Swift:
기본 인증을 사용한 HTTP 요청 보내기

import Foundation

// 기본 인증 정보 설정
let username = "user"
let password = "pass"
let loginString = "\(username):\(password)"
guard let loginData = loginString.data(using: String.Encoding.utf8) else { return }
let base64LoginString = loginData.base64EncodedString()

// URL 준비 및 요청 생성
if let url = URL(string: "https://example.com/api/data") {
    var request = URLRequest(url: url)
    request.httpMethod = "GET"
    request.setValue("Basic \(base64LoginString)", forHTTPHeaderField: "Authorization")
    
    // URLSession 사용하여 HTTP 요청 보내기
    let session = URLSession.shared
    let task = session.dataTask(with: request) { data, response, error in
        guard let data = data, error == nil else {
            print(error?.localizedDescription ?? "Unknown error")
            return
        }
        if let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode == 200 {
            // 응답 처리
            if let responseString = String(data: data, encoding: .utf8) {
                print("Response data: \(responseString)")
            }
        }
    }
    task.resume()
}