📄 loginservlet.java

📁 本系统实现的是一个信息发布平台

💻 JAVA

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/*
 * 创建日期 2005-8-24
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package cn.edu.bit.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cn.edu.bit.business.Admin_Manager;



/**
 * @author ligang
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class LoginServlet extends HttpServlet{
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException
{
	response.setContentType("text/html;charset=gb2312");

	PrintWriter out = response.getWriter();

	out.println("<html>");

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

	out.println("<body bgcolor=\"#ffffff\">");

	out.println(
	"<p>服务器忙，请稍后再来！</p>");

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

}

public void doPost(
		HttpServletRequest request,
		HttpServletResponse response)
		throws ServletException, IOException
	{
	
		HttpSession ses = request.getSession();
	
		String username = (String)request.getParameter("username");
		
		String password = (String)request.getParameter("password");
		
		boolean tag = Admin_Manager.CheckAdmin(username,password);
		

		
		/**如果存在此用户*/
		if(tag)
		{

			
			ses.setAttribute("username",username);
			
			RequestDispatcher requestDispatcher = request.getRequestDispatcher("guanli/login/success.jsp");
			
			requestDispatcher.forward(request,response);
		}
		else
		{
			ses.setAttribute("error","error");
			
			RequestDispatcher requestDispatcher = request.getRequestDispatcher("guanli/login/failure.jsp");
			
			requestDispatcher.forward(request,response);
		}

	}


}

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