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商标详情示例代码C#

作者: 阅读数:1242 上传时间:2025-04-30

商标详情

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

class Trademark
{  
	// 替换成你的AppKey
    private const string AppKey = "YOUR_APPKEY_HERE";

    public static async Task DetailAsync(string Regno, int ClassId)
    {
        try
        {
            // 构建请求 URL
            string url = $"https://api.jisuapi.com/trademark/detail?appkey={AppKey}®no={Regno}&classid={ClassId}";

            using (HttpClient client = new HttpClient())
            {
                // 发送 GET 请求
                HttpResponseMessage response = await client.GetAsync(url);
                // 确保请求成功,若失败则抛出异常
                response.EnsureSuccessStatusCode();

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

                // 检查响应状态码
                if (jsonarr["status"] != null && (int)jsonarr["status"] != 0)
                {
                    if (jsonarr["msg"] != null)
                    {
                        // 若状态码非 0,输出错误信息
                        Console.WriteLine(jsonarr["msg"]);
                    }
                    return;
                }

                // 获取结果对象
                JObject result = (JObject)jsonarr["result"];
                if (result != null)
                {
                    // 输出商标基本信息
                    Console.WriteLine($"{result["regno"]} {result["classid"]} {result["appdate"]} {result["firsttrialno"]} {result["firsttrialdate"]} " +
                                      $"{result["announceno"]} {result["announcedate"]} {result["startdate"]} {result["enddate"]} " +
                                      $"{result["iscommon"]} {result["type"]} {result["pic"]} {result["agent"]} {result["status"]} " +
                                      $"{result["name"]} {result["registrant"]} {result["idcard"]} {result["address"]}");

                    // 输出商品列表信息
                    JArray productList = (JArray)result["productlist"];
                    if (productList != null)
                    {
                        foreach (JObject val in productList)
                        {
                            Console.WriteLine($"{val["classid"]} {val["name"]}");
                        }
                    }

                    // 输出流程列表信息
                    JArray processList = (JArray)result["processlist"];
                    if (processList != null)
                    {
                        foreach (JObject val in processList)
                        {
                            Console.WriteLine($"{val["name"]} {val["date"]}");
                        }
                    }
                }
            }
        }
        catch (HttpRequestException ex)
        {
            // 处理 HTTP 请求异常
            Console.WriteLine($"请求出错: {ex.Message}");
        }
        catch (Exception ex)
        {
            // 处理其他异常
            Console.WriteLine($"发生错误: {ex.Message}");
        }
    }
	
	public static async Task Main()
    {
        // 调用商标搜索方法
        await Trademark.SearchAsync("手机");
        // 调用商标详情查询方法
        await Trademark.DetailAsync("4952050", 42);
    }
}