Question

如果达到以下标准之一,我需要在网页上展示更多信息:

.NET Framework Installed on the client machine in lower than 3.5
Impossible to determine if .NET Framework 3.5 is installed or not on the client machine

我知道,一些浏览器(如果不仅仅是一个,IE)正在他中间发送这一信息。

您能向我提出建议吗?

网站在PHP中建立。

感谢!

EDIT:

拟议的答复不完整,而且(或)没有向我提供有力的解决办法。

Answer 1

这里是另一个版本。我实际上为一位地雷的朋友做了发言,并认识到,在座右边有 b,因此:

这完全是行之有效的,但只靠使用者的力量,因为没有其他办法这样做。

核心类别:

class NETFrameworkChecker
{
    //General String / Array holders
    var $original_au,$ua_succesParse,$ua_componants,$ua_dotNetString,$CLRTag = "";

    //IsInstalled
    var $installed = false;

    //Version holders
    public $major = 0,$minor = 0,$build = 0;

    public function __construct($ua = false)
    {
        $this->original_au = $ua !== false ? $ua : $_SERVER[ HTTP_USER_AGENT ];
        $this->ParserUserAgent();
    }

    public function Installed(){return (bool)$this->installed;}

    public function AUTag(){return $this->CLRTag;}

    //Version Getters
    public function getMajor(){return $this->major;}
    public function getMinor(){return $this->minor;}
    public function getBuild(){return $this->build;}

    private function ParserUserAgent()
    {
        $this->ua_succesParse = (bool) preg_match( /(?<browser>.+?)s((?<components>.*?))/ ,$this->original_au,$this->ua_componants);
        if($this->ua_succesParse)
        {
            $this->ua_componants = explode( ; ,$this->ua_componants[ components ]);
            foreach($this->ua_componants as $aComponant)
            {
                $aComponant = trim($aComponant);
                if(substr(strtoupper($aComponant),0,4) == ".NET")
                {
                    //We have .Net Installed
                    $this->installed = true;
                    $this->CLRTag = $aComponant;

                    //Lets make sure we can get the versions
                    $gotVersions = (bool)preg_match("/.NET.CLR.+?(?<major>[0-9]{1}).(?<minor>[0-9]{1}).(?<build>[0-9]+)/si",$aComponant,$versions);
                    if($gotVersions)
                    {
                        $this->major = (int)$versions[ major ];
                        $this->minor = (int)$versions[ minor ];
                        $this->build = (int)$versions[ build ];
                    }
                    break;
                }
            }
        }
    }
}

例:

$Net = new NETFrameworkChecker(); //leave first param blank to detect current user agent

if($Net->Installed())
{
   if($Net->getMajor()> 2 && $Net->getMinor() >= 0)
   {
      //User is using a >NET system thats greater than 2.0.0000
      if($Net->GetBuild() >= 0200)
      {
         //We can do stuff with so that s only supported from this build up-words
      }
   }else
   {
      //Redirect them asking them to upgrade :) pretty please
   }
}

如果你也想从非行检查美国关税同盟的产物,请说

$Net = new NETFrameworkChecker("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Pivim Multibar; GTB6.4; .NET CLR 2.0.50727)");

Answer 2

获取这一信息的唯一途径是浏览器发送的<编码>用户代理人。你们可以 par。网上版本。但是,我注意到,客户可以收集这种信息,或完全放弃这些信息,因此,我将不把任何关键功能作为基础。

Answer 3

我将尝试并在PHP(Example Below)的用户代理人上做一个插手。

A.NETuser Agent :Mozilla/4.0 (compatible;MSIE 6.0;Windows NT 5.1;SV1;Pivim Multibar;GSB6.4;NET CLR 2.0.50727)

PHP:

<?php
function DotNetInstalled($ua = false)
{
    $ua = $ua ? $ua : $_SERVER[ HTTP_USER_AGENT ];
    //return (strstr( .NET CLR ,$ua) !== false);
    $matches = preg_match( ^.NET CLR ([0-4]+.)?([0-9].)?(*|d+)$ ,$ua);
    if((int)$matches[1] > 0)
    {
       return array(
           (int)$matches[1],
           (int)$matches[2],
           (int)$matches[3],
       );
    }
    return false;
}

if(false !== ($version = DotNetInstalled()))
{
   //Show me the money
   //$version[0] = 2
   //$version[1] = 0
   //$version[2] = 50727
}
?>

I would also check out the following PEAR Package : http://pear.php.net/package/Net_UserAgent_Detect ?>

Answer 4

信息。 NET CLR版本在用户中:

友情链接