servlet主要内容 以及web.xml配置servlet



servlet主要内容 以及web.xml配置servlet

package com.wenq.www.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Test extends HttpServlet {
public Test() {
super();
}
public void destroy() {
super.destroy();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(“text/html;charset=GBK”);
request.setCharacterEncoding(“GBK”);
PrintWriter out = response.getWriter();
out.println(“<!DOCTYPE HTML PUBLIC /”-//W3C//DTD HTML 4.01 Transitional//EN/”>”);
out.println(“<HTML>”);
out.println(” <HEAD><TITLE>A Servlet</TITLE></HEAD>”);
out.println(” <BODY>”);
out.print(” This is “);
out.print(this.getClass());
out.println(“我很爱你！”);
out.println(” </BODY>”);
out.println(“</HTML>”);
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(“text/html”);
PrintWriter out = response.getWriter();
out
.println(“<!DOCTYPE HTML PUBLIC /”-//W3C//DTD HTML 4.01 Transitional//EN/”>”);
out.println(“<HTML>”);
out.println(” <HEAD><TITLE>A Servlet</TITLE></HEAD>”);
out.println(” <BODY>”);
out.print(” This is “);
out.print(this.getClass());
out.println(“, using the POST method”);
out.println(” </BODY>”);
out.println(“</HTML>”);
out.flush();
out.close();
}
public void init() throws ServletException {
}
}

 

web.xmle配置

 

[xhtml] view plaincopy
<?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>
<description>This is the description of my J2EE component</description>
<display-name>测试程序</display-name>
<servlet-name>Test</servlet-name>
<servlet-class>com.wenq.www.servlet.Test</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Test</servlet-name>
<url-pattern>/test</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>