Select C from Customer c
select c.firstName as firstName,c.lastName as lastName from Customer c
package com.example.demo.dto;
import org.springframework.beans.factory.annotation.Value;
/**
* Created by Administrator on 2017/7/9 0009.
*/
public interface CustomerProjection {
@Value("#{target.firstName + ' ' + target.lastName}")
String getFullName();
String getFirstName();
String getLastName();
}
@Query("SELECT c.firstName as firstName,c.lastName as lastName from Customer c")
Collection<CustomerProjection> findAllProjectedBy();
/**
* find by projections
*/
@RequestMapping("/findAllProjections")
public void findAllProjections(){
Collection<CustomerProjection> projections = repository.findAllProjectedBy();
System.out.println(projections);
System.out.println(projections.size());
for (CustomerProjection projection:projections){
System.out.println("FullName:"+projection.getFullName());
System.out.println("FirstName:"+projection.getFirstName());
System.out.println("LastName:"+projection.getLastName());
}
}
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