第二课

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处理表单数据get方法
1. LoginServlet.java

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

public class LoginServlet extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)
throws ServletException,IOException
{
PrintWriter out=response.getWriter();
String name=request.getParameter("username");
String pwd=request.getParameter("pwd");
out.println("<html><head></head><body>");
out.println("your name :"+ name +"<br>");
out.print("your password:"+ pwd +"<br>");
out.println("</body></html>");
}
}
2.web.xml配置文件

<web-app>
<servlet>
<servlet-name>login</servlet-name>
<servlet-class>LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>login</servlet-name>
<url-pattern>/Login</url-pattern>
</servlet-mapping>
</web-app>

3.login.html

<HTML>
<HEAD>
<TITLE> New Document </TITLE>
</HEAD>