thinkphp 下载 基于Http解决思路

thinkphp 下载 基于Http

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->public static function Download($Download){    import("Com.Buyback.QueryAmazon");     import("ORG.Net.Http");     $bookInformModel =M("admin");     $result = $bookInformModel->where("Download='$Download'")->select();    if($result[0]['image'] == ""){    $data['id'] = $result[0]['id'];    $remoteUrl = QueryAmazon::getImage($Download);     if(!empty($remoteUrl['ImageURL'])){    $localUrl = "oa/Tpl/Public/Upload/".$Download.".jpg";    Http::curl_download($remoteUrl['ImageURL'], "./".$localUrl);    }else{    $localUrl = "oa/Tpl/Public/Upload/";    }    $data['image'] = $localUrl;    $bookInformModel->save($data);    return $localUrl;} return $result[0]['image'];} 点击下载的时候<td align="center" colspan="2"><a href="oa/Tpl/Public/Upload/{$vo.Download}">下载</a></td>不能下载 求解释

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