2021/4/7

1.今日收获内容
servlet

package Servlet;

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

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 javax.servlet.http.HttpSession;
import java.text.SimpleDateFormat;
import java.util.Date;

import Bean.*;

import Dao.Dao;


@WebServlet("/Servlet")
public class Servlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
	
    public Servlet() {
        super();
        
    }
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		req.setCharacterEncoding("utf-8");
		String method = req.getParameter("method");
		
		if ("zzt".equals(method)) {
			zzt(req, resp);
		}
		
	}   
    
    
 
	private void zzt(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
		req.setCharacterEncoding("utf-8");
		
		Dao dao =new Dao();
		String time = (req.getParameter("time"));
		String locate= (req.getParameter("locate"));
		
		System.out.println(locate);
		
		
		SimpleDateFormat sdf = new SimpleDateFormat();// 格式化时间 
        sdf.applyPattern("yyyy-MM-dd");// a为am/pm的标记  
        Date date = new Date();// 获取当前时间 
        System.out.println(date.toString());
        
		
		List<Diqu> holds = dao.cha(time,locate);
		List<Diqu2> holds2 = dao.cha2(time,locate);
		List<china> holds3 = dao.cha3("2021-03-29");
		String []m=new String[34];
		String []n=new String[34];
		String j="";
		String k="";
		
		for(int i=0;i<holds3.size();i++)
		{
			china f=holds3.get(i);
			j=f.getQue();
			k=f.getNewque();
			
		}
		System.out.println(j);
		for(int i=0;i<holds.size();i++)
		{
			Diqu d=holds.get(i);
			m[i]=d.getPerson();
			n[i]=d.getDiqu();
		}
		HttpSession session = req.getSession();
		req.setAttribute("k",k);
		req.setAttribute("j",j);
		req.setAttribute("m",m);
		req.setAttribute("mm",n);
		
		req.setAttribute("holds", holds);
		req.setAttribute("holds2", holds2);
		req.setAttribute("holds3", holds3);
		System.out.println("d"+holds);
		req.getRequestDispatcher("index.jsp").forward(req,resp);
}
}

 
2.遇到的问题
sesion传输数据不成功

3.明天目标

java