库存物资管理系统代码，详细过程和总结

库存物资管理系统实验要求如下：

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。

3.评分标准：
1、A类：完全实现上述功能，达到A类标准的同学可以免于参加期末上机考试，
期末上机考试成绩按满分计算。
2、B类：实现出入库单据记录的添加。
3、C类：实现数据库的连接。
4、D类：不满足上述要求的。

详细过程：1.刚拿到题目，觉得貌似比上次的简单，因为看题目要求的篇幅并不多，但看完题后，思考编写的过程发现并不简单，题目能给的关键信息点太少；

2.首先编写必要的jsp界面，自己懒得写，是课前在网上见过的类似界面代码修改而成的，想省下点时间写关键的方法代码；

3.商品信息的录入和查询通过上次实验的学习已经基本掌握了，但是也费了半天时间弄，主要是不太熟悉，有些东西也是修改代码完成的；

4.接下来就是最头疼的那个出库，有点懵，我一开始想是不是还用考虑往外取物资的系统，瞎编了半天没结果，马上就快下机了，然后听说是没那么复杂，就是相当于上次学生管理系统的修改步骤，想着A标已经无妄了，就回宿舍参考了上次的那个系统又改了快一个多小时，终于磕磕巴巴的做出了个粗糙的程序。

总结：上次靠学长的代码完完全全的实现了功能，觉得下一次做系统应该差不多了，没想到只是按照人家的思路可以做下来，自己做一个新的系统，一些类似的死的东西道是没问题，出了个出库就直接懵了，还是缺乏自己的独立思考，不过这次就是同学提醒了一下思路就自己完成了，还算有进步了，时间花费比较多，以后要加快速度。

<%@ 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: white;background-color: greenyellow;}
</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><a href="index.jsp">返回主页</a><form action="UserServlet?method=add" method="post" οnsubmit="return check()"><div class="a">分类名<input type="text" name="name" /></div><div class="a">    厂家<input type="text" name="changjia" /></div><div class="a">型号<input type="text" name="xinghao"/></div><div class="a">规格<input type="text" name="guige"/></div><div class="a">数量<input type="text" name="shuliang" /></div><div class="a">日期<input type="text" name="riqi" /></div><div class="a">单位名称<input type="text" name="danwei" /></div><div class="a">人名<input type="text" name="xingming"/></div><div class="a">操作<input type="text" name="caozuo"/></div><div class="a"><input type="submit" value="添加" onClick="delcfm1()" /></div></form></div><script language="javascript"> function delcfm1() { if (!confirm("确认要添加？")) { window.event.returnValue = false; } } </script>
</body>
</html>

<%@ 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: white;background-color: greenyellow;}
</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;">删除</h1><a href="index.jsp">返回主页</a><form action="UserServlet?method=getuserbyname" method="post" οnsubmit="return check()"><div class="a">商品名称<input type="text" name="name" /></div><div class="a"><button type="submit" class="b">查&nbsp;&nbsp;&nbsp;找</button></div></form></div><script type="text/javascript">function check() {var name = document.getElementByName("name");;//非空if(name.value == '') {alert('商品名称为空');name.focus();return false;}}</script>
</body>
</html>

<%@ 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: white;background-color: greenyellow;}.tb, td {border: 1px solid black;font-size: 22px;}
</style>
</head>
<body><div align="center"><h1 style="color: red;"></h1><a href="index.jsp">返回主页</a><table class="tb"><tr><td>商品名称</td><td>${user.name}</td></tr><tr><td>商品厂家</td><td>${user.changjia}</td></tr><tr><td>商品型号</td><td>${user.xinghao}</td></tr><tr><td>商品规格</td><td>${user.guige}</td></tr>            <tr><td>商品数量</td><td>${user.shuliang}</td></tr>            <tr><td>日期</td><td>${user.riqi}</td></tr>            <tr><td>单位</td><td>${user.danwei}</td></tr><tr><td>姓名</td><td>${user.xingming}</td></tr>            <tr><td>操作</td><td>${user.caozuo}</td></tr>        </table><div class="a"><a οnclick="return check()" href="UserServlet?method=del&name=${user.name}">删&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>

<%@ 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</h1><div class="a"><a href="add.jsp">商品出入库</a></div><div class="a"><a href="del.jsp">商品的删除</a></div><div class="a"><a href="search.jsp">查询</a></div></div>
</body>
</html>

<%@ 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: white;background-color: greenyellow;}.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><form action="UserServlet?method=getuserbyname" method="post" οnsubmit="return check()"><div class="a">商品名称<input type="text" name="name" /></div><div class="a"><button type="submit" class="b">查&nbsp;&nbsp;&nbsp;找</button></div></form></div><script type="text/javascript">function check() {var name = document.getElementById("name");;//非空if(name.value == '') {alert('商品名称为空');name.focus();return false;}}</script>
</body>
</html>

package com.jaovo.msg.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.jaovo.msg.model.User;
import com.jaovo.msg.Util.DBUtil;
public class Dao {public boolean add(User user) {String sql = "insert into user( name, changjia,xinghao,guige,shuliang,riqi,danwei,xingming,caozuo) values('" + user.getName() + "','" + user.getChangjia() + "','" + user.getXinghao() + "','" + user.getGuige() + "','" + user.getShuliang() + "','" + user.getRiqi() +"','" + user.getDanwei() +"','" + user.getXingming()  +"','" + user.getCaozuo()+"')";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 (String name) {boolean f = false;String sql = "delete from user where name='" + name + "'";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(User user) {String sql = "update user set guige='"+user.getGuige()+ "', changjia='" + user.getChangjia() + "', xinghao='" + user.getXinghao()+ "', shuliang='" + user.getShuliang() +"', riqi='" + user.getRiqi() +"', danwei='" + user.getDanwei()+"', xingming='" + user.getXingming()  +"', caozuo='" + user.getCaozuo() +"'where name='" + user.getName() + "'";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 user 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 User getUserByName(String name) {String sql = "select * from user where name ='" + name + "'";Connection conn = DBUtil.getConn();Statement state = null;ResultSet rs = null;User user= null;try {state = conn.createStatement();rs = state.executeQuery(sql);while (rs.next()) {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 danwei=rs.getString("danwei");String xingming=rs.getString("xingming");String caozuo=rs.getString("caozuo");user = new User(name1,changjia,xinghao,guige,shuliang,riqi,danwei,xingming,caozuo);}} catch (Exception e) {e.printStackTrace();} finally {DBUtil.close(rs, state, conn);}return user;}public List<User> search(String name,String changjia,String xinghao,String guige,String shuliang,String riqi,String danwei,String xingming ) {String sql = "select * from user where ";if (name != "") {sql += "name like '%" + name + "%'";}if (changjia!= "") {sql += "changjia like '%" + changjia + "%'";}if (xinghao != "") {sql += "xinghao like '%" + xinghao+ "%'";}if (guige != "") {sql += "guige like '%" + guige+ "%'";}if (shuliang != "") {sql += "shuliang like '%" + shuliang + "%'";}if (riqi != "") {sql += "riqi like '%" + riqi + "%'";}if (danwei != "") {sql += "danwei like '%" + danwei+ "%'";}if (xingming != "") {sql += "xingming like '%" + xingming + "%'";}List<User> list = new ArrayList<>();Connection conn = DBUtil.getConn();Statement state = null;ResultSet rs = null;try {state = conn.createStatement();rs = state.executeQuery(sql);User bean = null;while (rs.next()) {String name1 = rs.getString("name");String changjia1= rs.getString("changjia");String xinghao1= rs.getString("xinghao");String guige1 =rs.getString("guige");String shuliang1=rs.getString("shuliang");String riqi1=rs.getString("riqi");String danwei1=rs.getString("danwei");String xingming1=rs.getString("xingming");String caozuo=rs.getString("caozuo");bean = new User(name1,changjia1,xinghao1,guige1,shuliang1,riqi1,danwei1,xingming1,caozuo);list.add(bean);}} catch (SQLException e) {e.printStackTrace();} finally {DBUtil.close(rs, state, conn);}return list;}public List<User> list() {String sql = "select * from user";List<User> list = new ArrayList<>();Connection conn = DBUtil.getConn();Statement state = null;ResultSet rs = null;try {state = conn.createStatement();rs = state.executeQuery(sql);User bean = null;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 danwei=rs.getString("danwei");String xingming=rs.getString("xingming");String caozuo=rs.getString("caozuo");bean= new User(name,changjia,xinghao,guige,shuliang,riqi,danwei,xingming,caozuo);list.add(bean);}} catch (SQLException e) {e.printStackTrace();} finally {DBUtil.close(rs, state, conn);}return list;}}

package com.jaovo.msg.model;
import java.sql.Connection;
public class User {private String name;private String changjia;private String xinghao;private String guige;private String shuliang;private String riqi;private String danwei;private String xingming;private String caozuo;public void setName(String name) {this.name = name;}public String getName() {return 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 getDanwei() {return danwei;}public void setDanwei(String danwei) {this.danwei = danwei;}public String getXingming() {return xingming;}public void setXingming(String xingming) {this.xingming = xingming;}public User(String name,String changjia,String xinghao,String guige,String shuliang,String riqi,String danwei,String xingming ,String caozuo) {this.name = name;this.changjia = changjia;this.xinghao = xinghao;this.guige = guige;this.shuliang = shuliang;this.riqi = riqi;this.danwei = danwei;this.xingming = xingming;this.setCaozuo(caozuo);}public User() {// TODO Auto-generated constructor stub
    }public String getCaozuo() {return caozuo;}public void setCaozuo(String caozuo) {this.caozuo = caozuo;}}

package com.jaovo.msg.service;
import java.util.List;
import com.jaovo.msg.dao.Dao;
import com.jaovo.msg.model.User;
public class UserService {Dao cDao = new Dao();public boolean add(User user) {boolean f = false;if(!cDao.name(user.getName())) {cDao.add(user);f = true;}return f;}public void del(String  name) {cDao.delete(name);}public void update(User user) {cDao.update(user);}public User getUserByName(String name) {return cDao.getUserByName(name);}public List<User> search(String name ) {return (List<User>) cDao.getUserByName(name);}public List<User> list() {return cDao.list();}
}

package com.jaovo.msg.severlet;
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.jaovo.msg.model.User;
import com.jaovo.msg.service.UserService;
@WebServlet("/UserServlet")
public class UserServlet extends HttpServlet {private static final long serialVersionUID = 1L;UserService service = new UserService();/*** 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 ("getuserbyname".equals(method)) {getUserByName(req, resp);} else if ("list".equals(method)) {list(req, resp);}}/*** 娣诲姞* @param <service>* @param req* @param resp* @throws IOException * @throws ServletException */private <service> 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 danwei=req.getParameter("danwei");String xingming=req.getParameter("xingming");String caozuo=req.getParameter("caozuo");User user = new User(name,changjia,xinghao,guige,shuliang,riqi,danwei,xingming,caozuo);//娣诲姞鍚庢秷鎭樉绀�if(service.add(user)) {req.setAttribute("message", "娣诲姞鎴愬姛");req.getRequestDispatcher("add.jsp").forward(req,resp);} else {req.setAttribute("message", "鍟嗗搧鍚嶇О閲嶅锛岃閲嶆柊褰曞叆");req.getRequestDispatcher("add.jsp").forward(req,resp);}}/*** 鍏ㄩ儴* @param req* @param resp* @throws ServletException */private void list(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{req.setCharacterEncoding("utf-8");List<User> users = service.list();req.setAttribute("users", users);req.getRequestDispatcher("list.jsp").forward(req,resp);}/*** 閫氳繃鍚嶅瓧鏌ユ壘* 璺宠浆鑷冲垹闄�* @param req* @param resp* @throws IOException* @throws ServletException */private void getUserByName(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{req.setCharacterEncoding("utf-8");String name = req.getParameter("name");User user = service.getUserByName(name);if(user == null) {req.setAttribute("message", "鏌ユ棤姝ゅ晢鍝侊紒");req.getRequestDispatcher("del.jsp").forward(req,resp);} else {req.setAttribute("user", user);req.getRequestDispatcher("detail.jsp").forward(req,resp);}}/*** 鍒犻櫎* @param req* @param resp* @throws IOException* @throws ServletException */private void del(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException{req.setCharacterEncoding("utf-8");String name = req.getParameter("name");service.del(name);req.setAttribute("message", "鍒犻櫎鎴愬姛锛�");req.getRequestDispatcher("del.jsp").forward(req,resp);}/*** 淇敼* @param req* @param resp* @throws IOException* @throws ServletException */private void update(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 danwei=req.getParameter("danwei");String xingming=req.getParameter("xingming");String caozuo=req.getParameter("caozuo");User user = new User(name,changjia,xinghao,guige,shuliang,riqi,danwei,xingming,caozuo);service.update(user);req.setAttribute("message", "淇敼鎴愬姛");req.getRequestDispatcher("").forward(req,resp);}/*** 鏌ユ壘* @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 danwei=req.getParameter("danwei");String xingming=req.getParameter("xingming");List<User> users = service.search(name);req.setAttribute("users", users);req.getRequestDispatcher("searchlist.jsp").forward(req,resp);}
}

package com.jaovo.msg.Util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;/*** 鏁版嵁搴撹繛鎺ュ伐鍏�* @author Hu**/
public class DBUtil {public static String db_url = "jdbc:mysql://localhost:3306/runoob?useUnicode=true&characterEncoding=utf-8";public static String db_user = "root";public static String db_pass = "root";public static Connection getConn () {Connection conn = null;try {Class.forName("com.mysql.cj.jdbc.Driver");//鍔犺浇椹卞姩conn = DriverManager.getConnection(db_url, db_user, db_pass);} catch (Exception e) {e.printStackTrace();}return conn;}/*** 鍏抽棴杩炴帴* @param state* @param 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();}}}}

转载于:https://www.cnblogs.com/cuijunfeng/p/10117179.html

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