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开发工具：IDEA ,Tomcat8.0，数据库：mysql5.7

/*** FileName: CategoryController** Date:     2020/9/30 17:04* Description:*/
package com.qst.goldenarches.controller;import com.github.pagehelper.PageHelper;
import com.qst.goldenarches.pojo.Category;
import com.qst.goldenarches.pojo.Msg;
import com.qst.goldenarches.pojo.Product;
import com.qst.goldenarches.service.CategoryService;
import com.sun.org.apache.regexp.internal.RE;
import com.sun.org.apache.xml.internal.security.keys.keyresolver.implementations.PrivateKeyResolver;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;import java.util.HashMap;
import java.util.List;
import java.util.Map;@Controller
@RequestMapping("/category")
public class CategoryController {@Autowiredprivate CategoryService categoryService;/**** 商品类别：获取类别* 根据传入的商品类别id获取有商品的商品类别* @param categoryid* @return*/@ResponseBody@RequestMapping("getCategories")public Msg getHaveProductCategories(Integer[] categoryid){Map map = new HashMap();map.put("categoryids", categoryid);List categories =categoryService.getHaveProductCategories(map);return  Msg.success().add("categoryList",categories);}/**** 商品类别：批量删除商品类别* @param categoryid* @returns*/@ResponseBody@RequestMapping("deleteBatch")public Msg deleteBatch(Integer[] categoryid){try {Map map = new HashMap();map.put("categoryids", categoryid);if (!categoryService.deleteProducts(map)){return Msg.fail();}} catch (Exception e) {e.printStackTrace();return Msg.fail();}return Msg.success();}/*** 商品类别：执行单个删除商品类别* @param id* @return*/@ResponseBody@RequestMapping("deleteOne")public Msg deleteOne(Integer id){try {if(!categoryService.reomveCategory(id)){return Msg.fail();}}catch (Exception e){e.printStackTrace();return Msg.fail();}return Msg.success();}/*** 商品类别：执行商品信息修改方法* @param category* @return*/@ResponseBody@RequestMapping("doEdit")public Msg doEdit(Category category){try {if(!categoryService.editCategory(category)){return Msg.fail();}}catch (Exception e){e.printStackTrace();return Msg.fail();}return Msg.success();}/*** 商品类别：跳转方法* 跳转到商品类别修改界面* @return*/@RequestMapping("edit")public String toEdit(Category category, Model model){model.addAttribute("category", category);return "category/edit";}/*** 商品类别：添加商品类别* @param category* @return*/@ResponseBody@RequestMapping("doAdd")public Msg doAdd(Category category){Boolean flag =categoryService.addCategory(category);if (flag){return Msg.success().add("category",category);}return Msg.fail();}/**** 商品类别：跳转方法* 跳转到商品类别添加界面* @return*/@RequestMapping("add")public String toAdd(){return "category/add";}/*** 商品类别：分页查找* 查询全部商品类别并分页显示* @param pn 页码* @return json数据 Msg*/@ResponseBody@RequestMapping("pagedGetAll")public Msg pagedGetAll(@RequestParam(value = "pageno",defaultValue = "1") Integer pn, String queryText){PageHelper.startPage(pn,5);List categories =categoryService.getAll(queryText);com.github.pagehelper.PageInfo categoryPageInfo =new com.github.pagehelper.PageInfo(categories,5);return Msg.success().add("pageInfo",categoryPageInfo);}/*** 商品后台：跳转方法* 跳转至商品类别主页* @return*/@RequestMapping("index")public String toIndex(){return "category/index";}/**** 商品后台：获取全部商品类别* @return*/@ResponseBody@RequestMapping("/getAll")public Msg getAll(){List categories =categoryService.getAll(null);return Msg.success().add("categoryInfo",categories);}}

/*** FileName: AdminController** Date:     2020/10/6 17:59* Description: 管理员控制类*/
package com.qst.goldenarches.controller;
import com.github.pagehelper.PageHelper;
import com.qst.goldenarches.pojo.*;
import com.qst.goldenarches.service.AdminService;
import com.qst.goldenarches.service.PermissionService;
import com.qst.goldenarches.service.RoleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;import javax.servlet.http.HttpSession;
import java.text.SimpleDateFormat;
import java.util.*;@Controller
@RequestMapping("admin")
public class AdminController {@Autowiredprivate AdminService adminService;@Autowiredprivate RoleService roleService;@Autowiredprivate PermissionService permissionService;/*** 跳转到错误页面(权限不足)* @return*/@RequestMapping("error")public String error() {return "admin/error";}/*** 删除管理员的角色* @param adminId* @param assignRoleIds* @return*/@ResponseBody@RequestMapping("doUnAssign")public Object dounAssign( Integer adminId, Integer[] assignRoleIds ) {try {// 删除关系表数据Map map = new HashMap();map.put("adminId", adminId);map.put("roleIds", assignRoleIds);adminService.removeAdminRoles(map);return Msg.success();} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 为管理员分配角色* @param adminId* @param unassignRoleIds* @return*/@ResponseBody@RequestMapping("doAssign")public Object doAssign( Integer adminId, Integer[] unassignRoleIds ) {try {// 增加admin_role关系表数据Map map = new HashMap();map.put("adminId", adminId);map.put("roleIds", unassignRoleIds);adminService.addAdminRoles(map);return Msg.success();} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 页面跳转：* 跳转到管理员角色分配页面* 数据回显，显示已经分配的角色* 和没有分配的角色* @param id* @param model* @return*/@RequestMapping("/assign")public String assign( Integer id, Model model ) {Admin admin = adminService.getAdminById(id);model.addAttribute("admin", admin);List roles = roleService.getAllRoles(null);List assingedRoles = new ArrayList();List unassignRoles = new ArrayList();// 获取关系表的数据List roleids = adminService.getRoleIdsByAdminId(id);for ( Role role : roles ) {if ( roleids.contains(role.getId()) ) {assingedRoles.add(role);} else {unassignRoles.add(role);}}model.addAttribute("assingedRoles", assingedRoles);model.addAttribute("unassignRoles", unassignRoles);return "admin/assign";}/*** 根据id删除管理员* @param adminid* @return*/@ResponseBody@RequestMapping("/deletes")public Msg deletes( Integer[] adminid ) {try {if (adminid.length>0){Map map = new HashMap();map.put("adminids", adminid);adminService.removeAdmins(map);return Msg.success();}return  Msg.fail();} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 实现用户修改业务逻辑* @param admin* @return*/@ResponseBody@RequestMapping("/doEdit")public Msg update(HttpSession session, Admin admin ) {try {Admin sessionAdmin =(Admin) session.getAttribute("loginAdmin");if(sessionAdmin.getId()==admin.getId()){adminService.editAdmin(admin);session.setAttribute("loginAdmin",admin);return Msg.success();}return Msg.fail();} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 跳转到修改个人信息(admin)界面* @param model* @return*/@RequestMapping("/edit")public String edit(HttpSession session,Model model ) {Admin admin =(Admin) session.getAttribute("loginAdmin");model.addAttribute("admin",admin);return "admin/edit";}/*** 新增界面实现新增业务* @param admin* @return*/@ResponseBody@RequestMapping("doAdd")public Msg doAdd( Admin admin ) {try {if (adminService.validateAccountUnique(admin.getAccount())){admin.setPassword("1234");//默认密码SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");admin.setCreateTime(sdf.format(new Date()));adminService.addAdmin(admin);return Msg.success();}return Msg.fail();} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 检验用户账户唯一性* @param account* @return*/@RequestMapping("uniqueAcct")@ResponseBodypublic Msg validateAccountUnique(String account,HttpSession session){try {if(account!=null) {boolean flag = adminService.validateAccountUnique(account);if (flag){return Msg.success();}}return Msg.fail().add("va_msg","账户已存在");}catch (Exception e){e.printStackTrace();return Msg.fail().add("va_mag","服务异常,稍后重试");}}/*** 跳转到新增界面* @return*/@RequestMapping("add")public String toAdd(){return "admin/add";}/**** @param pn* @param pagesize* @param queryText* @return*/@ResponseBody@RequestMapping("/pageQuery")public Msg pageQuery( @RequestParam(value = "pageno",defaultValue = "1") Integer pn,@RequestParam(value = "pagesize",defaultValue = "10")Integer pagesize , String queryText) {try {PageHelper.startPage(pn,pagesize);List admins =adminService.getAllAdmin(queryText);com.github.pagehelper.PageInfo adminPageInfo =new com.github.pagehelper.PageInfo(admins,5);return Msg.success().add("pageInfo",adminPageInfo);} catch ( Exception e ) {e.printStackTrace();return Msg.fail();}}/*** 页面跳转* 管理员列表主界面* @return*/@RequestMapping("/index")public String index(){return "admin/index";}/**** 管理员退出* @param session* @return*/@RequestMapping("logout")public String logout(HttpSession session){session.invalidate();return "redirect:/admin/login";}/*** 跳转到登陆后的主页面，* 也是数据分析主页面* @return*/@RequestMapping("main")public String toMain(){return "admin/main";}/*** 执行管理员登陆* @param admin* @param session* @return*/@ResponseBody@RequestMapping("/doLogin")public Msg doLogin(Admin admin, HttpSession session){Admin dbAdmin =adminService.login(admin);if (dbAdmin!=null){session.setAttribute("loginAdmin",dbAdmin);// 获取用户权限信息List permissions = permissionService.getPermissionsByAdmin(dbAdmin);Map permissionMap = new HashMap();Permission root = null;Set uriSet = new HashSet();for ( Permission permission : permissions ) {permissionMap.put(permission.getId(), permission);if ( permission.getUrl() != null && !"".equals(permission.getUrl()) ) {uriSet.add(session.getServletContext().getContextPath() + permission.getUrl());}}session.setAttribute("authUriSet", uriSet);for ( Permission permission : permissions ) {Permission child = permission;if ( child.getPid() == 0 ) {root = permission;} else {Permission parent = permissionMap.get(child.getPid());parent.getChildren().add(child);}}session.setAttribute("rootPermission", root);return Msg.success();}else {return Msg.fail();}}/*** 跳转到登陆页面* @return*/@RequestMapping("login")public String toLogin(){return "admin/login";}
}