Java过关测验

库存物资管理系统
一、背景资料：
1、有一个存放商品的仓库，每天都有商品出库和入库。
2、每种商品都有名称、生产厂家、型号、规格等。
3、出入库时必须填写出入库单据，单据包括商品名称、生产厂家、型号、
规格、数量、日期、时间、入库单位（或出库单位）名称、送货（或提货）人
姓名。
二、系统要求与功能设计
2.1 页面要求
（1）能够在 Tomcat 服务器中正确部署，并通过浏览器查看；（1 分）
（2）网站页面整体风格统一；
2.2 设计要求
1、设计出入库单据的录入。
2、实现按商品名称、出入库日期的查询。

CourseDao.java

对数据库的操作，实现增删改查

package com.hjf.dao;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import com.hjf.entity.Course;
import com.hjf.util.DBUtil;

public class CourseDao {

    public boolean add(Course course) {
        String sql = "insert into course(name, changjia, xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo)"
                + " values('" + course.getName() + "','" + course.getChangjia() + "','" + course.getXinghao() + "','" +course.getGuige() +"','" + course.getShuliang()+ "','" +course.getRiqi()+ "','" +course.getShijian()+ "','" +course.getRuku()+ "','" +course.getChuku()+ "','" +course.getSonghuo()+ "','" +course.getTihuo()+"')";
        //sql=" insert into course(name,changjia,xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo) values ('8','8','8','8','8','8','8','8','8','8','8')";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        boolean f = false;
        int a = 0;

        try {
            state = conn.createStatement();
            state.executeUpdate(sql);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(state, conn);
        }

        if (a > 0) {
            f = true;
        }
        return f;
    }

    public boolean delete (int id) {
        boolean f = false;
        String sql = "delete from course where id='" + id + "'";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        int a = 0;

        try {
            state = conn.createStatement();
            a = state.executeUpdate(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(state, conn);
        }

        if (a > 0) {
            f = true;
        }
        return f;
    }

    public boolean update(Course course) {
        String sql = "update course set name='" + course.getName() + "', changjia='" + course.getChangjia() + "', xinghao='" + course.getXinghao()+ "', guige='" + course.getGuige()+ "',shuliang='" + course.getShuliang()+ "', riqi='" + course.getRiqi()+ "',shijian='" + course.getShijian()+ "', ruku='" + course.getRuku()+ "', chuku='" + course.getChuku()+ "',songhuo='" + course.getSonghuo()+ "', tihuo='" + course.getTihuo()
            + "' where id='" + course.getId() + "'";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        boolean f = false;
        int a = 0;

        try {
            state = conn.createStatement();
            a = state.executeUpdate(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(state, conn);
        }

        if (a > 0) {
            f = true;
        }
        return f;
    }

    public boolean name(String name) {
        boolean flag = false;
        String sql = "select name from course where name = '" + name + "'";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        ResultSet rs = null;

        try {
            state = conn.createStatement();
            rs = state.executeQuery(sql);
            while (rs.next()) {
                flag = true;
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(rs, state, conn);
        }
        return flag;
    }

    public Course getCourseById(int id) {
        String sql = "select * from course where id ='" + id + "'";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        ResultSet rs = null;
        Course course = null;

        try {
            state = conn.createStatement();
            rs = state.executeQuery(sql);
            while (rs.next()) {
                String name = rs.getString("name");
                String changjia = rs.getString("changjia");
                String xinghao = rs.getString("xinghao");
                String guige = rs.getString("guige");
                String shuliang = rs.getString("shuliang");
                String riqi = rs.getString("riqi");
                String shijian = rs.getString("shijian");
                String ruku = rs.getString("ruku");
                String chuku = rs.getString("chuku");
                String songhuo = rs.getString("songhuo");
                String tihuo = rs.getString("tihuo");
                course = new Course(id, name, changjia, xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(rs, state, conn);
        }

        return course;
    }

    public Course getCourseByName(String name) {
        String sql = "select * from course where name ='" + name + "'";
        Connection conn = DBUtil.getConn();
        Statement state = null;
        ResultSet rs = null;
        Course course = null;

        try {
            state = conn.createStatement();
            rs = state.executeQuery(sql);
            while (rs.next()) {
                int id = rs.getInt("id");
                String name1 = rs.getString("name");
                String changjia = rs.getString("changjia");
                String xinghao = rs.getString("xinghao");
                String guige = rs.getString("guige");
                String shuliang = rs.getString("shuliang");
                String riqi = rs.getString("riqi");
                String shijian = rs.getString("shijian");
                String ruku = rs.getString("ruku");
                String chuku = rs.getString("chuku");
                String songhuo = rs.getString("songhuo");
                String tihuo = rs.getString("tihuo");
                course = new Course(id, name1,changjia, xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(rs, state, conn);
        }

        return course;
    }

    public List<Course> search(String name, String changjia, String xinghao,String guige,String shuliang,String riqi,String shijian,String ruku,String chuku,String songhuo,String tihuo) {
        String sql = "select * from course where ";
        if (name != "" &&name != null) {
            sql += "name like '%" + name + "%'";
        }
        if (changjia != ""&&changjia !=null) {
            sql += "changjia like '%" + changjia + "%'";
        }
        if (xinghao != ""&&xinghao!=null) {
            sql += "xinghao like '%" + xinghao + "%'";
        }
        if (guige != ""&&guige!=null) {
            sql += "guige like '%" + guige + "%'";
        }
        if (shuliang != ""&&shuliang!=null) {
            sql += "shuliang like '%" + shuliang + "%'";
        }
        if (riqi != ""&&riqi!=null) {
            sql += "riqi like '%" + riqi + "%'";
        }
        if (shijian != ""&&shijian!=null) {
            sql += "shijian like '%" + shijian + "%'";
        }
        if (ruku != ""&&ruku!=null) {
            sql += "ruku like '%" + ruku + "%'";
        }
        if (chuku != ""&&chuku!=null) {
            sql += "chuku like '%" + chuku + "%'";
        }
        if (songhuo != ""&&songhuo!=null) {
            sql += "songhuo like '%" + songhuo + "%'";
        }
        if (tihuo!= ""&&tihuo!=null) {
            sql += "tihuo like '%" + tihuo + "%'";
        }
        List<Course> list = new ArrayList<>();
        Connection conn = DBUtil.getConn();
        Statement state = null;
        ResultSet rs = null;

        try {
            state = conn.createStatement();
            rs = state.executeQuery(sql);
            Course bean = null;
            while (rs.next()) {
                int id = rs.getInt("id");
                String name2 = rs.getString("name");
                String changjia2 = rs.getString("changjia");
                String xinghao2 = rs.getString("xinghao");
                String guige2 = rs.getString("guige");
                String shuliang2 = rs.getString("shuliang");
                String riqi2 = rs.getString("riqi");
                String shijian2 = rs.getString("shijian");
                String ruku2 = rs.getString("ruku");
                String chuku2 = rs.getString("chuku");
                String songhuo2 = rs.getString("songhuo");
                String tihuo2 = rs.getString("tihuo");
                bean = new Course(id, name2, changjia2,xinghao2,guige2,shuliang2,riqi2,shijian2,ruku2,chuku2,songhuo2,tihuo2);
                System.out.println(bean.getName());
                list.add(bean);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(rs, state, conn);
        }

        return list;
    }

    public List<Course> list() {
        String sql = "select * from course";
        List<Course> list = new ArrayList<>();
        Connection conn = DBUtil.getConn();
        Statement state = null;
        ResultSet rs = null;

        try {
            state = conn.createStatement();
            rs = state.executeQuery(sql);
            Course bean = null;
            while (rs.next()) {
                int id = rs.getInt("id");
                String name2 = rs.getString("name");
                String changjia2 = rs.getString("changjia");
                String xinghao2 = rs.getString("xinghao");
                String guige2 = rs.getString("guige");
                String shuliang2 = rs.getString("shuliang");
                String riqi2 = rs.getString("riqi");
                String shijian2 = rs.getString("shijian");
                String ruku2 = rs.getString("ruku");
                String chuku2 = rs.getString("chuku");
                String songhuo2 = rs.getString("songhuo");
                String tihuo2 = rs.getString("tihuo");
                bean = new Course(id, name2, changjia2,xinghao2,guige2,shuliang2,riqi2,shijian2,ruku2,chuku2,songhuo2,tihuo2);
                list.add(bean);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            DBUtil.close(rs, state, conn);
        }

        return list;
    }

}

对于数据的封装

Course.java

package com.hjf.entity;

public class Course {

    private int id;
    private String name;
    private String changjia;
    private String xinghao;
    private String guige;
    private String shuliang;
    private String riqi;
    private String shijian;
    private String ruku;
    private String chuku;
    private String songhuo;
    private String tihuo;

    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getChangjia() {
        return changjia;
    }
    public void setChangjia(String changjia) {
        this.changjia = changjia;
    }
    public String getXinghao() {
        return xinghao;
    }
    public void setXinghao(String xinghao) {
        this.xinghao = xinghao;
    }
    public String getGuige() {
        return guige;
    }
    public void setGuige(String guige) {
        this.guige = guige;
    }
    public String getShuliang() {
        return shuliang;
    }
    public void setShuliang(String shuliang) {
        this.shuliang = shuliang;
    }
    public String getRiqi() {
        return riqi;
    }
    public void setRiqi(String riqi) {
        this.riqi = riqi;
    }
    public String getShijian() {
        return shijian;
    }
    public void setShijian(String shijian) {
        this.shijian = shijian;
    }
    public String getRuku() {
        return ruku;
    }
    public void setRuku(String ruku) {
        this.ruku = ruku;
    }
    public String getChuku() {
        return chuku;
    }
    public void setChuku(String chuku) {
        this.chuku = chuku;
    }
    public String getSonghuo() {
        return songhuo;
    }
    public void setSonghuo(String songhuo) {
        this.songhuo = songhuo;
    }
    public String getTihuo() {
        return tihuo;
    }
    public void setTihuo(String tihuo) {
        this.tihuo = tihuo;
    }
    public Course() {}

    public Course(int id, String name, String changjia, String xinghao, String guige, String shuliang, String riqi, String shijian, String ruku, String chuku, String songhuo, String tihuo) {
        this.id = id;
        this.name = name;
        this.changjia = changjia;
        this.xinghao = xinghao;
        this.guige = guige;
        this.shuliang = shuliang;
        this.riqi = riqi;
        this.shijian = shijian;
        this.ruku = ruku;
        this.chuku = chuku;
        this.songhuo = songhuo;
        this.tihuo = tihuo;
    }

    public Course(String name,  String changjia, String xinghao, String guige, String shuliang, String riqi, String shijian, String ruku, String chuku, String songhuo, String tihuo) {
        this.name = name;
        this.changjia = changjia;
        this.xinghao = xinghao;
        this.guige = guige;
        this.shuliang = shuliang;
        this.riqi = riqi;
        this.shijian = shijian;
        this.ruku = ruku;
        this.chuku = chuku;
        this.songhuo = songhuo;
        this.tihuo = tihuo;
    }
}

Course.java

数据的集合

CourseService.java

package com.hjf.service;

import java.util.List;

import com.hjf.dao.CourseDao;
import com.hjf.entity.Course;

/**
 * CourseService
 * @author Hu
 *
 */
public class CourseService {

    CourseDao cDao = new CourseDao();

    /**
     * @param course
     * @return
     */
    public boolean add(Course course) {
        boolean f = false;
        if(!cDao.name(course.getName())) {
            cDao.add(course);
            f = true;
        }
        return f;
    }

    /**

     */
    public void del(int id) {
        cDao.delete(id);
    }

    /**
     * @return
     */
    public void update(Course course) {
        cDao.update(course);
    }

    /**

     * @return
     */
    public Course getCourseById(int id) {
        return cDao.getCourseById(id);
    }

    /**

     * @return
     */
    public Course getCourseByName(String name) {
        return cDao.getCourseByName(name);
    }

    /**
     * @return
     */
    public List<Course> search(String name,String changjia, String xinghao, String guige, String shuliang, String riqi, String shijian, String ruku, String chuku, String songhuo, String tihuo) {
        return cDao.search(name, changjia,xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);
    }

    public List<Course> list() {
        return cDao.list();
    }
}

CourseService.java

连接数据库，实现增删改查

CourseServlet.java

package com.hjf.servlet;

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

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.hjf.entity.Course;
import com.hjf.service.CourseService;

@WebServlet("/CourseServlet")
public class CourseServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    CourseService service = new CourseService();

    /**
     * 鏂规硶閫夋嫨
     */
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        String method = req.getParameter("method");
        if ("add".equals(method)) {
            add(req, resp);
        } else if ("del".equals(method)) {
            del(req, resp);
        } else if ("update".equals(method)) {
            update(req, resp);
        } else if ("search".equals(method)) {
            search(req, resp);
        } else if ("getcoursebyid".equals(method)) {
            getCourseById(req, resp);
        } else if ("getcoursebyname".equals(method)) {
            getCourseByName(req, resp);
        } else if ("list".equals(method)) {
            list(req, resp);
        }
    }

    /**
     * @param req
     * @param resp
     * @throws IOException
     * @throws ServletException
     */
    private void add(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
        req.setCharacterEncoding("utf-8");
        String name = req.getParameter("name");
        String changjia = req.getParameter("changjia");
        String xinghao = req.getParameter("xinghao");
        String guige = req.getParameter("guige");
        String shuliang = req.getParameter("shuliang");
        String riqi = req.getParameter("riqi");
        String shijian = req.getParameter("shijian");
        String ruku = req.getParameter("ruku");
        String chuku = req.getParameter("chuku");
        String songhuo = req.getParameter("songhuo");
        String tihuo = req.getParameter("tihuo");
        Course course = new Course(name,changjia,xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);

        if(service.add(course)) {
            req.setAttribute("message", "添加成功");
            req.getRequestDispatcher("add.jsp").forward(req,resp);
        } else {
            req.setAttribute("message", "添加失败");
            req.getRequestDispatcher("add.jsp").forward(req,resp);
        }
    }

    /**
     * @param req
     * @param resp
     * @throws ServletException
     */
    private void list(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        List<Course> courses = service.list();
        req.setAttribute("courses", courses);
        req.getRequestDispatcher("list.jsp").forward(req,resp);
    }

    /*
     * @param req
     * @param resp
     * @throws ServletException
     */
    private void getCourseById(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        int id = Integer.parseInt(req.getParameter("id"));
        Course course = service.getCourseById(id);
        req.setAttribute("course", course);
        req.getRequestDispatcher("detail2.jsp").forward(req,resp);
    }

    /*
     * @param req
     * @param resp
     * @throws IOException
     * @throws ServletException
     */
    private void getCourseByName(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        String name = req.getParameter("name");
        Course course = service.getCourseByName(name);
        if(course == null) {
            req.setAttribute("message", "无此商品");
            req.getRequestDispatcher("del.jsp").forward(req,resp);
        } else {
            req.setAttribute("course", course);
            req.getRequestDispatcher("detail.jsp").forward(req,resp);
        }
    }

    /**
     * @param req
     * @param resp
     * @throws IOException
     * @throws ServletException
     */
    private void del(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        int id = Integer.parseInt(req.getParameter("id"));
        service.del(id);
        req.setAttribute("message", "删除成功");
        req.getRequestDispatcher("del.jsp").forward(req,resp);
    }

    /**
     * @param req
     * @param resp
     * @throws IOException
     * @throws ServletException
     */
    private void update(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        int id = Integer.parseInt(req.getParameter("id"));
        String name = req.getParameter("name");
        String changjia = req.getParameter("changjia");
        String xinghao = req.getParameter("xinghao");
        String guige = req.getParameter("guige");
        String shuliang = req.getParameter("shuliang");
        String riqi = req.getParameter("riqi");
        String shijian = req.getParameter("shijian");
        String ruku = req.getParameter("ruku");
        String chuku = req.getParameter("chuku");
        String songhuo = req.getParameter("songhuo");
        String tihuo = req.getParameter("tihuo");
        Course course = new Course(id, name,changjia,xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);

        service.update(course);
        req.setAttribute("message", "修改成功");
        req.getRequestDispatcher("CourseServlet?method=list").forward(req,resp);
    }

    /**
     * @param req
     * @param resp
     * @throws ServletException
     */
    private void search(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{
        req.setCharacterEncoding("utf-8");
        String name = req.getParameter("name");
        String changjia = req.getParameter("changjia");
        String xinghao = req.getParameter("xinghao");
        String guige = req.getParameter("guige");
        String shuliang = req.getParameter("shuliang");
        String riqi = req.getParameter("riqi");
        String shijian = req.getParameter("shijian");
        String ruku = req.getParameter("ruku");
        String chuku = req.getParameter("chuku");
        String songhuo = req.getParameter("songhuo");
        String tihuo = req.getParameter("tihuo");
        List<Course> courses = service.search(name,changjia,xinghao,guige,shuliang,riqi,shijian,ruku,chuku,songhuo,tihuo);
        req.setAttribute("courses", courses);
        req.getRequestDispatcher("searchlist.jsp").forward(req,resp);
    }
}

index.jsp

主界面

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>首页</title>
<style>
    .a{
        font-size: 26px;
        margin-top: 20px;
    }
</style>
</head>
<body>
    <div align="center">
        <h1 style="color: red;">库存物资管理系统</h1>
        <div class="a">
            <a href="add.jsp">商品入库</a>
        </div>
        <div class="a">
            <a href="CourseServlet?method=list">商品信息修改</a>
        </div>
        <div class="a">
            <a href="del.jsp">商品出库</a>
        </div>
        <div class="a">
            <a href="search.jsp">商品信息查询</a>
        </div>
    </div>
</body>
</html>

增

add.jsp

商品入库及入库单据

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
</style>
</head>
<body>
    <%
         Object message = request.getAttribute("message");
         if(message!=null && !"".equals(message)){

    %>
         <script type="text/javascript">
              alert("<%=request.getAttribute("message")%>");
         </script>
    <%} %>
    <div align="center">
        <h1 style="color: red;">商品入库</h1>
        <h1 style="color: red;">入库单据</h1>
        <a href="index.jsp">返回主页</a>
        <form action="CourseServlet?method=add" method="post" onsubmit="return check()">
            <div class="a">
                商品名称<input type="text" id="name" name="name"/>
            </div>
            <div class="a">
                生产厂家<input type="text" id="changjia" name="changjia" />
            </div>
            <div class="a">
                型号<input type="text" id="xinghao" name="xinghao" />
            </div>
            <div class="a">
                规格<input type="text" id="guige" name="guige" />
            </div>
            <div class="a">
                数量<input type="text" id="shuliang" name="shuliang" />
            </div>
            <div class="a">
                日期<input type="text" id="riqi" name="riqi" />
            </div>
            <div class="a">
                时间<input type="text" id="shijian" name="shijian" />
            </div>
            <div class="a">
                入库单位名称<input type="text" id="ruku" name="ruku" />
            </div>
            <div class="a">
                送货人姓名<input type="text" id="songhuo" name="songhuo" />
            </div>
            <div class="a">
                <button type="submit" class="b">保&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;存</button>
            </div>
        </form>
    </div>
    <script type="text/javascript">
        function check() {
            var name = document.getElementById("name");;
            var changjia = document.getElementById("changjia");
            var xinghao = document.getElementById("xinghao");
            var guige = document.getElementById("guige");
            var shuliang = document.getElementById("shuliang");
            var riqi = document.getElementById("riqi");
            var shijian = document.getElementById("shijian");
            var ruku = document.getElementById("ruku");
            var songhuo = document.getElementById("songhuo");

            //非空
            if(name.value == '') {
                alert('商品名称为空');
                name.focus();
                return false;
            }
            if(changjia.value == '') {
                alert('生产厂家为空');
                changjia.focus();
                return false;
            }
            if(xinghao.value == '') {
                alert('型号为空');
                xinghao.focus();
                return false;
            }
            if(guige.value == '') {
                alert('规格为空');
                guige.focus();
                return false;
            }
            if(shuliang.value == '') {
                alert('数量为空');
                shuliang.focus();
                return false;
            }
            if(riqi.value == '') {
                alert('日期为空');
                riqi.focus();
                return false;
            }
            if(shijian.value == '') {
                alert('时间为空');
                shijian.focus();
                return false;
            }
            if(ruku.value == '') {
                alert('入库单位名称为空');
                ruku.focus();
                return false;
            }

            if(songhuo.value == '') {
                alert('送货人姓名为空');
                songhuo.focus();
                return false;
            }

        }
    </script>
</body>
</html>

add.jsp

商品入库及入库单据界面

删

商品出库及出库单据

界面一查找要删除的数据

界面二输入出库单据并删除商品数据

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
</style>
</head>
<body>
    <%
         Object message = request.getAttribute("message");
         if(message!=null && !"".equals(message)){

    %>
         <script type="text/javascript">
              alert("<%=request.getAttribute("message")%>");
         </script>
    <%} %>
    <div align="center">
        <h1 style="color: red;">商品出库</h1>
        <a href="index.jsp">返回主页</a>
        <form action="CourseServlet?method=getcoursebyname" method="post" onsubmit="return check()">
            <div class="a">
                商品名称<input type="text" id="name" name="name"/>
            </div>
            <div class="a">
                <button type="submit" class="b">查&nbsp;找</button>
            </div>
        </form>

    <script type="text/javascript">
        function check() {
            var name = document.getElementById("name");;

            //非空
            if(name.value == '') {
                alert('无此商品');
                name.focus();
                return false;
            }
        }

    </script>
</body>
</html>

del.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
    .tb, td {
        border: 1px solid black;
        font-size: 22px;
    }
</style>
</head>
<body>
    <div align="center">
    <h1 style="color: red;">商品出库</h1>
        <a href="index.jsp">返回主页</a>
        <table class="tb">
            <tr>
                <td>商品名称</td>
                <td>${course.name}</td>
            </tr>
            <tr>
                <td>生产厂家</td>
                <td>${course.changjia}</td>
            </tr>
            <tr>
                <td>型号</td>
                <td>${course.xinghao}</td>
            </tr>
            <tr>
                <td>规格</td>
                <td>${course.guige}</td>
            </tr>
            <div align="center">

            <div align="center">
            </div>
            <h1 style="color: red;">出库单据</h1>
            <form action="CourseServlet?method=add" method="post" onsubmit="return check()">
                    <div class="a">
                        商品名称<input type="text" id="name" name="name"/>
                    </div>
                    <div class="a">
                        生产厂家<input type="text" id="changjia" name="changjia" />
                    </div>
                    <div class="a">
                        型号<input type="text" id="xinghao" name="xinghao" />
                    </div>
                    <div class="a">
                        规格<input type="text" id="guige" name="guige" />
                    </div>
                    <div class="a">
                        数量<input type="text" id="shuliang" name="shuliang" />
                    </div>
                    <div class="a">
                        日期<input type="text" id="riqi" name="riqi" />
                    </div>
                    <div class="a">
                        时间<input type="text" id="shijian" name="shijian" />
                    </div>
                    <div class="a">
                        出库单位名称<input type="text" id="chuku" name="chuku" />
                    </div>
                    <div class="a">
                        提货人姓名<input type="text" id="tihuo" name="tihuo" />
                    </div>
                    <div class="a">
                        <button type="submit" class="b">保&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;存</button>
                    </div>

            </table>
        <div class="a">
            <a onclick="return check()" href="CourseServlet?method=del&id=${course.id}">删&nbsp;&nbsp;&nbsp;&nbsp;除</a>
        </div>

    </div>
    <script type="text/javascript">
        function check() {
            if (confirm("真的要删除吗？")){
                return true;
            }else{
                return false;
            }
        }
    </script>
</body>
</html>

detail.jsp

商品出库

输入出单库据及删除商品

如果无此商品

改

商品修改，可以进行单个信息的修改

界面一list.jsp 在界面一可以看到所有信息并进行修改，转到界面二

界面二detail2.jsp在界面二中进行单个信息的修改

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color:yellow;
    }
    .tb, td {
        border: 1px solid black;
        font-size: 22px;
    }
</style>
</head>
<body>
    <%
         Object message = request.getAttribute("message");
         if(message!=null && !"".equals(message)){

    %>
         <script type="text/javascript">
              alert("<%=request.getAttribute("message")%>");
         </script>
    <%} %>
    <div align="center">
        <h1 style="color: red;">商品信息列表</h1>
        <a href="index.jsp">返回主页</a>
        <table class="tb">
            <tr>
                <td>id</td>
                <td>商品名称</td>
                <td>生产厂家</td>
                <td>型号</td>
                <td>规格</td>
                <td align="center" colspan="2">操作</td>
            </tr>
            <c:forEach items="${courses}" var="item">
                <tr>
                    <td>${item.id}</td>
                    <td>${item.name}</td>
                    <td>${item.changjia}</td>
                    <td>${item.xinghao}</td>
                    <td>${item.guige}</td>
                    <td><a href="CourseServlet?method=getcoursebyid&id=${item.id}">修改</a></td>
                </tr>
            </c:forEach>
        </table>
    </div>
</body>
</html>

list.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
</style>
</head>
<body>
    <%
         Object message = request.getAttribute("message");
         if(message!=null && !"".equals(message)){

    %>
         <script type="text/javascript">
              alert("<%=request.getAttribute("message")%>");
         </script>
    <%} %>
    <div align="center">
        <h1 style="color: red;">商品信息修改</h1>
        <a href="index.jsp">返回主页</a>
        <form action="CourseServlet?method=update" method="post" onsubmit="return check()">
            <div class="a">
                商品名称<input type="text" id="name" name="name" value="${course.name}"/>
            </div>
            <div class="a">
                生产厂家<input type="text" id="changjia" name="changjia" value="${course.changjia}"/>
            </div>
            <div class="a">
                型号<input type="text" id="xinghao" name="xinghao" value="${course.xinghao}"/>
            </div>
            <div class="a">
                规格<input type="text" id="guige" name="guige" value="${course.guige}"/>
            </div>
            <input type="hidden" id="id" name="id" value="${course.id}"/>
            <div class="a">
                <button type="submit" class="b">修&nbsp;&nbsp;&nbsp;&nbsp;改</button>
            </div>
        </form>
    </div>
    <script type="text/javascript">
        function check() {
            var name = document.getElementById("name");;
            var changjia= document.getElementById("changjia");
            var xinghao = document.getElementById("xinghao");
            var guige = document.getElementById("guige");

            //非空
            if(name.value == '') {
                alert('商品名称为空');
                name.focus();
                return false;
            }
            if(changjia.value == '') {
                alert('生产厂家为空');
                changjia.focus();
                return false;
            }
            if(xinghao.value == '') {
                alert('规格为空');
                xinghao.focus();
                return false;
            }
            if(guige.value == '') {
                alert('规格为空');
                guige.focus();
                return false;
            }

        }
    </script>
</body>
</html>

detail2.jsp

查

查询商品信息,可以做到模糊查询

界面一search.jsp进行关键字模糊查询

界面二searchlist.jsp出现香港关键字信息

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
</style>
</head>
<body>
    <div align="center">
        <h1 style="color: red;">商品信息查询</h1>
        <a href="index.jsp">返回主页</a>
        <form action="CourseServlet?method=search" method="post" onsubmit="return check()">
            <div class="a">
                商品名称<input type="text" id="name" name="name"/>
            </div>
            <div class="a">
                <button type="submit" class="b">查&nbsp;询</button>
            </div>
        </form>
    </div>
    <script type="text/javascript">
        function check() {
            var name = document.getElementById("name");;
            var changjia = document.getElementById("changjia");
            var xinghao = document.getElementById("xinghao");
            var guige = document.getElementById("guige");
            var shuliang = document.getElementById("shuliang");
            var riqi = document.getElementById("riqi");
            var shijian = document.getElementById("shijian");
            var ruku = document.getElementById("ruku");
            var chuku = document.getElementById("chuku");
            var songhuo = document.getElementById("songhuo");
            var quhuo = document.getElementById("quhuo");

            //非空
            if(name.value == '' && changjia.value == '' && xinghao.value == '' && guige.value == ''&& shuliang.value == ''&& riqi.value == ''&& shijian.value == ''&& ruhuo.value == ''&& chuhuo.value == ''&& songhuo.value == ''&& tihuo.value == '') {
                alert('请填写一个条件');
                return false;
            }
        }
    </script>
</body>
</html>

search.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
    .a{
        margin-top: 20px;
    }
    .b{
        font-size: 20px;
        width: 160px;
        color: pink;
        background-color: yellow;
    }
    .tb, td {
        border: 1px solid black;
        font-size: 22px;
    }
</style>
</head>
<body>
    <div align="center">
        <h1 style="color: red;">商品信息列表</h1>
        <a href="index.jsp">返回主页</a>
        <table class="tb">
            <tr>
                <td>id</td>
                <td>商品名称</td>
                <td>生产厂家</td>
                <td>型号</td>
                <td>规格</td>
                <td>数量</td>
                <td>日期</td>
                <td>时间</td>
                <td>入库单位名称</td>
                <td>出库单位名称</td>
                <td>送货人</td>
                <td>提货人</td>

            </tr>
            <!-- forEach遍历出adminBeans -->
            <c:forEach items="${courses}" var="item" varStatus="status">
                <tr>
                    <td>${item.id}</td>
                    <td><a>${item.name}</a></td>
                    <td>${item.changjia}</td>
                    <td>${item.xinghao}</td>
                    <td>${item.guige}</td>
                    <td>${item.shuliang}</td>
                    <td>${item.riqi}</td>
                    <td>${item.shijian}</td>
                    <td>${item.ruku}</td>
                    <td>${item.chuku}</td>
                    <td>${item.songhuo}</td>
                    <td>${item.tihuo}</td>
                </tr>
            </c:forEach>
        </table>
    </div>
</body>
</html>

searchlist.java

ps：所有的返回主页均可直接返回主页面