📄 welcomeservlet.java
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// Fig. 5.02_01: WelcomeServlet.java
// 简单地处理客户端 get 请求的 servlet
package com.fatcat.webchart;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class WelcomeServlet extends HttpServlet {
// 处理客户端的 "get" 请求
protected void doGet( HttpServletRequest request,
HttpServletResponse response )
throws ServletException, IOException
{
response.setContentType( "text/html;charset=gb2312" );
PrintWriter out = response.getWriter();
// 发送 XHTML 格式的页面给客户端
// 开始生成 XHTML 文档
out.println( "<?xml version = \"1.0\"?>" );
out.println( "<!DOCTYPE html PUBLIC \"-//W3C//DTD " +
"XHTML 1.0 Strict//EN\" \"http://www.w3.org" +
"/TR/xhtml1/DTD/xhtml1-strict.dtd\">" );
out.println( "<html xmlns = \"http://www.w3.org/1999/xhtml\">" );
// 生成文档的head部分
out.println( "<head>" );
out.println( "<title>简单地处理客户端\"get\"请求的servlet</title>" );
out.println( "</head>" );
// 生成文档的body部分
out.println( "<body>" );
out.println( "<h1>您好，<br>欢迎进入Servlet图表编程的世界</h1>" );
out.println( "</body>" );
// 结束 XHTML 文档
out.println( "</html>" );
out.close(); // 关闭输出流
}
}
/**************************************************************************
* (C) Copyright 2004-2005 by Jingkui Zhong(钟京馗) and Huan Tang(唐桓). *
* All Rights Reserved. *
* *
* DISCLAIMER: The authors of this code have used their *
* best efforts in preparing the code. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these codes. The authors *
* shall not be liable in any event for incidental or consequential *
* damages in connection with, or arising out of, the furnishing, *
* performance, or use of these programs. *
**************************************************************************/
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