1、关于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"<METAHTTP-EQUIV=\"Refresh\"CONTENT=\"0;URL=index.php\">";

2、获取访问者浏览器
functionbrowse_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";
$browser="NetscapeNavigator";
}
if(ereg("Mozilla",$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";
$browser="InternetExplorer";
}
if($browser!="")
{
$browseinfo="$browser$browserver";
}
else
{
$browseinfo="Unknown";
}
return$browseinfo;
}
//调用方法$browser=browseinfo();直接返回结果

3、获取访问者操作系统
functionosinfo(){
$os="";
$Agent=$GLOBALS["HTTP_USER_AGENT"];
if(eregi('win',$Agent)&&strpos($Agent,'95')){
$os="Windows95";
}
elseif(eregi('win9x',$Agent)&&strpos($Agent,'4.90')){
$os="WindowsME";
}
elseif(eregi('win',$Agent)&&ereg('98',$Agent)){
$os="Windows98";
}
elseif(eregi('win',$Agent)&&eregi('nt5\.0',$Agent)){
$os="Windows2000";
}
elseif(eregi('win',$Agent)&&eregi('nt',$Agent)){
$os="WindowsNT";
}
elseif(eregi('win',$Agent)&&eregi('nt5\.1',$Agent)){
$os="WindowsXP";
}
elseif(eregi('win',$Agent)&&ereg('32',$Agent)){
$os="Windows32";
}
elseif(eregi('linux',$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)){
$os="IBMOS/2";
}
elseif(eregi('Mac',$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;
}
//调用方法$os=os_infor();

4、文件格式类
$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文档
<?
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";
?>
//改动相应文件头就可以输出.doc.xls等文件格式了

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