简单实例php 缓存文件生成技术实例
class Cache
{
protected $_cacheDir;
public function __construct()
{
$this->_cacheDir = "./cache";
}
public function setCacheDir($cacheDir)
{
if(empty($cacheDir)){
$this->_cacheDir = $this->_cacheDir;
}else{
$this->_cacheDir = $cacheDir;
}
}
public function getCache($name)
{
$file_path = $this->_cacheDir.'/namma_cache-'.$name;
if(!file_exists($file_path))
{
return false;
}
$handle = @fopen($file_path,'rb');
$data = @fread($handle,filesize($file_path));
return $this->unformatData($data);
@flose($handle);
}
public function setCache($name,$data)
{
$file_path = $this->_cacheDir.'/namma_cache-'.$name;
$data = $this->formatData($data);
$fp = fopen($file_path, 'w');
fwrite($fp,$data);
fclose($fp);
return $file_path;
}
public function formatData($data)
{
return serialize($data);
}
public function unformatData($data)
{
return unserialize($data);
}
}
class newFold{
var $upload_dir=date("Y/m/d");
if(!is_dir($this->upload_dir)){
$this->mkdir_r($this->upload_dir,0777);
}
function mkdir_r($dirName, $rights=0777){
$dirs = explode('/', $dirName);
$dir='';
foreach ($dirs as $part) {
$dir.=$part.'/';
if (!is_dir($dir) && strlen($dir)>0)
mkdir($dir, $rights);
}
}
}
// 使用方法
$files = new newFold();
本站原创www.111cn.net
class SubPages{
private $each_disNums;//每页显示的条目数
private $nums;//总条目数
private $current_page;//当前被选中的页
private $sub_pages;//每次显示的页数
private $pageNums;//总页数
private $page_array = array();//用来构造分页的数组
private $subPage_link;//每个分页的链接
private $subPage_type;//显示分页的类型
/*
__construct是SubPages的构造函数,用来在创建类的时候自动运行.
@$each_disNums 每页显示的条目数
@nums 总条目数
@current_num 当前被选中的页
@sub_pages 每次显示的页数
@subPage_link 每个分页的链接
@subPage_type 显示分页的类型
当@subPage_type=1的时候为普通分页模式
example: 共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
当@subPage_type=2的时候为经典分页样式
example: 当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*/
function __construct($each_disNums,$nums,$current_page,$sub_pages,$subPage_link,$subPage_type){
$this->each_disNums=intval($each_disNums);
$this->nums=intval($nums);
if(!$current_page){
$this->current_page=1;
}else{
$this->current_page=intval($current_page);
}
$this->sub_pages=intval($sub_pages);
$this->pageNums=ceil($nums/$each_disNums);
$this->subPage_link=$subPage_link;
$this->show_SubPages($subPage_type); //调用show_SubPages函数
//echo $this->pageNums."--".$this->sub_pages;
}
function __destruct(){
unset($each_disNums);
unset($nums);
unset($current_page);
unset($sub_pages);
unset($pageNums);
unset($page_array);
unset($subPage_link);
unset($subPage_type);
}
/*
show_SubPages函数用在构造函数里面。而且用来判断显示什么样子的分页
*/
function show_SubPages($subPage_type){
if($subPage_type == 1){
$this->subPageCss1();
}elseif ($subPage_type == 2){
$this->subPageCss2();
}
}
/*
用来给建立分页的数组初始化的函数。
*/
function initArray(){
for($i=0;$i<$this->sub_pages;$i++){
$this->page_array[$i]=$i;
}
return $this->page_array;
}
/*
construct_num_Page该函数使用来构造显示的条目
即使:[1][2][3][4][5][6][7][8][9][10]
*/
function construct_num_Page(){
if($this->pageNums < $this->sub_pages){
$current_array=array();
for($i=0;$i<$this->pageNums;$i++){
$current_array[$i]=$i+1;
}
}else{
$current_array=$this->initArray();
if($this->current_page <= 3){
for($i=0;$i<count($current_array);$i++){
$current_array[$i]=$i+1;
}
}elseif ($this->current_page <= $this->pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1 ){
for($i=0;$i<count($current_array);$i++){
$current_array[$i]=($this->pageNums)-($this->sub_pages)+1+$i;
}
}else{
for($i=0;$i<count($current_array);$i++){
$current_array[$i]=$this->current_page-2+$i;
}
}
}
return $current_array;
}
/*
构造普通模式的分页
共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
*/
function subPageCss1(){
$subPageCss1Str="";
$subPageCss1Str.="共".$this->nums."条记录,";
$subPageCss1Str.="每页显示".$this->each_disNums."条,";
$subPageCss1Str.="当前第".$this->current_page."/".$this->pageNums."页 ";
if($this->current_page > 1){
$firstPageUrl=$this->subPage_link."1";
$prewPageUrl=$this->subPage_link.($this->current_page-1);
$subPageCss1Str.="[<a href='$firstPageUrl'>首页</a>] ";
$subPageCss1Str.="[<a href='$prewPageUrl'>上一页</a>] ";
}else {
$subPageCss1Str.="[首页] ";
$subPageCss1Str.="[上一页] ";
}
if($this->current_page < $this->pageNums){
$lastPageUrl=$this->subPage_link.$this->pageNums;
$nextPageUrl=$this->subPage_link.($this->current_page+1);
$subPageCss1Str.=" [<a href='$nextPageUrl'>下一页</a>] ";
$subPageCss1Str.="[<a href='$lastPageUrl'>尾页</a>] ";
}else {
$subPageCss1Str.="[下一页] ";
$subPageCss1Str.="[尾页] ";
}
echo $subPageCss1Str;
}
/*
构造经典模式的分页
当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
*//* 产品页用*/
function subPageCss2(){
$subPageCss2Str="";
//jason edit
//$subPageCss2Str.="<li class="text">当前第".$this->current_page."/".$this->pageNums."页 </li>";
if($this->current_page > 1){
$firstPageUrl=$this->subPage_link."1";
$prewPageUrl=$this->subPage_link.($this->current_page-1);
//$subPageCss2Str.="<li class="pre"><a href='$firstPageUrl'>首 页</a></li>";
$subPageCss2Str.="<li class="pre"><a href='$prewPageUrl'>上一页</a></li>";
}else {
//$subPageCss2Str.="<li class="prea">首 页</li> ";
$subPageCss2Str.="<li class="prea">上一页</li> ";
}
$a=$this->construct_num_Page();
for($i=0;$i<count($a);$i++){
$s = $a[$i];
if($s == $this->current_page ){
$subPageCss2Str.="<li class="num">".$s."</li>";
}else{
$url=$this->subPage_link.$s;
//echo $url;exit;
$subPageCss2Str.="<li class="num2"><a href='$url'>".$s."</a></li>";
//echo $subPageCss2Str;
}
}
//exit;
if($this->current_page < $this->pageNums){
$lastPageUrl=$this->subPage_link.$this->pageNums;
$nextPageUrl=$this->subPage_link.($this->current_page+1);
$subPageCss2Str.=" <li class="next"><a href='$nextPageUrl'>下一页</a></li> ";
//$subPageCss2Str.="<li class="next"><a href='$lastPageUrl'>尾 页</a></li> ";
}else {
$subPageCss2Str.="<li class="nexta">下一页</li>";
//$subPageCss2Str.="<li class="nexta">尾 页</li> ";
}
echo $subPageCss2Str;
}
}
<?php
class Shtml{
var $DataSource; //array
var $Templet; //string
var $FileName;
//绑定数据源
function BindData($arr){
$this->DataSource = $arr;
}
function Create(){
//只谈思路,自己写:
$tmp = $this->Templet;
foreach($this->DataSource as $key=>$value){
//替换模板字符串中<FIELD_$key> 的字符串
$tmp = str_replace('<FIELD_'.$key.'>',$value,$tmp);
}
//生成文件,存盘。
$fp = fopen($this->FileName,'w');
if (fwrite ($fp,$tmp)){
fclose ($fp);
}else {
fclose ($fp);
}
}
}
//用法:
/*$arr = array();
$arr["title"] = "这里是标题";
$arr["content"] = "这里是内容";
$obj = new Shtml;
$obj->FileName="xxx.htm";
$obj->Templet="标题:<FIELD_title>内容:<FIELD_content>";
$obj->BindData($arr);
//一切OK,万事达吉
$obj->Create();*/
?>
class smtp
{
/* Public Variables */
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
/* Private Variables */
var $sock;
/* Constractor */
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
{
$this->debug = FALSE;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 30; //is used in fsockopen()
$this->auth = $auth;//auth
$this->user = $user;
$this->pass = $pass;
$this->host_name = "localhost"; //is used in HELO command
$this->log_file = "";
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from ,$fromname, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = ""){
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|( ))(.)", ".", $body);
$header .= "MIME-Version:1.0 ";
if($mailtype=="HTML"){
$header .= "Content-Type:text/html;charset=utf-8 ";
}
$header .= "To: ".$to." ";
if ($cc != ""){
$header .= "Cc: ".$cc." ";
}
$header .= "From: $fromname<".$fromname."> ";
$header .= "Subject: ".$subject." ";
$header .= $additional_headers;
$header .= "Date: ".date("r")." ";
$header .= "X-Mailer:By Redhat (PHP/".php教程version().") ";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from."> ";
$TO = explode(",", $this->strip_comment($to));
if ($cc != ""){
$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
}
if ($bcc != ""){
$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
}
$sent = TRUE;
foreach ($TO as $rcpt_to){
$rcpt_to = $this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to)){
$this->log_write("Error: Cannot send email to ".$rcpt_to." ");
$sent = FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)){
$this->log_write("E-mail has been sent to <".$rcpt_to."> ");
}else{
$this->log_write("Error: Cannot send email to <".$rcpt_to."> ");
$sent = FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host ");
}
return $sent;
}
/* Private Functions */
function smtp_send($helo, $from, $to, $header, $body = ""){
if (!$this->smtp_putcmd("HELO", $helo)){
return $this->smtp_error("sending HELO command");
}
#auth
if($this->auth){
if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))){
return $this->smtp_error("sending HELO command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass))){
return $this->smtp_error("sending HELO command");
}
}
if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")){
return $this->smtp_error("sending MAIL FROM command");
}
if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")){
return $this->smtp_error("sending RCPT TO command");
}
if (!$this->smtp_putcmd("DATA")){
return $this->smtp_error("sending DATA command");
}
if (!$this->smtp_message($header, $body)){
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom()){
return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if (!$this->smtp_putcmd("QUIT")){
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address){
if ($this->relay_host == ""){
return $this->smtp_sockopen_mx($address);
}
else{
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay(){
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port." ");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())){
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host." ");
$this->log_write("Error: ".$errstr." (".$errno.") ");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host." ");
return TRUE;;
}
function smtp_sockopen_mx($address){
$domain = ereg_replace("^.+@([^@]+)$", "", $address);
if (!@getmxrr($domain, $MXHOSTS)){
$this->log_write("Error: Cannot resolve MX "".$domain."" ");
return FALSE;
}
foreach ($MXHOSTS as $host){
$this->log_write("Trying to ".$host.":".$this->smtp_port." ");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())){
$this->log_write("Warning: Cannot connect to mx host ".$host." ");
$this->log_write("Error: ".$errstr." (".$errno.") ");
continue;
}
$this->log_write("Connected to mx host ".$host." ");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).") ");
return FALSE;
}
function smtp_message($header, $body){
fputs($this->sock, $header." ".$body);
$this->smtp_debug("> ".str_replace(" ", " "."> ", $header." > ".$body." > "));
return TRUE;
}
function smtp_eom(){
fputs($this->sock, " . ");
$this->smtp_debug(". [EOM] ");
return $this->smtp_ok();
}
function smtp_ok(){
$response = str_replace(" ", "", fgets($this->sock, 512));
$this->smtp_debug($response." ");
if (!ereg("^[23]", $response)){
fputs($this->sock, "QUIT ");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned "".$response."" ");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = ""){
if($arg != ""){
if($cmd==""){
$cmd = $arg;
}
else{
$cmd = $cmd." ".$arg;
}
}
fputs($this->sock, $cmd." ");
$this->smtp_debug("> ".$cmd." ");
return $this->smtp_ok();
}
function smtp_error($string){
$this->log_write("Error: Error occurred while ".$string.". ");
return FALSE;
}
function log_write($message){
$this->smtp_debug($message);
if ($this->log_file == ""){
return TRUE;
}
$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))){
$this->smtp_debug("Warning: Cannot open log file "".$this->log_file."" ");
return FALSE;;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address){//去除"()"
$comment = "([^()]*)";
while (ereg($comment, $address)){
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address){
$address = ereg_replace("([ ])+", "", $address);// 制表符 回车符 换行符 +匹配前面的子表达式一次或多次
$address = ereg_replace("^.*<(.+)>.*$", "", $address);
return $address;
}
function smtp_debug($message){
if ($this->debug){
echo $message;
}
}
}
相关文章
- 本文介绍两种使用 php 生成二维码的方法。 (1)利用google生成二维码的开放接口,代码如下: /** * google api 二维码生成【QRcode可以存储最多4296个字母数字类型的任意文本,具体可以查看二维码数据格式】 * @param strin...2015-10-21
- 这篇文章主要介绍了Java生成随机姓名、性别和年龄的实现示例,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧...2020-10-01
- 这篇文章主要介绍了C#生成随机数功能,涉及C#数学运算与字符串操作相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下...2020-06-25
- 关于生成唯一数字ID的问题,是不是需要使用rand生成一个随机数,然后去数据库查询是否有这个数呢?感觉这样的话有点费时间,有没有其他方法呢?当然不是,其实有两种方法可以解决。 1. 如果你只用php而不用数据库的话,那时间戳+随...2015-11-24
- 下面小编就为大家带来一篇jQuery为动态生成的select元素添加事件的方法。小编觉得挺不错的,现在就分享给大家,也给大家做个参考。一起跟随小编过来看看吧...2016-09-01
OPPO R9s如何开启Real原声技术?OPPO R9s开启Real原声技术教程
本篇文章介绍了OPPO R9s如何开启Real原声技术的方法,有需要的小伙伴可以进来看一看。 OPPO R9s如何开启Real原声技术?Real原声技术是R9s自带的音质提升技术,开启之后...2016-12-31- 经常制作开发不同的网站的后台,写过很多种不同的后台导航写法。 最终积累了这种最写法,算是最好的吧...2013-09-29
- js生成随机数主要用到了内置的Math对象的random()方法。用法如:Math.random()。它返回的是一个 0 ~ 1 之间的随机数。有了这么一个方法,那生成任意随机数就好理解了。比如实际中我们可能会有如下的需要: (1)生成一个 0 - 1...2015-10-21
- 验证码是一个现在WEB2.0中常见的一个功能了,像注册、登录又或者是留言页面,都需要注册码来验证当前操作者的合法性,我们会看到有些网站没有验证码,但那是更高级的验证了,...2016-11-25
- 复制代码 代码如下:function getTagStyle(){ $minFontSize=8; //最小字体大小,可根据需要自行更改 $maxFontSize=18; //最大字体大小,可根据需要自行更改 return 'font-size:'.($minFontSize+lcg_value()*(abs($maxFo...2013-10-04
- 下面小编就为大家带来一篇JS生成某个范围的随机数【四种情况详解】。小编觉得挺不错的,现在分享给大家,也给大家做个参考,一起跟随小编过来看看吧...2016-04-22
- 解决办法:$str=”QB”.str_pad(($maxid[0]["max(id)"]+1),5,”0″,STR_PAD_LEFT ); 其中$maxid[0]["max(id)"]+1) 是利用max函数从数据库中找也ID最大的一个值, ID为主键,不会重复。 str_pad() 函数把字符串填充为指...2013-10-04
- 这篇文章主要介绍了C#生成Word文档代码示例,本文直接给出代码实例,需要的朋友可以参考下...2020-06-25
- 本文主要介绍了Vue组件文档生成工具库的方法,文中通过示例代码介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们可以参考一下...2021-08-11
- 这篇文章主要介绍了PHP简单实现生成txt文件到指定目录的方法,简单对比分析了PHP中fwrite及file_put_contents等函数的使用方法,需要的朋友可以参考下...2016-04-28
- 这篇文章主要介绍了史上最简洁C# 生成条形码图片思路及示例分享,需要的朋友可以参考下...2020-06-25
- $doc = new domdocument('1.0'); // we want a nice output $doc->formatoutput = true; 代码如下 复制代码 $root = $doc->createelement('bo...2016-11-25
- PHPWord是一个可以把相关文件生成word文档的插件了,但由于是老外开发的对于gbk支持不好,所以我们在导出带有中文的word时会出现乱码问题,下面本文就PHPWord中文乱码问题...2016-11-25
- 注意:以下代码需要打开php教程的gd库,修改php.in文件的配置,把已经注释掉的行之前的分号取消即可:extension=php_gd2.dll。 $width = 165; $height = 120; ...2016-11-25
- 这篇文章主要介绍了用Java生成二维码并附带文字信息,文中有非常详细的代码示例,对正在学习java的小伙伴们有非常好的帮助,需要的朋友可以参考下...2021-04-29