SSD1的Pratical-quiz-6答案

最新推荐文章于 2017-07-26 15:44:37 发布

guofengzai

最新推荐文章于 2017-07-26 15:44:37 发布

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文章标签： string attributes import class image stream

本文链接：https://blog.youkuaiyun.com/guofengzai/article/details/2006918

本文介绍了一个名为 OOGallery 的 Java 类，该类继承自 HttpServlet，用于处理 HTTP POST 请求，通过获取用户提交的主题和背景图片参数来创建 HTML 页面并显示两幅主题图片。

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{声明：不得转载}
当时好像使用DJ Java Decompiler反编译iCarnegie给的.class文件，然后抄了一点代码，我给出的代码好像不能编译，各位仔细咯
/**
* Author:
* Date:    05-09
* Description: exercise6
*/
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class OOGallery extends HttpServlet {
    public void doPost(HttpServletRequest request,
                        HttpServletResponse response)
                        throws ServletException, IOException {

        /**
        * Indicate the content type (for example, text/html),
        * being returned by the response
        */
        /* Add your code here */

        response.setContentType("text/html");

        /**
        *     Retrieve an output stream to use to send data to the client
        */
        /* Add your code here */

        PrintWriter out = response.getWriter();
        /**
        *    Get the user input from the form
        */
        /* Add your code here */
        String ThemePicture1 = request.getParameter("theme")+"One";
        String ThemePicture2 = request.getParameter("theme")+"Two";
        String BackgroundImage = "/"+request.getParameter("bgrnd")+".gif";
        String Bgcolor="#FFF8DC";

        /**
        *     Create an instance of the HtmlPage class
        */
        /* Add your code here */
        HtmlPage htmlPage = new HtmlPage();

        /**
        *     Create an instance of the HtmlImage class for the first image
        */
        /* Add your code here */
        HtmlImage htmlImage1 = new HtmlImage("/" + ThemePicture1 + ".jpg", ThemePicture1);

        /**
        *     Create an instance of the HtmlImage class for the second image
        */
        /* Add your code here */
        HtmlImage htmlImage2 = new HtmlImage("/" + ThemePicture2 + ".jpg", ThemePicture2);

        /**
        *     Set the attributes of the HtmlPage object
        */
        /* Add your code here */
        htmlPage.setTitle("OOGalleryPage using HtmlPage and HtmlImage classes");
        htmlPage.setBackgroundImage(BackgroundImage);
    htmlPage.setBackgroundColor("Bgcolor");

        /**
        *     Add the images
        */
        /* Add your code here */
        String picture1=htmlImage1.buildHtml();
        String picture2=htmlImage2.buildHtml();
        htmlPage.addText(picture1);
        htmlPage.addText("<BR>");
        htmlPage.addText("<BR>");
        htmlPage.addText(picture2);

        /**
        *    Finish building the Web page
        */
        /* Add your code here */
        out.println(htmlPage.buildHtml());

    }
}