JAVA实战项目---DVD租赁管理系统

package com.iotek.view; import java.awt.BorderLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.ArrayList; import java.util.List; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JInternalFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTable; import javax.swing.JTextField; import javax.swing.event.TableModelListener; import javax.swing.table.TableModel; import com.iotek.biz.DVDBiz; import com.iotek.biz.impl.DVDBizImpl; import com.iotek.entity.DVD; import com.iotek.util.DVDUtil; public class AdminDVDView extends JInternalFrame { private static final long serialVersionUID = 1L; //面板 private JPanel panelleft=null;//左边总面板 private JPanel paneltable=null;//保存table的面板 private JPanel panelButton=null;//保存按钮的面板 private JPanel panelDVD=null;//用于添加和更新DVD //标签 private JLabel lb_type=null; //添加dvd的信息框 private JLabel lb_dname=null; private JLabel lb_dcount=null; private JLabel lb_dtype=null; //文本框 private JTextField tf_dname=null; private JTextField tf_dcount=null; private JTextField tf_content=null; //表 private JTable table=null; //按钮 private JButton btn_query=null; private JButton btn_save=null; private JButton btn_updata=null; private JButton btn_del=null; private JButton btn_exit=null; //控件，可拉动 private JComboBox<String> cb_type=null; private JComboBox<String> cb_dtype=null; private DVDBiz dvdBiz=null; private List<DVD> dvdList=null; private DVDInfoTableModel infoTableModel=null; public AdminDVDView() { dvdBiz=new DVDBizImpl(); init(); registerListener(); } private void init() { this.setTitle("管理员DVD操作"); this.setSize(800,500); this.setIconifiable(true);//窗体可最小化 this.setClosable(true);//可关闭 this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); dvdList=new ArrayList<DVD>(); //左边 panelleft=new JPanel(); panelDVD=new JPanel(new GridLayout(1,6)); lb_dname=new JLabel("DVD名字"); lb_dcount=new JLabel("借出次数"); lb_dtype=new JLabel("DVD状态"); tf_dname=new JTextField(); tf_dcount=new JTextField(); cb_dtype=new JComboBox<String>(new String[] { "已借","未借" }); panelDVD.add(lb_dname); panelDVD.add(tf_dname); panelDVD.add(lb_dcount); panelDVD.add(tf_dcount); panelDVD.add(lb_dtype); panelDVD.add(cb_dtype); //初始化表 table =new JTable(); paneltable=new JPanel(new BorderLayout());//创建面板 //让Jtable绑定数据模型，得先初始化table，否则会造成空指针异常 refreshTable(dvdList); //给面板设置边框 paneltable.setBorder(BorderFactory.createTitledBorder( BorderFactory.createEtchedBorder(null, null),"DVD记录查询")); paneltable.add(table); panelleft.add(paneltable, BorderLayout.CENTER); panelleft.add(panelDVD,BorderLayout.SOUTH); this.add(panelleft, BorderLayout.CENTER); //初始化按键 lb_type=new JLabel("查询类型"); panelButton=new JPanel(new GridLayout(9, 1,10,20)); panelButton.setBorder(BorderFactory.createTitledBorder( BorderFactory.createEtchedBorder(null, null),"查询界面")); this.add(panelButton, BorderLayout.EAST); panelButton.add(lb_type); cb_type=new JComboBox<String>(new String[] {"" + "全部DVD","DVD编号","DVD名字"}); panelButton.add(cb_type); //按键 tf_content=new JTextField(); tf_content.setEditable(false); btn_query=new JButton("查询"); btn_save=new JButton("添加DVD"); btn_updata=new JButton("更新DVD"); btn_del=new JButton("删除DVD"); btn_exit=new JButton("退出"); //文本框加入 panelButton.add(tf_content); //按键加入 panelButton.add(btn_query); panelButton.add(btn_save); panelButton.add(btn_updata); panelButton.add(btn_del); btn_updata.setEnabled(false); btn_del.setEnabled(false); panelButton.add(btn_exit); this.setVisible(true); } private void registerListener() { //给table注册鼠标监听事件 table.addMouseListener(new MouseAdapter() { //鼠标点击事件 @Override public void mouseClicked(MouseEvent e) { //假设选择一行更新删除可用 if(table.getSelectedRow()!=-1) { btn_updata.setEnabled(true); btn_del.setEnabled(true); } int row=table.getSelectedRow();//得到选中哪行的下标 String dname=table.getValueAt(row, 1).toString(); String dcount=table.getValueAt(row, 2).toString(); String status=table.getValueAt(row, 3).toString(); tf_dname.setText(dname); tf_dcount.setText(dcount); cb_dtype.setSelectedItem(status); } }); //给下拉菜单注册选项事件监听器 cb_type.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { String item=e.getItem().toString(); tf_content.setText(""); if(item.equals("全部DVD")) { tf_content.setEditable(false); }else { tf_content.setEditable(true); } } }); //给添加按钮设置监听 btn_exit.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { int flag=JOptionPane.showInternalConfirmDialog(AdminDVDView.this, "是否确定退出？", "确认信息", JOptionPane.YES_NO_OPTION); if(flag==JOptionPane.YES_OPTION) { AdminDVDView.this.dispose(); } } }); btn_del.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { int row=table.getSelectedRow(); int did=(Integer)table.getValueAt(row, 0); int flag=JOptionPane.showInternalConfirmDialog(AdminDVDView.this, "是否删除？", "确认信息", JOptionPane.YES_NO_OPTION); if(flag==JOptionPane.YES_OPTION) { boolean res=dvdBiz.delDVD(did); if(res) { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "删除成功！"); }else { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "删除失败"); } } } }); btn_updata.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String dname=tf_dname.getText().trim(); String dcount=tf_dname.getText().trim(); int status=cb_dtype.getSelectedIndex(); if(dname.equals("")) { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "DVD名字不能为空"); return; } if(dcount.equals("")) { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "借出次数不能为空"); return; } if(!DVDUtil.isNumber(dcount)) { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "借出次数只能为数字"); return; } int flag=JOptionPane.showInternalConfirmDialog(AdminDVDView.this, "" + "是否确定更新?","确认信息",JOptionPane.YES_NO_OPTION); if(flag==JOptionPane.YES_OPTION) { int row=table.getSelectedColumn(); boolean res=dvdBiz.modifyDVD(new DVD((Integer)table.getValueAt(row, 0), dname,dcount,status)); if(res) { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "更新成功"); } else { JOptionPane.showInternalMessageDialog(AdminDVDView.this, "更新失败"); } } } }); btn_save.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { String dname=tf_dname.getText().trim(); String dcount=tf_dcount.getText().trim(); int status=cb_dtype.getSelectedIndex();//0代表已借1代表可借 if(dna