如何将选定的下拉值传递给 Thymeleaf 中的控制器? [英] How do I pass the selected dropdown value to a controller in Thymeleaf?

问题描述

如何将下拉列表(Thymeleaf)的选中值传递给控制器​​(Spring)?列表本身形成正常，问题出在按钮上.

控制器:

@RequestMapping(value="courier/notInTime", method = RequestMethod.POST)公共字符串删除用户(@RequestParam 字符串任务){System.out.println(任务);返回重定向:/快递"；}

查看:

<select class="form-control" id="courierTasks" name="courierTasks"><option value="">选择禁用任务</option><option th:each="task : ${tasks}"th:value="${task}"th:text="${task}"></选项></选择><form th:action="@{/courier/notInTime}" method="post"><输入类型=隐藏"/><button type="submit">不及时</button></表单>

解决方案

@Sopheak @Ioannis many thx.

控制器:

@RequestMapping(value="courier/notInTime", method = RequestMethod.POST)public String deleteUser (@Valid String 任务) {System.out.println(任务);返回重定向:/快递"；}

查看:

 
<select class="form-control" id="task" name="task"><option value="">选择禁用任务</option><option th:each="task : ${tasks}"th:value="${task}"th:text="${task}"></选项></选择><button type="submit">不及时</button></表单>

How to transfer the selected value of the drop-down list (Thymeleaf) to the controller (Spring)? The list itself is formed normally, the problem is in the button.

Controller:

@RequestMapping(value="courier/notInTime", method = RequestMethod.POST)
public String deleteUser (@RequestParam String task) {
    System.out.println(task);
    return "redirect:/courier";
}

View:

<div class="taskList" th:object="${task}">
    <select class="form-control" id="courierTasks" name="courierTasks">
        <option value="">Select task for disable</option>
        <option th:each="task : ${tasks}"
                th:value="${task}"
                th:text="${task}">
        </option>
    </select>
    <form th:action="@{/courier/notInTime}" method="post">
        <input type="hidden"/>
        <button type="submit">Not in time</button>
    </form>
</div>

解决方案

@Sopheak @Ioannis many thx.

Controller:

@RequestMapping(value="courier/notInTime", method = RequestMethod.POST)
public String deleteUser (@Valid String task) {
    System.out.println(task);
    return "redirect:/courier";
}

View:

 <form th:action="@{/courier/notInTime}" method="post">
        <select class="form-control" id="task" name="task">
            <option value="">Select task for disable</option>
            <option th:each="task : ${tasks}"
                    th:value="${task}"
                    th:text="${task}">
            </option>
        </select>
        <button type="submit">Not in time</button>
 </form>

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