thymeleaf Expression Utility Objects Format decimal
Example
<p>
Order sum: <span th:text="${#numbers.formatDecimal(orderSum, 0, 'COMMA', 2, 'POINT')}">1,145,000.52</span>
</p>
<p>
Order sum: <span th:text="${#numbers.formatDecimal(orderSum, 0, 'COMMA', 2, 'POINT')}">1,145,000.52</span>
</p>
