Spring 引导和 Thymeleaf 返回空列表到 controller

Question

制作 Spring 引导 + Thymeleaf 应用程序。

我正在尝试根据是否在表单上进行检查，将Integer类型的 ID 列表传递给我的 controller，以便从我的数据库表中删除一行或多行数据。

但是，现在它返回一个空列表。

ID 是表的主键。

controller 似乎工作正常，因为当我手动将 Integer 添加到列表时 - 它可以毫无问题地删除。

这是我的 HTML 文件

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>Profile</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <!-- Custom styles for this template -->
    <link rel="stylesheet" type="text/css" th:href="@{/css/offcanvas.css}">
</head>



    <div class="col-9 col-lg-10">
        <form th:action="@{/users/profile/history/deldata}" th:object="${logDeleteForm}" method="post">
<!--        <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/>-->
        <div class="container-fluid text-center">
            <div>
                <table class="table table-striped w-75">
                    <thead>
                    <tr class="bg-dark text-light">
                        <th>Select</th>
                        <th>Date</th>
                        <th>Country</th>
                        <th>City</th>
                    </tr>
                    </thead>
                    <tbody>
                    <tr th:each="userData: ${userData}">
                        <td><input type="checkbox"
                                   th:name="ids"
                                   th:value="${userData.id}"/>
                        </td>
                        <td th:text="${userData.datetime}"></td>
                        <td th:text="${userData.country}"></td>
                        <td th:text="${userData.city}"></td>
                    </tr>
                    </tbody>
                    <input type="submit" value="Delete tests" id="deleteinput"/>
                </table>
             </div>
        </div>
        </form>
    </div>
<!--</div>-->

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>

</body>
</html>

我的 Controller

    @PostMapping("/users/profile/history/deldata")
    public String deleteUserData(@ModelAttribute("ids") LogDeleteForm logDeleteForm, Model model) {
        System.out.println(logDeleteForm.getIds());

        List<Integer> ids = logDeleteForm.getIds();

        if (ids == null || ids.size() == 0) {
            return "redirect:/users/profile/history";
        }
        for (Integer id : ids) {
            userDataService.deleteUserDataById(id);
        }
        return "redirect:/users/profile/history";
    }

还有我的 FormObject 类

public class LogDeleteForm  {

    private List<Integer> ids = new ArrayList<>();

    public LogDeleteForm() {}

    public LogDeleteForm(List<Integer> ids) {
        this.ids = ids;
    }

    public List<Integer> getIds() {
        return ids;
    }

    public void setLogIds(List<Integer> logIds) {
        this.ids = ids;
    }
}