基于浏览器与Tomcat服务器的简单商品管理系统_商品管理程序用tomcat-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_42709766/article/details/103962501

package com.zl.base;

import org.apache.commons.dbutils.QueryRunner;

import com.zl.util.DButils;

/**
 * 操作业务的定义
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
public interface BaseDao<T> {
	static final QueryRunner QR = DButils.getQueryRunner();

	// 更据id去查询
	T selectById(int id);

	// 添加信息
	int add(T t);

	// 根据id删除信息
	int del(int id);

	// 修改信息
	int update(T t);

}

package com.zl.base;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

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

/**
 * Servelt的基类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
@WebServlet("/ServletBase")
public class BaseServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	@Override
	protected void service(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		// 设置字符编码集
		rq.setCharacterEncoding("utf-8");
		rp.setContentType("text/html;charset=utf-8");

		// 获取页面请求的方法类型
		String method = rq.getParameter("method");
		// 根据方法名调用指定的方法
		Class clazz = this.getClass();

		Method m;
		try {
			m = clazz.getMethod(method, HttpServletRequest.class, HttpServletResponse.class);
			m.invoke(this, rq, rp);
		} catch (NoSuchMethodException e) {

			e.printStackTrace();
		} catch (SecurityException e) {

			e.printStackTrace();
		} catch (IllegalAccessException e) {

			e.printStackTrace();
		} catch (IllegalArgumentException e) {

			e.printStackTrace();
		} catch (InvocationTargetException e) {

			e.printStackTrace();
		}

	}

}

package com.zl.base.impl;

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

import com.zl.base.BaseServlet;

/**
 * 数据库的操作Servlet
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */

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

	// 添加
	public void add(HttpServletRequest rq, HttpServletResponse rp) {
		//
	}

	// 删除
	public void delete(HttpServletRequest rq, HttpServletResponse rp) {

	}

	// 修改
	public void update(HttpServletRequest rq, HttpServletResponse rp) {

	}

	// 查询
	public void find(HttpServletRequest rq, HttpServletResponse rp) {

	}

}

package com.zl.dao;

import java.util.List;

import com.zl.base.BaseDao;
import com.zl.entity.Goods;

/**

商品操作定义
@author 丢了风筝的线
@see 2020年1月9日
*/
public interface GoodCRUDDao extends BaseDao {

// 查询所有额商品
List selectAll();
}

package com.zl.dao;

import java.util.List;

import com.zl.base.BaseDao;
import com.zl.entity.Goodstype;

/**
 * 商品操作定义
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
public interface GoodsTypeDao extends BaseDao<Goodstype> {
	// 查询所有的商品类别
	public List<Goodstype> selectAll();
}

package com.zl.dao;

import com.zl.base.BaseDao;
import com.zl.entity.User;

/**
 * 登录时使用到的方法的定义
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月7日
 */
public interface UserDao extends BaseDao<User> {

	User selectByNameAndPwd(String name, String password);

}

package com.zl.daoimpl;

import java.sql.SQLException;
import java.util.List;

import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import com.zl.dao.GoodCRUDDao;
import com.zl.entity.Goods;

/**

商品操作实现类
@author 丢了风筝的线
@see 2020年1月9日
*/
public class GoodsDaoImpl implements GoodCRUDDao {
// 查询所有商品信息
@Override
public List selectAll() {
String sql = “select * from goods”;
List list = null;
try {
list = QR.query(sql, new BeanListHandler(Goods.class));
```
 } catch (SQLException e) {

 	e.printStackTrace();
 }

 return list;
```
}

@Override
public Goods selectById(int id) {
String sql = “select * from goods where gid = ?”;
Goods g = null;
try {
g = QR.query(sql, new BeanHandler(Goods.class), id);
} catch (SQLException e) {
```
 	e.printStackTrace();
 }
 return g;
```
}

@Override
public int add(Goods g) {
String sql = “insert into goods(gname,price,gdesc,createDate,typename)values(?,?,?,?,?)”;
int n = 0;
try {
n = QR.update(sql, g.getGname(), g.getPrice(), g.getGdesc(), g.getCreateDate(), g.getTypename());
```
 } catch (SQLException e) {

 	e.printStackTrace();
 }
 return n;
```
}

@Override
public int del(int id) {
String sql = “delete from goods where gid=?”;
int n = 0;
try {
n = QR.update(sql, id);
} catch (SQLException e) {
```
 	e.printStackTrace();
 }
 return n;
```
}

@Override
public int update(Goods g) {
String sql = “update goods set gname=?,price=?,gdesc=?,createDate=? where gid=?”;
int n = 0;
try {
n = QR.update(sql, g.getGname(), g.getPrice(), g.getGdesc(), g.getCreateDate(), g.getGid());
} catch (SQLException e) {
```
 	e.printStackTrace();
 }
 return n;
```
}

}

package com.zl.daoimpl;

import java.sql.SQLException;
import java.util.List;

import org.apache.commons.dbutils.handlers.BeanListHandler;

import com.zl.dao.GoodsTypeDao;
import com.zl.entity.Goodstype;

/**
 * 商品操作实现类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
public class GoodsTypeDaoImpl implements GoodsTypeDao {

	@Override
	public Goodstype selectById(int id) {

		return null;
	}

	// 添加商品类型
	@Override
	public int add(Goodstype gt) {
		String sql = "insert into goodtype set typename=?";
		int n = 0;
		try {
			n = QR.update(sql, gt.getTypename());
		} catch (SQLException e) {

			e.printStackTrace();
		}
		return n;
	}

	@Override
	public int del(int id) {

		return 0;
	}

	@Override
	public int update(Goodstype t) {

		return 0;
	}

	@Override
	public List<Goodstype> selectAll() {
		List<Goodstype> typeList = null;
		String sql = "select * from goodtype";
		try {
			typeList = QR.query(sql, new BeanListHandler<Goodstype>(Goodstype.class));
		} catch (SQLException e) {

			e.printStackTrace();
		}
		return typeList;
	}

}

package com.zl.daoimpl;

import java.sql.SQLException;

import org.apache.commons.dbutils.handlers.BeanHandler;

import com.zl.dao.UserDao;
import com.zl.entity.User;

/**
 * 登录功能的具体实现
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月7日
 */
public class UserDaoImpl implements UserDao {
	// 通过用户id查询
	@Override
	public User selectById(int id) {

		return null;
	}

	// 添加用户信息
	@Override
	public int add(User u) {
		String sql = "insert into user(name,password)values(?,?)";
		int n = 0;
		try {
			n = QR.update(sql, u.getName(), u.getPassword());
		} catch (SQLException e) {

			e.printStackTrace();
		}
		return n;
	}

	// 删除用户信息
	@Override
	public int del(int id) {

		return 0;
	}

	// 修改用户的信息
	@Override
	public int update(User u) {

		return 0;
	}

	// 根据name和password查询
	@Override
	public User selectByNameAndPwd(String name, String password) {
		String sql = "select * from user where name=? and password=?";
		User u = null;
		try {
			u = QR.query(sql, new BeanHandler<User>(User.class), name, password);
		} catch (SQLException e) {

			e.printStackTrace();
		}
		return u;
	}

}

package com.zl.entity;

/**
 * 商品实体类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
public class Goods {
	private int gid;
	private String gname;
	private double price;
	private String gdesc;
	private String createDate;
	private String typename;

	public Goods() {
		super();

	}

	public String getTypename() {
		return typename;
	}

	public void setTypename(String typename) {
		this.typename = typename;
	}

	public Goods(int gid, String gname, double price, String gdesc, String createDate, String typename) {
		super();
		this.gid = gid;
		this.gname = gname;
		this.price = price;
		this.gdesc = gdesc;
		this.createDate = createDate;
		this.typename = typename;
	}

	public Goods(String gname, double price, String gdesc, String createDate, String typename) {
		super();
		this.gname = gname;
		this.price = price;
		this.gdesc = gdesc;
		this.createDate = createDate;
		this.typename = typename;
	}

	public int getGid() {
		return gid;
	}

	public void setGid(int gid) {
		this.gid = gid;
	}

	public String getGname() {
		return gname;
	}

	public void setGname(String gname) {
		this.gname = gname;
	}

	public double getPrice() {
		return price;
	}

	public void setPrice(double price) {
		this.price = price;
	}

	public String getGdesc() {
		return gdesc;
	}

	public void setGdesc(String gdesc) {
		this.gdesc = gdesc;
	}

	public String getCreateDate() {
		return createDate;
	}

	public void setCreateDate(String createDate) {
		this.createDate = createDate;
	}

	@Override
	public String toString() {
		return "Goods [gid=" + gid + ", gname=" + gname + ", price=" + price + ", gdesc=" + gdesc + ", createDate="
				+ createDate + ", typename=" + typename + "]";
	}

}

package com.zl.entity;

/**
 * 商品类型类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月12日
 */
public class Goodstype {
	private int id;
	private String typename;

	public Goodstype() {
		super();

	}

	public Goodstype(int id, String typename) {
		super();
		this.id = id;
		this.typename = typename;
	}

	public Goodstype(String typename) {
		this.typename = typename;
	}

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getTypename() {
		return typename;
	}

	public void setTypename(String typename) {
		this.typename = typename;
	}

	@Override
	public String toString() {
		return "Goodstype [id=" + id + ", typename=" + typename + "]";
	}

}

package com.zl.entity;

/**
 * 学生实体类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月7日
 */
public class User {
	private String id;
	private String name;
	private String password;

	public User() {

	}

	public User(String name, String password) {
		this.name = name;
		this.password = password;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	@Override
	public String toString() {
		return "Studnet [id=" + id + ", name=" + name + ", password=" + password + "]";
	}

}

package com.zl.service;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.Map;

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

import org.apache.commons.beanutils.BeanUtils;

import com.zl.base.BaseServlet;
import com.zl.dao.GoodCRUDDao;
import com.zl.dao.GoodsTypeDao;
import com.zl.daoimpl.GoodsDaoImpl;
import com.zl.daoimpl.GoodsTypeDaoImpl;
import com.zl.entity.Goods;
import com.zl.entity.Goodstype;

/**
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月10日
 */
@WebServlet("/goodsCRUD")
public class GoodsService extends BaseServlet {
	GoodCRUDDao gd = new GoodsDaoImpl();
	GoodsTypeDao dta = new GoodsTypeDaoImpl();

	// 展示商品
	public void show(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		List<Goods> list = gd.selectAll();
		if (list.size() > 0) {
			// 绑定list数据，发送到商品操作页面
			rq.setAttribute("goodlist", list);
			rq.getRequestDispatcher("goodsCRUD.jsp").forward(rq, rp);
		} else {
			rp.getWriter().print("当前没有商品");
		}
	}

	// 删除商品
	public void del(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {

		int n = gd.del(Integer.parseInt(rq.getParameter("gid")));
		if (n > 0) {
			show(rq, rp);
		} else {
			rp.getWriter().print("删除失败！");
			rp.sendRedirect("goodsCRUD?method=show");
		}

	}

	// 添加商品
	public void add(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		Goods g = new Goods();
		try {
			Map<String, String[]> map = rq.getParameterMap();
			if (!map.isEmpty()) {
				rp.getWriter().print("添加失败");
			} else {
				BeanUtils.populate(g, map);
				int n = gd.add(g);
				if (n > 0) {
					rp.sendRedirect("goodsCRUD?method=show");
				}
			}
		} catch (IllegalAccessException e) {

			e.printStackTrace();
		} catch (InvocationTargetException e) {

			e.printStackTrace();
		}

	}

	// 获取商品的所有类型
	public void getGoodstype(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		List<Goodstype> typelist = dta.selectAll();
		if (typelist != null) {
			rq.setAttribute("typelist", typelist);
			rq.getRequestDispatcher("addGoods.jsp").forward(rq, rp);
		}

	}

	// 展示要修改的商品的信息
	public void showUpdate(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {

		int gid = Integer.parseInt(rq.getParameter("gid"));
		Goods g = gd.selectById(gid);
		if (g != null) {
			rq.setAttribute("good", g);
			rq.getRequestDispatcher("goodUpdate.jsp").forward(rq, rp);
		}
	}

	// 修改商品的信息
	public void update(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		Goods g = new Goods();
		try {
			BeanUtils.populate(g, rq.getParameterMap());
			int n = gd.update(g);
			rp.sendRedirect("goodsCRUD?method=show");

		} catch (IllegalAccessException e) {

			e.printStackTrace();
		} catch (InvocationTargetException e) {

			e.printStackTrace();
		}
	}
}

package com.zl.service;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;

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

import org.apache.commons.beanutils.BeanUtils;

import com.zl.base.BaseServlet;
import com.zl.dao.GoodsTypeDao;
import com.zl.daoimpl.GoodsTypeDaoImpl;
import com.zl.entity.Goodstype;

/**
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月10日
 */
@WebServlet("/goodsTypeAdd")
public class GoodsTypeService extends BaseServlet {
	GoodsTypeDao gtd = new GoodsTypeDaoImpl();

	// 添加商品
	public void addType(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {

		Goodstype gt = new Goodstype();
		try {
			BeanUtils.populate(gt, rq.getParameterMap());
			int n = gtd.add(gt);
			if (n > 0) {
				rp.getWriter().print("添加成功！");
			} else {
				rp.getWriter().print("添加失败！");
			}
		} catch (IllegalAccessException e) {

			e.printStackTrace();
		} catch (InvocationTargetException e) {

			e.printStackTrace();
		}

	}
}

package com.zl.service;

import java.io.IOException;

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

import com.zl.base.BaseServlet;
import com.zl.dao.GoodCRUDDao;
import com.zl.dao.UserDao;
import com.zl.daoimpl.GoodsDaoImpl;
import com.zl.daoimpl.UserDaoImpl;
import com.zl.entity.User;

/**
 * 登录
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
@WebServlet("/login")
public class LoginService extends BaseServlet {
	UserDao ud = new UserDaoImpl();
	GoodCRUDDao gd = new GoodsDaoImpl();

	public void onlogin(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {

		String name = rq.getParameter("name");
		String password = rq.getParameter("password");
		User user = ud.selectByNameAndPwd(name, password);
		// 获取session
		HttpSession session = rq.getSession();
		// 绑定数据
		session.setAttribute("userinfo", user);
		if (user != null) {
			rp.sendRedirect("index.html");
		} else {
			rp.sendRedirect("register.html");

		}

	}

}

package com.zl.service;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;

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

import org.apache.commons.beanutils.BeanUtils;

import com.zl.base.BaseServlet;
import com.zl.dao.UserDao;
import com.zl.daoimpl.UserDaoImpl;
import com.zl.entity.User;

/**
 * 注册
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月9日
 */
@WebServlet("/register")
public class RegisterService extends BaseServlet {
	UserDao ud = new UserDaoImpl();

	public void onregister(HttpServletRequest rq, HttpServletResponse rp) throws ServletException, IOException {
		User user = new User();
		try {
			BeanUtils.populate(user, rq.getParameterMap());
			int n = ud.add(user);
			if (n > 0) {
				rp.getWriter().print("<script>location.href='sikp.html'</script>");
			}
		} catch (IllegalAccessException e) {

			e.printStackTrace();
		} catch (InvocationTargetException e) {

			e.printStackTrace();
		}

	}
}

package com.zl.util;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 日期转换工具
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月10日
 */
public class DateTransUtil {
	public static Date getDate(String date) {
		// 规定日期的格式
		DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
		Date d = null;
		try {
			// 将日期字符串转换为日期
			d = df.parse(date);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return d;
	}
}

package com.zl.util;

import javax.sql.DataSource;

import org.apache.commons.dbutils.QueryRunner;

import com.mchange.v2.c3p0.ComboPooledDataSource;

/**
 * 数据库操作的工具类
 * 
 * @author 丢了风筝的线
 *
 * @see 2020年1月6日
 */
public class DButils {
	static DataSource ds;
	// 1、创建数据源
	static {
		ds = new ComboPooledDataSource();
	}

	private DButils() {
	}

	// 2、通过连接创建执行器
	public static QueryRunner getQueryRunner() {

		return new QueryRunner(ds);
	}

}

<!-- c3p0数据库连接池的配置文件 -->
<c3p0-config>
    <!-- 默认配置 -->
    <default-config>
        <!-- 数据库的驱动 -->
        <property name="driverClass">com.mysql.jdbc.Driver</property>
        <!-- 数据库的链接路径 -->
        <property name="jdbcUrl">jdbc:mysql:///stu</property>
        <!-- 数据库的用户名  -->
        <property name="user">root</property>
        <!-- 密码 -->
        <property name="password">123</property>
        <!-- 空闲链接测试周期 -->
        <property name="idleConnectionTestPeriod">30</property>
        <!-- 最大的空闲时间 -->
        <property name="maxIdleTime">30</property>
        <!-- 检查链接超时 -->
        <property name="checkout">30000</property>
        <!-- 连接池初始的大小 -->
        <property name="initialPoolSize">10</property>
        <!-- 最大的连接数 -->
        <property name="maxpoolSize">100</property> 
        <!-- 最小的连接数 -->
        <property name="minPoolSize">10</property>
        <!-- 最大的执行器数 -->
        <property name="maxStatements">200</property>
    </default-config>
</c3p0-config>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.util.List,com.zl.entity.Goodstype"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>添加商品页面</title>
</head>
<body>
 <center>
    <br/><br/><br/><br/><br/>
        <form action="goodsCRUD?method=add" method="post">
                商品名称：<input type="text" name="gname"/><br/><br/>
                商品价格：<input type="text" name="price"/><br/><br/>
                商品描述：<input type="text" name="gdesc"/><br/><br/>
                生产日期：<input type="text" name="createDate"/><br/><br/>
                商品类型：&nbsp;&nbsp;<select name="typename" id="s1">
                <% 
        List<Goodstype> typelist =(List<Goodstype>) request.getAttribute("typelist");
   
    for(Goodstype goodtype:typelist){ %>
       <option value=<%=goodtype.getTypename()%>><%=goodtype.getTypename()%></option>
    <%}%>
                </select><br/><br/>
                 <input type="submit" value="添加"/>
        </form>
    </center>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>添加商品类型</title>
</head>
<body>
<center>
    <br/><br/><br/><br/><br/>
        <form action="goodsTypeAdd?method=addType" method="post">
                商品类型：<input type="text" name="typename"/><br/><br/>
                 <input type="submit" value="添加"/>
        </form>
    </center>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.util.List,com.zl.entity.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>商品操作页面</title>
</head>
<body>
<%Object obj =  session.getAttribute("userinfo");
if(obj!=null){%>
<center>
<br/><br/><br/>
    <table width=70% border=1 cellspacing=0 cellpadding=0 style='text-align:center'>
        <caption>商品列表</caption>
            <tr>
                <th>商品编号</th>
                <th>商品名称</th>
                <th>商品价格</th>
                <th>商品描述</th>
                <th>生产日期</th>
                <th>商品类型</th>
                <th>操作</th>
            </tr>
            <% 
                List<Goods> list = (List<Goods>)request.getAttribute("goodlist");
                for(Goods g :list){%>           
            <tr> 
	            <td><%=g.getGid() %></td>
	            <td><%=g.getGname()%></td>
	            <td><%=g.getPrice()%></td>
	            <td><%=g.getGdesc() %></td>
	            <td><%=g.getCreateDate()%></td>
	            <td><%=g.getTypename()%></td>
	            <td><a href="goodsCRUD?method=showUpdate&gid=<%=g.getGid()%>">修改</a>&nbsp;|&nbsp;<a href="goodsCRUD?method=del&gid=<%=g.getGid()%>">删除</a></td>
            </tr>
            
            <%}%>
            <tr>
                <td colspan="7"><a href="goodsCRUD?method=getGoodstype">添加</a></td>
            </tr>
      </table>
</center>
<%}else{
	out.print("请先登录");
} %>
</body>
</html>

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>商品管理首页</title>
		<style type="text/css">
			.header{
				height: 50px;
				text-align: center;
				border-bottom: 2px solid #424242;
			}
			.middle{
				height: 500px;
				width: 100%;
				background: pink;
			}
			.middle .left{
				float: left;
				width: 25%;
				height: 500px;
				text-align: center;
			}
			.left a{
				display: block;
				width: 300px;
				height: 50px;
				font-size: 18px;
				font-weight: 700;
				text-decoration: none;	
				
			}
			.right{
				float: right;
				width: 75%;
			}
		</style>
	</head>
	<body>
		<div class="header">
			<h1>商品管理系统</h1>
		</div>
		<div class="middle">
			<div class="left">
				<br/><br/><br/><br/>
				<a href="addGoodType.html" target="inf">添加商品类型</a>
				<a href="goodsCRUD?method=show" target="inf">查看所有商品</a>
				<a href="goodsCRUD?method=getGoodstype" target="inf">添加商品信息</a>
			</div>
			<div class="right">
				<iframe name="inf" width="100%" height="498" ></iframe>
			</div>
		</div>
	</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录页面</title>
<style type="text/css">
    body{
        background:url(images/74.jpg);
    }
</style>
</head>
<body>
<center>
<br/><br/><br/><br/><br/><br/>
    <form action="login?method=onlogin" method="post">
                   用户名<input name="name"/><br/><br/><br/>
                    
                   密  码 &nbsp;&nbsp;<input name="password"/><br/><br/>
    <input type="submit" value="登录">
    </form>
 </center>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>注册页面</title>
<style type="text/css">
    body{
        background:url(images/74.jpg);
    }
</style>
</head>
<body>
<center>
<br/><br/><br/><br/><br/><br/>
    <form action="register?method=onregister" method="post">
                   用户名<input name="name"/><br/><br/><br/>
                    
                   密  码 &nbsp;&nbsp;<input name="password"/><br/><br/>
    <input type="submit" value="提交">
    </form>
 </center>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>注册登录跳转页面</title>
</head>
<script type="text/javascript">
window.onload = function(){
	var i = 5;
	setInterval(function(){
		i--;
		if(i<=0){
			location.href="login.html";
		}
		document.getElementById("sp").innerHTML = i;
	},1000);
}
</script>
<body>
<center>
<br><br><br><br><br><br><br><br>
将在<span id="sp">5</span>秒后跳转到<a href="login.html">登录</a>页面
</center>
</body>
</html>