ADD file via upload

src/main/java/com/controller/DepartmentController.java

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+package com.controller;
+
+import com.entity.Department;
+import com.service.IDeptService;
+import com.utils.Page;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @ClassName DepartmentController
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/5/30 12:14
+ */
+@Controller
+public class DepartmentController {
+    @Autowired
+    private IDeptService deptService;
+
+    /***
+     * 跳转至部门列表界面
+     * @param page  结果的页数
+     * @return  部门列表页面
+     */
+    @RequestMapping("/toDepartment")
+    public ModelAndView toDepartment(Page page){
+       ModelAndView mv = new ModelAndView();
+       List<Department> departmentList = deptService.listDept(page);
+       int total = deptService.getDeptTotal();
+       int pageIndex = total / page.getCount();
+       pageIndex = total % page.getCount() == 0 ? pageIndex : pageIndex+1;
+       page.setTotalIndex(pageIndex);
+       page.calculateLast(total);
+       mv.addObject("deptList",departmentList);
+       mv.addObject("page",page);
+       mv.addObject("total",total);
+       mv.setViewName("department");
+        return mv;
+    }
+
+    /**
+     * 添加部门
+     * @param department    部门信息
+     * @return  部门列表页面
+     */
+    @RequestMapping("/addDept")
+    public ModelAndView addDept(Department department){
+        ModelAndView mv = new ModelAndView();
+        //调用service层的方法
+        deptService.addDept(department);
+        //重定向到部门列表页面
+        mv.setViewName("redirect:/toDepartment");
+        return mv;
+    }
+
+    /**
+     * 查找部门
+     * @param deptName  部门名称
+     * @param page  页面页数
+     * @return  部门列表页面
+     */
+    @RequestMapping("/searchDept")
+    public ModelAndView searchDept(String deptName, Page page){
+        ModelAndView mv = new ModelAndView();
+        //根据部门名称查找部门信息，并进行分页显示
+        List<Department> departmentList = deptService.findDeptByName(deptName, page);
+        //得到总记录数
+        int total = departmentList.size();
+        //每页显示三条，总共显示的页数
+        int pageIndex = total / page.getCount();
+        pageIndex = total % page.getCount() == 0 ? pageIndex : pageIndex+1;
+        page.setTotalIndex(pageIndex);
+        page.calculateLast(total);
+        //添加信息到modelview。
+        mv.addObject("deptList",departmentList);
+        mv.addObject("page",page);
+        mv.addObject("total",total);
+        //返回部门信息列表页面
+        mv.setViewName("department");
+        return mv;
+    }
+
+    /**
+     * 跳转至修改部门信息页面
+     * @param id    部门的id号
+     * @return
+     */
+    @RequestMapping("/toModifyDept")
+    public ModelAndView toModifyDept(int id){
+        ModelAndView mv = new ModelAndView();
+        //找到部门信息
+        Department department = deptService.findDeptById(id);
+        //将该部门信息返回到页面
+        mv.addObject("dept",department);
+        //跳转至修改信息界面
+        mv.setViewName("updateDepartment");
+        return mv;
+    }
+
+    /**
+     * 修改部门信息
+     * @param department    部门
+     * @return  部门信息列表界面
+     */
+    @RequestMapping("/modifyDept")
+    public ModelAndView modifyDept(Department department){
+        ModelAndView mv = new ModelAndView();
+        //修改部门信息
+        deptService.modifyDept(department);
+        //重定向到部门信息列表界面
+        mv.setViewName("redirect:/toDepartment");
+        return mv;
+    }
+    @RequestMapping("/deleteDept")
+    public ModelAndView deleteDept(int id){
+        ModelAndView mv = new ModelAndView();
+        //修改部门信息
+        deptService.deleteDept(id);
+        //重定向到部门信息列表界面
+        mv.setViewName("redirect:/toDepartment");
+        return mv;
+    }
+}
+