顶会热词

package com.lunwen.Servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.lunwen.bean.Select;
import com.lunwen.bean.data;
import com.lunwen.Dao.*;

/**
 * Servlet implementation class ClickServlet
 */
@WebServlet("/ClickServlet")
public class ClickServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ClickServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        request.setCharacterEncoding("UTF-8");
        String name=request.getParameter("name");//热词
        String keyword2=request.getParameter("keyword2");
        String keyword3=request.getParameter("keyword3");
        System.out.println(name+"数据传输成功");
        ShowDao sd = new ShowDao();
        if(name !=null && keyword2=="" &&keyword3=="") {
        List<data> list2 = sd.select1(name);
        request.setAttribute("list2", list2);}else if (name !=null && keyword2==null &&keyword3==null){
            List<data> list2 = sd.select1(name);
            request.setAttribute("list2", list2);
        }else {
            Select select=new Select(name,keyword2,keyword3);
              List<data> list2 = sd.secletAll(select);
              request.setAttribute("list2", list2);
        }
        request.getRequestDispatcher("ciyun.jsp").forward(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}