bookshelf.java

大学java作业源程序

package problem_10;
//BookShelf.java
import java.util.*;
import java.awt.*;
import javax.swing.*;

//书架类，继承JFrame类
public class BookShelf extends JFrame{
	private static final long serialVersionUID = 1L;	//ID编号
	JFrame jframe;
	JTable jtable;
	JScrollPane jscrollpane;
	
	public BookShelf(Bag bag){
		jframe = new JFrame("Book Shelf");		//创建书架窗口		
		final String[] columnName = {"Title", "Author", "Press", "Date", "Price"};		//表格标题行
		Object[][] detailData = new Object[bag.getBooklist().size()][6];	//表格内容
		//向表格中添加内容
		Iterator<Book> itr = bag.getBooklist().iterator();
		int i = 0;
		while(itr.hasNext()){
			Book tempBook = itr.next();
			detailData[i][0] = tempBook.getTitle();
			detailData[i][1] = tempBook.getAuthor();
			detailData[i][2] = tempBook.getPress();
			detailData[i][3] = tempBook.getDate();
			detailData[i][4] = tempBook.getPrice();
			i++;
		}	
		jtable = new JTable(detailData, columnName);	//建立表格
		jtable.setDragEnabled(true);		//允许拖拽改变表格大小
		jtable.getColumnModel().getColumn(0).setPreferredWidth(200);	//设置表格首列宽度
		JScrollPane jscrollpane = new JScrollPane(jtable);
		this.getContentPane().add(jscrollpane, BorderLayout.CENTER);
		jframe.add(jtable);		//在窗口中添加表格		
	}
	
	//显示书架
	public void displayBookShelf(){
		jframe.pack();		//窗口大小自适应
		jframe.setVisible(true);	//显示窗口
	}
}