QueryService.java 文件源码

protected <X> Specification<ENTITY> valueIn(SingularAttribute<? super ENTITY, X> field, final Collection<X>
    values) {
    return (root, query, builder) -> {
        In<X> in = builder.in(root.get(field));
        for (X value : values) {
            in = in.value(value);
        }
        return in;
    };
}