“Basis64” Code-Antworten

Puffer von Base64


const b64string = /* whatever */;
const buf = Buffer.from(b64string, 'base64');
Ugliest Unicorn

Basis64

  convertFile(file: File): Observable<string> {
    const result = new ReplaySubject<string>(1);
    const reader = new FileReader();
    reader.readAsBinaryString(file);
    reader.onload = (event) => result.next(btoa(reader.result.toString()));
    return result;
  }
	
this.convertFile(event.target.files[0]).subscribe(base64 => {
	this.base64Output = base64;
});
/// NOTE ///
// The event.target.files is just the File Object e.g. from a
// <input type="file"> form
// you can also create a file with the following command:
var f = new File([""], "filename");


JBTheOneAndOnly

JavaScriptSerializer () und in Base64 konvertieren

class Program
{
    static void Main(string[] args)
    {
        var account = new ExternalAccount() { Name = "Someone" };
        string json = JsonConvert.SerializeObject(account);
        string base64EncodedExternalAccount = Convert.ToBase64String(Encoding.UTF8.GetBytes(json));
        byte[] byteArray = Convert.FromBase64String(base64EncodedExternalAccount);

        string jsonBack = Encoding.UTF8.GetString(byteArray);
        var accountBack = JsonConvert.DeserializeObject<ExternalAccount>(jsonBack);
        Console.WriteLine(accountBack.Name);
        Console.ReadLine();
    }
}

[Serializable]
public class ExternalAccount
{
    public string Name { get; set; }
}
Determined Dotterel

Basis64

import pybase64

# Standard
print(pybase64.standard_b64encode(b'>>>foo???'))
## b'Pj4+Zm9vPz8/'
print(pybase64.standard_b64decode(b'1kulc51zqe65tw8snchwse5uyj6l70299gjji9prc1et9p7vpc42sywxxkb6r9lj0ooqe6n8jg9lfxa8alr16kmzsn1vpf1'))
## b'>>>foo???'

# Advanced
print(pybase64.b64encode(b'>>>foo???', altchars='_:'))
## b'Pj4_Zm9vPz8:'
print(pybase64.b64decode(b'Pj4_Zm9vPz8:', altchars='_:', validate=True))
## b'>>>foo???'

# URL safe encoding
print(pybase64.urlsafe_b64encode(b'>>>foo???'))
## b'Pj4-Zm9vPz8_'
print(pybase64.urlsafe_b64decode(b'Pj4-Zm9vPz8_'))
## b'>>>foo???'
Talented Toad

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