studentview.java

运用java编写图书馆管理系统

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;

import javax.swing.*;



public class StudentView extends JFrame{	
	Book bk=new Book();
	Book []borrow=new Book[6];
	Book []sort_book=new Book[10];
	LibraryManager LM=new LibraryManager();
	StudentView(){
		Toolkit kit = Toolkit.getDefaultToolkit();
		Image img = kit.getImage("pic//sbook.jpg");
	    setIconImage(img);
	    
		Container c=this.getContentPane();
		c.setLayout(new BorderLayout());

		c.add(wp,BorderLayout.WEST);
		c.add(np,BorderLayout.NORTH);			
		c.add(ep,BorderLayout.EAST);	
		label1=new JLabel("欢迎进入学生管理系统！");
		label1.setFont(new Font("华文行楷",Font.BOLD,20));
		//按钮
		np.setLayout(new FlowLayout());	
		bt[0]=new JButton("已借");
		bt[1]=new JButton("查找");
		bt[2]=new JButton("预约");
		bt[3]=new JButton("续借");
		np.add(label1);
		for (int i=0;i<4;i++)
		{
			np.add(bt[i]);
		}
		
		//显示区
		text1=new JTextArea(36,54);
		text1.setMaximumSize(text1.getPreferredSize());
		text1.setEditable(false);
		scroll=new JScrollPane(text1);
		add(scroll);
		//功能区
		for (int i=0;i<4;i++)
		{
			lf_pn[i]=new JPanel();
			bb[i]=Box.createVerticalBox();
		}
		//已借panel
		lf_pn[0].setLayout(new FlowLayout());
		b2=Box.createHorizontalBox();
		label2=new JLabel("请在两周之内还书");
		label3=new JLabel("否则将按图书馆规则罚款");
		StuInfo();
		b1=Box.createVerticalBox();
		b1.add(label2);
		b1.add(label3);
		bbtt[0]=new JButton("查看已借图书");		
		b2.add(bbtt[0]);
		b2.add(b1);
		bb[0].add(b_totalinfo);
		bb[0].add(Box.createVerticalStrut(35));
		bb[0].add(b2);
		bb[0].add(Box.createVerticalStrut(35));
		bb[0].add(new clock());	
		
		lf_pn[0].add(bb[0]);	
		//查找panel
		warnlabel[0]=new JLabel("查找时请输入书的全名！");
		findList=new JComboBox(findName);
		tf[0]=new JTextField(20);
		tf[0].setMaximumSize(tf[0].getPreferredSize());	
		b[0]=Box.createHorizontalBox();
		b[0].add(findList);
		b[0].add(Box.createHorizontalStrut(15));	
		b[0].add(tf[0]);	
		bbtt[1]=new JButton("查找");
		b_warn[0]=Box.createHorizontalBox();
		b_warn[0].add(bbtt[1]);
		b_warn[0].add(warnlabel[0]);
		StuInfo();
		bb[1].add(b_totalinfo);
		bb[1].add(Box.createVerticalStrut(35));	
		bb[1].add(b[0]);
		bb[1].add(Box.createVerticalStrut(15));	
		bb[1].add(b_warn[0]);
		bb[1].add(Box.createVerticalStrut(45));
		bb[1].add(new clock());
		bb[1].add(Box.createVerticalStrut(35));		
		lf_pn[1].add(bb[1]);
		
		//预约及续借panel
		for(int i=2;i<4;i++)
		{
		label[i-1]=new JLabel("编号： ");
		tf[i-1]=new JTextField(20);
		tf[i-1].setMaximumSize(tf[i-1].getPreferredSize());	
		b[i-1]=Box.createHorizontalBox();
		b[i-1].add(label[i-1]);
		b[i-1].add(tf[i-1]);				
		warnlabel[1]=new JLabel("3天之内到图书馆拿书！");		
		warnlabel[2]=new JLabel("网上续借只能使用一次！");	
		warnlabel[i-1].setFont(new Font("微软雅黑",Font.BOLD,15));
		b_warn[i-1]=Box.createHorizontalBox();				
		bb[i-1]=Box.createVerticalBox();
		bbtt[i]=new JButton("确定");			
		b_warn[i-1].add(bbtt[i]);
		b_warn[i-1].add(warnlabel[i-1]);
		StuInfo();
		bb[i].add(b_totalinfo);
		bb[i].add(Box.createVerticalStrut(35));	
		bb[i].add(b[i-1]);
		bb[i].add(Box.createVerticalStrut(15));	
		bb[i].add(b_warn[i-1]);
		bb[i].add(Box.createVerticalStrut(45));
		bb[i].add(new clock());	
		lf_pn[i].add(bb[i]);
		}
		for (int i=0;i<4;i++)
		{
			wp.add(lf_pn[i]);
		}
		lf_card=new CardLayout();
		for(int i=0;i<4;i++)
			lf_card.addLayoutComponent(lf_pn[i],"lf_pn"+i);
		wp.setLayout(lf_card);
		for (int i=0;i<4;i++){
			bt[i].addActionListener(new MyEvent());
		    bbtt[i].addActionListener(new LeftEvent());	
		}		
	}
	
	public void StuInfo(){
		//读入学生学号
		try{
		FileReader fr = new FileReader("deng.txt");
		BufferedReader br = new BufferedReader(fr);
		while ((r = br.readLine())!= null) {
			StringTokenizer sto = new StringTokenizer(r);
			r_name = sto.nextToken();
		}
		}catch(IOException ie){
			System.err.println("error:" + ie.getMessage());
		}
		//读入学生信息		
		try{
			FileReader fr = new FileReader(r_name+".txt");
			BufferedReader br = new BufferedReader(fr);			
			r=br.readLine();
			info[0]=r;
			r=br.readLine();
			info[1]=r;
			r=br.readLine();
			info[2]=r;
			r=br.readLine();
			info[3]=r;
			}catch(IOException ie){
				System.err.println("error:" + ie.getMessage());
			}
			//显示学生信息
			b_totalinfo=Box.createHorizontalBox();
			b_info=Box.createVerticalBox();
			for (int i=0;i<4;i++){
				lb_info[i]=new JLabel();
			    lb_info[i].setText(info[i]);
			    b_info.add(lb_info[i]);	
			}									    
			try{
		     ImageIcon icon = new ImageIcon("pic//"+r_name+".jpg");
		     photo=new JLabel();
		     photo.setIcon(icon);
		     photo.setToolTipText("A photo of " + r_name.toLowerCase());
		     b_totalinfo.add(Box.createHorizontalStrut(35));
		     b_totalinfo.add(photo);
			}catch(Exception ie){
				System.err.println("error:" + ie.getMessage());
			}
			b_totalinfo.add(Box.createHorizontalStrut(35));
			b_totalinfo.add(b_info);
			//add(b_totalinfo,BorderLayout.CENTER);		     		     			
	}


	class MyEvent implements ActionListener{
		public void actionPerformed(ActionEvent evt) {
			Object source = evt.getSource();
			for (int i=0;i<4;i++)
				if(source==bt[i]){
					lf_card.show(wp, "lf_pn"+i);
				}	
			}
		}
	class LeftEvent implements ActionListener{
		public void actionPerformed(ActionEvent lf_evt) {
			Object source = lf_evt.getSource();
			for (int i=0;i<6;i++)
				borrow[i]=new Book();
			if (source==bbtt[0]){
				String r,temp1,temp2,temp3,temp4,temp5,temp6,temp7,temp8,temp9,temp0;
			  		int count=0;
					try{
					FileReader fileReader = new FileReader(r_name+"_borrow.txt");
					BufferedReader bufferReader = new BufferedReader(fileReader);
					while ((r = bufferReader.readLine()) != null) {
					
						StringTokenizer toKen_Student = new StringTokenizer(r);
						temp0=toKen_Student.nextToken();
						temp1=toKen_Student.nextToken();
						temp2=toKen_Student.nextToken();
						temp3=toKen_Student.nextToken();
						temp4=toKen_Student.nextToken();
						temp5=toKen_Student.nextToken();
						temp6=toKen_Student.nextToken();
						temp7=toKen_Student.nextToken();
						temp8=toKen_Student.nextToken();
						temp9=toKen_Student.nextToken();
						borrow[count].setNO(Integer.parseInt(temp0));					
						borrow[count].setName(temp1);
						borrow[count].setSort(temp2);
						borrow[count].setHolder(temp3);
						borrow[count].setDeadline(temp4);
						borrow[count].setISBN(temp5);
						borrow[count].setAuthor(temp6);
						borrow[count].setPublisher(temp7);
						borrow[count].setPrice(Double.parseDouble(temp8));
						borrow[count].setPublicTime(temp9);
						count++;
						}
					}catch(IOException ie){
						   System.err.println("error:" + ie.getMessage());
						   }
					for (int i=0;i<count;i++)
					text1.insert(borrow[i].getNO()+"  "+borrow[0].getName()+
						      "  "+borrow[i].getSort()+"  "+borrow[i].getAuthor()+
						      "  "+borrow[i].getPublisher()+"  "+borrow[i].getPrice()+
						      "  "+borrow[i].getPublicTime()+"\n",0);


				
			}
			if (source==bbtt[1]){
				findlist= (String)findList.getSelectedItem();	
				String find=tf[0].getText();
				if (findlist.equals("编号")){
					bk=LM.searchByNO(Integer.parseInt(find));
					if (bk==null)
						JOptionPane.showMessageDialog(null,"本图书馆没有此书！");	
					else{
					text1.setText(bk.getNO()+"  "+bk.getName()+
							      "  "+bk.getSort()+"  "+bk.getAuthor()+
							      "  "+bk.getPublisher()+"  "+bk.getPrice()+
							      "  "+bk.getPublicTime());
					}
				}
				if (findlist.equals("书名")){
					bk=LM.searchByName(find);
					if (bk==null)
						JOptionPane.showMessageDialog(null,"本图书馆没有此书！");	
					else{
					text1.setText(bk.getNO()+"  "+bk.getName()+
							      "  "+bk.getSort()+"  "+bk.getAuthor()+
							      "  "+bk.getPublisher()+"  "+bk.getPrice()+
							      "  "+bk.getPublicTime());
					}
				}
				if (findlist.equals("类别")){
					for (int i=0;i<10;i++){
					  sort_book[i]=(LM.searchBySort(find))[i];
					if (sort_book[i]==null)
						JOptionPane.showMessageDialog(null,"本图书馆没有此书！");
					else{
					text1.insert(sort_book[i].getNO()+"  "+sort_book[i].getName()+
							      "  "+sort_book[i].getSort()+"  "+sort_book[i].getAuthor()+
							      "  "+sort_book[i].getPublisher()+"  "+sort_book[i].getPrice()+
							      "  "+sort_book[i].getPublicTime()+"\n",0);
				}

					}
				}
			}
			if (source==bbtt[2]){
				String jtf2=tf[1].getText();
				int num=Integer.parseInt(jtf2);
				reserve=LM.reserve(num,r_name);
				if (reserve==true)
					 JOptionPane.showMessageDialog(null,"恭喜~~预约成功！");
				else
					 JOptionPane.showMessageDialog(null,"对不起，您不能预约该书！");
			}
			if (source==bbtt[3]){	
				String jtf3=tf[2].getText();
				int num=Integer.parseInt(jtf3);
				renew=LM.renew(num,r_name);
				if (renew==true)
					 JOptionPane.showMessageDialog(null,"恭喜~~续借成功！");
				else
					 JOptionPane.showMessageDialog(null,"对不起，您不能续借该书！");				
			}			
		}
	}			
	CardLayout lf_card;
	private JPanel wp=new JPanel();
	private JPanel np=new JPanel();
	private JPanel ep=new JPanel();
	private JPanel []lf_pn=new JPanel[4];
	private JLabel label1,label2,label3;
	private JLabel[]label=new JLabel[3];
	private JLabel[]warnlabel=new JLabel[3];
	private JTextField []tf=new JTextField[3];
	private JTextArea text1;
	private Box b1,b2;
	private Box[]b=new Box[3];
	private Box[]bb=new Box[4];
	private Box[]b_warn=new Box[3];
	private JScrollPane scroll;
	private JButton [] bt=new JButton[4];
	private JButton [] bbtt=new JButton[4];
	String r_name,r,information,findlist;
	private String []info={"","","",""};
	private JLabel []lb_info=new JLabel[4];
	private Box b_info,b_totalinfo;
	private JLabel photo;		
	private JComboBox findList;
	private String[] findName={"编号","书名","类别"};
	private boolean renew=false,reserve=false;
}