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Servlet简单实例

2008-04-18 09:46 197 查看

使用netbeans开发：

1 创建servletTest.java:

/**//*

* servletTest.java

* Created on 2008年4月18日, 上午9:32

package com;

import java.io.*;

import java.net.*;

import javax.servlet.*;

import javax.servlet.http.*;

/** *//**

* @author rulinma

* @version

public class servletTest extends HttpServlet ...{

/** *//** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.

* @param request servlet request

* @param response servlet response

protected void processRequest(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException ...{

response.setContentType("text/html;charset=UTF-8");

PrintWriter out = response.getWriter();

//TODO output your page here

out.println("<html>");

out.println("<head>");

out.println("<title>Servlet servletTest</title>");

out.println("</head>");

out.println("<body>");

out.println("<h1>Servlet servletTest at " + request.getContextPath () + "</h1>");

out.println("<body>");

out.println(getServletInfo());

out.println("</html>");

out.close();

}

// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

/** *//** Handles the HTTP <code>GET</code> method.

* @param request servlet request

* @param response servlet response

protected void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException ...{

processRequest(request, response);

}

/** *//** Handles the HTTP <code>POST</code> method.

* @param request servlet request

* @param response servlet response

protected void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException ...{

processRequest(request, response);

}

/** *//** Returns a short description of the servlet.

public String getServletInfo() ...{

return "Short description";

}

// </editor-fold>

}

2 xml配置文件

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<servlet-name>servletTest</servlet-name>

<servlet-class>com.servletTest</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>servletTest</servlet-name>

<url-pattern>/servletTest</url-pattern>

</servlet-mapping>

</web-app>

netbeans下配置如下：

Servlet名称：servletTest

Servlet 类：/com.servletTest （我的使用了com文件夹）

URL模式：/servletTest

运行：

http://localhost:8084/servelet/servletTest

显示如下：

Servlet servletTest at /servelet

Short description

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标签： servlet netbeans encoding html xml url

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