AbstractCrudServiceImpl.java 文件源码

public List<T> findAll() {
    final CriteriaBuilder builder = entityManager.getCriteriaBuilder();
    final CriteriaQuery<T> criteria = builder.createQuery(entityClass);
    final Root<T> root = criteria.from(entityClass);
    criteria.select(root);

    final TypedQuery<T> query = entityManager.createQuery(criteria);

    return query.getResultList();
}