official_website/extend/utils/Data.php

241 lines
7.7 KiB
PHP

<?php
namespace utils;
final class Data
{
/**
* 返回多层栏目
* @param $data 操作的数组
* @param int $pid 一级PID的值
* @param string $html 栏目名称前缀
* @param string $fieldPri 唯一键名,如果是表则是表的主键
* @param string $fieldPid 父ID键名
* @param int $level 不需要传参数(执行时调用)
* @return array
*/
static public function channelLevel($data, $pid = 0, $html = "&nbsp;", $fieldPri = 'cid', $fieldPid = 'pid', $level = 1)
{
if (empty($data)) {
return array();
}
$arr = array();
foreach ($data as $v) {
if(!empty($v["name"])){
// $v["name"] = DIRECTORY_SEPARATOR.config("adminconfig.admin_path").$v["name"];
$v["name"] = url(config("adminconfig.admin_path").$v["name"]);
}
if ($v[$fieldPid] == $pid) {
$arr[$v[$fieldPri]] = $v;
$arr[$v[$fieldPri]]['_level'] = $level;
$arr[$v[$fieldPri]]['_html'] = str_repeat($html, $level - 1);
$arr[$v[$fieldPri]]["_data"] = self::channelLevel($data, $v[$fieldPri], $html, $fieldPri, $fieldPid, $level + 1);
}
}
return $arr;
}
/**
* 返回多层栏目内容子菜单
* @param $data 操作的数组
* @param int $pid 一级PID的值
* @param string $html 栏目名称前缀
* @param string $fieldPri 唯一键名,如果是表则是表的主键
* @param string $fieldPid 父ID键名
* @param int $level 不需要传参数(执行时调用)
* @return array
*/
static public function channelLevelChild($data, $pid = 0, $html = "&nbsp;", $fieldPri = 'cid', $fieldPid = 'pid', $level = 1)
{
if (empty($data)) {
return array();
}
$arr = array();
foreach ($data as $v) {
if ($v[$fieldPid] == $pid) {
$arr[$v[$fieldPri]] = $v;
$arr[$v[$fieldPri]]['_level'] = $level;
$arr[$v[$fieldPri]]['_html'] = str_repeat($html, $level - 1);
$arr[$v[$fieldPri]]["_data"] = self::channelLevelChild($data, $v[$fieldPri], $html, $fieldPri, $fieldPid, $level + 1);
}
}
return $arr;
}
/**
* 获得所有子栏目
* @param $data 栏目数据
* @param int $pid 操作的栏目
* @param string $html 栏目名前字符
* @param string $fieldPri 表主键
* @param string $fieldPid 父id
* @param int $level 等级
* @return array
*/
static public function channelList($data, $pid = 0, $html = "&nbsp;", $fieldPri = 'cid', $fieldPid = 'pid', $level = 1)
{
$data = self::_channelList($data, $pid, $html, $fieldPri, $fieldPid, $level);
if (empty($data))
return $data;
foreach ($data as $n => $m) {
if ($m['_level'] == 1)
continue;
$data[$n]['_first'] = false;
$data[$n]['_end'] = false;
if (!isset($data[$n - 1]) || $data[$n - 1]['_level'] != $m['_level']) {
$data[$n]['_first'] = true;
}
if (isset($data[$n + 1]) && $data[$n]['_level'] > $data[$n + 1]['_level']) {
$data[$n]['_end'] = true;
}
}
//更新key为栏目主键
$category=array();
foreach($data as $d){
$category[$d[$fieldPri]]=$d;
}
return $category;
}
//只供channelList方法使用
static private function _channelList($data, $pid = 0, $html = "&nbsp;", $fieldPri = 'cid', $fieldPid = 'pid', $level = 1)
{
if (empty($data))
return array();
$arr = array();
foreach ($data as $v) {
$id = $v[$fieldPri];
if ($v[$fieldPid] == $pid) {
$v['_level'] = $level;
$v['_html'] = str_repeat($html, $level - 1);
array_push($arr, $v);
$tmp = self::_channelList($data, $id, $html, $fieldPri, $fieldPid, $level + 1);
$arr = array_merge($arr, $tmp);
}
}
return $arr;
}
/**
* 获得树状数据
* @param $data 数据
* @param $title 字段名
* @param string $fieldPri 主键id
* @param string $fieldPid 父id
* @return array
*/
static public function tree($data, $title, $fieldPri = 'cid', $fieldPid = 'pid')
{
if (!is_array($data) || empty($data))
return array();
$arr = Data::channelList($data, 0, '', $fieldPri, $fieldPid);
foreach ($arr as $k => $v) {
$str = "";
if ($v['_level'] > 2) {
for ($i = 1; $i < $v['_level'] - 1; $i++) {
$str .= "&emsp;│";
}
}
if ($v['_level'] != 1) {
$t = $title ? $v[$title] : "";
if (isset($arr[$k + 1]) && $arr[$k + 1]['_level'] >= $arr[$k]['_level']) {
$arr[$k]['_name'] = $str . "&emsp;├─ " . $v['_html'] . $t;
} else {
$arr[$k]['_name'] = $str . "&emsp;└─ " . $v['_html'] . $t;
}
} else {
$arr[$k]['_name'] = $v[$title];
}
}
//设置主键为$fieldPri
$data = array();
foreach ($arr as $d) {
$data[$d[$fieldPri]] = $d;
}
return $data;
}
/**
* 获得所有父级栏目
* @param $data 栏目数据
* @param $sid 子栏目
* @param string $fieldPri 唯一键名,如果是表则是表的主键
* @param string $fieldPid 父ID键名
* @return array
*/
static public function parentChannel($data, $sid, $fieldPri = 'cid', $fieldPid = 'pid')
{
if (empty($data)) {
return $data;
} else {
$arr = array();
foreach ($data as $v) {
if ($v[$fieldPri] == $sid) {
$arr[] = $v;
$_n = self::parentChannel($data, $v[$fieldPid], $fieldPri, $fieldPid);
if (!empty($_n)) {
$arr = array_merge($arr, $_n);
}
}
}
return $arr;
}
}
/**
* 判断$s_cid是否是$d_cid的子栏目
* @param $data 栏目数据
* @param $sid 子栏目id
* @param $pid 父栏目id
* @param string $fieldPri 主键
* @param string $fieldPid 父id字段
* @return bool
*/
static function isChild($data, $sid, $pid, $fieldPri = 'cid', $fieldPid = 'pid')
{
$_data = self::channelList($data, $pid, '', $fieldPri, $fieldPid);
foreach ($_data as $c) {
//目标栏目为源栏目的子栏目
if ($c[$fieldPri] == $sid)
return true;
}
return false;
}
/**
* 检测是不否有子栏目
* @param $data 栏目数据
* @param $cid 要判断的栏目cid
* @param string $fieldPid 父id表字段名
* @return bool
*/
static function hasChild($data, $cid, $fieldPid = 'pid')
{
foreach ($data as $d) {
if ($d[$fieldPid] == $cid) return true;
}
return false;
}
/**
* 递归实现迪卡尔乘积
* @param $arr 操作的数组
* @param array $tmp
* @return array
*/
static function descarte($arr, $tmp = array())
{
static $n_arr = array();
foreach (array_shift($arr) as $v) {
$tmp[] = $v;
if ($arr) {
self::descarte($arr, $tmp);
} else {
$n_arr[] = $tmp;
}
array_pop($tmp);
}
return $n_arr;
}
}