simpleservlet.java

来自「张新曼 精通JSP Web 开发技术与典型应用 随书光盘源码」· Java 代码 · 共 49 行

JAVA
49
字号
package test;

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

/**
 * 
 * @author Administrator
 *
 * 一个简单的servlet程序:返回用户的IP地址
 */

public class SimpleServlet extends HttpServlet {
	
  public void init(
		            ServletConfig config)
                    throws ServletException {
 	  super.init(config);
 }
  
 public void doGet(
		            HttpServletRequest request,
                    HttpServletResponse response)
                    throws ServletException, IOException {
	 doPost(request, response);
 }
 
 //得到请求用户的IP,并打印出来
 public void doPost(
		             HttpServletRequest request,
                     HttpServletResponse response)
                     throws ServletException, IOException {
    
	 response.setContentType("text/html");
	 PrintWriter out = response.getWriter();
	 out.println("<html>");
	 out.println("<head><title>Simple Servlet</title></head>");
	 out.println("<body>");
	 out.println("<center><font size=6 color=red>");
     out.println("Your address is " + request.getRemoteAddr()+ "\n");
     out.println("</font></center>");
     out.println("</body></html>");
     out.close();
 }
 
}

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