package tju.SpringBootSecurityJdbc.controller;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;@RestController
 @ConditionalOnExpression("’KaTeX parse error: Expected 'EOF', got '&' at position 18: …om.abc}'=='fgh'&̲&{my.user.num}==2&&${test.fgh.enabled:true}")
 public class AppController2 {
 @RequestMapping("/halu")
 public String testme()
 {
 return “this is rest!”;
 }}

2. application.properties
test.fgh.enabled=true
my.user.num=2