PHP无限级分类实现程序

<?php
/**
* File name: TreeTable.class.php
* Author: run.gao 312854458@qq.com Date: 2012-07-24 23:22 GMT+8
* Description: 通用的表格无限级分类
* */
/**
* 表格展示无限分类是将无线分类已表格的形式表现出来，更好的能体现出分类的所属关系
* 使用方法：
* 1. 实例化分类
* $treeTable = new TreeTable();
* 2. 初始化分类，$treearr必须是一个多维数组且包含 id,parentid,name字段
* $treeTable->init($treearr);
* 3. 获取无限分类HTML代码
* echo $treeTable->get_treetable();
* */
class TreeTable {
/**
* 生成树型结构所需要的2维数组
* @var array
*/
public $arr = array();
/**
* 表格列数
* @var int
*/
public $columns = 0;
/**
* 表格行数
* @var int
*/
public $rows = 0;
/**
* 初始化TreeTable数据
* @param array 2维数组
* array(
* 1 => array('id'=>'1','parentid'=>0,'name'=>'一级栏目一'),
* 2 => array('id'=>'2','parentid'=>0,'name'=>'一级栏目二'),
* 3 => array('id'=>'3','parentid'=>1,'name'=>'二级栏目一'),
* 4 => array('id'=>'4','parentid'=>1,'name'=>'二级栏目二'),
* 5 => array('id'=>'5','parentid'=>2,'name'=>'二级栏目三'),
* 6 => array('id'=>'6','parentid'=>3,'name'=>'三级栏目一'),
* 7 => array('id'=>'7','parentid'=>3,'name'=>'三级栏目二')
* )
*/
public function init($arr=array()){
if(!is_array($arr)) return false;
foreach ($arr as $k=>$v) {
$this->arr[$v['id']] = $v;
}
foreach ($this->arr as $k => $v){
$this->arr[$k]['column'] = $this->get_level($v['id']); // Y轴位置
$this->arr[$k]['arrchildid'] = $this->get_arrchildid($v['id']); // 所有子节点
$this->arr[$k]['arrparentid'] = $this->get_arrparentid($v['id']); // 所有父节点
$this->arr[$k]['child_bottom_num'] = $this->get_child_count($v['id']); // 所有底层元素节点
}
$this->columns = $this->get_columns(); // 总行数
$this->rows = $this->get_rows(); // 总列数
// 按照arrparentid和id号进行排序
$this->sort_arr();
foreach ($this->arr as $k => $v){
$this->arr[$k]['row'] = $this->get_row_location($v['id']); // X轴位置
$this->arr[$k]['rowspan'] = $v['child_bottom_num']; // 行合并数
$this->arr[$k]['colspan'] = $v['child_bottom_num'] == 0 ? $this->columns - $v['column'] + 1 : 0; //列合并数
}
return $this->get_tree_arr();
}
/**
* 获取数组
* */
public function get_tree_arr(){
return is_array($this->arr) ? $this->arr : false;
}
/**
* 按arrparentid/id号依次重新排序数组
* */
public function sort_arr(){
// 要进行排序的字段
foreach ($this->arr as $k => $v){
$order_pid_arr[$k] = $v['arrparentid'];
$order_iscost[] = $v['sort'];
$order_id_arr[$k] = $v['id'];
}
// 先根据arrparentid排序，再根据排序,id号排序
array_multisort(
$order_pid_arr, SORT_ASC, SORT_STRING,
$order_iscost, SORT_DESC, SORT_NUMERIC,
$order_id_arr, SORT_ASC, SORT_NUMERIC,
$this->arr);
// 获取每一个节点层次
for ($column = 1; $column <= $this->columns; $column++) {
$row_level = 0;
foreach ($this->arr as $key => $node){
if ($node['column'] == $column){
$row_level++;
$this->arr[$key]['column_level'] = $row_level;
}
}
}
// 重新计算以ID作为键名
foreach ($this->arr as $k=>$v) {
$arr[$v['id']] = $v;
}
$this->arr = $arr;
}
/**
* 得到父级数组
* @param int
* @return array
*/
public function get_parent($myid){
$newarr = array();
if(!isset($this->arr[$myid])) return false;
$pid = $this->arr[$myid]['parentid'];
$pid = $this->arr[$pid]['parentid'];
if(is_array($this->arr)){
foreach($this->arr as $id => $a){
if($a['parentid'] == $pid) $newarr[$id] = $a;
}
}
return $newarr;
}
/**
* 得到子级数组
* @param int
* @return array
*/
public function get_child($myid){
$a = $newarr = array();
if(is_array($this->arr)){
foreach($this->arr as $id => $a){
if($a['parentid'] == $myid) $newarr[$id] = $a;
}
}
return $newarr ? $newarr : false;
}
/**
* 获取当前节点所在的层级
* @param $myid 当前节点ID号
* */
public function get_level($myid, $init = true){
static $level = 1;
if($init) $level = 1;
if ($this->arr[$myid]['parentid']) {
$level++;
$this->get_level($this->arr[$myid]['parentid'], false);
}
return $level;
}
/**
* 获取当前节点所有底层节点（没有子节点的节点）的数量
* @param $myid 节点ID号
* @param $init 第一次加载将情况static变量
* */
public function get_child_count($myid, $init = true){
static $count = 0;
if($init) $count = 0;
if(!$this->get_child($myid) && $init) return 0;
if($childarr = $this->get_child($myid)){
foreach ($childarr as $v){
$this->get_child_count($v['id'], false);
}
}else{
$count++;
}
return $count;
}
/**
* 获取节点所有子节点ID号
* @param $catid 节点ID号
* @param $init 第一次加载将情况static初始化
* */
public function get_arrchildid($myid, $init = true) {
static $childid;
if($init) $childid = '';
if(!is_array($this->arr)) return false;
foreach($this->arr as $id => $a){
if($a['parentid'] == $myid) {
$childid = $childid ? $childid.','.$a['id'] : $a['id'];
$this->get_arrchildid($a['id'], false);
}
}
return $childid ;
}
/**
* 获取该节点所有父节点ID号
* @param $id 节点ID号
* */
public function get_arrparentid($id, $arrparentid = '') {
if(!is_array($this->arr)) return false;
$parentid = $this->arr[$id]['parentid'];
if($parentid > 0) $arrparentid = $arrparentid ? $parentid.','.$arrparentid : $parentid;
if($parentid) $arrparentid = $this->get_arrparentid($parentid, $arrparentid);
return $arrparentid;
}
/**
* 获取节点所在地行定位
* @param $myid 节点ID号
*/
public function get_row_location($myid){
$nodearr = $this->arr;
// 获取每一个节点所在行的位置
foreach ($nodearr as $key => $node){
if($myid == $node['id']) {
$node_row_count = 0;
$arrparentid = explode(',', $node['arrparentid']);
// 所有父节点小于当前节点层次的底层节点等于0的元素
foreach ($arrparentid as $pid){
foreach ($nodearr as $node_row){
if($node_row['column'] == $nodearr[$pid]['column'] && $nodearr[$pid]['column_level'] > $node_row['column_level'] && $node_row['child_bottom_num'] == 0){
$node_row_count ++;
}
}
}
// 所有当前节点并且节点层次（rowid_level）小于当前节点层次的个数
foreach ($nodearr as $node_row){
if($node['column'] == $node_row['column'] && $node_row['column_level'] < $node['column_level']){
$node_row_count += $node_row['child_bottom_num'] ? $node_row['child_bottom_num'] : 1;
}
}
$node_row_count++;
break;
}
}
return $node_row_count;
}
/**
* 获取表格的行数
* */
public function get_rows(){
$row = 0;
foreach ($this->arr as $key => $node){
if($node['child_bottom_num'] == 0){
$rows++; // 总行数
}
}
return $rows;
}
/**
* 获取表格的列数
* */
public function get_columns(){
$columns = 0 ;
foreach ($this->arr as $key => $node){
if($node['column'] > $columns){
$columns = $node['column']; // 总列数
}
}
return $columns;
}
/**
* 获取分类的表格展现形式(不包含表头)
* */
public function get_treetable(){
$table_string = '';
for($row = 1; $row <= $this->rows; $row++){
$table_string .= "rt<tr>";
foreach ($this->arr as $v){
if($v['row'] == $row){
$rowspan = $v['rowspan'] ? "rowspan='{$v['rowspan']}'" : '';
$colspan = $v['colspan'] ? "colspan='{$v['colspan']}'" : '';
$table_string .= "rtt<td {$rowspan} {$colspan}>
{$v['name']}
</td>";
}
}
$table_string .= "rt</tr>";
}
return $table_string;
}
}
?>

$post_data = array();
$post_data['clientname'] = "test08";
$post_data['clientpasswd'] = "test08";
$post_data['submit'] = "submit";
$url='http://xxx.xxx.xxx.xx/xx/xxx/top.php';
$o="";
foreach ($post_data as $k=>$v)
{
    $o.= "$k=".urlencode($v)."&";
}
$post_data=substr($o,0,-1);
$ch = curl_init();
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_URL,$url);
//为了支持cookie
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$result = curl_exec($ch);

&lt;?php

function checklogin( $user, $password )
 {
 if ( empty( $user ) || empty( $password ) )
 {
 return 0;
 }
 $ch = curl_init( );
 curl_setopt( $ch, CURLOPT_REFERER, "http://mail.sina.com.cn/index.html" );
 curl_setopt( $ch, CURLOPT_HEADER, true );
 curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
 curl_setopt( $ch, CURLOPT_USERAGENT, USERAGENT );
 curl_setopt( $ch, CURLOPT_COOKIEJAR, COOKIEJAR );
 curl_setopt( $ch, CURLOPT_TIMEOUT, TIMEOUT );
 curl_setopt( $ch, CURLOPT_URL, "http://mail.sina.com.cn/cgi-bin/login.cgi" );
 curl_setopt( $ch, CURLOPT_POST, true );
 curl_setopt( $ch, CURLOPT_POSTFIELDS, "&amp;logintype=uid&amp;u=".urlencode( $user )."&amp;psw=".$password );
 $contents = curl_exec( $ch );
 curl_close( $ch );
 if ( !preg_match( "/Location: (.*)\/cgi\/index\.php\?check_time=(.*)n/", $contents, $matches ) )
 {
 return 0;
 }else{
 return 1;
 }
 }

&nbsp;define( "USERAGENT", $_SERVER['HTTP_USER_AGENT'] );
 define( "COOKIEJAR", tempnam( "/tmp", "cookie" ) );
 define( "TIMEOUT", 500 );

&nbsp;echo checklogin("zhangying215","xtaj227");
 ?&gt;

$URL=‘http://xxx.xxx.xxx.xx/xx/xxx/top.php';
$post_data['clientname'] = "test08";
$post_data['clientpasswd'] = "test08";
$post_data['submit'] = "ログイン";
$referrer="";
// parsing the given URL
$URL_Info=parse_url($URL);
// Building referrer
if($referrer=="") // if not given use this script as referrer
$referrer=$_SERVER["SCRIPT_URI"];
 
// making string from $data
foreach($post_data as $key=>$value)
$values[]="$key=".urlencode($value);
 
$data_string=implode("&",$values);
// Find out which port is needed - if not given use standard (=80)
if(!isset($URL_Info["port"]))
$URL_Info["port"]=80;
// building POST-request:
$request.="POST ".$URL_Info["path"]." HTTP/1.1n";
$request.="Host: ".$URL_Info["host"]."n";
$request.="Referer: $referrern";
$request.="Content-type: application/x-www-form-urlencodedn";
$request.="Content-length: ".strlen($data_string)."n";
$request.="Connection: closen";
$request.="n";
$request.=$data_string."n";
$fp = fsockopen($URL_Info["host"],$URL_Info["port"]);
fputs($fp, $request);
while(!feof($fp)) {
    $result .= fgets($fp, 128);
}
fclose($fp);

$cache = new Cache();2、设置缓存时间和缓存目录

$cache = new Cache(60, '/any_other_path/');

$value = $cache->get('data_key');4、写入缓存

$value = $cache->put('data_key', 'data_value');完整实例：

$cache = new Cache();

//从缓存从读取键值 $key 的数据
$values = $cache->get($key);

//如果没有缓存数据
if ($values == false) {
 //insert code here...
 //写入键值 $key 的数据
 $cache->put($key, $values);
} else {
 //insert code here...
}
Cache.class.php

<?php
class Cache {
 private $cache_path;//path for the cache
 private $cache_expire;//seconds that the cache expires

 //cache constructor, optional expiring time and cache path
 public function Cache($exp_time=3600,$path="cache/"){
  $this->cache_expire=$exp_time;
  $this->cache_path=$path;
 }

 //returns the filename for the cache
 private function fileName($key){
  return $this->cache_path.md5($key);
 }

 //creates new cache files with the given data, $key== name of the cache, data the info/values to store
 public function put($key, $data){
  $values = serialize($data);
  $filename = $this->fileName($key);
  $file = fopen($filename, 'w');
     if ($file){//able to create the file
         fwrite($file, $values);
         fclose($file);
     }
     else return false;
 }

 //returns cache for the given key
 public function get($key){
  $filename = $this->fileName($key);
  if (!file_exists($filename) || !is_readable($filename)){//can't read the cache
   return false;
  }
  if ( time() < (filemtime($filename) + $this->cache_expire) ) {//cache for the key not expired
   $file = fopen($filename, "r");// read data file
         if ($file){//able to open the file
             $data = fread($file, filesize($filename));
             fclose($file);
             return unserialize($data);//return the values
         }
         else return false;
  }
  else return false;//was expired you need to create new
  }
}
?>

$open = fopen("template.htm","r"); //打开模板文件
$content = fread($open,filesize("template.htm")); //读取模板文件内容
//print_r($content);
$content = str_replace("{title}","测试标题",$content);//替换
$content = str_replace("{contents}","测试内容",$content);

$newtemp = fopen("1.htm","w");//生成,用写入方式打开一个不存在（新）的页面
fwrite($newtemp,$content);//将刚刚替换的内容写入新文件中
fclose($newtemp);
echo "生成";

//假设从数据库中调的数据存放在二维数组$arr中
$arr = array(array("新闻标题一","新闻内容一"),array("新闻标题二","新闻内容二")); 

foreach($arr as $key=>$value){
 $title = $value[0];
 $contents = $value[1];
 //echo $title.''.$contents.'';
 $path = $key.'.html';
 $open = fopen("template.htm","r"); //打开模板文件
 $handle = fread($open,filesize("template.htm")); //读取模板文件内容

 $content = str_replace("{title}",$title,$handle);//替换
 $content = str_replace("{contents}",$contents,$handle);

 $newtemp = fopen($path,"w");//用写入方式打开一个不存在（新）的页面
 fwrite($newtemp,$content);//将刚刚替换的内容写入新文件中
 fclose($newtemp);
 echo "生成";
}

<?php
   include('./phpqrcode/phpqrcode.php');
   // 二维码数据
   $data = 'http://gz.altmi.com';
   // 生成的文件名
   $filename = $errorCorrectionLevel.'|'.$matrixPointSize.'.png';
   // 纠错级别：L、M、Q、H
   $errorCorrectionLevel = 'L'; 
   // 点的大小：1到10
   $matrixPointSize = 4; 
   QRcode::png($data, $filename, $errorCorrectionLevel, $matrixPointSize, 2);

?>
 
# 创建一个二维码文件
QRcode::png('code data text', 'filename.png');
// creates file
 
# 生成图片到浏览器
QRcode::png('some othertext 1234');
// creates code image and outputs it directly into browser

$urlToEncode="http://gz.altmi.com";
generateQRfromGoogle($urlToEncode);
function generateQRfromGoogle($chl,$widhtHeight ='150',$EC_level='L',$margin='0')
{
    $url = urlencode($url); 
    echo '<img src="http://chart.apis.google.com/chart?chs='.$widhtHeight.'x'.$widhtHeight.'&cht=qr&chld='.$EC_level.'|'.$margin.'&chl='.$chl.'" alt="QR code" widhtHeight="'.$size.'" widhtHeight="'.$size.'"/>';
}