def get_members(pkg_name, module_filter = None, member_filter = None):
    """
        返回包中所有符合条件的模块成员。

        参数:
            pkg_name        包名称
            module_filter   模块名过滤器 def (module_name)
            member_filter   成员过滤器 def member_filter(module_member_object)
    """
    modules = get_modules(pkg_name, module_filter)

    ret = {}
    for m in modules:
        members = dict(("{0}.{1}".format(v.__module__, k), v) for k, v in getmembers(m, member_filter))
        ret.update(members)

    return ret