微软官方的解析服务

 

用法： https://view.officeapps.live.com/op/view.aspx?src= 你的文件地址 。注：文件地址必须外网能访问

PHP 下载文件到本地

$filename = basename($url);
$filepath = "C:/Users/Administrator/Downloads/";
return $filepath . $filename;
if(file_exists($filepath . $filename)){ // 如果文件存在把他删除掉
　　unlink($filepath . $filename);
}
$headers = get_headers($url, 1);
$fileSize = $headers['Content-Length'];
header('Content-Type: application/octet-stream');
header('Accept-Ranges:bytes');
header('Content-Length: ' . $fileSize);
header('Content-Disposition: attachment; filename="' . $filename . '"');
readfile($url);