Linux-CPF_Inter/CPF_Cef/Common/ChunkedUpload.cs

using AKS.EnterpriseLibrary.WebBrowser;
using AksWebBrowser.Devices;
using AKSWebBrowser.Commen;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

namespace AksWebBrowser.Common
{
    public class ChunkedUpload
    {
        private readonly HttpClient _httpClient;
        public static string callback = string.Empty;
        public ChunkedUpload(HttpClient httpClient)
        {
            _httpClient = httpClient;
        }

        public async Task<string> UploadFileAsync(string url, string filePath)
        {
            string ret = string.Empty;
            using (var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
            {
                FileInfo fileInfo = new FileInfo(filePath);
                int totalParts = 1;
                int chunkNumber = 1;
                // 读取文件流其实位置
                var fileStreamPos = 0;
                var uploadUrl = $"{url}?partNumber={chunkNumber}&chunks={totalParts}&size={fileInfo.Length}&start={fileStreamPos}&end={fileInfo.Length}&total={fileInfo.Length}&FileName={Path.GetFileName(filePath)}";

                using (var client = new HttpClient())
                {

                    var formData = new MultipartFormDataContent();
                    formData.Add(new StreamContent(fileStream, (int)fileStream.Length), "file", Path.GetFileName(filePath) + ".partNumber-1");
                    var response = await client.PostAsync(uploadUrl, formData);
                    var responseString = await response.Content.ReadAsStringAsync();
                    fileStream.Close();
                    fileStream.Dispose();
                    ret = responseString;
                    JObject jo = (JObject)JsonConvert.DeserializeObject(ret);
                    Log.Info("上传文件返回：" + ret);
                    if (Convert.ToBoolean(jo["IsSucceed"].ToString()) == true)
                    {
                        string result = jo["result"].ToString();
                        JObject jo1 = (JObject)JsonConvert.DeserializeObject(result);
                        ret = jo1["url"].ToString();
                    }
                }
            }
            return ret;
        }

        /// <summary>
        /// get请求 Task<string>
        /// </summary>
        /// <returns></returns>

        public async Task<string> getReq(string query)
        {
            string ret = string.Empty;
            ret = await NewMethod(query, ret);
            if (query.Contains("getFrame"))
            {
                string img = string.Empty;
                int num = 0;
                while (string.IsNullOrEmpty(img) && num < 5)
                {
                    JObject jo = (JObject)JsonConvert.DeserializeObject(ret);
                    if (jo["returnCode"].ToString() == "0")
                    {
                        string data = jo["data"].ToString();
                        JObject jo1 = (JObject)JsonConvert.DeserializeObject(data);
                        //Log.Info("img" + num + (jo1["img"].ToString()));
                        if (string.IsNullOrEmpty(jo1["img"].ToString()))
                        {
                            ret = await NewMethod(query, ret);
                        }
                        else
                        {
                            img = jo1["img"].ToString();
                            num = 6;
                        }
                    }
                    else
                    {
                        if (jo["returnCode"].ToString() == "1")
                        {
                            Parame.isGPY = false;
                        }
                        ret = await NewMethod(query, ret);
                    }
                    num++;
                }
            }
            return ret;
        }

        private static async Task<string> NewMethod(string query, string ret)
        {
            using (var httpClient = new HttpClient())
            {
                // 构建带参数的请求URI
                var uri = Parame.gpyUrl + query;
                try
                {
                    // 发送GET请求
                    HttpResponseMessage response = await httpClient.GetAsync(uri);
                    response.EnsureSuccessStatusCode();
                    if (response.StatusCode.ToString() == "OK")
                    {
                        // 读取响应内容
                        string body = await response.Content.ReadAsStringAsync();
                        ret = body;
                    }
                }
                catch (HttpRequestException e)
                {
                    //Log.Error(" get请求： " + e.Message);
                }
            }

            return ret;
        }

        /// <summary>
        /// 获取签字版数据
        /// </summary>
        /// <returns></returns>
        public async Task<string> PostSign(string type, int typeCode, string code, int timeout)
        {
            try
            {
                //关闭签字版
                await PublicSign("close", 2, timeout);
                Task.Delay(500).Wait();
                string body = await PublicSign(type, typeCode, timeout);
                if (!string.IsNullOrEmpty(body))
                {
                    if (type == "open" && typeCode == 1)
                    {
                        JObject jo = (JObject)JsonConvert.DeserializeObject(body);
                        string ret = jo["ret_info"].ToString();
                        JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                        if (jo2["code"].ToString() == "0")
                        {
                            //读取data数据
                            string data = jo["data"].ToString();
                            JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                            //读取parameters数据
                            string parameters = jo3["parameters"].ToString();
                            JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                            string sign_pic = jo4["sign_pic"].ToString();
                            return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"success\",\"code\":200,\"status\":true,\"suffix\":\"png\",\"data\":\"" + sign_pic + "\"}";
                        }
                        else if (jo2["code"].ToString() == "1")
                        {
                            Task.Delay(500).Wait();
                            //关闭签字版
                            await PublicSign("close", 2, timeout);
                            Task.Delay(500).Wait();
                            //打开签字版
                            body = await PublicSign(type, typeCode, timeout);
                            if (!string.IsNullOrEmpty(body))
                            {
                                jo = (JObject)JsonConvert.DeserializeObject(body);
                                ret = jo["ret_info"].ToString();
                                jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                                if (jo2["code"].ToString() == "0")
                                {
                                    //读取data数据
                                    string data = jo["data"].ToString();
                                    JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                                    //读取parameters数据
                                    string parameters = jo3["parameters"].ToString();
                                    JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                                    string sign_pic = jo4["sign_pic"].ToString();
                                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"success\",\"code\":200,\"status\":true,\"suffix\":\"png\",\"data\":\"" + sign_pic + "\"}";
                                }
                                else
                                {
                                    //Log.Error("请求签字失败" + jo["message"].ToString());
                                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "签字失败" + "\"}";
                                }
                            }
                            else if (jo2["code"].ToString() == "2")
                            {
                                return "{\"timestamp\":\"" + "" + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "取消签字" + "\"}";
                            }
                            else
                            {
                                if (type == "open" && typeCode == 1)
                                {
                                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "签字失败" + "\"}";
                                }
                                else
                                {
                                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "关闭签字失败" + "\"}";
                                }
                            }
                        }
                        else if (jo2["code"].ToString() == "2")
                        {
                            return "{\"timestamp\":\"" + "" + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "取消签字" + "\"}";
                        }
                        else
                        {
                            //Log.Error("请求签字失败" + jo["message"].ToString());
                            return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "签字失败" + "\"}";
                        }
                    }
                    else
                    {
                        return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"success\",\"code\":\"200\",\"status\":true,\"suffix\":\"png\",\"data\":\"" + "关闭成功" + "\"}";
                    }
                }
                else
                {
                    if (type == "open" && typeCode == 1)
                    {
                        return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "签字失败" + "\"}";
                    }
                    else
                    {
                        return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "关闭签字失败" + "\"}";
                    }
                }
            }
            catch (Exception ex)
            {
                if (ex.Message.Contains("HttpClient.Timeout"))
                {
                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "在规定时间内未签字" + "\"}";
                }
                else
                {
                    return "{\"timestamp\":\"" + Utils.GetTimestamp() + "\",\"keycode\":\"" + code + "\",\"message\":\"Falied\",\"code\":\"400\",\"status\":false,\"suffix\":\"png\",\"data\":\"" + "签字异常" + "\"}";
                }
            }
        }

        /// <summary>
        /// 签字版公共请求
        /// </summary>
        /// <param name="type"></param>
        /// <param name="typeCode"></param>
        /// <param name="timeout"></param>
        /// <returns></returns>
        public async Task<string> PublicSign(string type, int typeCode, int timeout)
        {
            string body = string.Empty;
            timeout = timeout == 0 ? Parame.timeout : timeout;
            var client = new HttpClient();
            client.Timeout = TimeSpan.FromSeconds(timeout);
            var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
            var content = new StringContent("{\r\n        \"command\": \"sign\",\r\n        \"command_num\": 111,\r\n        \"data\": {\r\n            \"operation\": \"" + type + "\",\r\n            \"operation_code\": " + typeCode + ",\r\n            \"parameters\": {\r\n                \"data_type\": 1\r\n        }\r\n    }\r\n}", null, "application/json");
            request.Content = content;
            var response = await client.SendAsync(request);
            response.EnsureSuccessStatusCode();
            if (response.StatusCode.ToString() == "OK")
            {
                body = await response.Content.ReadAsStringAsync();
            }
            return body;
        }

        /// <summary>
        /// 文字转语音
        /// </summary>
        /// <returns></returns>
        public async Task<string> PostTTS(string type, int typeCode, string tts_text)
        {
            try
            {
                if (tts_text.Length <= 2000)
                {
                    var client = new HttpClient();
                    var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                    var content = new StringContent("{\r\n        \"command\": \"tts\",\r\n        \"command_num\": 201,\r\n        \"data\": {\r\n            \"operation\": \"text_to_wav\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n                \"data_type\": 1,\r\n                \"tts_text\": \"" + tts_text + "\"\r\n            }\r\n        }\r\n    }", null, "application/json");
                    request.Content = content;
                    var response = await client.SendAsync(request);
                    response.EnsureSuccessStatusCode();
                    if (response.StatusCode.ToString() == "OK")
                    {
                        // 读取响应内容
                        string body = await response.Content.ReadAsStringAsync();
                        // Log.Info("文字转语音:" + body);
                        JObject jo = (JObject)JsonConvert.DeserializeObject(body);
                        string ret = jo["ret_info"].ToString();
                        JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                        if (jo2["code"].ToString() == "0")
                        {
                            //读取data数据
                            //读取data数据
                            string data = jo["data"].ToString();
                            JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                            //读取parameters数据
                            string parameters = jo3["parameters"].ToString();
                            JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                            //返回文件路径
                            string sound_path = jo4["sound_path"].ToString();
                            return sound_path;
                        }
                        else
                        {
                            //Log.Error("请求签字失败" + jo["message"].ToString());
                            return "";
                        }
                    }
                    else
                    {
                        return "";
                    }
                }
                else
                {
                    int segmentLength = 2000;
                    string[] segments = Utils.SplitTextIntoSegments(tts_text, segmentLength);
                    List<string> lit = new List<string>();
                    string _tmp = string.Empty;
                    foreach (string segment in segments)
                    {
                        var client = new HttpClient();
                        var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                        var content = new StringContent("{\r\n        \"command\": \"tts\",\r\n        \"command_num\": 201,\r\n        \"data\": {\r\n            \"operation\": \"text_to_wav\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n                \"data_type\": 1,\r\n                \"tts_text\": \"" + segment + "\"\r\n            }\r\n        }\r\n    }", null, "application/json");
                        request.Content = content;
                        var response = await client.SendAsync(request);
                        response.EnsureSuccessStatusCode();
                        if (response.StatusCode.ToString() == "OK")
                        {
                            // 读取响应内容
                            string body = await response.Content.ReadAsStringAsync();
                            // Log.Info("文字转语音:" + body);
                            JObject jo = (JObject)JsonConvert.DeserializeObject(body);
                            string ret = jo["ret_info"].ToString();
                            JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                            if (jo2["code"].ToString() == "0")
                            {
                                //读取data数据
                                //读取data数据
                                string data = jo["data"].ToString();
                                JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                                //读取parameters数据
                                string parameters = jo3["parameters"].ToString();
                                JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                                //返回文件路径
                                string sound_path = jo4["sound_path"].ToString();
                                lit.Add(sound_path);
                                _tmp = _tmp + " " + sound_path + " ";
                            }
                        }

                    }
                    if (lit.Count == segments.Length)
                    {
                        string time = DateTime.Now.ToString("yyyyMMddHHmmss", DateTimeFormatInfo.InvariantInfo);
                        string path = $"/tmp/{time}.wav";
                        string command = $"sox {_tmp} -m {path}";
                        MainModel.ShllCommad(command);
                        return path;
                    }
                    else
                    {
                        return "";
                    }
                }
            }
            catch (Exception ex)
            {
                return "";
            }
        }

        /// <summary>
        /// 获取指纹
        /// </summary>
        /// <returns></returns>
        public async Task<string> PostFinger(string type, int typeCode, int timeout)
        {
            try
            {
                await PublicFinger("close", 2, timeout);
                Task.Delay(500).Wait();
                string body = await PublicFinger(type, typeCode, timeout);
                if (!string.IsNullOrEmpty(body))
                {

                    JObject jo = (JObject)JsonConvert.DeserializeObject(body);
                    string ret = jo["ret_info"].ToString();
                    JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                    if (jo2["code"].ToString() == "0")
                    {
                        if (type == "open" && typeCode == 1)
                        {
                            //读取指纹
                            if (typeCode == 1)
                            {
                                //读取data数据
                                string data = jo["data"].ToString();
                                JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                                //读取parameters数据
                                string parameters = jo3["parameters"].ToString();
                                JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                                //读取签字base64
                                string fpr_pic = jo4["fpr_pic"].ToString();
                                return fpr_pic;
                            }
                            else
                            {
                                //关闭指纹
                                return "200";
                            }
                        }
                        else
                        {
                            //关闭指纹
                            return "200";
                        }

                    }
                    else if (jo2["code"].ToString() == "1")
                    {
                        Task.Delay(500).Wait();
                        body = await PublicFinger("close", 2, timeout);
                        Task.Delay(500).Wait();
                        body = await PublicFinger(type, typeCode, timeout);
                        if (!string.IsNullOrEmpty(body))
                        {
                            jo = (JObject)JsonConvert.DeserializeObject(body);
                            ret = jo["ret_info"].ToString();
                            jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                            if (jo2["code"].ToString() == "0")
                            {
                                //读取指纹
                                if (typeCode == 1)
                                {
                                    //读取data数据
                                    string data = jo["data"].ToString();
                                    JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                                    //读取parameters数据
                                    string parameters = jo3["parameters"].ToString();
                                    JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                                    //读取签字base64
                                    string fpr_pic = jo4["fpr_pic"].ToString();
                                    return fpr_pic;
                                }
                                else
                                {
                                    //关闭指纹
                                    return "200";
                                }
                            }
                            else
                            {
                                return "";
                            }
                        }
                        else { return ""; }
                    }
                    else
                    {
                        //Log.Error("请求签字失败" + jo["message"].ToString());
                        return "";
                    }

                }
                else
                {
                    return "";
                }
            }
            catch (Exception ex)
            {
                if (ex.Message.Contains("HttpClient.Timeout"))
                {
                    return "HttpClient.Timeout";
                }
                else
                {
                    return "";
                }
            }
        }

        /// <summary>
        /// 公共读取指纹
        /// </summary>
        /// <param name="type"></param>
        /// <param name="typeCode"></param>
        /// <param name="timeout"></param>
        /// <returns></returns>
        public async Task<string> PublicFinger(string type, int typeCode, int timeout)
        {
            string body = string.Empty;
            try
            {
                timeout = timeout == 0 ? Parame.timeout : timeout;
                var client = new HttpClient();
                client.Timeout = TimeSpan.FromSeconds(timeout);
                var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                var content = new StringContent("{\r\n        \"command\": \"finger\",\r\n        \"command_num\": 121,\r\n        \"data\": {\r\n            \"operation\": \"" + type + "\",\r\n            \"operation_code\":  " + typeCode + ",\r\n            \"parameters\": {\r\n            }\r\n        }\r\n}", null, "text/plain");
                request.Content = content;
                var response = await client.SendAsync(request);
                response.EnsureSuccessStatusCode();
                if (response.StatusCode.ToString() == "OK")
                {
                    body = await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception)
            {

                return "";
            }
            return body;
        }

        /// <summary>
        /// 读取身份证
        /// </summary>
        /// <returns></returns>
        public async Task<string> OpenGetIdcard(string type, int typeCode, int timeout)
        {
            try
            {
                timeout = timeout == 0 ? Parame.timeout : timeout;
                var client = new HttpClient();
                client.Timeout = TimeSpan.FromSeconds(timeout);
                var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                var content = new StringContent("{\r\n        \"command\": \"idcard\",\r\n        \"command_num\": 141,\r\n        \"data\": {\r\n            \"operation\": \"open\",\r\n            \"operation_code\": 1,\r\n            \"parameters\": {\r\n            }\r\n        }\r\n}", null, "text/plain");
                request.Content = content;
                var response = await client.SendAsync(request);
                response.EnsureSuccessStatusCode();
                if (response.StatusCode.ToString() == "OK")
                {
                    // 读取响应内容
                    string body = await response.Content.ReadAsStringAsync();
                    JObject jo = (JObject)JsonConvert.DeserializeObject(body);
                    string ret = jo["ret_info"].ToString();
                    JObject jo2 = (JObject)JsonConvert.DeserializeObject(ret);
                    if (jo2["code"].ToString() == "0")
                    {
                        //读取指纹
                        if (typeCode == 1)
                        {
                            //读取data数据
                            string data = jo["data"].ToString();
                            JObject jo3 = (JObject)JsonConvert.DeserializeObject(data);
                            //读取parameters数据
                            string parameters = jo3["parameters"].ToString();
                            JObject jo4 = (JObject)JsonConvert.DeserializeObject(parameters);
                            string base64 = jo4["face_data"].ToString();
                            IDCardModel iDCardModel = new IDCardModel();
                            iDCardModel.Name = jo4["cn_name"].ToString();
                            iDCardModel.Sex = jo4["sex"].ToString();
                            iDCardModel.Nation = jo4["nation"].ToString();
                            iDCardModel.BirthDay = jo4["birth_date"].ToString();
                            iDCardModel.Addr = jo4["address"].ToString();
                            iDCardModel.Id = jo4["idcard_number"].ToString();
                            iDCardModel.Regorg = jo4["deparment"].ToString();
                            iDCardModel.StartDate = jo4["validity_begin"].ToString();
                            iDCardModel.EndDate = jo4["balidity_end"].ToString();
                            iDCardModel.ImageBase64 = "data:image/jpg;base64," + base64;
                            var OBJ = new
                            {
                                Data = iDCardModel
                            };
                            return JsonConvert.SerializeObject(OBJ);
                        }
                        else
                        {
                            //关闭
                            return "200";
                        }
                    }
                    else
                    {
                        //Log.Error("请求签字失败" + jo["message"].ToString());
                        return "";
                    }
                }
                else
                {
                    return "";
                }
            }
            catch (Exception ex)
            {
                if (ex.Message.Contains("HttpClient.Timeout"))
                {
                    return "HttpClient.Timeout";
                }
                else
                {
                    return "";
                }
            }
        }

        /// <summary>
        /// 公共读取指纹
        /// </summary>
        /// <param name="type"></param>
        /// <param name="typeCode"></param>
        /// <param name="timeout"></param>
        /// <returns></returns>
        public async Task<string> PublicIdcard(string type, int typeCode, int timeout)
        {
            string body = string.Empty;
            try
            {
                timeout = timeout == 0 ? Parame.timeout : timeout;
                var client = new HttpClient();
                client.Timeout = TimeSpan.FromSeconds(timeout);
                var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                var content = new StringContent("{\r\n        \"command\": \"idcard\",\r\n        \"command_num\": 141,\r\n        \"data\": {\r\n            \"operation\": \"close\",\r\n            \"operation_code\": 2,\r\n            \"parameters\": {\r\n            }\r\n        }\r\n}", null, "text/plain");
                request.Content = content;
                var response = await client.SendAsync(request);
                response.EnsureSuccessStatusCode();
                if (response.StatusCode.ToString() == "OK")
                {
                    body = await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception)
            {
                return "";
            }
            return body;
        }

        /// <summary>
        /// 获取问题
        /// </summary>
        /// <param name="PetitionId"></param>
        /// <param name="PId"></param>
        /// <param name="Name"></param>
        /// <param name="PageIndex"></param>
        /// <param name="PageSize"></param>
        /// <returns></returns>
        public async Task<string> GetQuestionAnswer(string PetitionId, string PId, string Name, int PageIndex, int PageSize)
        {
            string body = string.Empty;
            try
            {
                var client = new HttpClient();
                var request = new HttpRequestMessage(HttpMethod.Post, Parame.qwUrl + "/api/QuestionAnswer/Query");
                var content = new StringContent("{\r\n    \"PetitionId\": \"" + PetitionId + "\",\r\n    \"PId\": \"" + PId + "\",\r\n    \"Name\": \"" + Name + "\",\r\n    \"PageIndex\": " + PageIndex + ",\r\n    \"PageSize\": " + PageSize + "\r\n}", null, "application/json");
                request.Content = content;
                var response = await client.SendAsync(request);
                response.EnsureSuccessStatusCode();
                if (response.StatusCode.ToString() == "OK")
                {
                    body = await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception)
            {
                return "";
            }
            return body;
        }


    }
}