<?php
// +----------------------------------------------------------------------
// | PHP工具类
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Mike Shi <17693700@qq.com>
// +----------------------------------------------------------------------
namespace tool;
class Tool{
/**
* 接受表单数据
* @access public
* @param string $name 表单name
* @return string
*/
public function input($name){
return htmlspecialchars(trim($_REQUEST[$name]), ENT_COMPAT,'ISO-8859-1');
}
/**
* 通过curl获取图片保存到服务器
* @access public
* @param string $url 目标url
* @param string $upload_dir 图片保存地址
* @param string $filename 图片名称
* @param int $timeout 超时时间
* @return string
*/
public function saveImgCurl($url,$upload_dir,$filename,$timeout=''){
$ch=curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
$img=curl_exec($ch);
curl_close($ch);
$fp2=@fopen($upload_dir.'/'.$filename,'a');
fwrite($fp2,$img);
fclose($fp2);
unset($img,$url);
return $filename;
}
/**
* 图片上传处理
* @access public
* @param string $name 图片名表单的name值
* @param string $upload_dir 图片名存放的地址
* @param string $fname 图片名
* @return string
*/
public function uploadImage($name, $upload_dir, $fname=''){
$img = $_FILES[$name]['name'];
if($img!=""){
$img_temp = $_FILES[$name]['tmp_name'];
$temp_arrays = explode(".", $img);
$img_type = $temp_arrays[sizeof($temp_arrays)-1];
$img_type = strtolower($img_type);
if($img_type=="jpg" || $img_type=="jpeg" || $img_type=="gif" || $img_type=="png"){
if($fname==''){
$upfile_path = date('Ymdhis').mt_rand(10000,99999).".".$img_type;
} else {
$upfile_path = $fname;
}
if(file_exists($upload_dir)==false){
mkdir($upload_dir, 0777);
}
move_uploaded_file($img_temp, $upload_dir.$upfile_path);
//生成缩略图
//createThumbnail($upload_dir,$upfile_path);
} else {
senderror("图片格式不正确。");
}
}
return $upfile_path;
}
/**
* 生成缩略图
* @param string $path 目标路径
* @param string $filename 图片名
* @return void
*/
public function createThumbnail($path,$filename){
$thumbnail_path1="images_183";
$thumbnail_path=array($thumbnail_path1);
list($src_w,$src_h,$imagetype)=getimagesize($path."/".$filename);
$mime=image_type_to_mime_type($imagetype);
$createfun=str_replace("/","createfrom",$mime);
$outfun=str_replace("/",null,$mime);
$src_image=$createfun($path."/".$filename);
$dst_183_image=imagecreatetruecolor(183,140);
imagecopyresampled($dst_183_image, $src_image, 0, 0, 0, 0,183, 140, $src_w, $src_h);
for($i=0;$i<1;$i++){
if(!file_exists($path.'/'.$thumbnail_path[$i])){
mkdir($path.'/'.$thumbnail_path[$i],0777);
}
}
$outfun($dst_183_image,$path.'/'.$thumbnail_path1.'/'.$filename);
imagedestroy($src_image);
imagedestroy($dst_183_image);
}
/**
* 生成唯一标识
* @return string
*/
public function uniqeId(){
return md5(uniqid(rand(), TRUE));
}
/**
* 获取当前请求的时间
* @access public
* @param bool $float 是否使用浮点类型
* @return integer|float
*/
public function time($float = false){
return $float ? $_SERVER['REQUEST_TIME_FLOAT'] : $_SERVER['REQUEST_TIME'];
}
/**
* 运行js代码
* @param string $code js代码
* @return string
*/
public static function js($code) {
$js .= '<script type="text/javascript">';
$js .= $code;
$js .= '</script>';
echo $js;
}
/**
* 错误提示
* @param string $str 提示内容
* @return void
*/
public static function sendError($str) {
echo("<script>window.alert('发生错误：$str');window.history.back();</script>");
exit();
}
/**
* JS链接跳转
* @param string $url 目标url
* @param string $msg 跳转提示
* @return void
*/
public static function goUrl($url, $msg = '') {
if($msg!=''){
echo("<script>window.alert('$msg');window.top.location.replace('$url');</script>");
} else {
echo("<script>window.top.location.replace('$url');</script>");
}
exit();
}
/**
* 301重定向
* @param string $url 重定向的目标url
* @return void
*/
public static function http301($url) {
header('HTTP/1.1 301 Moved Permanently');
header('Location: '.$url);
exit;
}
/**
* 截取两字符中间的字符串
* @param string $arr 原字符
* @param string $startStr 起始字符
* @param string $endStr 结束字符
* @return string
*/
public static function subStr($str,$startStr,$endStr) {
$start_pos = strpos($str,$startStr)+strlen($startStr);
$endPos = strpos($str,$endStr);
$mediumStr = $endPos - $startPos;
$result = substr($str,$startPos,$mediumStr);
return $result;
}
/**
* 查看内容
* @param string $arr 需要查看的数组
* @return void
*/
public static function show($arr) {
echo '<pre>';
var_dump($arr);
echo '</pre>';
}
/**
* CURL传输
* @param string $url 需要传输的url字符
* @return boolean
*/
public static function httpsRequest($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($curl);
curl_close($curl);
return $output;
}
/**
* 带参数分页
* @param string $p 目标页码
* @return string
*/
public static function pageUrl($p){
//获取当前完整URL
$now_url = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
//将当前url分割为数组
$url_arr = parse_url($now_url);
//将url中的参数分割为数组
parse_str($url_arr['query'],$url_parameter);
//修改页码
$url_parameter['p'] = $p;
//拼合修改后的url
$url = $url_arr['scheme'].'://'.$url_arr['host'].$url_arr['path'].'?'.http_build_query($url_parameter);
return $url;
}
/**
* 防止sql注入
* @param string $str 需要检测的字符
* @return boolean
*/
public static function injectCheck($str) {
return preg_match('/select|insert|and|or|update|delete|\'|\/\*|\*|\.\.\/|\.\/|union|into|load_file|outfile/i', $str);
}
/**
* 生成MyISAM全文搜索字符
* @param string $str 需要生成的字符
* @return array
*/
public static function ftSplit($str){
$chars = array();
preg_match_all("/[a-zA-Z&]+/", $str, $out, PREG_SET_ORDER);
foreach ($out as &$v) {
$chars[] = $v[0];
}
preg_match_all("/[0-9]+/", $str, $out, PREG_SET_ORDER);
foreach ($out as &$v) {
$chars[] = $v[0];
}
preg_match_all("/[\x{4e00}-\x{9fa5}]/u", $str, $out, PREG_SET_ORDER);
foreach ($out as &$v) {
$chars[] = $v[0];
}
$chars = array_unique($chars);
return $chars;
}
/**
* 检测是否使用手机访问
* @access public
* @return bool
*/
public function isMobile(){
if (isset($_SERVER['HTTP_VIA']) && stristr($_SERVER['HTTP_VIA'], "wap")) {
return true;
} elseif (isset($_SERVER['HTTP_ACCEPT']) && strpos(strtoupper($_SERVER['HTTP_ACCEPT']), "VND.WAP.WML")) {
return true;
} elseif (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) {
return true;
} elseif (isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/(blackberry|configuration\/cldc|hp |hp-|htc |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker\/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda_)/i', $_SERVER['HTTP_USER_AGENT'])) {
return true;
} else {
return false;
}
}
/**
* 判断是否为手机设备
* @return boolean
*/
public static function isMobile(){
$_SERVER['ALL_HTTP'] = isset($_SERVER['ALL_HTTP']) ? $_SERVER['ALL_HTTP'] : '';
$mobile_browser = '0';
if(preg_match('/(up.browser|up.link|mmp|symbian|smartphone|midp|wap|phone|iphone|ipad|ipod|android|xoom)/i', strtolower($_SERVER['HTTP_USER_AGENT'])))
$mobile_browser++;
if((isset($_SERVER['HTTP_ACCEPT'])) and (strpos(strtolower($_SERVER['HTTP_ACCEPT']),'application/vnd.wap.xhtml+xml') !== false))
$mobile_browser++;
if(isset($_SERVER['HTTP_X_WAP_PROFILE']))
$mobile_browser++;
if(isset($_SERVER['HTTP_PROFILE']))
$mobile_browser++;
$mobile_ua = strtolower(substr($_SERVER['HTTP_USER_AGENT'],0,4));
$mobile_agents = array(
'w3c ','acs-','alav','alca','amoi','audi','avan','benq','bird','blac',
'blaz','brew','cell','cldc','cmd-','dang','doco','eric','hipt','inno',
'ipaq','java','jigs','kddi','keji','leno','lg-c','lg-d','lg-g','lge-',
'maui','maxo','midp','mits','mmef','mobi','mot-','moto','mwbp','nec-',
'newt','noki','oper','palm','pana','pant','phil','play','port','prox',
'qwap','sage','sams','sany','sch-','sec-','send','seri','sgh-','shar',
'sie-','siem','smal','smar','sony','sph-','symb','t-mo','teli','tim-',
'tosh','tsm-','upg1','upsi','vk-v','voda','wap-','wapa','wapi','wapp',
'wapr','webc','winw','winw','xda','xda-'
);
if(in_array($mobile_ua, $mobile_agents))
$mobile_browser++;
if(strpos(strtolower($_SERVER['ALL_HTTP']), 'operamini') !== false)
$mobile_browser++;
// Pre-final check to reset everything if the user is on Windows
if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows') !== false)
$mobile_browser=0;
// But WP7 is also Windows, with a slightly different characteristic
if(strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'windows phone') !== false)
$mobile_browser++;
if($mobile_browser>0)
return true;
else
return false;
}
}
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