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我使用spring-data-rest
來通過spring servlet公開數據庫內容。使用@QuerydslPredicate
用於能夠通過HTTP GET發送過濾器,如:如何在@RestController中驗證@QuerydslPredicate?
localhost:8080/persons?firstname=john&lastname=doe
問題:是否有可能告訴Predicate
驗證規則?例如,特定字段可能不是null
,例如姓氏?
@RestController
public class PersonServlet {
@GetMapping("/persons")
public Iterable<Person> getPersons(
@QuerydslPredicate(root = Person.class) com.querydsl.core.types.Predicate predicate,
Pageable pageable) {
return dao.findAll(predicate, pageable);
}
@Entity
public class Person {
private String firstname;
private String lastname;
private String age;
//many more fields
}
}