ios mysql数据库查询语句

import Foundation

// 创建URL
let urlString = "https://yourserver.com/query"
guard let url = URL(string: urlString) else { return }

// 创建URL请求
var request = URLRequest(url: url)
request.httpMethod = "POST"

// 设置请求头
request.addValue("application/json", forHTTPHeaderField: "Content-Type")

// 设置请求体
let parameters: [String: Any] = [
    "query": "SELECT * FROM users WHERE id = 1"
]
let jsonData = try? JSONSerialization.data(withJSONObject: parameters)

// 设置请求体数据
request.httpBody = jsonData

// 发送请求
let task = URLSession.shared.dataTask(with: request) { data, response, error in
    if let error = error {
        print("Error: \(error)")
        return
    }
    
    guard let data = data else { return }
    
    do {
        let json = try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]
        print("Response: \(json ?? [:])")
    } catch {
        print("JSONSerialization error: \(error)")
    }
}

task.resume()