<span>/*</span><span>* * 无级递归分类 * @param int $assortPid 要查询分类的父级id * @param mixed $tag 上下级分类之间的分隔符 * @return string $tree 返回的分类树型结构结果 * </span><span>*/</span> <span>function</span> recursiveAssort(<span>$assortPid</span>, <span>$tag</span> = ''<span>) { </span><span>$assort</span> = M('goods_class')->where("class_pid = <span>$assortPid</span>")->field('class_id, class_name')-><span>select(); </span><span>foreach</span> (<span>$assort</span> <span>as</span> <span>$value</span><span>) { </span><span>$tree</span> .= '<option value="' . <span>$value</span>['class_id'] . '">' . <span>$tag</span> . <span>$value</span>['class_name'] . '</option>'<span>; </span><span>$tree</span> .= recursiveAssort(<span>$value</span>['class_id'], <span>$tag</span> . ' '<span>); } </span><span>return</span> <span>$tree</span><span>; }</span>