一区二区久久-一区二区三区www-一区二区三区久久-一区二区三区久久精品-麻豆国产一区二区在线观看-麻豆国产视频

PHP 中的一些經驗積累

作者:snowai 

最近剛剛完成手中的項目,比較閑。來這兒轉轉,把積累的一些技巧分享給大家!
1、關于php重定向
方法一:header("Location: index.php");
方法二:echo "<script>window.location =/"$php_SELF/";</script>";
方法三:echo "<META HTTP-EQUIV=/"Refresh/" CONTENT=/"0; URL=index.php/">";

2、獲取訪問者瀏覽器

php>function browse_infor()
{
$browser=";$browserver=";
$Browsers =array("Lynx","MOSAIC","AOL","Opera","Java","MacWeb","WebExplorer","OmniWeb");
$Agent = $GLOBALS["HTTP_USER_AGENT"];
for ($i=0; $i<=7; $i++)
{
if (strpos($Agent,$Browsers[$i]))
{
$browser = $Browsers[$i];
$browserver =";
}
}
if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[0];
$temp =explode("/", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver); $browserver=$temp[0];
$browserver =preg_replace("/([/d/.]+)/","/1",$browserver);
$browserver = " $browserver";
$browser = "NETscape Navigator";
}
if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
{
$temp =explode("(", $Agent); $Part=$temp[1];
$temp =explode(")", $Part); $browserver=$temp[1];
$temp =explode(" ",$browserver);$browserver=$temp[2];
$browserver =preg_replace("/([/d/.]+)/","/1",$browserver);
$browserver = " $browserver";
$browser = "Opera";
}
if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
{
$temp = explode("(", $Agent); $Part=$temp[1];
$temp = explode(";",$Part); $Part=$temp[1];
$temp = explode(" ",$Part);$browserver=$temp[2];
$browserver =preg_replace("/([/d/.]+)/","/1",$browserver);
$browserver = " $browserver";
$browser = "InterNET Explorer";
}
if ($browser!=")
{
$browseinfo = "$browser$browserver";
}
else
{
$browseinfo = "Unknown";
}
return $browseinfo;
}
//調用方法$browser=browseinfo() ;直接返回結果



3、獲取訪問者操作系統

php>function osinfo() {
$os=";
$Agent = $GLOBALS["HTTP_USER_AGENT"];
if (eregi('win',$Agent) && strpos($Agent, '95')) {
$os="Windows 95";
}
elseif (eregi('win 9x',$Agent) && strpos($Agent, '4.90')) {
$os="Windows ME";
}
elseif (eregi('win',$Agent) && ereg('98',$Agent)) {
$os="Windows 98";
}
elseif (eregi('win',$Agent) && eregi('nt 5/.0',$Agent)) {
$os="Windows 2000";
}
elseif (eregi('win',$Agent) && eregi('nt',$Agent)) {
$os="Windows NT";
}
elseif (eregi('win',$Agent) && eregi('nt 5/.1',$Agent)) {
$os="Windows XP";
}
elseif (eregi('win',$Agent) && ereg('32',$Agent)) {
$os="Windows 32";
}
elseif (eregi('linux',$Agent)) {
$os="Linux";
}
elseif (eregi('unix',$Agent)) {
$os="Unix";
}
elseif (eregi('sun',$Agent) && eregi('os',$Agent)) {
$os="SunOS";
}
elseif (eregi('ibm',$Agent) && eregi('os',$Agent)) {
$os="IBM OS/2";
}
elseif (eregi('Mac',$Agent) && eregi('PC',$Agent)) {
$os="Macintosh";
}
elseif (eregi('PowerPC',$Agent)) {
$os="PowerPC";
}
elseif (eregi('AIX',$Agent)) {
$os="AIX";
}
elseif (eregi('HPUX',$Agent)) {
$os="HPUX";
}
elseif (eregi('NETBSD',$Agent)) {
$os="NETBSD";
}
elseif (eregi('BSD',$Agent)) {
$os="BSD";
}
elseif (ereg('OSF1',$Agent)) {
$os="OSF1";
}
elseif (ereg('IRIX',$Agent)) {
$os="IRIX";
}
elseif (eregi('FreeBSD',$Agent)) {
$os="FreeBSD";
}
if ($os=='') $os = "Unknown";
return $os;
}
//調用方法$os=os_infor() ;



4、文件格式類

php>$mime_types = array(
'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'jpeg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'bmp' => 'image/bmp',
'png' => 'image/png',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'pict' => 'image/x-pict',
'pic' => 'image/x-pict',
'pct' => 'image/x-pict',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'psd' => 'image/x-photoshop',

'swf' => 'application/x-shockwave-flash',
'js' => 'application/x-Javascript',
'pdf' => 'application/pdf',
'ps' => 'application/postscript',
'eps' => 'application/postscript',
'ai' => 'application/postscript',
'wmf' => 'application/x-msmetafile',

'css' => 'text/css',
'htm' => 'text/html',
'html' => 'text/html',
'txt' => 'text/plain',
'xml' => 'text/xml',
'wml' => 'text/wml',
'wbmp' => 'image/vnd.wap.wbmp',

'mid' => 'audio/midi',
'wav' => 'audio/wav',
'mp3' => 'audio/mpeg',
'mp2' => 'audio/mpeg',

'avi' => 'video/x-msvideo',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',

'lha' => 'application/x-lha',
'lzh' => 'application/x-lha',
'z' => 'application/x-compress',
'gtar' => 'application/x-gtar',
'gz' => 'application/x-gzip',
'gzip' => 'application/x-gzip',
'tgz' => 'application/x-gzip',
'tar' => 'application/x-tar',
'bz2' => 'application/bzip2',
'zip' => 'application/zip',
'arj' => 'application/x-arj',
'rar' => 'application/x-rar-compressed',

'hqx' => 'application/mac-binhex40',
'sit' => 'application/x-stuffit',
'bin' => 'application/x-macbinary',

'uu' => 'text/x-uuencode',
'uue' => 'text/x-uuencode',

'latex'=> 'application/x-latex',
'ltx' => 'application/x-latex',
'tcl' => 'application/x-tcl',

'pgp' => 'application/pgp',
'asc' => 'application/pgp',
'exe' => 'application/x-msdownload',
'doc' => 'application/msword',
'rtf' => 'application/rtf',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'mdb' => 'application/x-msaccess',
'wri' => 'application/x-mswrite',
);


5、php生成excel文檔

php>
<?
header("Content-type:application/vnd.ms-excel");
header("Content-Disposition:filename=test.xls");
echo "test1/t";
echo "test2/t/n";
echo "test1/t";
echo "test2/t/n";
echo "test1/t";
echo "test2/t/n";
echo "test1/t";
echo "test2/t/n";
echo "test1/t";
echo "test2/t/n";
echo "test1/t";
echo "test2/t/n";
?>
//改動相應文件頭就可以輸出.doc .xls等文件格式了


6、時間比較問題
舉一個簡單例子說明:比如一個論壇對當天發表的貼子用new圖片標記一下。
方法一:
//$db->rows[$i][date]中為數據庫中datetime字段值.
$today=time();
$theDay=date("Y-m-d H:i:s",$today-24*3600);
$newTag=$db->rows[$i][date]>=$theDay?"<img src='../image/newinfor.gif'>":";
方法二:
$newTag=$db->rows[$i][date]>=date("Y-m-d 00:00:00")?"<img src='../image/newinfor.gif'>":";
7、php中對數據庫操作的封裝
我的例子.........見本文附件!


相關附件:php中對數據庫操作的封裝的例子

php技術PHP 中的一些經驗積累,轉載需保留來源!

鄭重聲明:本文版權歸原作者所有,轉載文章僅為傳播更多信息之目的,如作者信息標記有誤,請第一時間聯系我們修改或刪除,多謝。

主站蜘蛛池模板: 欧美一级特黄一片免费 | 国产精品高清免费网站 | 97菊爱网 | 久久综合香蕉久久久久久久 | 一卡二卡≡卡四卡亚洲高清 | 六月婷婷开心 | 国产综合色在线视频区 | 天堂成人一区二区三区 | 日日嗷 | 欧美激情精品久久久久久大尺度 | 久久久久久91| v视界影院视频一区二区三区 | 综合网激情五月 | 国产高清自拍一区 | 97精品在线视频 | 色色视频免费网 | 欧美一级特黄视频 | 国产福利在线观看 极品美女 | 成人精品视频在线观看 | 日本一区二区三区四区五区 | 91麻豆精品国产91久久久 | 伊人久久综合网站 | 亚洲一区二区精品视频 | 98香蕉草草视频在线精品看 | 成人中文字幕一区二区三区 | 国产成人精品一区二三区在线观看 | 亚洲欧美国产另类 | 色妹子综合 | 久久精品青草社区 | 亚洲欧美日韩综合一区 | 日本www免费| 色多多视频网站 | 成人性色大片 | 人人添人人澡人人澡人人人人 | 四虎精品视频在线永久免费观看 | 91麻豆精品国产高清在线 | 91高清在线 | 欧美成人丝袜一区二区 | 国产视频2021 | 国产精选视频在线观看 | 在线视频91 |