Java实战花店商城系统的实现流程

一、项目简述

本系统功能包括：

商品的分类展示，用户的注册登录，购物车，订单结算，购物车加减，后台商品管理，分类管理，订单管理等等功能。

二、项目运行

环境配置：

jdk1.8 + tomcat8.5 + mysql + hbuilderx（webstorm也行）+ eclispe（intellij idea,eclispe,myeclispe,sts都支持）。

项目技术：

springboot + maven + mybatis+ vue 等等组成，b/s模式 + maven管理等等。

用户管理控制层：

/**
 * 用户
 **/
@restcontroller
@requestmapping("user")
public class usercontroller {
    @autowired
    userservice userservice;
    @autowired
    userdao dao;
 
    @requestmapping("/test")
    r test() {
        r r = new r();
        return r.setcode(4000).setmsg(constant.img_path).setdata(dao.findall());
    }
 
    @requestmapping("/queryinfobyaccount")
    r queryinfobyaccount(@requestparam("account") string account) {
        r r = new r();
        if (stringutil.isempty(account)){
            return r.setcode(4000).setmsg(httpmsg.invalid_param);
        }
        user loginuser = userservice.queryinfo(account);
        if (loginuser == null){
            return r.setcode(4000).setmsg(httpmsg.invalid_user);
        }
        return r.setcode(2000).setdata(loginuser);
    }
 
 
    @requestmapping("/find")
    r find(@requestparam("page") int page, @requestparam("searchkey") string searchkey) {
        r r = new r();
        map<string, object> map = new hashmap<>();
        list<user> users = userservice.find(searchkey);
        if (users == null) {
            return r.setcode(2000);
        }
        list<user> items = users.size() >= page * constant.page_size ?
                users.sublist((page - 1) * constant.page_size, page * constant.page_size)
                : users.sublist((page - 1) * constant.page_size, users.size());
        int len = users.size() % constant.page_size == 0 ? users.size() / constant.page_size
                : (users.size() / constant.page_size + 1);
        map.put("items", items);
        map.put("len", len);
        return r.setcode(2000).setdata(map);
    }
 
 
    @requestmapping("/create")
    r create(@requestbody user user) {
        r r = new r();
        int ans = userservice.add(user);
        if (ans == 1) {
            return r.setcode(2000).setmsg(httpmsg.add_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.add_user_failed);
    }
 
    @requestmapping("/update")
    r update(@requestbody user user) {
        r r = new r();
        int ans = userservice.update(user);
        if (ans >= 0) {
            return r.setcode(2000).setmsg(httpmsg.update_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.update_user_failed);
    }
 
 
    @deletemapping("/delete")
    r delete(@requestparam("id") int id) {
        r r = new r();
        int ans = userservice.delete(id);
        if (ans == 1) {
            return r.setcode(2000).setmsg(httpmsg.delete_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.delete_user_failed);
    }
}
 

订单管理控制层：

/**
 * 用户
 **/
@restcontroller
@requestmapping("order")
public class ordercontroller {
    @autowired
    orderservice orderservice;
    @autowired
    userdao userdao;
    @autowired
    orderdao orderdao;
    @autowired
    flowersdao flowersdao;
 
    @requestmapping("/test")
    r test() {
        r r = new r();
        return r.setcode(4000).setmsg(constant.img_path).setdata(orderdao.findall(null));
    }
 
    @requestmapping("/querybyaccount")
    r querybyaccount(@requestparam("account") string account) {
        r r = new r();
        if (stringutil.isempty(account)) {
            return r.setcode(4000).setmsg(httpmsg.invalid_param);
        }
        list<order> orders = orderservice.querybyaccount(account);
        return r.setcode(2000).setdata(orders);
    }
 
    @requestmapping("/find")
    r find(@requestparam("page") int page, @requestparam("searchkey") string searchkey, @requestparam("account") string account) {
        r r = new r();
        map<string, object> map = new hashmap<>();
        list<order> orders = orderservice.find(searchkey, account);
        if (orders == null) {
            return r.setcode(2000);
        }
        map.put("items", orders);
        map.put("len", orders.size());
        return r.setcode(2000).setdata(map);
    }
 
    @requestmapping("/findall")
    r findall(@requestparam("page") int page, @requestparam("searchkey") string searchkey) {
        r r = new r();
        map<string, object> map = new hashmap<>();
        list<order> orders = orderservice.findall(searchkey);
        if (orders == null) {
            return r.setcode(2000);
        }
        list<order> items = orders.size() >= page * constant.page_size ?
                orders.sublist((page - 1) * constant.page_size, page * constant.page_size)
                : orders.sublist((page - 1) * constant.page_size, orders.size());
        int len = orders.size() % constant.page_size == 0 ? orders.size() / constant.page_size
                : (orders.size() / constant.page_size + 1);
        list<ordervo> vos = new arraylist<>();
        for (order item : items) {
            user user = userdao.querybyid(item.getuid());
            ordervo vo = new ordervo();
            vo.setaddress(user.getaddress()).setphone(user.getphone()).setusername(user.getname())
                    .setamount(item.getamount()).setflower(item.getflower()).setid(item.getid())
                    .setuid(item.getuid()).setorder_guid(item.getorder_guid()).setprice(item.getprice())
                    .setstate(item.getstate());
            vos.add(vo);
        }
        map.put("items", vos);
        map.put("len", len);
        return r.setcode(2000).setdata(map);
    }
 
    @requestmapping("/update")
    r update(@requestbody order order) {
        r r = new r();
        int ans = orderservice.update(order);
        if (ans >= 0) {
            return r.setcode(2000).setmsg(httpmsg.update_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.update_user_failed);
    }
 
    @requestmapping("/changestate")
    r changestate(@requestbody order order) {
        orderdao.changestate(order);
        return new r().setcode(2000).setmsg(httpmsg.update_order_ok);
    }
 
    @deletemapping("/delete")
    r delete(@requestparam("id") int id) {
        r r = new r();
        int ans = orderservice.delete(id);
        if (ans == 1) {
            return r.setcode(2000).setmsg(httpmsg.delete_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.delete_user_failed);
    }
}
 

购物车控制层：

/**
 * 用户
 **/
@restcontroller
@requestmapping("cart")
public class cartcontroller {
    @autowired
    cartservice cartservice;
    @autowired
    orderservice orderservice;
    @autowired
    cartdao dao;
    @autowired
    flowersdao flowersdao;
 
    @requestmapping("/test")
    r test() {
        r r = new r();
        return r.setcode(4000).setmsg(constant.img_path).setdata(dao.findall());
    }
 
    @requestmapping("/querybyaccount")
    r querybyaccount(@requestparam("account") string account) {
        r r = new r();
        if (stringutil.isempty(account)) {
            return r.setcode(4000).setmsg(httpmsg.invalid_param);
        }
        list<cart> carts = cartservice.querybyaccount(account);
        for (cart cart : carts) {
            float price = flowersdao.queryprice(cart.getfid());
            cart.setprice(cart.getamount() * price);
        }
        return r.setcode(2000).setdata(carts);
    }
 
 
    @requestmapping("/find")
    r find(@requestparam("page") int page, @requestparam("searchkey") string searchkey, @requestparam("account") string account) {
        r r = new r();
        map<string, object> map = new hashmap<>();
        list<cart> carts = cartservice.find(searchkey, account);
        if (carts == null) {
            return r.setcode(2000);
        }
        list<cart> items = carts.size() >= page * constant.page_size ?
                carts.sublist((page - 1) * constant.page_size, page * constant.page_size)
                : carts.sublist((page - 1) * constant.page_size, carts.size());
        int len = carts.size() % constant.page_size == 0 ? carts.size() / constant.page_size
                : (carts.size() / constant.page_size + 1);
        map.put("items", items);
        map.put("len", len);
        return r.setcode(2000).setdata(map);
    }
 
    @requestmapping("/buy")
    r buy(@requestparam("account") string account) {
        r r = new r();
        // 查该用户的购物车
        list<cart> carts = (list<cart>) querybyaccount(account).getdata();
        for (cart cart : carts) {
            // 增加订单数据
            orderservice.add(cart);
            // 删除购物车数据
            cartservice.delete(cart.getid());
        }
        return r.setcode(2000).setmsg(httpmsg.buy_ok);
    }
 
 
    @requestmapping("/create")
    r create(@requestbody cart cart) {
        r r = new r();
        int ans = cartservice.add(cart);
        if (ans == 1) {
            return r.setcode(2000).setmsg(httpmsg.add_cart_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.add_cart_failed);
    }
 
    @requestmapping("/update")
    r update(@requestbody cart cart) {
        r r = new r();
        int ans = cartservice.update(cart);
        if (ans >= 0) {
            return r.setcode(2000).setmsg(httpmsg.update_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.update_user_failed);
    }
 
 
    @deletemapping("/delete")
    r delete(@requestparam("id") int id) {
        r r = new r();
        int ans = cartservice.delete(id);
        if (ans == 1) {
            return r.setcode(2000).setmsg(httpmsg.delete_user_ok);
        }
        return r.setcode(4000).setmsg(httpmsg.delete_user_failed);
    }
}
 

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