source: src/main/resources/templates/addFilmToCinema.html

<th:block xmlns:th="http://www.thymeleaf.org">

  <div class="container" style="color: white">
    <h1 class="jumbotron-heading">Додади филм во кинотека</h1>
    <div class="row">
      <div class="col-md-5">
        <form action="/home/addCinemaPlaysFilm" method="POST">

          <div class="form-group">
            <label>Кинотека</label>
            <select name="id_cinema" id="f1" class="form-control">
              <option
                      th:each="c : ${cinemas}"
                      th:value="${c.id_cinema}"
                      th:text="${c.name}">
              </option>
            </select>
          </div>

          <div class="form-group">
            <label>Филм</label>
            <select name="id_film" id="f2" class="form-control">
              <option
                      th:each="f : ${films}"
                      th:value="${f.id_film}"
                      th:text="${f.name}">
              </option>
            </select>
          </div>
          <button style="background-color: #ff5019" id="submit" type="submit" class="btn btn-primary">Додади </button>
        </form>
      </div>
    </div>
  </div>

</th:block>