();
    String salePrice2 = this.txt_salePrice2.getText();
    //2:组织参数
    QueryBookModel bm = new QueryBookModel();
    bm.setId(id);
    bm.setName(name);
    if (inPrice != null && inPrice.trim().length() > 0) {
      bm.setInPrice(Double.parseDouble(inPrice));
    }
    if (salePrice != null && salePrice.trim().length() > 0) {
      bm.setSalePrice(Double.parseDouble(salePrice));
    }
    if (inPrice2 != null && inPrice2.trim().length() > 0) {
      bm.setInPrice2(Double.parseDouble(inPrice2));
    }
    if (salePrice2 != null && salePrice2.trim().length() > 0) {
      bm.setSalePrice2(Double.parseDouble(salePrice2));
    }
    //3:调用逻辑层Api，并获取返回值
    Collection col = BookFactory.getInstance().createBookEbi().getByCondition(
        bm);
    //4:根据返回值选择新的Panel
    ChangePanel.changePanel(mf, new ListPanel(mf, true, col));
  }
  /**
   * 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));
  }
}
//以下为事件处理中的Adaper类
class SearchPanel_btn_search_actionAdapter
    implements java.awt.event.ActionListener {
  SearchPanel adaptee;

  SearchPanel_btn_search_actionAdapter(SearchPanel adaptee) {
    this.adaptee = adaptee;
  }

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

class SearchPanel_btn_back_actionAdapter
    implements java.awt.event.ActionListener {
  SearchPanel adaptee;

  SearchPanel_btn_back_actionAdapter(SearchPanel adaptee) {
    this.adaptee = adaptee;
  }

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