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我米使用DRIVE V2与服务帐户下载CSV文件，这一个是工作的罚款。我想迁移DRIVE V2到DRIVE V3。所以我改变了我的脚本按照谷歌文档下载CSV文件会抛出错误403
I. Download a file in drive V3
PHP Library & Drive API V3此示例中使用如下：
1.Sample脚本使用Drive V3下载CSV文件
使用的方法：使用ALT =媒体
原因：这种方法只适用于DRIVE V3
<?php
set_include_path(get_include_path() . PATH_SEPARATOR . 'Google');
require_once 'Google/autoload.php';
require_once 'Google/Client.php';
require_once 'Google/Service/Drive.php';
try{
//Get service document
$service = get_service_document();
//Download a csv file
$data = $service->files->get("FILE ID", array('alt' => 'media'));
print_r($data);
}
catch(Exception $e){
print_r($e->getMessage());
}
//function to get service
function get_service_document(){
$userstamp='[email protected]';
//Enable below two lines if let know the clientid,tokens,etc.,
$driveService=buildServiceDrive($userstamp,"SERVICE_ACCOUNT","https://www.googleapis.com/auth/drive","KEY.p12");
return $driveService;
}
//building service
function buildServiceDrive($userEmail,$service_id,$scope,$service_filename) {
$key = file_get_contents($service_filename);
$auth = new Google_Auth_AssertionCredentials(
$service_id,
array($scope),
$key);
$auth->sub = $userEmail;
$client = new Google_Client();
$client->setAssertionCredentials($auth);
return new Google_Service_Drive($client);
}
结果： 我得到了下面的问题
Error calling GET https://www.googleapis.com/drive/v3/files/0B5pkfK_IBDxjeHlTTDFFY01CXzQ?alt=media: (302)
Moved Temporarily
The document has moved here.
这里点击后。我看到下面的错误。
{
"error": {
"errors": [
{
"domain": "usageLimits",
"reason": "dailyLimitExceededUnreg",
"message": "Daily Limit for Unauthenticated Use Exceeded. Continued use requires signup.",
"extendedHelp": "https://code.google.com/apis/console"
}
],
"code": 403,
"message": "Daily Limit for Unauthenticated Use Exceeded. Continued use requires signup."
}
}
II。 Download a file in Drive V2
我用备用方法从驱动器下载CSV文件。
PHP Library & Drive API V2此样品中使用：
使用驱动器V2 2.Sample脚本下载CSV文件
方法中使用：备选方法：使用downloadUrl
<?php
set_include_path(get_include_path() . PATH_SEPARATOR . 'Google');
require_once 'Google/autoload.php';
require_once 'Google/Client.php';
require_once 'Google/Service/Drive.php';
try{
//Get service document
$service = get_service_document();
$data = $service->files->get("FILE ID");
$url=$data->downloadUrl;
$data=downloadFile($service,$url);
print_r($data);
}
catch(Exception $e){
print_r($e->getMessage());
}
//Alternate method using download URL
function downloadFile($service, $downloadUrl)
{
if ($downloadUrl) {
$request = new Google_Http_Request($downloadUrl, 'GET', null, null);
$httpRequest = $service->getClient()->getAuth()->authenticatedRequest($request);
if ($httpRequest->getResponseHttpCode() == 200) {
return $httpRequest->getResponseBody();
} else {
echo "errr";
return null;
}
} else {
echo "empty";
return null;
}
}
//function to get service
function get_service_document(){
$driveService =buildServiceDrive([email protected]',"SERVICE-ACCOUNT","https://www.googleapis.com/auth/drive","KEY.p12");
return $driveService;
}
//building service
function buildServiceDrive($userEmail,$service_id,$scope,$service_filename) {
$key = file_get_contents($service_filename);
$auth = new Google_Auth_AssertionCredentials(
$service_id,
array($scope),
$key);
$auth->sub = $userEmail;
$client = new Google_Client();
$client->setAssertionCredentials($auth);
return new Google_Service_Drive($client);
}
结果：
我得到了CSV文件中的记录，做工精细 
PLZ帮我解决使用G盘V3下载一个CSV文件。是否有任何回归或功能滞后于V2/V3？
更新了发布。 – Sattanathan
很难理解你的设置;我试着通过尝试与云端硬盘进行不同的沟通方式来排除问题，但是您需要阅读您链接的7个不同的教程。您应该尝试将其缩小，请阅读http://stackoverflow.com/help/mcve。也许发布失败的线路和错误就足够了。 –
感谢Pietro Saccardi，现在我改变了希望可以理解！ – Sattanathan