当前位置: 首页 > 图文教程 > 网络编程 > PHP > php 无限级缓存的类的扩展

PHP
linux php mysql数据库备份实现代码
php mssql 日期出现中文字符的解决方法
PHP中查询SQL Server或Sybase时TEXT字段被截断的解决方法
php 动态添加记录
php 结果集的分页实现代码
php执行sql语句的写法
php连接mysql数据库代码
php 表单验证实现代码
php URL编码解码函数代码
php 表单数据的获取代码
php 异常处理实现代码
php 删除记录实现代码
php 获取mysql数据库信息代码
PHP 文件类型判断代码
解决163/sohu/sina不能够收到PHP MAIL函数发出邮件的问题
php session 预定义数组
php session 检测和注销
php session处理的定制
php session应用实例 登录验证
php cookis创建实现代码

PHP 中的 php 无限级缓存的类的扩展


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 162 ::
收藏到网摘: n/a

根据条件建立分类缓存减少类别使用

复制代码 代码如下:

<?php
/**
* 功能: 根据条件建立分类缓存减少类别使用
* 创建日期:Thu May 31 15:55:11 CST 2007
* 最后更新:
* 作者: sanshi <[email protected]>
*/
class treeCache
{
var $tableName = "index_category"; //表名
var $where = "1"; //where条件
var $pidStr ="i_c_pid"; //pid 的字段名
var $tempCode = array(); //生成文件的数组
var $pid = '0'; //pid的初始值
var $db ; //数据库句柄
var $idStr="i_c_id"; //取得的数据id
var $title = "i_c_cn"; //名字字段
var $createArrayName = "treeCache"; //建立的数组名字
var $createFileName =""; //建立文件的名字
var $appendArr = array(); //附加的属性,需要字段名与数据里的名对应
var $is_utf8 = false;
function treeCache()
{
}
function set($db)
{
$this->db = $db;
$this->tempCode[] = "<?php";
}
//取得所有的一级
function getRootID()
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$this->pid}' AND {$this->where} ";
//exit($sql);
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
$this->tempCode[] = "\${$this->createArrayName}['root']='".implode(',',$temp)."';";
//print_r($temp);
return $temp;
}
//取得子id
function getChildren($pid)
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$pid}' AND {$this->where} ";
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
return $temp;
}
//取得夫id
function getParent($cid)
{
$sql = "SELECT {$this->pidStr} FROM {$this->tableName} WHERE
{$this->idStr}='{$cid}' AND {$this->where} ";
$result = $this->db->select($sql);
//print_r($result);exit();
return $result[0]["{$this->pidStr}"];
}
//取得上级的id
function getPidStr($cid,$pidStr="")
{
$pid=$this->getParent($cid);
$temp = array();
while ($pid!=$this->pid && !emptyempty($pid)) {
$temp[] = $pid;
$pid=$this->getParent($pid);
}
//print_r($temp);
return implode(',',$temp);
}
//取得深度
function getDepth($cid,$depth=0)
{
$pid=$this->getParent($cid);
$depth++;
if( $pid != $this->pid && !emptyempty($pid))
$depth = $this->getDepth($pid,$depth);
return $depth;
}
//建立文件
function make()
{
if(emptyempty($this->createFileName))
$this->createFileName = "{$this->createArrayName}.data.php";
$rootArr = $this->getRootID();
$selectF = "{$this->idStr},{$this->title},{$this->pidStr}";
foreach ($this->appendArr as $app)
{
if(emptyempty($app)) continue;
$selectF .=",{$app}";
}
$sql = "SELECT {$selectF} FROM {$this->tableName} WHERE
{$this->where}";
$result = $this->db->select($sql);
for ($i=0;$i<count($result);$i++)
{
//id值
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['id']='{$result[$i]["{$this->idStr}"]}';";
//标题
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['title']='{$result[$i]["{$this->title}"]}';";
//父id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pid']='{$result[$i]["{$this->pidStr}"]}';";
//子id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['cid']='".implode(',',$this->getChildren($result[$i]["$this->idStr"]))."';";
//目录深度
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['depth']='".$this->getDepth($result[$i]["$this->idStr"])."';";
//父id的id串
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pstr']='".$this->getPidStr($result[$i]["$this->idStr"])."';";
//添加的附加属性
foreach ($this->appendArr as $app)
{
if(emptyempty($app)) continue;
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['{$app}']='{$result[$i]["{$app}"]}';";
}
}
$this->tempCode[] = "return \${$this->createArrayName};";
$this->tempCode[] = "?>";
//$content = implode("\n",$this->tempCode);
//print_r($this->tempCode);
$content = implode("\n",$this->tempCode);
//建立文件
$fio=Factory::getBaseClass('FileIO');
if($this->is_utf8) $content = "\xEF\xBB\xBF".$content;
$fio->writeFile($this->createFileName,$content);
return $content ;
}
}
//加载的文件就是为了,数据库连接
//需要数据库有 select 方法
/*
include_once(dirname(dirname(__FILE__))."/config/config.inc.php");
include_once(CLASSES_PATH."factryObject.class.php");
$db = factryObject::getDB('indexPush');
$c = new treeCache($db);
$c->make();
//exit();
//做分析
include_once("treeCache.data.php");
$treeCache=isset($treeCache) ? $treeCache : array();
$rootStr = isset($treeCache['root']) ? $treeCache['root'] : "";
echo parseTree($treeCache,$rootStr);
function parseTree($treeCache,$rootStr)
{
$tempStr = "";
$temp = explode(',',$rootStr);
foreach ($temp AS $cid)
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
$tempStr .= str_repeat('-',($info['depth']-1)*3);
$tempStr.=$info['title'];
if(empty($info['pid']))
{
//附加操作
}
$tempStr .= "<br/>";
if(!empty($info['cid']))
$tempStr .=parseTree($treeCache,$info['cid']);
}
return $tempStr;
}
*/
?>
<?php
/**
* 功能: 根据条件建立分类缓存减少类别使用
* 创建日期:Thu May 31 15:55:11 CST 2007
* 最后更新:
* 作者: sanshi <[email protected]>
*/
class treeCache
{
var $tableName = "index_category"; //表名
var $where = "1"; //where条件
var $pidStr ="i_c_pid"; //pid 的字段名
var $tempCode = array(); //生成文件的数组
var $pid = '0'; //pid的初始值
var $db ; //数据库句柄
var $idStr="i_c_id"; //取得的数据id
var $title = "i_c_cn"; //名字字段
var $createArrayName = "treeCache"; //建立的数组名字
var $createFileName =""; //建立文件的名字
var $appendArr = array(); //附加的属性,需要字段名与数据里的名对应
var $is_utf8 = false;
function treeCache()
{
}
function set($db)
{
$this->db = $db;
$this->tempCode[] = "<?php";
}
//取得所有的一级
function getRootID()
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$this->pid}' AND {$this->where} ";
//exit($sql);
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
$this->tempCode[] = "\${$this->createArrayName}['root']='".implode(',',$temp)."';";
//print_r($temp);
return $temp;
}
//取得子id
function getChildren($pid)
{
$sql = "SELECT {$this->idStr} FROM {$this->tableName} WHERE
{$this->pidStr}='{$pid}' AND {$this->where} ";
$result = $this->db->select($sql);
$temp = array();
foreach ($result as $r)
{
$temp[]=$r["{$this->idStr}"];
}
return $temp;
}
//取得夫id
function getParent($cid)
{
$sql = "SELECT {$this->pidStr} FROM {$this->tableName} WHERE
{$this->idStr}='{$cid}' AND {$this->where} ";
$result = $this->db->select($sql);
//print_r($result);exit();
return $result[0]["{$this->pidStr}"];
}
//取得上级的id
function getPidStr($cid,$pidStr="")
{
$pid=$this->getParent($cid);
$temp = array();
while ($pid!=$this->pid && !empty($pid)) {
$temp[] = $pid;
$pid=$this->getParent($pid);
}
//print_r($temp);
return implode(',',$temp);
}
//取得深度
function getDepth($cid,$depth=0)
{
$pid=$this->getParent($cid);
$depth++;
if( $pid != $this->pid && !empty($pid))
$depth = $this->getDepth($pid,$depth);
return $depth;
}
//建立文件
function make()
{
if(empty($this->createFileName))
$this->createFileName = "{$this->createArrayName}.data.php";
$rootArr = $this->getRootID();
$selectF = "{$this->idStr},{$this->title},{$this->pidStr}";
foreach ($this->appendArr as $app)
{
if(empty($app)) continue;
$selectF .=",{$app}";
}
$sql = "SELECT {$selectF} FROM {$this->tableName} WHERE
{$this->where}";
$result = $this->db->select($sql);
for ($i=0;$i<count($result);$i++)
{
//id值
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['id']='{$result[$i]["{$this->idStr}"]}';";
//标题
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['title']='{$result[$i]["{$this->title}"]}';";
//父id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pid']='{$result[$i]["{$this->pidStr}"]}';";
//子id
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['cid']='".implode(',',$this->getChildren($result[$i]["$this->idStr"]))."';";
//目录深度
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['depth']='".$this->getDepth($result[$i]["$this->idStr"])."';";
//父id的id串
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['pstr']='".$this->getPidStr($result[$i]["$this->idStr"])."';";
//添加的附加属性
foreach ($this->appendArr as $app)
{
if(empty($app)) continue;
$this->tempCode[] =
"\${$this->createArrayName}['{$result[$i][$this->idStr]}']['{$app}']='{$result[$i]["{$app}"]}';";
}
}
$this->tempCode[] = "return \${$this->createArrayName};";
$this->tempCode[] = "?>";
//$content = implode("\n",$this->tempCode);
//print_r($this->tempCode);
$content = implode("\n",$this->tempCode);
//建立文件
$fio=Factory::getBaseClass('FileIO');
if($this->is_utf8) $content = "\xEF\xBB\xBF".$content;
$fio->writeFile($this->createFileName,$content);
return $content ;
}
}
//加载的文件就是为了,数据库连接
//需要数据库有 select 方法
/*
include_once(dirname(dirname(__FILE__))."/config/config.inc.php");
include_once(CLASSES_PATH."factryObject.class.php");
$db = factryObject::getDB('indexPush');
$c = new treeCache($db);
$c->make();
//exit();
//做分析
include_once("treeCache.data.php");
$treeCache=isset($treeCache) ? $treeCache : array();
$rootStr = isset($treeCache['root']) ? $treeCache['root'] : "";
echo parseTree($treeCache,$rootStr);
function parseTree($treeCache,$rootStr)
{
$tempStr = "";
$temp = explode(',',$rootStr);
foreach ($temp AS $cid)
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
$tempStr .= str_repeat('-',($info['depth']-1)*3);
$tempStr.=$info['title'];
if(empty($info['pid']))
{
//附加操作
}
$tempStr .= "<br/>";
if(!empty($info['cid']))
$tempStr .=parseTree($treeCache,$info['cid']);
}
return $tempStr;
}
*/
?>
这个类是改善过的,当初做这个的适合,只能是数字的作为数组下标,这次支持字母了
另外就是关于解析
view plaincopy to clipboardprint?
<?php
class parseTree
{
var $ads_type_file = "";
var $isX = false;
var $rowSize=2;
function parseTree()
{
$this->ads_type_file = CACHE_PATH."ads_type_arr.data.php";
$this->ads_city_file = CACHE_PATH."ads_city_arr.data.php";
}
function make_ads_type()
{
$db = Factory::getDB("ads_type");
$tree =Factory::getItemClass('treeCache');
$tree->set($db);
$tree->tableName=$db->tableName;
$tree->pidStr ="ads_type_pid";
$tree->idStr = "ads_type_id";
$tree->title = "ads_type_name";
$tree->createArrayName ="ads_type_arr";
$tree->where = " ads_type_state=1 ORDER BY ads_type_id DESC ";
$tree->appendArr = array("ads_type_info");
$tree->createFileName = $this->ads_type_file;
$tree->is_utf8 = true;
return $tree->make();
}
function get_ads_type_str()
{
$temp_arr = $this->get_ads_type_arr();
$treeArr = emptyempty($temp_arr) ? array() : $temp_arr;
$rootStr = isset($temp_arr['root']) ? $temp_arr['root'] : "";
$show_content = $this->__parseTree($treeArr,$rootStr,'pares_type_link');
return $show_content;
}
function get_ads_type_arr()
{
return is_file($this->ads_type_file) ? require($this->ads_type_file) : array();
}
function pares_type_link($info)
{
$class_name = "ads_type";
$tempStr = "[<a href="?c={$class_name}&m=add&ads_type_pid={$info[" href="?c={$class_name}&m=add&ads_type_pid={$info["id']}'>子-添加</a>]";
$tempStr .="[<a href="?c={$class_name}&m=edit&ads_type_id={$info[" href="?c={$class_name}&m=edit&ads_type_id={$info["id']}'>编辑</a>]";
$tempStr .="[<a href="?c={$class_name}&m=del&ads_type_id={$info[" href="?c={$class_name}&m=del&ads_type_id={$info["id']}'>删除</a>]";
return $tempStr;
}
//根据提供的类别号取得类别数组
function get_type_arr($type_no=0)
{
$temp_arr = $this->get_ads_type_arr();
$rootStr = $type_no==0 ? (isset($temp_arr['root'])?$temp_arr['root'] : "") : (isset($temp_arr[$type_no]['cid'])?$temp_arr[$type_no]['cid']:"");
$temp = explode(',',$rootStr);
$return_temp = array();
foreach($temp as $cid)
{
if(isset($temp_arr[$cid])) $return_temp[$temp_arr[$cid]['id']]=$temp_arr[$cid]['title'];
}
return $return_temp;
}
function make_ads_city()
{
$db = Factory::getDB("ads_city");
$tree =Factory::getItemClass('treeCache');
$tree->set($db);
$tree->tableName=$db->tableName;
$tree->pidStr ="ads_city_pid";
$tree->idStr = "ads_city_no";
$tree->title = "ads_city_name";
$tree->createArrayName ="ads_city_arr";
$tree->where = " ads_city_state=1 ORDER BY ads_city_no DESC ";
$tree->appendArr = array("ads_city_info");
$tree->createFileName = $this->ads_city_file;
$tree->is_utf8 = true;
return $tree->make();
}
function get_ads_city_arr()
{
return is_file($this->ads_city_file) ? require($this->ads_city_file) : array();
}
function get_ads_city_str()
{
$temp_arr = $this->get_ads_city_arr();
$treeArr = emptyempty($temp_arr) ? array() : $temp_arr;
$rootStr = isset($temp_arr['root']) ? $temp_arr['root'] : "";
$show_content = $this->__parseTree($treeArr,$rootStr,'pares_city_link');
return $show_content;
}
function pares_city_link($info)
{
$class_name = "ads_city";
$tempStr = "[<a href="?c={$class_name}&m=add&ads_city_pid={$info[" href="?c={$class_name}&m=add&ads_city_pid={$info["id']}'>子-添加</a>]";
$tempStr .="[<a href="?c={$class_name}&m=edit&ads_city_no={$info[" href="?c={$class_name}&m=edit&ads_city_no={$info["id']}'>编辑</a>]";
$tempStr .="[<a href="?c={$class_name}&m=del&ads_city_no={$info[" href="?c={$class_name}&m=del&ads_city_no={$info["id']}'>删除</a>]";
return $tempStr;
}
//根据提供的城市号取得城市数组
function get_city_arr($city_no=0)
{
$temp_arr = $this->get_ads_city_arr();
$rootStr = $city_no==0 ? (isset($temp_arr['root'])?$temp_arr['root'] : "") : (isset($temp_arr[$city_no])?$temp_arr[$city_no]:"");
$temp = explode(',',$rootStr);
$return_temp = array();
foreach($temp as $cid)
{
if(isset($temp_arr[$cid])) $return_temp[$temp_arr[$cid]['id']]=$temp_arr[$cid]['title'];
}
return $return_temp;
}
function __parseTree($treeCache,$rootStr,$fuc_str)
{
$tempStr = "";
$temp = explode(',',$rootStr);
if(emptyempty($temp)) return "";
$this->layer=0;
foreach ($temp AS $cid)
{
if(isset($treeCache[$cid]))
{
$info = $treeCache[$cid];
$cidStr = $info['cid'];
//如果下面有子id
if($info["cid"]!="")
{
$tempStr .="<div >";
$tempStr .= str_repeat(' ',($info['depth']-1)*3);
if($info["cid"]!="")
{
//$tempStr .="<img src="/upload/tech/20091012/20091012020835_e555ebe0ce426f7f9b2bef0706315e0c.jpg" src="/upload/tech/20091012/20091012020835_df6d2338b2b8fce1ec2f6dda0a630eb0.jpg" style="cursor:hand;" style="cursor:hand;" onClick='javascript:ShowMenu(\"l_{$info['id']}\");' id='pic_l_{$info['id']}'>";
}
//$tempStr .=">";
$tempStr.=$info['title'];
$tempStr .=$this->{$fuc_str}($info);
$tempStr .="</div>";
$tempStr .="<div id='l_{$info['id']}' >";
$tempStr .= $this->__parseTree($treeCache,$info['cid'],$fuc_str);
$tempStr .="</div>";
}else{
$this->layer++;
$tempStr .= str_repeat(' ',($info['depth']-1)*3);
$tempStr.=$info['title'];
$tempStr .=$this->{$fuc_str}($info);
if($this->isX==true)
{
if($this->layer % $this->rowSize ==0)
$tempStr .= "<br/>";
else
$tempStr .= " ";
}else{
$tempStr .= "<br/>";
}
}
}
}
return $tempStr;
}
}
?>