showgoodbooks.java

来自「scwcd的考试,测试代码,如果希望参加此类考试将非常的有帮助」· Java 代码 · 共 53 行

JAVA
53
字号
package scwcd.lab04;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class ShowGoodBooks extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
         throws IOException {
    ServletContext context = getServletContext();
    
    // 从 ServletContext 对象取出 allBooks 属性
    // (参考 InitializeBookList.java 第 43 行)
    GoodBooks books = (GoodBooks) context.getAttribute("allBooks");
    Iterator items = books.getBookList();

    response.setContentType("text/html;charset=GB2312");
    PrintWriter out = response.getWriter();

    out.println("<HTML>");
    out.println("<HEAD>");
    out.println("<TITLE>Java 好书推荐</TITLE>");
    out.println("</HEAD>");
    out.println("<H2>Java 好书推荐</H2>");
    out.println("<TABLE border=1  WIDTD=100%");
    
    // 显示栏位名称
    out.println("<TR>");
    out.println("<TD bgcolor=#C0C0C0>书名</TD>");
    out.println("<TD bgcolor=#C0C0C0>作者</TD>");
    out.println("<TD bgcolor=#C0C0C0>出版社</TD>");
    out.println("<TD bgcolor=#C0C0C0>ISBN</TD>");
    out.println("<TD bgcolor=#C0C0C0>售价</TD>");
    out.println("</TR>");
    
    // 显示每一条书籍数据
    while ( items.hasNext() ) {
      Book book = (Book) items.next();
      out.println("<TR>");
      out.println("<TD>" + book.getName() + "</TD>");
      out.println("<TD>" + book.getAuthor() + "</TD>");
      out.println("<TD>" + book.getPublisher() + "</TD>");
      out.println("<TD>" + book.getIsbn() + "</TD>");
      out.println("<TD>" + book.getPrice() + "</TD>");
      out.println("</TR>");
    }
    out.println("</TABLE>");
    out.println("</BODY>");
    out.println("</HTML>");
  }
}

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