Spring & Thymeleaf form - spring

Question

adding in form is trivial when I have only one object like here:
<form th:action="|#{group/save}/${id}|" th:object="${groupForm}" method="post" class="col m8 s8 offset-m2">
<div class="row">
<div class="input-field">
<input th:field="${groupForm.name}" id="name" type="text" required="required"/>
<label for="name">Nazwa:</label>
</div>
</div>
<div class="row">
<button class="btn-success" type="submit" name="save">Wyślij<i class="mdi-content-send right"></i></button>
</div>
</form>
but let's assume that groupForm have list of customer
public class Customer{
private long id;
private String firstName;
private String lastName;
private String nick;
}
How can I add 5 Customers into list in class Group? I want to achive in one request.

Answer 1

Assuming that your Group class looks something like this:
public class Group {
private List<Customer> customers;
}
Try this:
<input th:field="*{customers[0].name}" type="text" required="required"/>
<input th:field="*{customers[1].name}" type="text" required="required"/>
<input th:field="*{customers[2].name}" type="text" required="required"/>
<input th:field="*{customers[3].name}" type="text" required="required"/>
<input th:field="*{customers[4].name}" type="text" required="required"/>