The tenth day of winter vacation

package com.zzw.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class AddBillServlet extends HttpServlet {
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String type= request.getParameter("btype");
        int money=Integer.parseInt(request.getParameter("bmoney"));
        String date= request.getParameter("bdate");
        String remark= request.getParameter("bremark");
        Bill bill =new Bill(type,money,date,remark);
        //接口 x=new 实现类（）
        IUserService userservice = new UserServiceImpl();
        boolean result=userservice.AddBill(bill);
    
        if(!result) {
            request.setAttribute("message","error");
        }else {
            request.setAttribute("message","noerror");
        }
        request.getRequestDispatcher("add.jsp").forward(request, response);
    }

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

}
package com.zzw.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;

public class DeleteBillServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        int id= Integer.parseInt(request.getParameter("bid"));
        IUserService userservice = new UserServiceImpl();
        boolean result=userservice.DeleteBill(id);

        if(!result) {
            request.setAttribute("message","error");
        }else {
            request.setAttribute("message","noerror");
        }
        request.getRequestDispatcher("QueryAllBillServlet").forward(request, response);
    }


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

}
package com.zzw.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.zzw.entity.User;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class LoginServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String name= request.getParameter("uname");
        String pwd= request.getParameter("upwd");
        User user = new User(name,pwd);
        //接口 x=new 实现类（）
        IUserService userservice = new UserServiceImpl();
        boolean result=userservice.Login(user);
    
        if(!result) {
            request.setAttribute("message","error");
            request.getRequestDispatcher("login.jsp").forward(request, response);
        }else {
            request.setAttribute("message","noerror");
            request.getRequestDispatcher("index.jsp").forward(request, response);
        }
    }

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

}
package com.zzw.servlet;

import java.io.IOException;
import java.io.PrintWriter;
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.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class QueryAllBillServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        
        IUserService userservice = new UserServiceImpl();
        List <Bill> Bills = userservice.QueryAll ();
         // OUT target acquisition method of 
        the PrintWriter OUT = response.getWriter ();
        request.setAttribute("bills", bills);
        request.getRequestDispatcher("show.jsp").forward(request, response);
    }


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

}
package com.zzw.servlet;

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

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



import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class QueryBillServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        the response.setContentType ( "text / HTML; charset = UTF-. 8" );
         // Get be queried modified human student number 
        int ID = the Integer.parseInt (request.getParameter ( "Bid" ));
        
        IUserService userservice = new UserServiceImpl();
        Bill Bill = userservice.Query (ID);
         // Get out the method object 
        the PrintWriter out = response.getWriter ();
        out.println(bill);
        request.setAttribute("bill", bill);
        request.getRequestDispatcher("billinfo.jsp").forward(request, response);
    }

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

}
package com.zzw.servlet;

import java.io.IOException;
import java.io.PrintWriter;
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.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class QueryDateServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String date=request.getParameter("bdate");
        IUserService userservice = new UserServiceImpl();
        List <Bill> Bills = userservice.QueryDate (DATE);
         // OUT target acquisition method of 
        the PrintWriter OUT = response.getWriter ();
        request.setAttribute("bills", bills);
        request.getRequestDispatcher("screendate.jsp").forward(request, response);
    }


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

}
package com.zzw.servlet;

import java.io.IOException;
import java.io.PrintWriter;
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.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class QueryPartBillServlet extends HttpServlet {
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String type=request.getParameter("btype");
        String date=request.getParameter("bdate");
        System.out.println(type+date);
        IUserService userservice = new UserServiceImpl();
        List <Bill> Bills = userservice.QueryPart (type, DATE);
         // OUT target acquisition method of 
        the PrintWriter OUT = response.getWriter ();
        request.setAttribute("bills", bills);
        request.getRequestDispatcher("screen.jsp").forward(request, response);
    }


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

}
package com.zzw.servlet;

import java.io.IOException;
import java.io.PrintWriter;
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.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class QueryTypeServlet extends HttpServlet {
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String type=request.getParameter("btype");
        IUserService userservice = new UserServiceImpl();
        List <Bill> Bills = userservice.QueryType (type);
         // OUT target acquisition method of 
        the PrintWriter OUT = response.getWriter ();
        request.setAttribute("bills", bills);
        request.getRequestDispatcher("screentype.jsp").forward(request, response);
    }


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

}
package com.zzw.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.zzw.entity.User;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;




public class RegisterServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String name= request.getParameter("uname");
        String pwd= request.getParameter("upwd");
        String sex= request.getParameter("usex");
        User user = new User(name,pwd,sex);
        //接口 x=new 实现类（）
        IUserService userservice = new UserServiceImpl();
        boolean result=userservice.Register(user);
    
        if(!result) {
            request.setAttribute("message","error");
            request.getRequestDispatcher("register.jsp").forward(request, response);
        }else {
            request.setAttribute("message","noerror");
            request.getRequestDispatcher("register.jsp").forward(request, response);
        }
    }

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

}
package com.zzw.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.zzw.entity.Bill;
import com.zzw.service.IUserService;
import com.zzw.service.Impl.UserServiceImpl;


public class UpdateBillServlet extends HttpServlet {

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        the response.setContentType ( "text / HTML; charset = UTF-. 8" );
         // Science acquired number of people to be modified 
        int ID = the Integer.parseInt (request.getParameter ( "Bid" ));
         // Get the modified content 
        request.getParameter of the type = String ( "btype" );
         int Money = Integer.parseInt (request.getParameter ( "bmoney" ));
        String date= request.getParameter("bdate");
        The remark String = request.getParameter ( "bremark" );
         // the modified content package to a class entity 
        Bill Bill = new new Bill (type, Money, DATE, the remark);
        IUserService userservice = new UserServiceImpl();
        boolean result=userservice.UpdateBill(id,bill);
        if(!result) {
            request.setAttribute("message","error");
        }else {
            request.setAttribute("message","noerror");
        }
        request.getRequestDispatcher("QueryAllBillServlet").forward(request, response);
    }


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

}

Household account book servlet container as part of the class