public class Header extends GenericServlet { public void service(ServletRequest req,ServletResponse resp) throws ServletException, IOException { res.setContentType("text/html;charset=gb2312"); PrintWriter out =res.getWriter(); // Get the title of the page. Set to empty string if // no title parameter was given String titles[] = req.getParameterValues("title"); String title = ""; if (titles != null) { if (titles.length ＞ 0) { title = titles[0]; } }
// Format the standard header out.println("＜head＞＜title＞ 欢迎你到来 ＜/title＞＜/head＞"); out.println("＜H1 align='center'＞*** 欢迎你到来 *** ＜/H1＞＜hr＞");
// Wrap up out.flush(); out.close(); }
/** * ＜p＞Returns information about this servlet */
public String getServletInfo() { return "Header "; }
public void init(ServletConfig cfg) throws ServletException { super.init(cfg); }
public void destroy() { super.destroy(); } } 标准的页脚 Footer.java 的源代码如下：
import javax.servlet.*; import java.io.*;
public class Footer extends GenericServlet { public void service(ServletRequest req,ServletResponse resp) throws ServletException, IOException { res.setContentType("text/html;charset=gb2312"); PrintWriter out =res.getWriter(); // Format the standard header out.println("＜hr＞"); out.println("＜p align='center'＞＜i＞ 版权所有，信息公司＜/i＞＜/p＞");
// Wrap up out.flush(); out.close(); }
/** * ＜p＞Returns information about this servlet */
public String getServletInfo() { return "Footer "; }
public void init(ServletConfig cfg) throws ServletException { super.init(cfg); }
public void destroy() { super.destroy(); } } 服务器包含 Together.shtml 的源代码如下：
＜html＞ ＜servlet code=Header＞ ＜param name="title" value="GOOD"＞ ＜/servlet＞ ＜body＞ ＜dir＞ This a study programmer!;＜br＞ Are you Interested in ?;＜br＞ Let's go Research.＜br＞ ＜/dir＞ ＜servlet code=Footer＞ ＜/servlet＞ ＜/body＞ ＜/html＞
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