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  • 每日日报2021.2.10

    今天完成内容:

    开发家庭小账本

    1.修改代码

    package com.edu.servlet;

    import java.io.IOException;
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Date;

    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.edu.dao.Userdao;
    import com.edu.entity.User;

    @WebServlet("/UpdateDoservlet")
    public class UpdateDoservlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    response.setCharacterEncoding("utf-8");
    String ids = request.getParameter("id");
    int id = Integer.parseInt(ids);
    String username = request.getParameter("username");
    String userused = request.getParameter("userused");
    String usermoney = request.getParameter("usermoney");
    String usedate = request.getParameter("usedate");
    String used = request.getParameter("used");
    Date date = new Date();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    try {
    date=sdf.parse(usedate);
    } catch (ParseException e) {
    // TODO 自动生成的 catc
    e.printStackTrace();
    }
    java.sql.Date sDate = new java.sql.Date(date.getTime());
    User user = new User(id,username,userused,usermoney,sDate,used);
    Userdao dao = new Userdao();
    if(dao.UpdateId(user))
    {
    System.out.println("修改成功!!!");
    }
    else {
    System.out.println("修改失败!!!");
    }
    request.getRequestDispatcher("/Showall.jsp").forward(request, response);
    }

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

    }

    package com.edu.servlet;

    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 com.edu.dao.Userdao;
    import com.edu.entity.User;

    @WebServlet("/Updateservlet")
    public class Updateservlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    Userdao dao = new Userdao();
    User user = new User();
    String ids = request.getParameter("id");
    int id = Integer.parseInt(ids);
    user = dao.ResearchId(id);
    request.setAttribute("user", user);
    /*if(dao.UpdateId(user))
    {
    System.out.println("修改成功!!!");
    }
    else {
    System.out.println("修改失败!!!");
    }*/
    request.getRequestDispatcher("/Updateused.jsp").forward(request, response);
    }
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub
    doGet(request, response);
    }

    }

    遇到问题:

    明日目标:

    学习Android studio的开发

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  • 原文地址:https://www.cnblogs.com/leiyu1905/p/14905764.html
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