1.视图层完整示例
<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
@PostMapping("/edit/{id}") public String editUser(@Valid User user,BindingResult bindingResult) { if(bindingResult.hasErrors()) { return "update-user"; } return "update-user"; }
动图示例
原文:https://www.cnblogs.com/max-hou/p/11107095.html