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  • 库存物资管理系统

    实验要求：

    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。

    <%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@page import="java.util.List"%>
<%@page import="Lei.Book"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="GB18030">
<title>所有商品信息</title>
</head>
<body>
<form action="UpdateServlet" method="post" onsubmit="return check(this);">
<table>
		<tr bgcolor="white">
			<td align="center" colspan="5">
				<h2>所有商品信息</h2>
			</td>
		</tr>
		<tr align="center" bgcolor="#e1ffc1" >
			<td><b>商品名称</b></td>
			<td><b>生产厂家</b></td>
			<td><b>型号</b></td>
			<td><b>规格</b></td>
			<td><b>操作</b></td>
		</tr>
			<%
				// 获取图书信息集合
					Book book = (Book)request.getAttribute("book");
					
			%>
				<tr align="center" bgcolor="white">
					
							
							<td><input type="hidden" name="id" value="<%=book.getId()%>">
								<input type="text" name="Name" value="<%=book.getName()%>">
							</td>
							<td><input type="text" name="Manufacturer" value="<%=book.getManufacturer()%>"></td>
							<td><input type="text" name="Model" value="<%=book.getModel()%>"></td>
							<td><input type="text" name="Specifications" value="<%=book.getSpecifications()%>"></td>
							<td>
								<input type="hidden" name="id" value="<%=book.getId()%>">
							</td>
					
						<td>
						<input type="submit" value="保存">
					</td>
				</tr>
			
	</table>
	</form>
		<a href="index.jsp">返回</a>
</body>
<script type="text/javascript">
	function check(form){
		with(form){
			if(Name.value == ""){
				alert("商品名称不能为空");
				return false;
			}
			if(Manufacturer.value == ""){
				alert("生产厂家不能为空");
				return false;
			}
			if(Model.value == ""){
				alert("型号不能为空");
				return false;
			}
			if(Specifications.value == ""){
				alert("规格不能为空");
				return false;
			}
			return true;
		}
	}
</script>
</html>

    　　

    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@page import="java.sql.Connection"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.PreparedStatement"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="book" class="Lei.Book"></jsp:useBean>
	<%
		try {
			request.setCharacterEncoding("UTF-8");
			String name=request.getParameter("name");
			String Manufacturer=request.getParameter("Manufacturer");
			String Model=request.getParameter("Model");
			String Specifications=request.getParameter("Specifications");
			book.setName(name);
			book.setManufacturer(Manufacturer);
			book.setModel(Model);
			book.setSpecifications(Specifications);
			// 加载数据库驱动，注册到驱动管理器
			Class.forName("com.mysql.jdbc.Driver");
			// 数据库连接字符串
			String url = "jdbc:mysql://localhost:3306/db_database10?useSSL=false&useUnicode=true&characterEncoding=UTF-8";
			// 数据库用户名
			String username = "root";
			// 数据库密码
			String password = "123";
			// 创建Connection连接
			Connection conn = DriverManager.getConnection(url,username,password);
			// 添加图书信息的SQL语句
			String sql = "insert into tb_books(name,Manufacturer,Model,Specifications) values(?,?,?,?)";
			// 获取PreparedStatement
			PreparedStatement ps = conn.prepareStatement(sql);
			// 对SQL语句中的第1个参数赋值
			//ps.setInt(1,book.getId());
			// 对SQL语句中的第2个参数赋值
			ps.setString(1, book.getName());
			// 对SQL语句中的第3个参数赋值
			ps.setString(2, book.getManufacturer());
			// 对SQL语句中的第4个参数赋值
			ps.setString(3, book.getModel());
			// 对SQL语句中的第5个参数赋值
			ps.setString(4, book.getSpecifications());
			// 执行更新操作，返回所影响的行数
			int row = ps.executeUpdate();
			// 判断是否更新成功
			if(row > 0){
				// 更新成功输出信息
				out.print("成功添加了 " + row + "条数据！");
			}
			// 关闭PreparedStatement，释放资源
			ps.close();
			// 关闭Connection，释放资源
			conn.close();
		} catch (Exception e) {
			out.print("商品信息添加失败！");
			e.printStackTrace();
		}
	%>
	<br>
	<a href="index.jsp">返回</a>
</body>
</html>

    　　

    <%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@page import="java.util.List"%>
<%@page import="Lei.Book"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="GB18030">
<title>所有商品信息</title>
</head>
<body>
<table>
		<tr bgcolor="white">
			<td align="center" colspan="5">
				<h2>所有商品信息</h2>
			</td>
		</tr>
		<tr align="center" bgcolor="#e1ffc1" >
			<td><b>ID</b></td>
			<td><b>商品名称</b></td>
			<td><b>生产厂家</b></td>
			<td><b>型号</b></td>
			<td><b>规格</b></td>
			<td><b>删　除</b></td>
		</tr>
			<%
				// 获取图书信息集合
					List<Book> list = (List<Book>)request.getAttribute("list");
					// 判断集合是否有效
					if(list == null || list.size() < 1){
						out.print("没有数据！");
					}else{
						// 遍历图书集合中的数据
						for(Book book : list){
			%>
				<tr align="center" bgcolor="white">
					<td><%=book.getId()%></td>
					<td><%=book.getName()%></td>
					<td><%=book.getManufacturer()%></td>
					<td><%=book.getModel()%></td>
					<td><%=book.getSpecifications()%></td>
					<td>
					<form action="UpdateServlet" method="post" onsubmit="return check(this);">
							<input type="hidden" name="id" value="<%=book.getId()%>">
						</form>
						</td>
						<td>
						<a href="DeleteServlet?id=<%=book.getId()%>">删除</a>
					</td>
				</tr>
			<%
					}
				}
			%>
	</table>
		<a href="index.jsp">返回</a>
</body>
</html>

    　　

    <%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>添加数据</title>
<script type="text/javascript">
	function check(form){
		with(form){
			if(Name.value == ""){
				alert("商品名称不能为空");
				return false;
			}
			if(Manufacturer.value == ""){
				alert("生产厂家不能为空");
				return false;
			}
			if(Model.value == ""){
				alert("型号不能为空");
				return false;
			}
			if(Specifications.value == ""){
				alert("规格不能为空");
				return false;
			}
			return true;
		}
	}
</script>
</head>
<body>
<form action="AddBook.jsp" method="post" onsubmit="return check(this);">
		<table>
			<tr>
				<td align="center" colspan="2">
					<h2>添加库存商品信息</h2>
					<hr>
				</td>
			</tr>
			<tr>
				<td align="right">商品名称：</td>
				<td><input type="text" name="name" /></td>
			</tr>
			<tr>
				<td align="right">生产厂家：</td>
				<td><input type="text" name="Manufacturer" /></td>
			</tr>
			<tr>
				<td align="right">商品型号：</td>
				<td><input type="text" name="Model" /></td>
			</tr>
			<tr>
				<td align="right">规　　格：</td>
				<td><input type="text" name="Specifications" /></td>
			</tr>
			<tr>
				<td align="center" colspan="2">
					<input type="submit" value="添　加">
				</td>
			</tr>
		</table>
	</form>
	<a href="FindServlet">查看所有商品</a>
</body>
</html>

    　　

    import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
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;

/**
 * Servlet implementation class UpdateServlet
 */
@WebServlet("/UpdateServlet")
public class UpdateServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public UpdateServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		int id = Integer.valueOf(request.getParameter("id"));
	//	int bookCount = Integer.valueOf(request.getParameter("bookCount")); 
		try {
			// 加载数据库驱动，注册到驱动管理器
			Class.forName("com.mysql.jdbc.Driver");
			// 数据库连接字符串
			String url = "jdbc:mysql://localhost:3306/db_database10?useSSL=false&useUnicode=true&characterEncoding=UTF-8";
			// 数据库用户名
			String username = "root";
			// 数据库密码
			String password = "123";
			// 创建Connection连接
			Connection conn = DriverManager.getConnection(url,username,password);
			// 更新SQL语句
			String sql = "update tb_books set bookcount=? where id=?";
			// 获取PreparedStatement
			PreparedStatement ps = conn.prepareStatement(sql);
			// 对SQL语句中的第一个参数赋值
			//ps.setInt(1, bookCount);
			// 对SQL语句中的第二个参数赋值
			ps.setInt(1, id);
			// 执行更新操作
			ps.executeUpdate();
			// 关闭PreparedStatement
			ps.close();
			// 关闭Connection
			conn.close();
		} catch (Exception e) {
			e.printStackTrace();
		} 
		// 重定向到FindServlet
		response.sendRedirect("FindServlet");
	}

	}

    　　

    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 java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
/**
 * Servlet implementation class FindServlet
 */
@WebServlet("/FindServlet")
public class FindServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public FindServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		try {
			// 加载数据库驱动，注册到驱动管理器
			Class.forName("com.mysql.jdbc.Driver");
			// 数据库连接字符串
			String url = "jdbc:mysql://localhost:3306/db_database10?useSSL=false&useUnicode=true&characterEncoding=UTF-8";
			// 数据库用户名
			String username = "root";
			// 数据库密码
			String password = "123";
			// 创建Connection连接
			Connection conn = DriverManager.getConnection(url,username,password);
			// 获取Statement
			Statement stmt = conn.createStatement();
			// 添加图书信息的SQL语句
			String sql = "select * from tb_books";
			// 执行查询
			ResultSet rs = stmt.executeQuery(sql);
			// 实例化List对象
			List<Book> list = new ArrayList<Book>();
			// 判断光标向后移动，并判断是否有效
			while(rs.next()){
				// 实例化Book对象
				Book book = new Book();
				// 对id属性赋值
				book.setId(rs.getInt("id"));
				// 对name属性赋值
				book.setName(rs.getString("Name"));
				// 对price属性赋值
				book.setManufacturer(rs.getString("Manufacturer"));
				// 对bookCount属性赋值
				book.setModel(rs.getString("Model"));
				// 对author属性赋值
				book.setSpecifications(rs.getString("Specifications"));
				// 将图书对象添加到集合中
				list.add(book);
			}
			// 将图书集合放置到request之中
			request.setAttribute("list", list);
			rs.close();		// 关闭ResultSet
			stmt.close();	// 关闭Statement
			conn.close();	// 关闭Connection
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		// 请求转发到book_list.jsp
		request.getRequestDispatcher("book_list.jsp").forward(request, response);
	}

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

}

    　　

    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 java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
/**
 * Servlet implementation class FindServlet
 */
@WebServlet("/FindGetOneServlet")
public class FindGetOneServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public FindGetOneServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		int id = Integer.valueOf(request.getParameter("id"));
		try {
			// 加载数据库驱动，注册到驱动管理器
			Class.forName("com.mysql.jdbc.Driver");
			// 数据库连接字符串
			String url = "jdbc:mysql://localhost:3306/db_database10?useSSL=false";
			// 数据库用户名
			String username = "root";
			// 数据库密码
			String password = "123";
			// 创建Connection连接
			Connection conn = DriverManager.getConnection(url,username,password);
			// 获取Statement
//			Statement stmt = conn.createStatement();
			// 添加图书信息的SQL语句
//			String sql = "select * from tb_books where id=?";
//			PreparedStatement ps = conn.prepareStatement(sql, id);
			Statement stmt = conn.createStatement();  
			ResultSet rs = stmt.executeQuery("select * from tb_books where ID="+id);  
			// 对SQL语句中的第一个参数赋值
//			ps.setInt(1, id);
			// 执行查询
//			ResultSet rs = ps.executeQuery(sql);
			// 实例化List对象
			List<Book> list = new ArrayList<Book>();
			Book book = new Book();
			// 判断光标向后移动，并判断是否有效
			while(rs.next()){
				// 实例化Book对象
				
				// 对id属性赋值
				book.setId(rs.getInt("id"));
				// 对name属性赋值
				book.setName(rs.getString("Name"));
				// 对price属性赋值
				book.setManufacturer(rs.getString("Manufacturer"));
				// 对bookCount属性赋值
				book.setModel(rs.getString("Model"));
				// 对author属性赋值
				book.setSpecifications(rs.getString("Specifications"));
				// 将图书对象添加到集合中
//				list.add(book);
			}
			// 将图书集合放置到request之中
			request.setAttribute("book", book);
			rs.close();		// 关闭ResultSet
//			ps.close();	// 关闭Statement
			conn.close();	// 关闭Connection
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		// 请求转发到book_list.jsp
		request.getRequestDispatcher("book_update.jsp").forward(request, response);
	}

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

}

    　　

    import java.io.IOException;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

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

/**
 * Servlet implementation class DeleteServlet
 */

@WebServlet("/DeleteServlet")

public class DeleteServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public DeleteServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		// 获取商品id
				int id = Integer.valueOf(request.getParameter("id"));
				try {
					// 加载数据库驱动，注册到驱动管理器
					Class.forName("com.mysql.jdbc.Driver");
					// 数据库连接字符串
					String url = "jdbc:mysql://localhost:3306/db_database10?useSSL=false&useUnicode=true&characterEncoding=UTF-8";
					// 数据库用户名
					String username = "root";
					// 数据库密码
					String password = "123";
					// 创建Connection连接
					Connection conn = DriverManager.getConnection(url,username,password);
					// 删除商品信息的SQL语句
					String sql = "delete from tb_books where id=?";
					// 获取PreparedStatement
					PreparedStatement ps = conn.prepareStatement(sql);
					// 对SQL语句中的第一个占位符赋值
					ps.setInt(1, id);
					// 执行更新操作
					ps.executeUpdate();
					// 关闭PreparedStatement
					ps.close();
					// 关闭Connection
					conn.close();
				} catch (Exception e) {
					e.printStackTrace();
				} 
				// 重定向到FindServlet
				response.sendRedirect("FindServlet");
	}

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

}

    　　

    public class Book {
	//编号
	private int id;
	//商品名称
	private String Name;
	// 生产厂家
	private String Manufacturer;
	//型号
	private String Model;
	// 规格
	private String Specifications;
	
	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 getManufacturer() {
		return Manufacturer;
	}
	public void setManufacturer(String Manufacturer) {
		this.Manufacturer=Manufacturer;
	}
	
	
	public String getModel() {
		return Model;
	}
	public void setModel(String Model) {
		this.Model=Model;
	}
	
	
	public String getSpecifications() {
		return Specifications;
	}
	public void setSpecifications(String Specifications) {
		this.Specifications=Specifications;
	}
	
}

    　　
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  • 原文地址：https://www.cnblogs.com/yishaui/p/10117127.html
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