Java中Servlet請求拼接傳參

Servlet中的代碼：

package com.snack.pay;

import java.io.IOException;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.snack.model.Orderinfo;
import net.sf.json.JSONArray;

/**
  *   日收益的Servlet
 */
public class DaysinfoServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
	private DaysinfoDao powerDao=new DaysinfoDao();
	private DbUtil dbUtil=new DbUtil();
    /**
     * @see HttpServlet#HttpServlet()
     */
    public DaysinfoServlet() {
        super();
        // TODO Auto-generated constructor stub
    }


	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		this.doPost(request, response);
	}


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		request.setCharacterEncoding("utf-8");
		// billdata 是對賬的日期
		String billdata = request.getParameter("billdata");
		response.getWriter().append("內容: "+billdata).append(request.getContextPath());
		System.out.println("內容："+billdata);
		
	}
}

URL地址：

http://localhost:8080/SnackShop/DaysinfoServlet?billdata=”2019-4-7“