Java毕业设计实战项目之宠物商城系统的实现流程

一、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。

后台相关接口:

/**
* 后台相关接口
*/
@Controller
@RequestMapping("/admin")
public class AdminController {

private static final int rows = 10;

@Autowired
private AdminService adminService;
@Autowired
private OrderService orderService;
@Autowired
private UserService userService;
@Autowired
private GoodService goodService;
@Autowired
private TopService topService;
@Autowired
private TypeService typeService;

/**
* 管理员登录
* @return
*/
@RequestMapping("/login")
public String login(Admins admin, HttpServletRequest request, HttpSession session) {
if (adminService.checkUser(admin.getUsername(), admin.getPassword())) {
session.setAttribute("username", admin.getUsername());
return "redirect:index";
}
request.setAttribute("msg", "用户名或密码错误!");
return "/admin/login.jsp";
}

/**
* 退出
* @return
*/
@RequestMapping("/logout")
public String logout(HttpSession session) {
session.removeAttribute("admin");
return "/admin/login.jsp";
}

/**
* 后台首页
* @return
*/
@RequestMapping("/index")
public String index(HttpServletRequest request) {
request.setAttribute("msg", "恭喜你! 登录成功了");
return "/admin/index.jsp";
}

/**
* 订单列表
*
* @return
*/
@RequestMapping("/orderList")
public String orderList(@RequestParam(required=false, defaultValue="0")byte status, HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
request.setAttribute("flag", 1);
request.setAttribute("status", status);
request.setAttribute("orderList", orderService.getList(status, page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, orderService.getTotal(status), page, rows));
return "/admin/order_list.jsp";
}

/**
* 订单发货
*
* @return
*/
@RequestMapping("/orderDispose")
public String orderDispose(int id, byte status,
@RequestParam(required=false, defaultValue="1") int page) {
orderService.dispose(id);
return "redirect:orderList?flag=1&status="+status+"&page="+page;
}

/**
* 订单完成
*
* @return
*/
@RequestMapping("/orderFinish")
public String orderFinish(int id, byte status,
@RequestParam(required=false, defaultValue="1") int page) {
orderService.finish(id);
return "redirect:orderList?flag=1&status="+status+"&page="+page;
}

/**
* 订单删除
*
* @return
*/
@RequestMapping("/orderDelete")
public String orderDelete(int id, byte status,
@RequestParam(required=false, defaultValue="1") int page) {
orderService.delete(id);
return "redirect:orderList?flag=1&status="+status+"&page="+page;
}

/**
* 顾客管理
*
* @return
*/
@RequestMapping("/userList")
public String userList(HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
request.setAttribute("flag", 2);
request.setAttribute("userList", userService.getList(page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, userService.getTotal(), page, rows));
return "/admin/user_list.jsp";
}

/**
* 顾客添加
*
* @return
*/
@RequestMapping("/userAdd")
public String userAdd(HttpServletRequest request) {
request.setAttribute("flag", 2);
return "/admin/user_add.jsp";
}

/**
* 顾客添加
*
* @return
*/
@RequestMapping("/userSave")
public String userSave(Users user, HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
if (userService.isExist(user.getUsername())) {
request.setAttribute("msg", "用户名已存在!");
return "/admin/user_add.jsp";
}
userService.add(user);
return "redirect:userList?flag=2&page="+page;
}

/**
* 顾客密码重置页面
*
* @return
*/
@RequestMapping("/userRe")
public String userRe(int id, HttpServletRequest request) {
request.setAttribute("flag", 2);
request.setAttribute("user", userService.get(id));
return "/admin/user_reset.jsp";
}

/**
* 顾客密码重置
*
* @return
*/
@RequestMapping("/userReset")
public String userReset(Users user,
@RequestParam(required=false, defaultValue="1") int page) {
String password = SafeUtil.encode(user.getPassword());
user = userService.get(user.getId());
user.setPassword(password);
userService.update(user);
return "redirect:userList?flag=2&page="+page;
}

/**
* 顾客更新
*
* @return
*/
@RequestMapping("/userEdit")
public String userEdit(int id, HttpServletRequest request) {
request.setAttribute("flag", 2);
request.setAttribute("user", userService.get(id));
return "/admin/user_edit.jsp";
}

/**
* 顾客更新
*
* @return
*/
@RequestMapping("/userUpdate")
public String userUpdate(Users user,
@RequestParam(required=false, defaultValue="1") int page) {
userService.update(user);
return "redirect:userList?flag=2&page="+page;
}

/**
* 顾客删除
*
* @return
*/
@RequestMapping("/userDelete")
public String userDelete(Users user,
@RequestParam(required=false, defaultValue="1") int page) {
userService.delete(user);
return "redirect:userList?flag=2&page="+page;
}

/**
* 产品列表
*
* @return
*/
@RequestMapping("/goodList")
public String goodList(@RequestParam(required=false, defaultValue="0")byte status, HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
request.setAttribute("flag", 3);
request.setAttribute("page", page);
request.setAttribute("status", status);
request.setAttribute("goodList", goodService.getList(status, page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, goodService.getTotal(status), page, rows));
return "/admin/good_list.jsp";
}

/**
* 产品添加
*
* @return
*/
@RequestMapping("/goodAdd")
public String goodAdd(HttpServletRequest request) {
request.setAttribute("flag", 3);
request.setAttribute("typeList", typeService.getList());
return "/admin/good_add.jsp";
}

/**
* 产品添加
*
* @return
* @throws Exception
*/
@RequestMapping("/goodSave")
public String goodSave(String name, int price, String intro, int stock, int typeId,
MultipartFile cover, MultipartFile image1, MultipartFile image2,
@RequestParam(required=false, defaultValue="1") int page) throws Exception {
Goods good = new Goods();
good.setName(name);
good.setPrice(price);
good.setIntro(intro);
good.setStock(stock);
good.setTypeId(typeId);
good.setCover(UploadUtil.fileUpload(cover));
good.setImage1(UploadUtil.fileUpload(image1));
good.setImage2(UploadUtil.fileUpload(image2));
goodService.add(good);
return "redirect:goodList?flag=3&page="+page;
}

/**
* 产品更新
*
* @return
*/
@RequestMapping("/goodEdit")
public String goodEdit(int id, HttpServletRequest request) {
request.setAttribute("flag", 3);
request.setAttribute("typeList", typeService.getList());
request.setAttribute("good", goodService.get(id));
return "/admin/good_edit.jsp";
}

/**
* 产品更新
*
* @return
* @throws Exception
*/
@RequestMapping("/goodUpdate")
public String goodUpdate(int id, String name, int price, String intro, int stock, int typeId,  
MultipartFile cover, MultipartFile image1, MultipartFile image2,
@RequestParam(required=false, defaultValue="1") int page) throws Exception {
Goods good = goodService.get(id);
good.setName(name);
good.setPrice(price);
good.setIntro(intro);
good.setStock(stock);
good.setTypeId(typeId);
if (Objects.nonNull(cover) && !cover.isEmpty()) {
good.setCover(UploadUtil.fileUpload(cover));
}
if (Objects.nonNull(image1) && !image1.isEmpty()) {
good.setImage1(UploadUtil.fileUpload(image1));
}
if (Objects.nonNull(image2) && !image2.isEmpty()) {
good.setImage2(UploadUtil.fileUpload(image2));
}
goodService.update(good);
return "redirect:goodList?flag=3&page="+page;
}

/**
* 产品删除
*
* @return
*/
@RequestMapping("/goodDelete")
public String goodDelete(int id,
@RequestParam(required=false, defaultValue="1") int page) {
goodService.delete(id);
return "redirect:goodList?flag=3&page="+page;
}

/**
* 添加推荐
* @return
*/
@RequestMapping("/topSave")
public @ResponseBody String topSave(Tops tops,
@RequestParam(required=false, defaultValue="0")byte status,
@RequestParam(required=false, defaultValue="1") int page) {
int id = topService.add(tops);
return id > 0 ? "ok" : null;
}

/**
* 删除推荐
* @return
*/
@RequestMapping("/topDelete")
public @ResponseBody String topDelete(Tops tops,
@RequestParam(required=false, defaultValue="0")byte status,
@RequestParam(required=false, defaultValue="1") int page) {
boolean flag = topService.delete(tops);
return flag ? "ok" : null;
}

/**
* 类目列表
*
* @return
*/
@RequestMapping("/typeList")
public String typeList(HttpServletRequest request) {
request.setAttribute("flag", 4);
request.setAttribute("typeList", typeService.getList());
return "/admin/type_list.jsp";
}

/**
* 类目添加
*
* @return
*/
@RequestMapping("/typeSave")
public String typeSave(Types type,
@RequestParam(required=false, defaultValue="1") int page) {
typeService.add(type);
return "redirect:typeList?flag=4&page="+page;
}

/**
* 类目更新
*
* @return
*/
@RequestMapping("/typeEdit")
public String typeUp(int id, HttpServletRequest request) {
request.setAttribute("flag", 4);
request.setAttribute("type", typeService.get(id));
return "/admin/type_edit.jsp";
}

/**
* 类目更新
*
* @return
*/
@RequestMapping("/typeUpdate")
public String typeUpdate(Types type,
@RequestParam(required=false, defaultValue="1") int page) {
typeService.update(type);
return "redirect:typeList?flag=4&page="+page;
}

/**
* 类目删除
*
* @return
*/
@RequestMapping("/typeDelete")
public String typeDelete(Types type,
@RequestParam(required=false, defaultValue="1") int page) {
typeService.delete(type);
return "redirect:typeList?flag=4&page="+page;
}

/**
* 管理员列表
*
* @return
*/
@RequestMapping("/adminList")
public String adminList(HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
request.setAttribute("flag", 5);
request.setAttribute("adminList", adminService.getList(page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, adminService.getTotal(), page, rows));
return "/admin/admin_list.jsp";
}

/**
* 管理员修改自己密码
*
* @return
*/
@RequestMapping("/adminRe")
public String adminRe(HttpServletRequest request, HttpSession session) {
request.setAttribute("flag", 5);
request.setAttribute("admin", adminService.getByUsername(String.valueOf(session.getAttribute("username"))));
return "/admin/admin_reset.jsp";
}

/**
* 管理员修改自己密码
*
* @return
*/
@RequestMapping("/adminReset")
public String adminReset(Admins admin, HttpServletRequest request) {
request.setAttribute("flag", 5);
if (adminService.get(admin.getId()).getPassword().equals(SafeUtil.encode(admin.getPassword()))) {
admin.setPassword(SafeUtil.encode(admin.getPasswordNew()));
adminService.update(admin);
request.setAttribute("admin", admin);
request.setAttribute("msg", "修改成功!");
}else {
request.setAttribute("msg", "原密码错误!");
}
return "/admin/admin_reset.jsp";
}

/**
* 管理员添加
*
* @return
*/
@RequestMapping("/adminSave")
public String adminSave(Admins admin, HttpServletRequest request,
@RequestParam(required=false, defaultValue="1") int page) {
if (adminService.isExist(admin.getUsername())) {
request.setAttribute("msg", "用户名已存在!");
return "/admin/admin_add.jsp";
}
adminService.add(admin);
return "redirect:adminList?flag=5&page="+page;
}

/**
* 管理员修改
*
* @return
*/
@RequestMapping("/adminEdit")
public String adminEdit(int id, HttpServletRequest request) {
request.setAttribute("flag", 5);
request.setAttribute("admin", adminService.get(id));
return "/admin/admin_edit.jsp";
}

/**
* 管理员更新
*
* @return
*/
@RequestMapping("/adminUpdate")
public String adminUpdate(Admins admin,
@RequestParam(required=false, defaultValue="1") int page) {
admin.setPassword(SafeUtil.encode(admin.getPassword()));
adminService.update(admin);
return "redirect:adminList?flag=5&page="+page;
}

/**
* 管理员删除
*
* @return
*/
@RequestMapping("/adminDelete")
public String adminDelete(Admins admin,
@RequestParam(required=false, defaultValue="1") int page) {
adminService.delete(admin);
return "redirect:adminList?flag=5&page="+page;
}

}

用户相关接口: 

/**
* 用户相关接口
*/
@Controller
@RequestMapping("/index")
public class UserController{

private static final String INDENT_KEY = "order";

@Resource
private UserService userService;
@Resource
private OrderService orderService;
@Resource
private GoodService goodService;
@Resource
private TypeService typeService;

/**
* 注册用户
* @return
*/
@RequestMapping("/register")
public String register(@RequestParam(required=false, defaultValue="0")int flag, Users user, Model model){
model.addAttribute("typeList", typeService.getList());
if(flag==-1) {
model.addAttribute("flag", 5); // 注册页面
return "/index/register.jsp";
}
if (user.getUsername().isEmpty()) {
model.addAttribute("msg", "用户名不能为空!");
return "/index/register.jsp";
}else if (userService.isExist(user.getUsername())) {
model.addAttribute("msg", "用户名已存在!");
return "/index/register.jsp";
}else {
String password = user.getPassword();
userService.add(user);
user.setPassword(password);
return "redirect:login?flag=-1"; // 注册成功后转去登录
}
}

/**
* 用户登录
* @return
*/
@RequestMapping("/login")
public String login(@RequestParam(required=false, defaultValue="0")int flag, Users user, HttpSession session, Model model) {
model.addAttribute("typeList", typeService.getList());
if(flag==-1) {
flag = 6; // 登录页面
return "/index/login.jsp";
}
if(userService.checkUser(user.getUsername(), user.getPassword())){
session.setAttribute("user", userService.get(user.getUsername()));
return "redirect:index";
} else {
model.addAttribute("msg", "用户名或密码错误!");
return "/index/login.jsp";
}
}

/**
* 注销登录
* @return
*/
@RequestMapping("/logout")
public String logout(HttpSession session) {
session.removeAttribute("user");
session.removeAttribute("order");
return "/index/login.jsp";
}

/**
* 查看购物车
* @return
*/
@RequestMapping("/cart")
public String cart(Model model) {
model.addAttribute("typeList", typeService.getList());
return "/index/cart.jsp";
}

/**
* 购买
* @return
*/
@RequestMapping("/buy")
public @ResponseBody String buy(int goodid, HttpSession session){
Goods goods = goodService.get(goodid);
if (goods .getStock() <= 0) { // 库存不足
return "empty";
}
Orders order = (Orders) session.getAttribute(INDENT_KEY);
if (order==null) {
session.setAttribute(INDENT_KEY, orderService.add(goods));
}else {
session.setAttribute(INDENT_KEY, orderService.addOrderItem(order, goods));
}
return "ok";
}

/**
* 减少
*/
@RequestMapping("/lessen")
public @ResponseBody String lessen(int goodid, HttpSession session){
Orders order = (Orders) session.getAttribute(INDENT_KEY);
if (order != null) {
session.setAttribute(INDENT_KEY, orderService.lessenIndentItem(order, goodService.get(goodid)));
}
return "ok";
}

/**
* 删除
*/
@RequestMapping("/delete")
public @ResponseBody String delete(int goodid, HttpSession session){
Orders order = (Orders) session.getAttribute(INDENT_KEY);
if (order != null) {
session.setAttribute(INDENT_KEY, orderService.deleteIndentItem(order, goodService.get(goodid)));
}
return "ok";
}

/**
* 提交订单
* @return
*/
@RequestMapping("/save")
public String save(ServletRequest request, HttpSession session, Model model){
model.addAttribute("typeList", typeService.getList());
Users user = (Users) session.getAttribute("user");
if (user == null) {
request.setAttribute("msg", "请登录后提交订单!");
return "/index/login.jsp";
}
Orders sessionOrder = (Orders) session.getAttribute(INDENT_KEY);
if (sessionOrder != null) {
if (sessionOrder != null) {
for(Items item : sessionOrder.getItemList()){ // 检测商品库存(防止库存不足)
Goods product = goodService.get(item.getGoodId());
if(item.getAmount() > product.getStock()){
request.setAttribute("msg", "商品 ["+product.getName()+"] 库存不足! 当前库存数量: "+product.getStock());
return "/index/cart.jsp";
}
}
}
sessionOrder.setUserId(user.getId());
sessionOrder.setUser(userService.get(user.getId()));
int orderid = orderService.save(sessionOrder);// 保存订单
session.removeAttribute(INDENT_KEY);// 清除购物车
return "redirect:topay?orderid="+orderid;
}
request.setAttribute("msg", "处理失败!");
return "/index/cart.jsp";
}

/**
* 支付页面
* @return
*/
@RequestMapping("/topay")
public String topay(int orderid, ServletRequest request, Model model) {
model.addAttribute("typeList", typeService.getList());
request.setAttribute("order", orderService.get(orderid));
return "/index/pay.jsp";
}

/**
* 支付(模拟)
* @return
*/
@RequestMapping("/pay")
public String pay(Orders order, Model model) {
model.addAttribute("typeList", typeService.getList());
orderService.pay(order);
return "redirect:payok?orderid="+order.getId();
}

/**
* 支付成功
* @return
*/
@RequestMapping("/payok")
public String payok(int orderid, ServletRequest request, Model model) {
model.addAttribute("typeList", typeService.getList());
Orders order = orderService.get(orderid);
int paytype = order.getPaytype();
if(paytype == Orders.PAYTYPE_WECHAT || paytype == Orders.PAYTYPE_ALIPAY) {
request.setAttribute("msg", "订单["+orderid+"]支付成功");
}else {
request.setAttribute("msg", "订单["+orderid+"]货到付款");
}
return "/index/payok.jsp";
}

/**
* 查看订单
* @return
*/
@RequestMapping("/order")
public String order(HttpSession session, Model model){
model.addAttribute("flag", 3);
model.addAttribute("typeList", typeService.getList());
Users user = (Users) session.getAttribute("user");
if (user == null) {
model.addAttribute("msg", "请登录后查看订单!");
return "/index/login.jsp";
}
List<Orders> orderList = orderService.getListByUserid(user.getId());
if (orderList!=null && !orderList.isEmpty()) {
for(Orders order : orderList){
order.setItemList(orderService.getItemList(order.getId()));
}
}
model.addAttribute("orderList", orderList);
return "/index/order.jsp";
}

/**
* 个人信息
* @return
*/
@RequestMapping("/my")
public String my(Users user, HttpSession session, Model model){
model.addAttribute("flag", 4);
model.addAttribute("typeList", typeService.getList());
Users userLogin = (Users) session.getAttribute("user");
if (userLogin == null) {
model.addAttribute("msg", "请先登录!");
return "/index/login.jsp";
}
// 进入个人中心
if (Objects.isNull(user) || Objects.isNull(user.getId())) {
return "/index/my.jsp";
}
Users u = userService.get(user.getId());
// 修改资料
u.setName(user.getName());
u.setPhone(user.getPhone());
u.setAddress(user.getAddress());
userService.update(u);  // 更新数据库
session.setAttribute("user", u); // 更新session
model.addAttribute("msg", "信息修改成功!");
// 修改密码
if(user.getPasswordNew()!=null && !user.getPasswordNew().trim().isEmpty()) {
if (user.getPassword()!=null && !user.getPassword().trim().isEmpty()
&& SafeUtil.encode(user.getPassword()).equals(u.getPassword())) {
if (user.getPasswordNew()!=null && !user.getPasswordNew().trim().isEmpty()) {
u.setPassword(SafeUtil.encode(user.getPasswordNew()));
}
userService.update(u);  // 更新数据库
session.setAttribute("user", u); // 更新session
model.addAttribute("msg", "密码修改成功!");
}else {
model.addAttribute("msg", "原密码错误!");
}
}
return "/index/my.jsp";
}

}

前台相关接口:

/**
* 前台相关接口
*/
@Controller
@RequestMapping("/index")
public class IndexController{

private static final int rows = 16; // 默认每页数量

@Autowired
private TopService topService;
@Autowired
private GoodService goodService;
@Autowired
private TypeService typeService;

/**
* 首页
* @return
*/
@RequestMapping("/index")
public String index(HttpServletRequest request){
request.setAttribute("flag", 1);
request.setAttribute("typeList", typeService.getList());
request.setAttribute("top1List", topService.getList(Tops.TYPE_SCROLL, 1, 1));
request.setAttribute("top2List", topService.getList(Tops.TYPE_LARGE, 1, 6));
request.setAttribute("top3List", topService.getList(Tops.TYPE_SMALL, 1, 8));
return "/index/index.jsp";
}

/**
* 推荐列表
* @return
*/
@RequestMapping("/top")
public String tops(int typeid, @RequestParam(required=false, defaultValue="1")int page, HttpServletRequest request) {
request.setAttribute("flag", typeid==2 ? 7 : 8);
request.setAttribute("typeList", typeService.getList());
request.setAttribute("goodList", goodService.getList(typeid, page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, goodService.getTotal(typeid), page, rows));
return "/index/goods.jsp";
}

/**
* 商品列表
* @return
*/
@RequestMapping("/goods")
public String goods(int typeid, @RequestParam(required=false, defaultValue="1")int page, HttpServletRequest request){
request.setAttribute("flag", 2);
if (typeid > 0) {
request.setAttribute("type", typeService.get(typeid));
}
request.setAttribute("typeList", typeService.getList());
request.setAttribute("goodList", goodService.getListByType(typeid, page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, goodService.getTotalByType(typeid), page, rows));
return "/index/goods.jsp";
}

/**
* 商品详情
* @return
*/
@RequestMapping("/detail")
public String detail(int goodid, HttpServletRequest request){
request.setAttribute("good", goodService.get(goodid));
request.setAttribute("typeList", typeService.getList());
return "/index/detail.jsp";
}

/**
* 搜索
* @return
*/
@RequestMapping("/search")
public String search(String name, @RequestParam(required=false, defaultValue="1")int page, HttpServletRequest request) {
if (Objects.nonNull(name) && !name.trim().isEmpty()) {
request.setAttribute("goodList", goodService.getListByName(name, page, rows));
request.setAttribute("pageTool", PageUtil.getPageTool(request, goodService.getTotalByName(name), page, rows));
}
request.setAttribute("typeList", typeService.getList());
return "/index/goods.jsp";
}

}

来源：https://blog.csdn.net/pastclouds/article/details/122359204