带有字符串和NSDate的HTTP POST请求Swift

import Foundation

func sendPostRequest() {
    let url = URL(string: "https://example.com/api/endpoint")!
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    
    // 设置请求体数据
    let stringData = "Hello, World!".data(using: .utf8)
    let date = Date()
    let dateData = date.description.data(using: .utf8)
    
    let bodyData = NSMutableData()
    bodyData.append(stringData!)
    bodyData.append(dateData!)
    
    request.httpBody = bodyData as Data
    
    let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
        if let error = error {
            print("Error: \(error)")
            return
        }
        
        if let data = data {
            // 处理响应数据
            let responseString = String(data: data, encoding: .utf8)
            print("Response: \(responseString ?? "")")
        }
    }
    
    task.resume()
}

sendPostRequest()