Java實戰花店商城系統的實現流程
一、項目簡述
本系統功能包括：
商品的分類展示，用戶的註冊登錄，購物車，訂單結算，購物車加減，後臺商品管理，分類管理，訂單管理等等功能。
二、項目運行
環境配置：
Jdk1.8 + Tomcat8.5 + Mysql + HBuilderX（Webstorm也行）+ Eclispe（IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持）。
項目技術：
Springboot + Maven + mybatis+ Vue 等等組成，B/S模式 + Maven管理等等。
用戶管理控制層：
/**
* 用戶
**/
@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);
}
}
訂單管理控制層：
/**
* 用戶
**/
@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);
}
}
購物車控制層：
/**
* 用戶
**/
@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();
// 查該用戶的購物車
List<Cart> carts = (List<Cart>) queryByAccount(account).getData();
for (Cart cart : carts) {
// 增加訂單數據
orderService.add(cart);
// 刪除購物車數據
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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