[JAVA] If you want to separate Spring Boot + Thymeleaf processing

Using Thymeleaf, I felt "Is there such a usage?", So I will describe it.

For example, the same form is specified as shown below ('/ reservations /'+ $ {date} +'/' + $ {roomId}} ") But suppose you want to separate the processes.


<form th:action="@{'/reservations/' + ${date} + '/' + ${roomId}}" method="post"
					sec:authorize="${hasRole('ADMIN') or #vars.user.userId==#vars.reservation.user.userId}">
					<!-- th:if="${user.userId==reservation.user.userId}" -->
					<input type="hidden" name="reservationId" th:value="${reservation.reservationId}">
					<input type="submit" name="cancel" value="cancel">

<form th:action="@{'/reservations/' + ${date} + '/' + ${roomId}}" method="post">
		<input type="text" name="userId">
		<input type="submit" name="search" value="Search">

Prepare name = "XXXX" as an option of input tag, By specifying (params = "XXXX") in the @GetMapping or @PostMapping option of the Controller You can separate the processing.



<input type="submit" name="search" value="Search">


	public String search(@RequestParam("userId") String userId, Model model) {

		List<Reservation> lists = reservationService.find(userId);
		model.addAttribute("list", lists);
		return "test";

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