Sping 补充完成修改功能

1.视图层完整示例

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<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

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@PostMapping("/edit/{id}")
public String editUser(@Valid User user,BindingResult bindingResult) {
     
    if(bindingResult.hasErrors()) {
        return "update-user";
    }
    return "update-user";
}
原文地址:https://www.cnblogs.com/q2546/p/11107843.html