可返回站点的根路径request.getContextPath()

package com.v512.webproject2;

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 LoginFormServlet extends HttpServlet {


public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println(" ");
out.println(" ");


out.print("

");


out.println("用户名："+"
");
out.println("密　码："+"
");
out.println("");
out.print("");
out.print("

");
out.println("request.getContextPath" +"用来活动web应用的名字webprject2"+"
");
out.println("用post的提交方式提交到自己的post"+"
");
out.println("解决乱码request.setCharacterEncoding(\"utf-8\")"+"
");
out.println(" ");
out.println("");
out.flush();
out.close();
}


public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("");
out.println(" ");
out.println(" ");
request.setCharacterEncoding("utf-8");
out.print("用户名："+request.getParameter("username")+"
");
out.print("密 码："+request.getParameter("password")+"
");
out.println(" ");
out.println("");
out.flush();
out.close();
}

}

【责编:Chuan】

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