Google Drive API v3在java中获取根文件夹Id [英] Google Drive API v3 getting root folder Id in java
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问题描述
我尝试了几种方法:无法在Java Api v3中获取根文件夹ID。
String id = service.files()。get(fileId = root)。setFields(id)。execute()。getId();
String id = service.files()。get(fileId = root)。setFields(?fields = id)。execute()。getId();
String id = service.files()。get(root)。setFields(?fields = id)。execute()。getId();
String id = service.files()。get(fileId = root and?fields = id)。execute()。getId();
我得到这个错误:
com.google.api.client.googleapis.json.GoogleJsonResponseException:400错误请求
{
code:400,
errors:[ {
domain:global,
location:fields,
locationType:parameter,
message:无效的字段选择? fields = id,
reason:invalidParameter
}],
message:Invalid field selection?fields = id
}
发生错误:com.google.api.client.googleapis.json.GoogleJsonResponseException:404未找到
{
code:404,
errors:[{
domain:global,
location:fileId,
locationType:参数,
消息:文件未找到:。 ,
reason:notFound
}],
message:找不到文件:。
}
解决方案
请尝试以下组合,看看是否有效。
String id = service.files()。get(root)。setFields(id)。execute()。getId();
I tried several things bu couldn't get the root folder id in Java Api v3.
What I tried:
String id = service.files().get("fileId=root").setFields("id").execute().getId();
String id = service.files().get("fileId=root").setFields("?fields=id").execute().getId();
String id = service.files().get("root").setFields("?fields=id").execute().getId();
String id = service.files().get("fileId=root and ?fields=id").execute().getId();
I am getting this errors:
com.google.api.client.googleapis.json.GoogleJsonResponseException: 400 Bad Request
{
"code" : 400,
"errors" : [ {
"domain" : "global",
"location" : "fields",
"locationType" : "parameter",
"message" : "Invalid field selection ?fields=id",
"reason" : "invalidParameter"
} ],
"message" : "Invalid field selection ?fields=id"
}
An error occurred: com.google.api.client.googleapis.json.GoogleJsonResponseException: 404 Not Found
{
"code" : 404,
"errors" : [ {
"domain" : "global",
"location" : "fileId",
"locationType" : "parameter",
"message" : "File not found: .",
"reason" : "notFound"
} ],
"message" : "File not found: ."
}
I looked the migration document and other posts but still couldn't get the root id. Thanks!
解决方案
Try the following combination to see if that works.
String id = service.files().get("root").setFields("id").execute().getId();
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