Java 语法where子句与标准协商

我需要在查询中放入where子句，但语法不正确

       /*
        * Support listing and POSTing back Origem entities (e.g. from inside an
        * HtmlSelectOneMenu)
        */

         public List<Origem> getAll()
   {

      CriteriaBuilder cb = this.entityManager.getCriteriaBuilder();
        CriteriaQuery<Origem> criteria = cb.createQuery(Origem.class);
        Root<Origem> root = criteria.from(Origem.class);
        return this.entityManager.createQuery(
                criteria.select(root).where())
                .getResultList();
   }

在我的where子句中，我希望使id等于登录用户的所有origem。 大概是这样的：

CriteriaBuilder cb = this.entityManager.getCriteriaBuilder();
Criteria cr = cb.createCriteria(Origem.class);
// add the restriction here
cr.add(Restrictions.eq("id", loginBean.origem.getId));
Origem root = (Origem) cr.uniqueResult();

---

例如：从origem.id=loginBean.origem.getId的原点选择*使用条件.addRestrictionsRestrictions.eqpropertyName，propertyValue

公共列表getAlllong idFromLoginBeanOrigin {

criteria.addRestrictions.eqorigem.id，idFromLoginBeanOrigin

}

我现在打出来了，可能是打错了，请检查一下

只需将criteria.addRestrictions.eq用于您的条件，我认为如果id是唯一的，您需要使用。uniqueResult要从您的条件中获得想要的结果，您的代码应该如下所示：

CriteriaBuilder cb = this.entityManager.getCriteriaBuilder();
Criteria cr = cb.createCriteria(Origem.class);
// add the restriction here
cr.add(Restrictions.eq("id", loginBean.origem.getId));
Origem root = (Origem) cr.uniqueResult();

CriteriaBuilder cb = this.entityManager.getCriteriaBuilder();
Criteria cr = cb.createCriteria(Origem.class);
// add the restriction here
cr.add(Restrictions.eq("id", loginBean.origem.getId));
Origem root = (Origem) cr.uniqueResult();