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新建web項目,web03-OutputInfojava
新建servlet,OutputInfo.javaweb
其內容爲:、瀏覽器
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html;charset=utf-8"); PrintWriter out=resp.getWriter(); Enumeration headNames=req.getHeaderNames(); out.println("<center>"); out.println("<table border=1 align=center>"); out.println("<caption>Servelet接收到的Http消息報頭的信息</caption"); out.println("<tr bgcolor=#999999"); out.println("<th>消息報頭的名字</th>"); out.println("<th>消息報頭的值</th>"); out.println("</tr>"); while(headNames.hasMoreElements()) { String name=(String)headNames.nextElement(); String value=req.getHeader(name); out.println("<tr>"); out.println("<td>"+name+"</td>"); out.println("<td>"+value+"</td>"); out.println("</tr>"); } out.println("</table><p>"); out.println("<table border=1 align=center>"); out.println("<caption>其餘訪問信息</caption"); out.println("<tr>"); out.println("<td>客戶端的IP地址</td>"); out.println("<td>"+req.getRemoteAddr()+"</td>"); out.println("</tr>"); out.println("<tr>"); out.println("<td>客戶端的端口號</td>"); out.println("<td>"+req.getRemotePort()+"</td>"); out.println("</tr>"); out.println("<tr>"); out.println("<td>服務器的IP地址</td>"); out.println("<td>"+req.getLocalAddr()+"</td>"); out.println("</tr>"); out.println("<tr>"); out.println("<td>服務器的端口號</td>"); out.println("<td>"+req.getLocalPort()+"</td>"); out.println("</tr>"); out.println("</table>"); out.println("</center></body></html>"); out.close(); }
----服務器
配置web.xmlapp
爲:學習
<servlet> <description>This is the description of my J2EE component</description> <display-name>This is the display name of my J2EE component</display-name> <servlet-name>OutputInfo</servlet-name> <servlet-class>OutputInfo</servlet-class> </servlet> <servlet-mapping> <servlet-name>OutputInfo</servlet-name> <url-pattern>/OutputInfo</url-pattern> </servlet-mapping>
----網站
在瀏覽器中訪問:http://localhost:8080/web03-outPutInfo/OutputInfourl
結果爲:spa