Sping 补充完成修改功能

Posted 2022-02-26 q2546

1.视图层完整示例

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

<form action="#" th:action="@/update/id(id=$user.id)" th:object="$user" method="post" >     <label for="name" >姓名</label>     <input type="text" th:field="*name" id="name" placeholder="Name" >           <p th:if="$#fields.hasErrors(‘name‘)" th:errors="*name" ></p>           <label for="age">年龄</label>     <input type="text" th:field="*age"   id="age" placeholder="age" name="age">           <p th:if="$#fields.hasErrors(‘age‘)" th:errors="*age"></p>           <label for="email">邮箱</label>     <input type="text" th:field="*email" id="email" placeholder="Email">           <p th:if="$#fields.hasErrors(‘email‘)" th:errors="*email" ></p>           <input type="submit" value="修改"> </form>

　　2.控制器层代码

1 2 3 4 5 6 7 8

@PostMapping("/edit/id") public String editUser(@Valid User user,BindingResult bindingResult)           if(bindingResult.hasErrors())         return "update-user";          return "update-user";