","
",$data);
    $data = str_replace("
","",$data);
    $len = strlen($data);
    fwrite($filepath, $data);
    header("Content-type: application/octet-stream");
    header("Content-Disposition: attachment; filename={$fileName}.doc");
    header('Content-Description: File Transfer');
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename='.$fileName.'.doc');
    header('Content-Transfer-Encoding: binary');
    header('Expires: 0');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Pragma: public');
    header('Content-Length: ' . $len);
    rewind($filepath);
    echo fread($filepath,$len);
}


function clear_runtime($path = RUNTIME_PATH){  
    //给定的目录不是一个文件夹  
    if(!is_dir($path)){  
        return null;  
    }  
  
    $fh = opendir($path);  
    while(($row = readdir($fh)) !== false){  
        //过滤掉虚拟目录  
        if($row == '.' || $row == '..'|| $row == 'index.html'){  
            continue;  
        }  
  
        if(!is_dir($path.'/'.$row)){
            unlink($path.'/'.$row);  
        }  
        clear_runtime($path.'/'.$row);  
          
    }  
    //关闭目录句柄，否则出Permission denied  
    closedir($fh);    
    return true;  
}

//获取ip
function getIPaddress(){
    $IPaddress='';
    if (isset($_SERVER)){
        if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
            $IPaddress = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
            $IPaddress = $_SERVER["HTTP_CLIENT_IP"];
        } else {
            $IPaddress = $_SERVER["REMOTE_ADDR"];
        }
    } else {
        if (getenv("HTTP_X_FORWARDED_FOR")){
            $IPaddress = getenv("HTTP_X_FORWARDED_FOR");
        } else if (getenv("HTTP_CLIENT_IP")) {
            $IPaddress = getenv("HTTP_CLIENT_IP");
        } else {
            $IPaddress = getenv("REMOTE_ADDR");
        }
    }
    return $IPaddress;

}

/**
 * POST 请求
 *
 * @param string $url           
 * @param array $param          
 * @return string content
 */
function http_post($url, $param) {
    $oCurl = curl_init ();
    if (stripos ( $url, "https://" ) !== FALSE) {
        curl_setopt ( $oCurl, CURLOPT_SSL_VERIFYPEER, FALSE );
        curl_setopt ( $oCurl, CURLOPT_SSL_VERIFYHOST, false );
    }
    if (is_string ( $param )) {
        $strPOST = $param;
    } else {
        $aPOST = array ();
        foreach ( $param as $key => $val ) {
            $aPOST [] = $key . "=" . urlencode ( $val );
        }
        $strPOST = join ( "&", $aPOST );
    }
    curl_setopt ( $oCurl, CURLOPT_URL, $url );
    curl_setopt ( $oCurl, CURLOPT_RETURNTRANSFER, 1 );
    curl_setopt ( $oCurl, CURLOPT_POST, true );
    curl_setopt ( $oCurl, CURLOPT_POSTFIELDS, $strPOST );
    $sContent = curl_exec ( $oCurl );
    curl_close ( $oCurl );
    return $sContent;
}

function compress_string($string){
    return base64_encode( gzcompress($string, 9)) ;
}

function uncompress_string($string){
    return  gzuncompress(base64_decode($string));  
}