[英]can you tell me what's wrong with this google drive API call function in PHP
我有這段代碼可以運行並從我的驅動器中獲取圖像。 但是每次運行此代碼時都會遇到問題。
function listF() {
$result = array();
$tok = array();
$nextPageToken = NULL;
do {
try {
$parameters = array();
if ($nextPageToken) {
$parameters['pageToken'] = $nextPageToken;
$parameters['q'] = "mimeType='image/jpeg' or mimeType='image/png'";
}
$files = $this->service->files->listFiles($parameters);
$tok[] = $nextPageToken;
$result = array_merge($tok, $result, $files->getFiles());
$nextPageToken = $files->getNextPageToken();
} catch (Exception $e) {
print "An error occurred: " . $e->getMessage();
$nextPageToken = NULL;
}
} while ($nextPageToken);
return $result;
}
我收到此錯誤:
An error occurred: {
"error": {
"errors": [
{
"domain": "global",
"reason": "invalid",
"message": "Invalid Value",
"locationType": "parameter",
"location": "pageToken"
}
],
"code": 400,
"message": "Invalid Value"
}
}
對我來說,這似乎並不違法。 也許你能找到這個錯誤。 謝謝
我將使用 Javascript 回答您的nextPageToken
問題,只需注意邏輯即可。 我有兩個相同的 listFile() 函數。 一個在初始加載時執行,加載頁面后,它顯示我的 100 個文件中的前 10 個。 每次單擊按鈕時都會執行另一個。
顯示初始 10 個文件的第一個函數。
//take note of this variable
var nextToken ;
function listFiles() {
gapi.client.drive.files.list({
'pageSize': 10,
'fields': "*"
}).then(function(response) {
//assign the nextPageToken to a variable to be used later
nextToken = response.result.nextPageToken;
// do whatever you like here, like display first 10 files in web page
// . . .
});
}
第二個功能:這個功能是通過點擊一個名為“下一頁”的按鈕觸發的,該按鈕顯示從 11 到 N 的后續文件。
function gotoNextPage(event) {
gapi.client.drive.files.list({
'pageSize': 10,
'fields': "*",
'pageToken': nextToken
}).then(function(response) {
//assign new nextPageToken to make sure new files are displayed
nextToken = response.result.nextPageToken;
//display batch of file results in the web page
//. . .
});
}
除非您在初始請求中包含的后續請求中包含完全相同的查詢字段 (q),否則 nextPageToken 似乎將被裁定為無效。
var files = []
var nextToken;
gapi.client.drive.files.list({
'q': "mimeType='image/jpeg' or mimeType='image/png'",
'pageSize': 10,
'fields': 'nextPageToken, files(id, name)'
}).then(function(response) {
nextToken = response.result.nextPageToken;
files.push(...response.result.files)
while (nextToken) {
gapi.client.drive.files.list({
'nextPage': nextToken,
'q': "mimeType='image/jpeg' or mimeType='image/png'",
'pageSize': 10,
'fields': 'nextPageToken, files(id, name)'
}).then(function(response) {
nextToken = response.result.nextPageToken;
files.push(...response.result.files)
})
}
});
Google Drive V3 PHP API 的文檔不像 V2 那樣豐富。
我沒有發現將pageToken
用於 V3 API 的簡單 PHP 示例,因此我提供了以下示例:
$parameters = array();
$parameters['q'] = "mimeType='image/jpeg' or mimeType='image/png'";
$parameters['fields'] = "files(id,name), nextPageToken";
$parameters['pageSize'] = 100;
$files = $google_drive_service->files->listFiles($parameters);
/* initially, we're not passing a pageToken, but we need a placeholder value */
$pageToken = 'go';
while ($pageToken != null) {
if (count($files->getFiles()) == 0) {
echo "No files found.\n";
}
else {
foreach ($files->getFiles() as $file) {
echo "name: '".$file->getName()."' ID: '".$file->getId()."'\n";
}
}
/* important step number one - get the next page token (if any) */
$pageToken = $files->getNextPageToken();
/* important step number two - append the next page token to your query */
$parameters['pageToken'] = $pageToken;
$files = $google_drive_service->files->listFiles($parameters);
}
經過 V3 測試的解決方案。 這將通過處理分頁來處理大集合(大於 1000):
function GetFiles()
{
$options =
[
'pageSize' => 1000,
'supportsAllDrives' => true,
'fields' => "files(id, mimeType, name), nextPageToken"
];
$files = [];
$pageToken = null;
do
{
try
{
if ($pageToken !== null)
{
$options['pageToken'] = $pageToken;
}
$response = $this->service->files->listFiles($options);
$files = array_merge($files, $response->files);
$pageToken = $response->getNextPageToken();
}
catch (Exception $exception)
{
$message = $exception->getMessage();
echo "Error: $message\r\n";
$pageToken = null;
}
} while ($pageToken !== null);
return $files;
}
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