loginservlet.java

Tomcat中SSL配置（SSL安全协议认证）

package ssl;

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 LoginServlet extends HttpServlet 
{
	public LoginServlet() 
	{
		super();
	}

	public void destroy() {
		super.destroy();
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException 
	{
		response.setContentType("text/html");
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		out.println("不接受get请求!");
		out.flush();
		out.close();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{
		response.setContentType("text/html");
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		
		if(request.getParameter("username")==null || "".equals(request.getParameter("username")) ||
		   request.getParameter("password")==null || "".equals(request.getParameter("password")))
		{
			out.println("用户名或密码不能为空!");
			return;
		}
		
		String u = (String)request.getParameter("username");
		String p = (String)request.getParameter("password");
		
		if("admin".equals(u) && "admin".equals(p))
		{
			out.println("验证通过!");
		}
		else
		{
			out.println("非法用户名或密码!");
		}
		
		out.flush();
		out.close();
	}

	public void init() throws ServletException 
	{

	}
}