银行卡归属地查询示例代码C#

银行卡归属地查询

using System;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json.Linq;

class BankCard
{
    private const string AppKey = "YOUR_APPKEY_HERE";

    public static async Task QueryAsync(string bankcard)
    {
        try
        {
            // 构建请求 URL
            string url = $"https://api.jisuapi.com/bankcard/query?appkey={AppKey}&bankcard={bankcard}";

            using (HttpClient client = new HttpClient())
            {
                // 发送 GET 请求
                HttpResponseMessage response = await client.GetAsync(url);
                // 确保请求成功
                response.EnsureSuccessStatusCode();

                // 读取响应内容
                string responseBody = await response.Content.ReadAsStringAsync();
                // 解析 JSON 数据
                JObject jsonarr = JObject.Parse(responseBody);

                // 检查状态码
                if (jsonarr["status"] != null && (int)jsonarr["status"] != 0)
                {
                    if (jsonarr["msg"] != null)
                    {
                        Console.WriteLine(jsonarr["msg"]);
                    }
                    return;
                }

                // 获取结果对象
                JObject result = (JObject)jsonarr["result"];
                if (result != null)
                {
                    // 输出信息
                    Console.WriteLine($"{result["bankcard"]} {result["name"]} {result["type"]}");
                    Console.WriteLine($"{result["province"]} {result["city"]}");
                    Console.WriteLine($"{result["bank"]} {result["logo"]} {result["tel"]}");
                    Console.WriteLine($"{result["website"]} {result["len"]} {result["iscorrect"]}");
                }
            }
        }
        catch (HttpRequestException ex)
        {
            Console.WriteLine($"请求出错: {ex.Message}");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"发生错误: {ex.Message}");
        }
    }
	
	static async Task Main(string[] args)
    {
        //await BankCard.QueryAsync('6212261202011584349');
    }
}

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