ADD file via upload

src/main/java/com/controller/EmployeeController.java

@@ -0,0 +1,181 @@
+package com.controller;
+
+import com.entity.Department;
+import com.entity.Employee;
+import com.service.IDeptService;
+import com.service.IEmpService;
+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.text.SimpleDateFormat;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @ClassName EmployeeController
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/5/30 12:15
+ */
+@Controller
+public class EmployeeController {
+    @Autowired
+    private IEmpService empService;
+    @Autowired
+    private IDeptService deptService;
+
+    /**
+     * 跳转至员工列表页面
+     * @param page
+     * @return
+     */
+    @RequestMapping("/toEmployee")
+    public ModelAndView toEmployee(Page page){
+        ModelAndView mv = new ModelAndView();
+        //查询所有员工
+        List<Employee> employeeList = empService.listEmp(page);
+        //给每个员工设置部门名称
+        for (Employee emp : employeeList) {
+            emp.setDeptName(deptService.findDeptById(emp.getDeptId()).getDeptName());
+        }
+        //获取数据库中记录总数
+        int total = empService.getEmpTotal();
+        //页数。即：每页显示三条记录，总共展示几页
+        int pageIndex = total / page.getCount();
+        pageIndex = total % page.getCount() == 0 ? pageIndex : pageIndex+1;
+        page.setTotalIndex(pageIndex);
+        page.calculateLast(total);
+        //将数据返回员工列表页面
+        mv.addObject("empList",employeeList);
+        mv.addObject("page",page);
+        mv.addObject("total",total);
+        mv.setViewName("employee");
+        return mv;
+    }
+
+    /**
+     * 根据名称查找员工
+     * @param page
+     * @param name
+     * @param email
+     * @param empId
+     * @return
+     */
+    @RequestMapping("/searchEmp")
+    public ModelAndView toEmployee(Page page, String name, String email, String empId){
+        ModelAndView mv = new ModelAndView();
+        //根据部门名称查找部门信息，并进行分页显示
+        Map<String, Object> map = new HashMap<>();
+        if(name != "" && name != null){
+            map.put("name", name);
+        }
+        if(email != "" && email != null){
+            map.put("email", email);
+        }
+        if(empId != "" && empId != null){
+            map.put("empId", empId);
+        }
+        map.put("page", page);
+        //得到符合条件的记录
+        List<Employee> employeeList = empService.searchEmp(map);
+        System.out.println(employeeList);
+        //设置员工的部门名称
+        for (Employee emp : employeeList) {
+            emp.setDeptName(deptService.findDeptById(emp.getDeptId()).getDeptName());
+        }
+        //得到总记录数
+        int total = employeeList.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);
+        //将数据返回给页面
+        mv.addObject("empList",employeeList);
+        mv.addObject("page",page);
+        mv.addObject("total",total);
+        //返回部门信息列表页面
+        mv.setViewName("employee");
+        return mv;
+    }
+
+    /**
+     * 跳转至添加员工页面
+     * @return
+     */
+    @RequestMapping("/toAddEmp")
+    public ModelAndView toAddEmp(){
+        ModelAndView mv = new ModelAndView();
+        //添加信息到modelview。
+        List<Department> departmentList = deptService.findAllDepartment();
+        mv.addObject("deptList",departmentList);
+        mv.setViewName("addEmployee");
+        return mv;
+    }
+
+    /**
+     * 添加员工
+     * @param employee
+     * @return
+     */
+    @RequestMapping("/addEmp")
+    public ModelAndView addEmp(Employee employee){
+        ModelAndView mv = new ModelAndView();
+        //添加员工到数据库
+        empService.addEmp(employee);
+        mv.setViewName("redirect:/toEmployee");
+        return mv;
+    }
+
+    /**
+     * 跳转至修改员工界面
+     * @param id
+     * @return
+     */
+    @RequestMapping("/toModifyEmp")
+    public ModelAndView toUpdateEmp(int id){
+        ModelAndView mv = new ModelAndView();
+        //得到员工信息
+        mv.addObject("emp", empService.selectEmpById(id));
+        //得到所有部门信息
+        List<Department> departmentList = deptService.findAllDepartment();
+        mv.addObject("deptList",departmentList);
+        mv.setViewName("updateEmployee");
+        return mv;
+    }
+
+    /**
+     * 修改员工信息
+     * @param employee
+     * @return
+     */
+    @RequestMapping("/modifyEmp")
+    public ModelAndView modifyEmp(Employee employee){
+        ModelAndView mv = new ModelAndView();
+        //修改数据库中信息
+        empService.modifyEmp(employee);
+        List<Department> departmentList = deptService.findAllDepartment();
+        mv.addObject("deptList",departmentList);
+        //重定向到员工列表界面
+        mv.setViewName("redirect:/toEmployee");
+        return mv;
+    }
+
+    /**
+     * 删除员工
+     * @param id
+     * @return
+     */
+    @RequestMapping("/deleteEmp")
+    public ModelAndView deleteEmp(int id){
+        ModelAndView mv = new ModelAndView();
+        //删除员工
+        empService.deleteEmp(id);
+        mv.setViewName("redirect:/toEmployee");
+        return mv;
+    }
+}