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("ur")public class urcontroller {    @autowired    urrvice urrvice;    @autowired    urdao dao;     @requestmapping("/test")    r test() {        r r = new r();        return r国际商务礼仪.tcode(4000).tmsg(constant.img_path).tdata(dao.findall());    }     @requestmapping("/queryinfobyaccount")    r queryinfobyaccount(@requestparam("account") string account) {        r r = new r();        if (stringutil.impty(account)){            return r.tcode(4000).tmsg(httpmsg.invalid_param);        }        ur loginur = urrvice.queryinfo(account);        if (loginur == null){            return r.tcode(4000).tmsg(httpmsg.invalid_ur);        }        return r.tcode(2000).tdata(loginur);    }      @requestmapping("/find")    r find(@requestparam("page") int page, @requestparam("archkey") string archkey) {        r r = new r();        map<string, object> map = new hashmap<>();        list<ur> urs = urrvice.find(archkey);        if (urs == null) {            return r.tcode(2000);        }        list<ur> items = urs.size() >= page * constant.page_size ?                urs.sublist((page - 1) * constant.page_size, page * constant.page_size)                : urs.sublist((page - 1) * constant.page_size, urs.size());        int len = urs.size() % constant.page_size == 0 ? urs.size() / constant.page_size                : (urs.size() / constant.page_size + 1);        map.put("items", items);        map.put("len", len);        return r.tcode(2000).tdata(map);    }      @requestmapping("/create")    r create(@requestbody ur ur) {        r r = new r();        int ans = urrvice.add(ur);        if (ans == 1) {            return r.tcode(2000).tmsg(httpmsg.add_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.add_ur_failed);    }     @requestmapping("/update")    r update(@requestbody ur ur) {        r r = new r();        int ans = urrvice.update(ur);        if (ans >= 0) {            return r.tcode(2000).tmsg(httpmsg.update_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.update_ur_failed);    }      @deletemapping("/delete")    r delete(@requestparam("id") int id) {        r r = new r();        int ans = urrvice.delete(id);        if (ans == 1) {            return r.tcode(2000).tmsg(httpmsg.delete_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.delete_ur_failed);    }} 

订单管理控制层：

/** * 用户 **/@restcontroller@requestmapping("order")public class ordercontroller {    @autowired    orderrvice orderrvice;    @autowired    urdao urdao;    @autowired    orderdao orderdao;    @autowired    flowersdao flowersdao;     @requestmapping("/test")    r test() {        r r = new r();        return r.tcode(4000).tmsg(constant.img_path).tdata(orderdao.findall(null));    }     @requestmapping("/querybyaccount")    r querybyaccount(@requestparam("account") string account) {        r r = new r();        if (stringutil.impty(account)) {            return r.tcode(4000).tmsg(httpmsg.invalid_param);        }        list<order> orders = orderrvice.querybyaccount(account);        return r.tcode(2000).tdata(orders);    }     @requestmapping("/find")    r find(@requestparam("page") int page, @requestparam("archkey") string archkey, @requestparam("account") string account) {        r r = new r();        map<string, object> map = new hashmap<>();        list<order> orders = orderrvice.find(archkey, account);        if (orders == null) {            return r.tcode(2000);        }        map.put("items", orders);        map.put("len", orders.size());        return r.tcode(2000).tdata(map);    }     @requestmapping("/findall")    r findall(@requestparam("page") int page, @requestparam("archkey") string archkey) {        r r = new r();        map<string, object> map = new hashmap<>();        list<order> orders = orderrvice.findall(archkey);        if (orders == null) {            return r.tcode(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.si期中教学检查总结ze() / constant.page_size                : (orders.size() / constant.page_size + 1);        list<ordervo> vos = new arraylist<>();        for (order item : items) {            ur ur = urdao.querybyid(item.getuid());            ordervo vo = new ordervo();            vo.taddress(ur.getaddress()).tphone(ur.getphone()).turname(ur.getname())                    .tamount(item.getamount()).tflower(item.getflower()).tid(item.getid())                    .tuid(item.getuid()).torder_guid(item.getorder_guid()).tprice(it新民主主义时期em.getprice())                    .tstate(item.getstate());            vos.add(vo);        }        map.put("items", vos);        map.put("len", len);        return r.tcode(2000).tdata(map);    }     @requestmapping("/update")    r update(@requestbody order order) {        r r = new r();        int ans = orderrvice.update(order);        if (ans >= 0) {            return r.tcode(2000).tmsg(httpmsg.update_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.update_ur_failed);    }     @requestmapping("/changestate")    r changestate(@requestbody order order) {        orderdao.changestate(order);        return new r().tcode(2000).tmsg(httpmsg.update_order_ok);    }     @deletemapping("/delete")    r delete(@requestparam("id") int id) {        r r = new r();        int ans = orderrvice.delete(id);        if (ans == 1) {            return r.tcode(2000).tmsg(httpmsg.delete_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.delete_ur_failed);    }} 

购物车控制层：

/** * 用户 **/@restcontroller@requestmapping("cart")public class cartcontroller {    @autowired    cartrvice cartrvice;    @autowired    orderrvice orderrvice;    @autowired    cartdao dao;    @autowired    flowersdao flowersdao;     @requestmapping("/test")    r test() {        r r = new r();        return r.tcode(4000).tmsg(constant.img_path).tdata(dao.findall());    }     @requestmapping("/querybyaccount")    r querybyaccount(@requestparam("account") string account) {        r r = new r();        if (stringutil.impty(account)) {            return r.tcode(4000).tmsg(httpmsg.invalid_param);        }        list<cart> carts = cartrvice.querybyaccount(account);        for (cart cart : carts) {            float price = flowersdao.queryprice(cart.getfid());            cart.tprice(cart.getamount() * price);        }        return r.tcode(20理综卷00).tdata(carts);    }      @requestmapping("/find")    r find(@requestparam("page") int page, @requestparam("archkey") string archkey, @requestparam("ac台风命名怎么来的count") string account) {        r r = new r();        map<string, object> map = new hashmap<>();        list<cart> carts = cartrvice.find(archkey, account);        if (carts == null) {            return r.tcode(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.tcode(2000).tdata(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            orderrvice.add(cart);            // 删除购物车数据            cartrvice.delete(cart.getid());        }        return r.tcode(2000).tmsg(httpmsg.buy_ok);    }      @requestmapping("/create")    r create(@requestbody cart cart) {        r r = new r();        int ans = cartrvice.add(cart);        if (ans == 1) {            return r.tcode(2000).tmsg(httpmsg.add_cart_ok);        }        return r.tcode(4000).tmsg(httpmsg.add_cart_failed);    }     @requestmapping("/update")    r update(@requestbody cart cart) {        r r = new r();        int ans = cartrvice.update(cart);        if (ans >= 0) {            return r.tcode(2000).tmsg(httpmsg.update_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.update_ur_failed);    }      @deletemapping("/delete")    r delete(@requestparam("id") int id) {        r r = new r();        int ans = cartrvice.delete(id);        if (ans == 1) {            return r.tcode(2000).tmsg(httpmsg.delete_ur_ok);        }        return r.tcode(4000).tmsg(httpmsg.delete_ur_failed);    }} 

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