searchservlet.java~24~

来自「是一个简单的在线投票系统」· JAVA~24~ 代码 · 共 45 行

package votetool;

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

public class SearchServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        BaseDao db=new BaseDao();
        int a=db.getCount("A");
        int b=db.getCount("B");
        int c=db.getCount("C");
        int d=db.getCount("D");
        int e=a+b+c+d;
        request.setAttribute("A",a);
        request.setAttribute("B",b);
        request.setAttribute("C",c);
        request.setAttribute("D",d);
        request.setAttribute("E",e);
        this.getServletContext().getRequestDispatcher("/result.jsp").forward(request,response);

    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}