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库存物资管理系统

时间：2018-12-16 23:37:30      阅读：253      评论：0      收藏：0      [点我收藏+]

标签：ret   网站页面   mys   private   生成   有关   input   getch   throws   

1、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。
2.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。

 

一、商品的增删改查

　　dao层

　　与数据库连接有关的代码

package dao;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DBUtil{
    public static String db_url = "jdbc:mysql://localhost:3306/eshop?useUnicode=true&characterEncoding=UTF-8&serverTimezone=GMT";
    public static String db_user="root";
    public static String db_password="password";
    
    public static Connection getConn() {
        Connection conn=null;
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            conn=DriverManager.getConnection(db_url, db_user, db_password);
            System.out.println("连接数据库成功");
        }catch(Exception e) {
            System.out.println("连接数据库失败");
            e.printStackTrace();
        }
        return conn;
    }
    
    public static void close(Statement state,Connection conn) {
        if(state!=null) {
            try {
                state.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if(conn!=null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
    
    public static void close(ResultSet rs, Statement state, Connection conn) {
        if(rs!=null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if(state!=null) {
            try {
                state.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if(conn!=null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}

　　

 

　　entity层

　　

package entity;

public class Goods{
    private String name;
    private String changshang;
    private String xinghao;
    private String guige;
    
    public String getname() {
        return name;
    }
    public void setname(String name) {
        this.name=name;
    }
    
    public String getchangshang() {
        return changshang;
    }
    public void setchangshang(String changshang) {
        this.changshang=changshang;
    }
    
    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;
    }
}

　　

 

　　Servlet层

package GoodsServlet;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
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 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 dao.DBUtil;
import entity.Goods;

@SuppressWarnings("serial")
public class GoodsServlet extends HttpServlet {
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws UnsupportedEncodingException{
        req.setCharacterEncoding("utf-8");
        String method = req.getParameter("method");
        String name = req.getParameter("name");
        if("insert".equals(method))
            insert(req, resp);
        else if("delete".equals(method))
            delete(req, resp);
        else if("update".equals(method))
            update(req, resp);
        else if("query".equals(method))
            query(req, resp);
    }



    private void query(HttpServletRequest req, HttpServletResponse resp) {
        try {
            req.setCharacterEncoding("UTF-8");
            HttpSession session = req.getSession();
            String name = req.getParameter("name");
            String changshang = req.getParameter("changshang");
            String xinghao = req.getParameter("xinghao");
            String guige=req.getParameter("guige");
            Connection conn = DBUtil.getConn();
            Statement st = conn.createStatement();
            List<Goods> list = new ArrayList<>();
            ResultSet rs = null;
            if(name!="" && changshang=="" && xinghao==""&&guige=="")
                rs = queryname(name, st, conn);
            else if(name=="" && changshang!="" && xinghao==""&&guige=="")
                rs = querychangshang(changshang, st, conn);
            else if(name=="" && changshang=="" && xinghao!=""&&guige=="")
                rs = queryxinghao(xinghao, st, conn);
            else if(name=="" && changshang=="" && xinghao==""&&guige!="")
                rs = queryguige(guige, st, conn);
            if(rs!=null) {
                Goods cb = null;
                while(rs.next()) {
                    cb = new Goods();
                    cb.setname(rs.getString("name"));
                    cb.setchangshang(rs.getString("changshang"));
                    cb.setxinghao(rs.getString("xinghao"));
                    cb.setguige(rs.getString("guige"));
                    list.add(cb);
                }
                session.setAttribute("list",list);
                DBUtil.close(st, conn);
                resp.sendRedirect(req.getContextPath() + "/admin/query.jsp?status=1");   
            }
            else {
                DBUtil.close(st, conn);
                resp.sendRedirect(req.getContextPath() + "/admin/query.jsp?status=0");   
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    private ResultSet querychangshang(String changshang, Statement st, Connection conn) {
        ResultSet rs = null;
        try {
            String sql = "select * from goods where changshang=‘"+ changshang + "‘";
            rs = st.executeQuery(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return rs;
    }
    private ResultSet queryxinghao(String xinghao, Statement st, Connection conn) {
        ResultSet rs = null;
        try {
            String sql = "select * from goods where xinghao=‘"+ xinghao + "‘";
            rs = st.executeQuery(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return rs;
    }
    private ResultSet queryguige(String guige, Statement st, Connection conn) {
        ResultSet rs = null;
        try {
            String sql = "select * from goods where guige=‘"+ guige + "‘";
            rs = st.executeQuery(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return rs;
    }
        
    private ResultSet queryname(String name, Statement st, Connection conn) {
        ResultSet rs = null;
        try {
            String sql = "select * from goods where name=‘"+ name + "‘";
            rs = st.executeQuery(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return rs;
    }



    @SuppressWarnings("unused")
    private void update(HttpServletRequest req, HttpServletResponse resp) {
        try {
            req.setCharacterEncoding("utf-8");
            //String name = req.getParameter("oldname");
            String newname = req.getParameter("newname");
            //String changshang = req.getParameter("oldchangshang");
            String newchangshang = req.getParameter("newchangshang");
            //String xinghao = req.getParameter("oldxinghao");
            String newxinghao=req.getParameter("newxinghao");
            //String guige=req.getParameter("oldguige");
            String newguige=req.getParameter("newguige");
            Connection conn = DBUtil.getConn();
            Statement st = conn.createStatement();
            String sql = "update goods set name=‘"+ newname + "‘,changshang=‘" + newchangshang + "‘,xinghao=‘" + newxinghao + "‘,guige=‘" + newguige+"‘"/*+"where name=‘"+ name + "‘ and changshang=‘" + changshang + "‘ and xinghao=‘" + xinghao + "‘ and guige=‘"+"‘"*/;
            st.executeUpdate(sql);
            resp.sendRedirect(req.getContextPath() + "/goods.jsp");   
            DBUtil.close(st, conn); 
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }



    private void delete(HttpServletRequest req, HttpServletResponse resp) {
        try {
            req.setCharacterEncoding("UTF-8");
            String name = req.getParameter("name");
            Connection conn = DBUtil.getConn();
            Statement st = conn.createStatement();
            String sql = "select * from goods where name=‘"+ name + "‘";
            ResultSet rs = st.executeQuery(sql);
            if(rs.next()) {
                sql = "delete from goods where name = ‘" + name + "‘";
                st.executeUpdate(sql);
                resp.sendRedirect(req.getContextPath() + "/goods.jsp");
                DBUtil.close(st, conn);
                }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
    }

    private void insert(HttpServletRequest req, HttpServletResponse resp) {
        try {
            req.setCharacterEncoding("utf-8");
            String name=req.getParameter("name");
            String changshang=req.getParameter("changshang");
            String xinghao=req.getParameter("xinghao");
            String guige=req.getParameter("guige");
            Connection conn = DBUtil.getConn();
            Statement st = conn.createStatement();
            String sql="insert into goods values(‘"+name+"‘,‘"+changshang+"‘,‘"+xinghao+"‘,‘"+guige+"‘)";
            st.executeUpdate(sql);
            resp.sendRedirect(req.getContextPath() + "/goods.jsp");
            DBUtil.close(st, conn);
        }catch(Exception e) {
            e.getStackTrace();
        }
        
    }
    
    
    
}

 

 

　页面

　　主页面

<%@ 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>
</head>
<body>
<ul class="topmenu">
    <li><a href="insert.jsp" target="iframe_a">增加</a></li>
    <li><a href="delete.jsp" target="iframe_a">删除</a></li>
    <li><a href="modify.jsp" target="iframe_a">修改</a></li>
    <li><a href="Query.jsp" target="iframe_a">查询</a></li>
</ul>
</body>
</html>

增

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>添加页面</title>
</head>
<body>
<form action="${pageContext.request.contextPath}/admin/Manage?method=insert" method="post" id="insert">
<table border=‘1‘>
<tr align=‘center‘>
    <td colspan=‘2‘><h2>添加商品</h2></td>
</tr>
<tr align=‘center‘>
    <td>商品名称</td>
    <td><input name="name" type="text" id="name" placeholder="商品名称" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>生产厂商</td>
    <td><input name="changshang" type="text" id="changshang" placeholder="生产厂商" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>型号</td>
    <td><input name="xinghao" type="text" id="xinghao" placeholder="型号" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>规格</td>
    <td><input name="guige" type="text" id="guige" placeholder="规格" value="" /></td>
</tr>
<tr align=‘center‘>
    <td colspan=‘2‘><input type="submit"value="保存" /></td>
</tr>
</table>
    
</form>
</body>
</html>

删

<%@ 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>
</head>
<body>
<form action="${pageContext.request.contextPath}/admin/Manage?method=delete" method="post" id="delete">

<table border=‘1‘>
<tr align=‘center‘>
    <td colspan=‘2‘><h2>删除商品</h2></td>
</tr>
<tr align=‘center‘>
    <td>商品名称</td>
    <td><input name="name" type="text" id="name" placeholder="商品名称" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>生产厂商</td>
    <td><input name="changshang" type="text" id="changshang" placeholder="生产厂商" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>型号</td>
    <td><input name="xinghao" type="text" id="xinghao" placeholder="型号" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>规格</td>
    <td><input name="guige" type="text" id="guige" placeholder="规格" value="" /></td>
</tr>
<tr align=‘center‘>
    <td colspan=‘2‘><input type="submit"value="删除" /></td>
</tr>
</table>

</form>

</body>
</html>

改

<%@ 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>
</head>
<body>
<form action="${pageContext.request.contextPath}/admin/Manage?method=update" method="post" id="insert">
<table border=‘1‘>
<tr align=‘center‘>
    <td colspan=‘3‘><h2>修改</h2></td>
</tr>
<tr align=‘center‘>
    <td>商品名称</td>

    <td><input name="newname" type="text" id="newname" placeholder="新的商品名称" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>生产厂商</td>

    <td><input name="newchangshang" type="text" id="newchangshang" placeholder="新的生产厂商" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>型号</td>

    <td><input name="newxinghao" type="text" id="newxinghao" placeholder="新的型号" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>规格</td>

    <td><input name="newguige" type="text" id="neqguige" placeholder="新的规格" value="" /></td>
</tr>
<tr align=‘center‘>
    <td colspan=‘3‘><input type="submit"value="修改" /></td>
</tr>
</table>
</form>

</body>
</html>

查

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ page import="java.sql.*,java.util.*,entity.Goods" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="${pageContext.request.contextPath}/admin/Manage?method=query" method="post" id="insert">
<table border=‘1‘>
<tr align=‘center‘>
    <td colspan=‘2‘><h2>查询</h2></td>
</tr>
<tr align=‘center‘>
    <td>商品名称</td>
    <td><input name="name" type="text" id="name" placeholder="商品名称" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>生产厂商</td>
    <td><input name="changshang" type="text" id="changshang" placeholder="生产厂商" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>型号</td>
    <td><input name="xinghao" type="text" id="xinghao" placeholder="型号" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>规格</td>
    <td><input name="guige" type="text" id="guige" placeholder="规格" value="" /></td>
</tr>
<tr align=‘center‘>
    <td colspan=‘2‘><input type="submit" value="查询"/></td>
</tr>
</table>
<c:if test="${param.status.equals(‘0‘)}">
<br/><br/><br/>
    <div>商品信息不存在！</div>
</c:if>
<c:if test="${param.status.equals(‘1‘)}">
    <br/><br/><br/>
<table border=‘1‘>
    <tr>
    <td>商品名称</td>
    <td>生产厂商</td>
    <td>型号</td>
    <td>规格</td>
    </tr>
    <%List<Goods> l = (List<Goods>)session.getAttribute("list");
    for(int i=0;i<l.size();i++){%>
    <tr>
    <td><%=l.get(i).getname()%></td>
    <td><%=l.get(i).getchangshang()%></td>
    <td><%=l.get(i).getxinghao()%></td>
    <td><%=l.get(i).getguige()%></td>
    <%}%>
    </tr>
</table>
</c:if>
</form>

</body>
</html>

二，出入库

　　entity层

package entity;

public class Inout {
    private String name;
    private String changshang;
    private String xinghao;
    private String guige;
    private String date;
    private String quliaty;
    private String time;
    private String danwei;
    private String peoplename;
    
    public String getname() {
        return name;
    }
    public void setname(String name) {
        this.name=name;
    }
    
    public String getchangshang() {
        return changshang;
    }
    public void setchangshang(String changshang) {
        this.changshang=changshang;
    }
    
    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 getdate() {
        return date;
    }
    public void setdate(String date) {
        this.date=date;
    }
    
    public String getquliaty() {
        return quliaty;
    }
    
    public void getquliaty(String quliaty) {
        this.quliaty=quliaty;
    }
    
    public String gettime() {
        return time;
    }
    public void settime(String time) {
        this.time=time;
    }
    
    public String getdanwei() {
        return danwei;
    }
    public void setdanwei(String danwei) {
        this.danwei=danwei;
    }
    
    public String getpeoplename() {
        return peoplename;
    }
    public void setpeoplename(String peoplename) {
        this.peoplename=peoplename;
    }
    
}

 

Servelet层

package GoodsServlet;

import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.Statement;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import dao.DBUtil;


@SuppressWarnings("serial")
@WebServlet("/Input")
public class Input extends HttpServlet {
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws UnsupportedEncodingException{
        req.setCharacterEncoding("utf-8");
        String method = req.getParameter("method");
        if("insert".equals(method))
            insert(req, resp);
        else if("query".equals(method))
            query(req, resp);
    }

    @SuppressWarnings("unused")
    private void insert(HttpServletRequest req, HttpServletResponse resp) {
        try {
            req.setCharacterEncoding("utf-8");
            String name=req.getParameter("name");
            String changshang=req.getParameter("changshang");
            String xinghao=req.getParameter("xinghao");
            String guige=req.getParameter("guige");
            String date=req.getParameter("date");
            String quality =req.getParameter("quality");
            String time=req.getParameter("time");
            String danwei=req.getParameter("danwei");
            String peoplename=req.getParameter("peoplename");
            Connection conn = DBUtil.getConn();
            Statement st = conn.createStatement();
            String sql="insert into inout values(‘"+name+"‘,‘"+changshang+"‘,‘"+xinghao+"‘,‘"+guige+"‘,‘"+date+"‘,‘"+quality+"‘,‘"+time+"‘,‘"+danwei+"‘,‘"+peoplename+"‘)";
            st.executeUpdate(sql);
            resp.sendRedirect(req.getContextPath() + "/inout.jsp");
            DBUtil.close(st, conn);
        }catch(Exception e) {
            e.getStackTrace();
        }
        
    }

    private void query(HttpServletRequest req, HttpServletResponse resp) {
        // TODO 自动生成的方法存根
        
    }

}

 

页面

主页面

<%@ 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>
</head>
<body>
<ul class="topmenu">
    <li><a href="insert1.jsp" >增加</a></li>
    <li><a href="Query.jsp" >查询</a></li>
    </ul>
</body>
</html>

增

<%@ 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>
</head>
<body>
<form action="${pageContext.request.contextPath}/admin/Manage1?method=insert" method="post" id="insert">
<table border=‘1‘>
<tr align=‘center‘>
    <td colspan=‘2‘><h2>添加商品</h2></td>
</tr>
<tr align=‘center‘>
    <td>商品名称</td>
    <td><input name="name" type="text" id="name" placeholder="商品名称" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>生产厂商</td>
    <td><input name="changshang" type="text" id="changshang" placeholder="生产厂商" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>型号</td>
    <td><input name="xinghao" type="text" id="xinghao" placeholder="型号" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>规格</td>
    <td><input name="guige" type="text" id="guige" placeholder="规格" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>日期</td>
    <td><input name="time" type="text" id="time" placeholder="日期" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>数量</td>
    <td><input name="quality" type="text" id="quality" placeholder="数量" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>时间</td>
    <td><input name="time" type="text" id="time" placeholder="数量" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>单位</td>
    <td><input name="danwei" type="text" id="danwei" placeholder="单位" value="" /></td>
</tr>
<tr align=‘center‘>
    <td>送提货人姓名</td>
    <td><input name="peoplename" type="text" id="peoplename" placeholder="送提货人姓名" value="" /></td>
</tr>
<tr align=‘center‘>
    <td colspan=‘2‘><input type="submit"value="保存" /></td>
</tr>
</table>
    
</form>
</body>
</html>

 

库存物资管理系统

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原文地址：https://www.cnblogs.com/quyangzhangsiyuan/p/10128021.html
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