13、SpringBoot-CRUD员工修改操作/删除

<a class="btn btn-sm btn-primary" th:href="@{/update/} + ${emp.id} ">修改</a>

//修改
@GetMapping("/update/{id}")
public String updataEmp(@PathVariable("id")Integer id,
                        Model model){

    Employee employee = employeeDao.get(id);
    model.addAttribute("emp",employee);

    //部门选择的修改
    Collection<Department> departments = departmentDao.getDepartments();
    model.addAttribute("depts",departments);

    return "emp/update";
}

<form th:action="@{/update1}" method="post">
   <!--发送put请求修改员工数据-->
   <!--
   1、SpringMVC中配置HiddenHttpMethodFilter;（SpringBoot自动配置好的）
   2、页面创建一个post表单
   3、创建一个input项，name="_method";值就是我们指定的请求方式
   -->
   <input type="hidden" name="_method" value="put" th:if="${emp!=null}"/>
   <!-- id -->
   <input type="hidden" name="id" th:if="${emp!=null}" th:value="${emp.id}">

   <div class="form-group">
      <label>LastName</label>
      <input name="lastName" type="text" class="form-control" 
placeholder="zhangsan" th:value="${emp!=null}?${emp.lastName}">
   </div>
   <div class="form-group">
      <label>Email</label>
      <input name="email" type="email" class="form-control" 
placeholder="zhangsan@atguigu.com" th:value="${emp!=null}?${emp.email}">
   </div>
   <div class="form-group">
      <label>Gender</label><br/>
      <div class="form-check form-check-inline">
         <input class="form-check-input" type="radio" 
name="gender" value="1" th:checked="${emp!=null}?${emp.gender==1}">
         <label class="form-check-label">男</label>
      </div>
      <div class="form-check form-check-inline">
         <input class="form-check-input" type="radio" name="gender" value="0" th:checked="${emp!=null}?${emp.gender==0}">
         <label class="form-check-label">女</label>
      </div>
   </div>
   <div class="form-group">
      <label>department</label>
      <!--提交的是部门的id-->
      <select class="form-control" name="department.id">
         <option th:each="dept:${depts}" th:text="${dept.departmentName}"
         th:selected="${dept.id == emp.department.id}"  th:value="${dept.id}">1</option>
      </select>
   </div>
   <div class="form-group">
      <label>Birth</label>
      <input name="birth" type="text" class="form-control" 
placeholder="zhangsan" th:value="${emp!=null}?${#dates.format(emp.birth, ‘yyyy-MM-dd HH:mm‘)}">
   </div>
   <button type="submit" class="btn btn-primary" th:text="${emp!=null}?‘修改‘:‘添加‘">添加</button>
</form>

//员工修改
@PutMapping("/update1")
public String  updataToEmp(Employee employee){

    System.out.println(employee);

    //修改的数据
    employeeDao.save(employee);

    return "redirect:/emps";
}

<form th:action="@{/delete/}+${emp.id}" method="post">
   <input type="hidden" name="_method" value="delete">
   <button class="btn btn-sm btn-danger">删除</button>
</form>

//删除请求
@DeleteMapping("/delete/{id}")
public  String  delete(@PathVariable("id") Integer id){
    employeeDao.delete(id);

    return "redirect:/emps";
}