胸腺生成无查询参数的URL，但是？出现
我正在使用 Thymeleaf 开发一个简单的 Spring Boot MVC 应用程序。
thymeleaf 部分代码：
<tr th:each="dept: ${departments}">
<td th:text="${dept.getId()}"></td>
<td th:text="${dept.getName()}"></td>
<td>
<form th:object="${dept}" th:action="@{'/departments/' + ${dept.getId()}}">
<button class="btn btn-secondary">Details</button>
</form>
</td>
<td>
<form th:object="${dept}" th:action="@{/departments/{id}/edit(id=${dept.getId()})}">
<button class="btn btn-secondary">Edit</button>
</form>
</td>
<td>
<form th:object="${dept}" th:action="@{/departments/{id}(id=${dept.getId()})}" th:method="delete">
<button class="btn btn-secondary">Delete</button>
</form>
</td>
</tr>
UI 界面如下所示：
单击编辑按钮时（详细信息按钮也是如此），它加载正确，但 URL 为其他查询参数生成 ? 字符，但实际上没有（例如 http://localhost:8089/departments/3/edit? ）。
控制器代码是：
@GetMapping("/{id}/edit")
public String editDepartment(@PathVariable("id") String departmentId, Model model) {
var department = departmentService.getDepartmentById(Long.valueOf(departmentId));
model.addAttribute("department", department);
return "edit-department"; // returns view
}
我的问题是正在显示的 ? 字符。我不希望它出现，因为没有查询参数。有什么帮助吗？
I'm working on a simple Spring Boot MVC application using Thymeleaf.
Part of the thymeleaf code:
<tr th:each="dept: ${departments}">
<td th:text="${dept.getId()}"></td>
<td th:text="${dept.getName()}"></td>
<td>
<form th:object="${dept}" th:action="@{'/departments/' + ${dept.getId()}}">
<button class="btn btn-secondary">Details</button>
</form>
</td>
<td>
<form th:object="${dept}" th:action="@{/departments/{id}/edit(id=${dept.getId()})}">
<button class="btn btn-secondary">Edit</button>
</form>
</td>
<td>
<form th:object="${dept}" th:action="@{/departments/{id}(id=${dept.getId()})}" th:method="delete">
<button class="btn btn-secondary">Delete</button>
</form>
</td>
</tr>
The UI interface looks like this:
When clicking on the Edit button (same goes for the Details one), it loads correctly, but the URL generates the ? character for other query parameters, but there are actually none (for example http://localhost:8089/departments/3/edit?).
The controller code is:
@GetMapping("/{id}/edit")
public String editDepartment(@PathVariable("id") String departmentId, Model model) {
var department = departmentService.getDepartmentById(Long.valueOf(departmentId));
model.addAttribute("department", department);
return "edit-department"; // returns view
}
My problem is with the ? character that is being displayed. I don't want it to appear as there are no query parameters. Any help?
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评论（2）
它添加了一个问题
?因为您正在提交一个空表单。为什么不直接使用按钮样式的链接呢？It's adding a question
?because you are submitting an empty form. Why not just use a link styled as a button?尝试
Try