本帖最后由 googee2008 于 2012-11-19 15:26:43 编辑

解决方案 »

  1.   

    如果用其它方法下载远程图片也会报如下错误: 可是我已经停用防火墙。
    Warning: fsockopen() [function.fsockopen]: unable to connect to :80 (由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 )
      

  2.   

    假如图片在本机其它测试环境就可以,例如:http://127.0.0.1/banner-hangzhou.jpg
    假如图片在外网就不行:例如  http://events.csdn.net/OMIA/guangzhou/banner-hangzhou.jpg
      

  3.   

    就是楼上所说的那样假如图片在本机其它测试环境就可以下载,例如:http://127.0.0.1/banner-hangzhou.jpg
    假如图片在外网就不能下载到本地:例如  http://events.csdn.net/OMIA/guangzhou/banner-hangzhou.jpg 
      

  4.   

    就症状来讲怀疑是dede内部写得不好
    你把那个类完整贴上来看看
      

  5.   

    完整的代码如下——http://my.csdn.net/my/code/detail/27411  可直接复制代码帖子有字符数限制
      

  6.   

    <?php$url="http://avatar.csdn.net/C/2/F/1_ibmfahsion.jpg";$rndtrueName="F:/wamp/www/zc/image/1_ibmfahsion.jpg";
    getremoteimage( $url, $rndtrueName );function getremoteimage( $url, $rndtrueName )
    {
    //echo  $url;// http://www.golffactorystore.com/images/200910/goods_img/599_P_1255757135855.jpg $revalues = array( );
    $ok = false; $htd = new dedehttpdown( ); $htd->openurl( $url );
    echo $htd->openurl( $url ); $sparr = array( "image/pjpeg", "image/jpeg", "image/gif", "image/jpg", "image/png", "image/xpng", "image/wbmp" ); if ( !in_array( $htd->gethead( "content-type" ), $sparr ) )
    { return ""; }
    //make_dir( dirname( $rndtrueName ) ); $itype = $htd->gethead( "content-type" );
        echo  'lzdc';
    $ok = $htd->savetobin( $rndtrueName );
    if ( $ok )
    { $data = getimagesize( $rndtrueName );
    $revalues[0] = $rndtrueName;
    list( , $revalues[2], $revalues[2] ) = $data;
    }
    $htd->close( );
    if ( $ok )
    {
    return $revalues;
    echo  '77';
    }
    return "";
    }function make_dir( $folder )
    { $reval = false;
    if ( !file_exists( $folder ) )
    {
    @umask( 0 );
    preg_match_all( "/([^\\/]*)\\/?/i", $folder, $atmp );
    $base = $atmp[0][0] == "/" ? "/" : "";
    foreach ( $atmp[1] as $val )
    {
    if ( "" != $val )
    {
    $base .= $val;
    if ( ".." == $val || "." == $val )
    {
    $base .= "/";
    }
    else
    {
    $base .= "/";
    if ( file_exists( $base ) || [email protected]( @rtrim( $base, "/" ), 511 ) )
    {
    @chmod( $base, 511 );
    $reval = true;
    }
    }
    }
    }
    }
    else
    {
    $reval = is_dir( $folder );
    }
    clearstatcache( );
    return $reval;}
    class DedeHttpDown
    {
        var $m_url = '';
        var $m_urlpath = '';
        var $m_scheme = 'http';
        var $m_host = '';
        var $m_port = '80';
        var $m_user = '';
        var $m_pass = '';
        var $m_path = '/';
        var $m_query = '';
        var $m_fp = '';
        var $m_error = '';
        var $m_httphead = '';
        var $m_html = '';
        var $m_puthead = '';
        var $BaseUrlPath = '';
        var $HomeUrl = '';
        var $reTry = 0;
        var $JumpCount = 0;    /**
         *  初始化系统
         *
         * @access    public
         * @param     string    $url   需要下载的地址
         * @return    string
         */
        function PrivateInit($url)
        {
            if($url=='') {
                return ;
            }
            $urls = '';
            $urls = @parse_url($url);
            $this->m_url = $url;
            if(is_array($urls))
            {
                $this->m_host = $urls["host"];
                if(!empty($urls["scheme"]))
                {
                    $this->m_scheme = $urls["scheme"];
                }
                if(!empty($urls["user"]))
                {
                    $this->m_user = $urls["user"];
                }
                if(!empty($urls["pass"]))
                {
                    $this->m_pass = $urls["pass"];
                }
                if(!empty($urls["port"]))
                {
                    $this->m_port = $urls["port"];
                }
                if(!empty($urls["path"]))
                {
                    $this->m_path = $urls["path"];
                }
                $this->m_urlpath = $this->m_path;
                if(!empty($urls["query"]))
                {
                    $this->m_query = $urls["query"];
                    $this->m_urlpath .= "?".$this->m_query;
                }
                $this->HomeUrl = $urls["host"];
                $this->BaseUrlPath = $this->HomeUrl.$urls["path"];
                $this->BaseUrlPath = preg_replace("/\/([^\/]*)\.(.*)$/","/",$this->BaseUrlPath);
                $this->BaseUrlPath = preg_replace("/\/$/","",$this->BaseUrlPath);
            }
        }    /**
         *  重设各参数
         *
         * @access    public
         * @return    void
         */
        function ResetAny()
        {
            $this->m_url = "";
            $this->m_urlpath = "";
            $this->m_scheme = "http";
            $this->m_host = "";
            $this->m_port = "80";
            $this->m_user = "";
            $this->m_pass = "";
            $this->m_path = "/";
            $this->m_query = "";
            $this->m_error = "";
        }    /**
         *  打开指定网址
         *
         * @access    public
         * @param     string    $url   地址
         * @param     string    $requestType   请求类型
         * @return    string
         */
        function OpenUrl($url,$requestType="GET")
        {
            $this->ResetAny();
            $this->JumpCount = 0;
            $this->m_httphead = Array() ;
            $this->m_html = '';
            $this->reTry = 0;
            $this->Close();        //初始化系统
            $this->PrivateInit($url);
            $this->PrivateStartSession($requestType);
        }    /**
         *  转到303重定向网址
         *
         * @access    public
         * @param     string   $url   地址
         * @return    string
         */
        function JumpOpenUrl($url)
        {
            $this->ResetAny();
            $this->JumpCount++;
            $this->m_httphead = Array() ;
            $this->m_html = "";
            $this->Close();        //初始化系统
            $this->PrivateInit($url);
            $this->PrivateStartSession('GET');
        }    /**
         *  获得某操作错误的原因
         *
         * @access    public
         * @return    void
         */
        function printError()
        {
            echo "错误信息:".$this->m_error;
            echo "<br/>具体返回头:<br/>";
            foreach($this->m_httphead as $k=>$v){ echo "$k => $v <br/>\r\n"; }
        }    /**
         *  判别用Get方法发送的头的应答结果是否正确
         *
         * @access    public
         * @return    bool
         */
        function IsGetOK()
        {
            if( preg_match("/^2/",$this->GetHead("http-state")) )
            {
                return TRUE;
            }
            else
            {
                $this->m_error .= $this->GetHead("http-state")." - ".$this->GetHead("http-describe")."<br/>";
                return FALSE;
            }
        }    /**
         *  看看返回的网页是否是text类型
         *
         * @access    public
         * @return    bool
         */
        function IsText()
        {
            if( preg_match("/^2/",$this->GetHead("http-state")) && preg_match("/text|xml/i",$this->GetHead("content-type")) )
            {
                return TRUE;
            }
            else
            {
                $this->m_error .= "内容为非文本类型或网址重定向<br/>";
                return FALSE;
            }
        }    /**
         *  判断返回的网页是否是特定的类型
         *
         * @access    public
         * @param     string   $ctype   内容类型
         * @return    string
         */
        function IsContentType($ctype)
        {
            if(preg_match("/^2/",$this->GetHead("http-state"))
            && $this->GetHead("content-type")==strtolower($ctype))
            {    return TRUE; }
            else
            {
                $this->m_error .= "类型不对 ".$this->GetHead("content-type")."<br/>";
                return FALSE;
            }
        }    /**
         *  用Http协议下载文件
         *
         * @access    public
         * @param     string    $savefilename  保存文件名称
         * @return    string
         */
        function SaveToBin($savefilename)
        {
            if(!$this->IsGetOK())
            {
                return FALSE;
            }
            if(@feof($this->m_fp))
            {
                $this->m_error = "连接已经关闭!"; return FALSE;
            }
            $fp = fopen($savefilename,"w");
            while(!feof($this->m_fp))
            {
                fwrite($fp, fread($this->m_fp, 1024));
            }
            fclose($this->m_fp);
            fclose($fp);
            return TRUE;
        }    /**
         *  保存网页内容为Text文件
         *
         * @access    public
         * @param     string    $savefilename  保存文件名称
         * @return    string
         */
        function SaveToText($savefilename)
        {
            if($this->IsText())
            {
                $this->SaveBinFile($savefilename);
            }
            else
            {
                return "";
            }
        }    /**
         *  用Http协议获得一个网页的内容
         *
         * @access    public
         * @return    string
         */
        function GetHtml()
        {
            if(!$this->IsText())
            {
                return '';
            }
            if($this->m_html!='')
            {
                return $this->m_html;
            }
            if(!$this->m_fp||@feof($this->m_fp))
            {
                return '';
            }
            while(!feof($this->m_fp))
            {
                $this->m_html .= fgets($this->m_fp,256);
            }
            @fclose($this->m_fp);
            return $this->m_html;
        }
      

  7.   

     *  开始HTTP会话
         *
         * @access    public
         * @param     string    $requestType    请求类型
         * @return    string
         */
        function PrivateStartSession($requestType="GET")
        {
            if(!$this->PrivateOpenHost())
            {
                $this->m_error .= "打开远程主机出错!";
                return FALSE;
            }
            $this->reTry++;
            if($this->GetHead("http-edition")=="HTTP/1.1")
            {
                $httpv = "HTTP/1.1";
            }
            else
            {
                $httpv = "HTTP/1.0";
            }
            $ps = explode('?',$this->m_urlpath);        $headString = '';        //发送固定的起始请求头GET、Host信息
            if($requestType=="GET")
            {
                $headString .= "GET ".$this->m_urlpath." $httpv\r\n";
            }
            else
            {
                $headString .= "POST ".$ps[0]." $httpv\r\n";
            }
            $this->m_puthead["Host"] = $this->m_host;        //发送用户自定义的请求头
            if(!isset($this->m_puthead["Accept"]))
            {
                $this->m_puthead["Accept"] = "*/*";
            }
            if(!isset($this->m_puthead["User-Agent"]))
            {
                $this->m_puthead["User-Agent"] = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2)";
            }
            if(!isset($this->m_puthead["Refer"]))
            {
                $this->m_puthead["Refer"] = "http://".$this->m_puthead["Host"];
            }        foreach($this->m_puthead as $k=>$v)
            {
                $k = trim($k);
                $v = trim($v);
                if($k!=""&&$v!="")
                {
                    $headString .= "$k: $v\r\n";
                }
            }
            fputs($this->m_fp, $headString);
            if($requestType=="POST")
            {
                $postdata = "";
                if(count($ps)>1)
                {
                    for($i=1;$i<count($ps);$i++)
                    {
                        $postdata .= $ps[$i];
                    }
                }
                else
                {
                    $postdata = "OK";
                }
                $plen = strlen($postdata);
                fputs($this->m_fp,"Content-Type: application/x-www-form-urlencoded\r\n");
                fputs($this->m_fp,"Content-Length: $plen\r\n");
            }        //发送固定的结束请求头
            //HTTP1.1协议必须指定文档结束后关闭链接,否则读取文档时无法使用feof判断结束
            if($httpv=="HTTP/1.1")
            {
                fputs($this->m_fp,"Connection: Close\r\n\r\n");
            }
            else
            {
                fputs($this->m_fp,"\r\n");
            }
            if($requestType=="POST")
            {
                fputs($this->m_fp,$postdata);
            }        //获取应答头状态信息
            $httpstas = explode(" ",fgets($this->m_fp,256));
            $this->m_httphead["http-edition"] = trim($httpstas[0]);
            $this->m_httphead["http-state"] = trim($httpstas[1]);
            $this->m_httphead["http-describe"] = "";
            for($i=2;$i<count($httpstas);$i++)
            {
                $this->m_httphead["http-describe"] .= " ".trim($httpstas[$i]);
            }        //获取详细应答头
            while(!feof($this->m_fp))
            {
                $line = trim(fgets($this->m_fp,256));
                if($line == "")
                {
                    break;
                }
                $hkey = "";
                $hvalue = "";
                $v = 0;
                for($i=0;$i<strlen($line);$i++)
                {
                    if($v==1)
                    {
                        $hvalue .= $line[$i];
                    }
                    if($line[$i]==":")
                    {
                        $v = 1;
                    }
                    if($v==0)
                    {
                        $hkey .= $line[$i];
                    }
                }
                $hkey = trim($hkey);
                if($hkey!="")
                {
                    $this->m_httphead[strtolower($hkey)] = trim($hvalue);
                }
            }        //如果连接被不正常关闭,重试
            if(feof($this->m_fp))
            {
                if($this->reTry > 10)
                {
                    return FALSE;
                }
                $this->PrivateStartSession($requestType);
            }        //判断是否是3xx开头的应答
            if(preg_match("/^3/",$this->m_httphead["http-state"]))
            {
                if($this->JumpCount > 3)
                {
                    return;
                }
                if(isset($this->m_httphead["location"]))
                {
                    $newurl = $this->m_httphead["location"];
                    if(preg_match("/^http/i",$newurl))
                    {
                        $this->JumpOpenUrl($newurl);
                    }
                    else
                    {
                        $newurl = $this->FillUrl($newurl);
                        $this->JumpOpenUrl($newurl);
                    }
                }
                else
                {
                    $this->m_error = "无法识别的答复!";
                }
            }
        }    /**
         *  获得一个Http头的值
         *
         * @access    public
         * @param     string    $headname   头文件名称
         * @return    string
         */
        function GetHead($headname)
        {
            $headname = strtolower($headname);
            return isset($this->m_httphead[$headname]) ? $this->m_httphead[$headname] : '';
        }    /**
         *  设置Http头的值
         *
         * @access    public
         * @param     string   $skey  键
         * @param     string   $svalue  值
         * @return    string
         */
        function SetHead($skey,$svalue)
        {
            $this->m_puthead[$skey] = $svalue;
        }    /**
         *  打开连接
         *
         * @access    public
         * @return    bool
         */
        function PrivateOpenHost()
        {
            if($this->m_host=="")
            {
                return FALSE;
            }
            $errno = "";
            $errstr = "";
            // stream_socket_client
            //$this->m_fp = @pfsockopen($this->m_host, $this->m_port, $errno, $errstr,10);
             $this->m_fp = @stream_socket_client($this->m_host.$this->m_port, $errno, $errstr, 10);
            if(!$this->m_fp)
            {
                $this->m_error = $errstr;
                return FALSE;
            }
            else
            {
                return TRUE;
            }
        }    /**
         *  关闭连接
         *
         * @access    public
         * @return    void
         */
        function Close()
        {
            @fclose($this->m_fp);
        }    /**
         *  补全相对网址
         *
         * @access    public
         * @param     string   $surl  需要不全的地址
         * @return    string
         */
        function FillUrl($surl)
        {
            $i = 0;
            $dstr = "";
            $pstr = "";
            $okurl = "";
            $pathStep = 0;
            $surl = trim($surl);
            if($surl=="")
            {
                return "";
            }
            $pos = strpos($surl,"#");
            if($pos>0)
            {
                $surl = substr($surl,0,$pos);
            }
            if($surl[0]=="/")
            {
                $okurl = "http://".$this->HomeUrl.$surl;
            }
            else if($surl[0]==".")
            {
                if(strlen($surl)<=1)
                {
                    return "";
                }
                else if($surl[1]=="/")
                {
                    $okurl = "http://".$this->BaseUrlPath."/".substr($surl,2,strlen($surl)-2);
                }
                else
                {
                    $urls = explode("/",$surl);
                    foreach($urls as $u)
                    {
                        if($u=="..")
                        {
                            $pathStep++;
                        }
                        else if($i<count($urls)-1)
                        {
                            $dstr .= $urls[$i]."/";
                        }
                        else
                        {
                            $dstr .= $urls[$i];
                        }
                        $i++;
                    }
                    $urls = explode("/",$this->BaseUrlPath);
                    if(count($urls) <= $pathStep)
                    {
                        return "";
                    }
                    else
                    {
                        $pstr = "http://";
                        for($i=0;$i<count($urls)-$pathStep;$i++)
                        {
                            $pstr .= $urls[$i]."/";
                        }
                        $okurl = $pstr.$dstr;
                    }
                }
            }
            else
            {
                if(strlen($surl)<7)
                {
                    $okurl = "http://".$this->BaseUrlPath."/".$surl;
                }
                else if(strtolower(substr($surl,0,7))=="http://")
                {
                    $okurl = $surl;
                }
                else
                {
                    $okurl = "http://".$this->BaseUrlPath."/".$surl;
                }
            }
            $okurl = preg_replace("/^(http:\/\/)/i","",$okurl);
            $okurl = preg_replace("/\/{1,}/", "/", $okurl);
            return "http://".$okurl;
        }
    }//End Class?>
      

  8.   

    代码如上,两部分组成 ,有人说是  fsockopen的问题,我打开禁用和使用pfsockopen任然无法解决问题。
      

  9.   

    先问一下    function PrivateOpenHost()
        {
            if($this->m_host=="")
            {
                return FALSE;
            }
            $errno = "";
            $errstr = "";
            // stream_socket_client
            //$this->m_fp = @pfsockopen($this->m_host, $this->m_port, $errno, $errstr,10);
             $this->m_fp = @stream_socket_client($this->m_host.$this->m_port, $errno, $errstr, 10);

    这两句那个是原来的?
    $this->m_fp = @stream_socket_client($this->m_host.$this->m_port, $errno, $errstr, 10);
    应该为
    $this->m_fp = @stream_socket_client($this->m_host . ':' . $this->m_port, $errno, $errstr, 10);
    这样就可以了。只是你创建目录的部分没有执行,或有错如果 $this->m_fp = @pfsockopen($this->m_host, $this->m_port, $errno, $errstr,10); 是原来的
    那么在
            //获取应答头状态信息
            $httpstas = explode(" ",fgets($this->m_fp,256));
            $this->m_httphead["http-edition"] = trim($httpstas[0]);
            $this->m_httphead["http-state"] = trim($httpstas[1]);
    有错,原因待查
      

  10.   

    function make_dir( $folder )
    {$reval = false;
    if ( !file_exists( $folder ) )
    {
    @umask( 0 );
    preg_match_all( "/([^\\/]*)\\/?/i", $folder, $atmp );
    应写作
    preg_match_all( "/([^\/]*)\/?/i", $folder, $atmp );

    preg_match_all( "#([^/]*)/?#i", $folder, $atmp );
      

  11.   

    $this->m_fp = @stream_socket_client($this->m_host.$this->m_port, $errno, $errstr, 10);是原来的
      

  12.   

    上面发错了
    这句才是原来的 $this->m_fp = @fsockopen($this->m_host, $this->m_port, $errno, $errstr,10);
      

  13.   

    用dedecms的下载类 远程下载图片到本地失败  局域网内的图片可以下载成功  外网的图片无法下载
      

  14.   

    不知道你改动了多少地方按#13的用
    $this->m_fp = @stream_socket_client($this->m_host . ':' . $this->m_port, $errno, $errstr, 10);
    即可获取远程图片
      

  15.   

    晚上搜了dedecms的下载类确实存在这个问题,可是我试了楼上的那种,用我发布的代码还是无法获取图片,谢谢5星版主。
      

  16.   

    我用你的代码,当然是修改了那一行的
    已经成功的下载了$url="http://avatar.csdn.net/C/2/F/1_ibmfahsion.jpg";你自己在捉摸捉摸吧
      

  17.   

    服务器配置信息问题,假如你用的是phpnow  appsrv   xmapp  wmapp=
    请你安装位纯净版的php运行环境,已经测试过,可以通过。