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spring项目篇15 --- 商城小项目创建订单以及查看所有订单

时间：2020-01-30 10:00:06      阅读：97      评论：0      收藏：0      [点我收藏+]

标签：源码   message   ons   cat   storage   only   获取   utf-8   justify   

深圳肺炎患者突破80了，现在心里慌慌的，不知什么时候返深啊。。。既来之，则安之！

今天，这个简单的小项目最后一步，创建订单以及查看所有订单状态，我们的订单只需要点击一下付款即可完成支付，没有接入第三方支付。下面计划开始学习mybatis。

因为大多是业务代码，我们直接看就可以

先看dao层，在创建订单的时候，因为设计多表操作，因此需要开启事务

// IOrderDao
package com.yang.dao;

import com.yang.domain.Car;
import com.yang.domain.Order;
import com.yang.domain.OrderDetail;

import java.util.List;

public interface IOrderDao {

    // 获取订单信息
    List<Order> getList(Integer userId);

    // 获取订单详情
    List<OrderDetail> getDetailList(Integer orderId);

    // 获取单个订单信息
    Order getOrder(Integer userId, Integer id);

    // 删除订单
    boolean deleteOrder(Integer id);

    // 添加订单
    Integer addOrder(Order order, List<Car> carList);

    // 更新订单
    boolean updateOrder(Integer id, Order order);

}
// OrderDaoImpl
package com.yang.dao.impl;

import com.mysql.jdbc.Statement;
import com.yang.dao.IOrderDao;
import com.yang.domain.Car;
import com.yang.domain.Order;
import com.yang.domain.OrderDetail;
import com.yang.handler.BeanHandler;
import com.yang.handler.BeanListHandler;
import com.yang.util.CRUDTemplate;
import com.yang.util.JdbcUtil;
import org.springframework.stereotype.Repository;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.List;

@Repository
public class OrderDaoImpl implements IOrderDao {
    @Override
    public List<Order> getList(Integer userId) {
        // 建立sql语句
        String sql = "select * from orders where userId = ?";
        return CRUDTemplate.executeQuery(sql, new BeanListHandler<>(Order.class), userId);
    }

    // 获取订单详情
    @Override
    public List<OrderDetail> getDetailList(Integer orderId) {
        // 建立sql语句
        String sql = "select * from order_detail where orderId = ?";
        return CRUDTemplate.executeQuery(sql, new BeanListHandler<>(OrderDetail.class), orderId);
    }

    // 单个查询
    @Override
    public Order getOrder(Integer userId, Integer id) {
        // 建立sql语句
        String sql = "select * from orders where userId = ? and id = ?";
        return CRUDTemplate.executeQuery(sql, new BeanHandler<>(Order.class), userId, id);
    }

    // 删除,需要删除订单以及订单详情，数据库一致性没需要开始事务
    @Override
    public boolean deleteOrder(Integer id) {
        String sql = "delete from orders where id = ?";
        String sql2 = "delete from order_detail where orderId = ?";
        Connection conn = JdbcUtil.getConn();
        PreparedStatement ps = null;
        boolean flag = true;
        try {
            assert conn != null;
            // 设置数据库不自动提交
            conn.setAutoCommit(false);
            ps = conn.prepareStatement(sql);
            ps.setInt(1, id);
            // 预执行
            ps.executeUpdate();
            ps = conn.prepareStatement(sql2);
            ps.setInt(1, id);
            ps.executeUpdate();
            // 事务提交
            conn.commit();
        } catch (Exception e) {
            flag = false;
            e.printStackTrace();
            try {
                // 删除失败，数据库回滚
                conn.rollback();
            } catch (Exception err) {
                err.printStackTrace();
            }
        } finally {
            JdbcUtil.close(conn, ps, null);
        }
        return flag;

    }

    // 增加新的订单
    @Override
    public Integer addOrder(Order order, List<Car> carList) {
        // 执行语句
        String sql = "insert into orders(userId, price) values(?,?)";
        String sql2 = "insert into order_detail(orderId, productId, price) values(?,?,?)";
        String sql3 = "delete from car where id = ?";
        Connection conn = JdbcUtil.getConn();
        PreparedStatement ps = null;
        ResultSet rs = null;
        int orderId = 0;
        try {
            assert conn != null;
            // 设置不要自动提交
            conn.setAutoCommit(false);
            // 生成订单
            ps = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
            ps.setInt(1, order.getUserId());
            ps.setFloat(2, order.getPrice());
            ps.executeUpdate();
            rs = ps.getGeneratedKeys();
            if (rs.next()) {
                // 获取生成订单的id
                int id = rs.getInt(1);
                orderId = id;
                for(Car car : carList){

                    // 将产品插入订单详情
                    ps = conn.prepareStatement(sql2);
                    ps.setInt(1, id);
                    ps.setInt(2, car.getProductId());
                    ps.setFloat(3, car.getPrice());
                    ps.executeUpdate();
                    // 从购物车中删除
                    ps = conn.prepareStatement(sql3);
                    ps.setInt(1, car.getId());
                    ps.executeUpdate();

                }
            }
            // 提交事务
            conn.commit();

        } catch (Exception e) {
            orderId = 0;
            e.printStackTrace();
            try {
                // 事务回滚
                conn.rollback();
            } catch (Exception err) {
                err.printStackTrace();
            }
        } finally {
            // 关闭资源
            JdbcUtil.close(conn, ps, rs);
        }
        return orderId;
    }

    @Override
    public boolean updateOrder(Integer id, Order order) {
        // 只更新付款状态
        String sql = "update orders set status = ? where id = ?";
        int result = CRUDTemplate.executeUpdate(sql, order.getStatus(), id);
        return result == 1;
    }
}

本次购物车代码有更新，一并看一下，补充了一个下面的接口

    // 根据购物车Id获取购物车内容
    Car getCar(Integer id);

service层不看了，没什么代码量，直接来看controller层

// OrderController

package com.yang.controller;

import com.yang.domain.*;
import com.yang.service.ICarService;
import com.yang.service.IOrderService;
import com.yang.service.IProductService;
import com.yang.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
public class OrderController {

    @Autowired
    IOrderService iOrderService;
    @Autowired
    ICarService iCarService;
    @Autowired
    IUserService iUserService;
    @Autowired
    IProductService iProductService;

    // 创建订单并跳转到结算页面
    @ResponseBody
    @RequestMapping("/order/add/{userId}/{carId}")
    public int AddOrder(@PathVariable("userId") Integer userId, @PathVariable("carId") Integer carId) {
        List<Car> carList = new ArrayList<>();
        float totalPrice = 0;
        // 检查是单独结算，还是整体结算
        if (carId == 0) {
            carList = iCarService.getList(userId);
            for (Car car : carList) {
                totalPrice += car.getPrice();
            }
        } else {
            Car car = iCarService.getCar(carId);
            carList.add(car);
            totalPrice = car.getPrice();
        }
        // 生成订单模型
        Order order = new Order();
        order.setPrice(totalPrice);
        order.setUserId(userId);
        // 返回生成 的订单id
        return iOrderService.addOrder(order, carList);
    }

    // 跳转到订单页面
    @RequestMapping("/order/{orderId}/{userId}")
    public String Order(@PathVariable("orderId") Integer orderId, @PathVariable("userId") Integer userId, Model model) {

        User user = iUserService.get(userId);
        // 查询订单
        Order order = iOrderService.getOrder(userId, orderId);
        if (order == null) {
            model.addAttribute("message", "访问的订单不存在");
            return "error";
        }
        // 查询订单下每一行的信息
        List<OrderDetail> orderDetails = iOrderService.getDetail(orderId);
        Map<Integer, Product> productMap = new HashMap<>();
        // 获取订单中商品信息，并封装
        for (OrderDetail orderDetail : orderDetails) {
            Product product = iProductService.getProduct(orderDetail.getProductId());
            productMap.put(orderDetail.getId(), product);
        }
        // 向模型塞数据
        model.addAttribute("user", user);
        model.addAttribute("order", order);
        model.addAttribute("orderDetails", orderDetails);
        model.addAttribute("productMap", productMap);
        return "orders";
    }

    @ResponseBody
    @RequestMapping("/order/update/{orderId}")
    public String orderUpdate(@PathVariable Integer orderId) {
        // 这里新建一个对象的原因是为了以后可扩展，如果修改订单其他数据直接修改controller层数据就好
        Order order = new Order();
        order.setId(orderId);
        order.setStatus("已付款");
        boolean result = iOrderService.updateOrder(orderId, order);
        if (result) {
            return "ok";
        }
        return "fail";
    }

    // 展示当前用户所有的订单
    @RequestMapping("/order/list/{userId}")
    public String orderList(@PathVariable Integer userId, Model model) {
        User user = iUserService.get(userId);
        List<Order> orderList = iOrderService.getList(userId);
        // 封装一下订单详情，键就是订单的id
        Map<Integer, List<OrderDetail>> orderMap = new HashMap<>();
        // 捕捉所有的商品
        Map<Integer, Product> productMap = new HashMap<>();
        for (Order order : orderList) {
            List<OrderDetail> orderDetails = iOrderService.getDetail(order.getId());
            orderMap.put(order.getId(), orderDetails);
            for (OrderDetail orderDetail : orderDetails) {
                Product product = iProductService.getProduct(orderDetail.getProductId());
                productMap.put(product.getId(), product);
            }
        }

        model.addAttribute("user", user);
        model.addAttribute("orderMap", orderMap);
        model.addAttribute("productMap", productMap);
        model.addAttribute("orderList", orderList);
        return "myOrders";
    }


}

看一下前端页面

购物车的

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title>${user.username}的购物车</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="yang">

    <!-- Bootstrap core CSS -->
    <link href="${pageContext.request.contextPath}/static/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">杨的购物广场</a>
        </div>
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="${pageContext.request.contextPath}/">回欢迎页</a></li>
                <li><a href="#" id="backProduct">返回商品列表</a></li>

            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="${pageContext.request.contextPath}/car/${user.id}">购物车</a></li>
                <li class="dropdown">
                    <img src="${pageContext.request.contextPath}/${user.avatarUrl}" alt=""
                         style="    max-width: 30px; display: inline-block;">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false" style="display: inline-block; padding-left: 3px;">${user.username}<span
                            class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="${pageContext.request.contextPath}/userinfo/${user.id}">个人信息</a></li>
                        <li><a href="${pageContext.request.contextPath}/order/list/${user.id}">查看订单</a></li>
                        <li id="logout"><a>退出</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div style="max-width: 1440px; margin: 0 auto">
    <table class="table table-striped">
        <caption>${user.username}的购物车</caption>
        <thead>
        <tr>
            <th>照片</th>
            <th>商品</th>
            <th>描述</th>
            <th>价格</th>
            <th>操作</th>
        </tr>
        </thead>
        <tbody>
        <c:forEach items="${carList}" var="car">
            <tr>
                <td><img src="${pageContext.request.contextPath}/${productMap[car.id].pictureUrl}" alt=""
                         class="img-circle" style="max-width: 30px;"></td>
                <td>${productMap[car.id].name}</td>
                <td>${productMap[car.id].description}</td>
                <td>${productMap[car.id].price}</td>
                <td>
                    <button href="${pageContext.request.contextPath}/car/delete/${car.id}" type="button"
                            class="btn btn-danger delete">
                        删除
                    </button>
                    <button onclick="buy(${car.id})" type="button" class="btn btn-success">
                        单独结算
                    </button>
                </td>
            </tr>
        </c:forEach>

        </tbody>
    </table>
    <div style="display: flex; justify-content: flex-end; align-items: center; border-top:1px solid #333333">
        <div style="color: red; font-size: 40px">总计：${totalPrice}</div>
        <div style="margin: 0 200px 0 20px;">
            <button type="button" class="btn btn-primary" onclick="buy(0)">结算</button>
        </div>
    </div>
</div>
<!-- Jquery -->
<script src="${pageContext.request.contextPath}/static/js/jquery-1.11.1.min.js"></script>

<!-- Bootstrap -->
<script src="${pageContext.request.contextPath}/static/js/bootstrap.min.js"></script>
<script type="application/javascript">
    function buy(carId) {
        $.ajax({
            url: "${pageContext.request.contextPath}/order/add/${user.id}/" + carId,
            success: function (data) {
                if(data !== 0){
                    window.location = "${pageContext.request.contextPath}/order/" + data + "/${user.id}";
                    return false;
                }
                alert("fail");
            },
            error: function (err) {
                console.log(err);
                alert("服务器异常！");
            }
        })
    };
    $(function () {
        let token = sessionStorage.getItem("token") || null;
        // 验证是否存在token，没有则返回登陆
        if (token == null) {
            alert("请先登陆！");
            window.location = "${pageContext.request.contextPath}/login";
            return false;
        }
        document.getElementById("backProduct").href = "${pageContext.request.contextPath}/product?token=" + token;
        $(‘.delete‘).click(function (e) {
            let url = e.toElement.getAttribute("href");
            $.ajax({
                type: "get",
                url: url,
                success: function (data) {
                    if (data === "ok") {
                        alert("删除成功！");
                        document.location.reload();
                        return false;
                    }
                    alert("删除失败，请刷新重试！")
                },
                error: function (err) {
                    console.log(err);
                    alert("服务器故障！")
                }
            })
        });
        $("#logout").click(function () {
            sessionStorage.removeItem("token");
            window.location = "${pageContext.request.contextPath}/login"
        });
    })
</script>
</body>
</html>

订单的

<%--
  Created by IntelliJ IDEA.
  User: yangshixiong
  Date: 2020/1/29
  Time: 上午10:46
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title>${user.username}的订单</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="yang">

    <!-- Bootstrap core CSS -->
    <link href="${pageContext.request.contextPath}/static/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">杨的购物广场</a>
        </div>
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="${pageContext.request.contextPath}/">回欢迎页</a></li>
                <li><a href="#" id="backProduct">返回商品列表</a></li>

            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="${pageContext.request.contextPath}/car/${user.id}">购物车</a></li>
                <li class="dropdown">
                    <img src="${pageContext.request.contextPath}/${user.avatarUrl}" alt=""
                         style="    max-width: 30px; display: inline-block;">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false" style="display: inline-block; padding-left: 3px;">${user.username}<span
                            class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="${pageContext.request.contextPath}/userinfo/${user.id}">个人信息</a></li>
                        <li><a href="${pageContext.request.contextPath}/order/list/${user.id}">查看订单</a></li>
                        <li id="logout"><a>退出</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div>
    <table class="table table-hover">
        <caption>${user.username}的购物车</caption>
        <thead>
        <tr>
            <th>照片</th>
            <th>商品</th>
            <th>描述</th>
            <th>价格</th>
        </tr>
        </thead>
        <tbody>
        <c:forEach items="${orderDetails}" var="orderDetail">
            <tr>
                <td><img src="${pageContext.request.contextPath}/${productMap[orderDetail.id].pictureUrl}" alt=""
                         class="img-circle" style="max-width: 30px;"></td>
                <td>${productMap[orderDetail.id].name}</td>
                <td>${productMap[orderDetail.id].description}</td>
                <td>${productMap[orderDetail.id].price}</td>
            </tr>
        </c:forEach>
        </tbody>
    </table>
    <div style="display: flex; justify-content: flex-end; align-items: center; border-top:1px solid #333333">
        <div style="color: red; font-size: 40px">总计：${order.price}</div>
        <c:if test="${order.status == ‘未付款‘}">
            <div style="margin: 0 200px 0 20px;">
                <button type="button" class="btn btn-primary" id="pay">去付款</button>
            </div>
        </c:if>
        <c:if test="${order.status == ‘已付款‘}">
            <div style="margin: 0 200px 0 20px;">
                已付款完成
            </div>
        </c:if>


    </div>
</div>

<!-- Jquery -->
<script src="${pageContext.request.contextPath}/static/js/jquery-1.11.1.min.js"></script>

<!-- Bootstrap -->
<script src="${pageContext.request.contextPath}/static/js/bootstrap.min.js"></script>
<script type="application/javascript">
    $(function () {
        let token = sessionStorage.getItem("token") || null;
        // 验证是否存在token，没有则返回登陆
        if (token == null) {
            alert("请先登陆！");
            window.location = "${pageContext.request.contextPath}/login";
            return false;
        }
        document.getElementById("backProduct").href = "${pageContext.request.contextPath}/product?token=" + token;
        $("#logout").click(function () {
            sessionStorage.removeItem("token");
            window.location = "${pageContext.request.contextPath}/login"
        });
        $("#pay").click(function () {
            $.ajax({
                url: "${pageContext.request.contextPath}/order/update/${order.id}",
                success: function (data) {
                    if(data === "ok"){
                        alert("付款成功！")
                        window.location.reload();
                        return false;
                    }
                    alert("付款失败，请刷新重试！")
                },
                error: function (err) {
                    console.log(err);
                    alert("服务器异常！")
                }
            })
        })
    })
</script>
</body>
</html>

个人全部订单

<%--
  Created by IntelliJ IDEA.
  User: yangshixiong
  Date: 2020/1/29
  Time: 下午11:10
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
    <title>${user.username}的订单</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="yang">

    <!-- Bootstrap core CSS -->
    <link href="${pageContext.request.contextPath}/static/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">杨的购物广场</a>
        </div>
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="${pageContext.request.contextPath}/">回欢迎页</a></li>
                <li><a href="#" id="backProduct">返回商品列表</a></li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="${pageContext.request.contextPath}/car/${user.id}">购物车</a></li>
                <li class="dropdown">
                    <img src="${pageContext.request.contextPath}/${user.avatarUrl}" alt=""
                         style="    max-width: 30px; display: inline-block;">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true"
                       aria-expanded="false" style="display: inline-block; padding-left: 3px;">${user.username}<span
                            class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="${pageContext.request.contextPath}/userinfo/${user.id}">个人信息</a></li>
                        <li><a href="${pageContext.request.contextPath}/order/list/${user.id}">查看订单</a></li>
                        <li id="logout"><a>退出</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>

<c:forEach items="${orderList}" var="order">
    <table class="table table-hover">
        <caption>订单号：${order.id}</caption>
        <thead>
        <tr>
            <th>照片</th>
            <th>商品</th>
            <th>描述</th>
            <th>价格</th>
        </tr>
        </thead>
        <tbody>
        <c:forEach items="${orderMap[order.id]}" var="orderDetail">
            <tr>
                <td><img src="${pageContext.request.contextPath}/${productMap[orderDetail.productId].pictureUrl}" alt=""
                         class="img-circle" style="max-width: 30px;"></td>
                <td>${productMap[orderDetail.productId].name}</td>
                <td>${productMap[orderDetail.productId].description}</td>
                <td>${orderDetail.price}</td>
            </tr>
        </c:forEach>
        </tbody>
    </table>
    <div style="display: flex; justify-content: flex-end; align-items: center; border-top:1px solid #333333; height: 40px">
        <div style="color: red; font-size: 20px">总计：${order.price}</div>
        <c:if test="${order.status == ‘未付款‘}">
            <div style="margin: 0 100px 0 20px;">
                <button type="button" class="btn btn-primary" id="pay">去付款</button>
            </div>
        </c:if>
        <c:if test="${order.status == ‘已付款‘}">
            <div style="margin: 0 100px 0 20px;">
                已付款完成
            </div>
        </c:if>


    </div>
</c:forEach>


<!-- Jquery -->
<script src="${pageContext.request.contextPath}/static/js/jquery-1.11.1.min.js"></script>

<!-- Bootstrap -->
<script src="${pageContext.request.contextPath}/static/js/bootstrap.min.js"></script>
<script type="application/javascript">
    $(function () {
        let token = sessionStorage.getItem("token") || null;
        // 验证是否存在token，没有则返回登陆
        if (token == null) {
            alert("请先登陆！");
            window.location = "${pageContext.request.contextPath}/login";
            return false;
        }
        document.getElementById("backProduct").href = "${pageContext.request.contextPath}/product?token=" + token;
        $("#logout").click(function () {
            sessionStorage.removeItem("token");
            window.location = "${pageContext.request.contextPath}/login"
        });


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

这个入门的小项目基本完成，对springMVC基本操作有了一些简单认知，接下来开始学习mybatis。

这个小项目的源码在：GitHub

 

spring项目篇15 --- 商城小项目创建订单以及查看所有订单

标签：源码   message   ons   cat   storage   only   获取   utf-8   justify   

原文地址：https://www.cnblogs.com/yangshixiong/p/12241871.html
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