kazelee
2 天以前 74ca5a83f24c53c48ad7e6f5b7739649fb411546
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
 
namespace HH.WCS.Mobox3.DSZSH.util {
    // 尝试优化HttpHelper
    public class WebHelper : IDisposable {
        private readonly HttpClient _httpClient;
        private readonly int _timeoutSeconds;
 
        public WebHelper(int timeoutSeconds = 3) {
            _httpClient = new HttpClient();
            _timeoutSeconds = timeoutSeconds;
            _httpClient.Timeout = TimeSpan.FromSeconds(_timeoutSeconds);
        }
 
        #region 异步方法
        public async Task<string> GetAsync(string url, Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Get, url)) {
                    AddHeaders(request, headers);
 
                    var response = await _httpClient.SendAsync(request);
                    response.EnsureSuccessStatusCode();
 
                    return await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"GET request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public async Task<string> PostAsync(string url, string content, string contentType = "application/json", Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Post, url)) {
                    AddHeaders(request, headers);
 
                    request.Content = new StringContent(content, Encoding.UTF8, contentType);
                    var response = await _httpClient.SendAsync(request);
                    response.EnsureSuccessStatusCode();
 
                    return await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"POST request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public async Task<string> PutAsync(string url, string content, string contentType = "application/json", Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Put, url)) {
                    AddHeaders(request, headers);
 
                    request.Content = new StringContent(content, Encoding.UTF8, contentType);
                    var response = await _httpClient.SendAsync(request);
                    response.EnsureSuccessStatusCode();
 
                    return await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"PUT request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public async Task<string> DeleteAsync(string url, Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Delete, url)) {
                    AddHeaders(request, headers);
 
                    var response = await _httpClient.SendAsync(request);
                    response.EnsureSuccessStatusCode();
 
                    return await response.Content.ReadAsStringAsync();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"DELETE request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
        #endregion
 
        #region 同步方法
        public string WebGet(string url, Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Get, url)) {
                    AddHeaders(request, headers);
 
                    var response = _httpClient.SendAsync(request).GetAwaiter().GetResult();
                    response.EnsureSuccessStatusCode();
 
                    return response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"GET request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public string WebPost(string url, string postData, string contentType = "application/json", Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Post, url)) {
                    AddHeaders(request, headers);
 
                    request.Content = new StringContent(postData, Encoding.UTF8, contentType);
                    var response = _httpClient.SendAsync(request).GetAwaiter().GetResult();
                    response.EnsureSuccessStatusCode();
 
                    return response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"POST request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public string WebPut(string url, string putData, string contentType = "application/json", Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Put, url)) {
                    AddHeaders(request, headers);
 
                    request.Content = new StringContent(putData, Encoding.UTF8, contentType);
                    var response = _httpClient.SendAsync(request).GetAwaiter().GetResult();
                    response.EnsureSuccessStatusCode();
 
                    return response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"PUT request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
 
        public string WebDelete(string url, Dictionary<string, string> headers = null) {
            try {
                using (var request = new HttpRequestMessage(HttpMethod.Delete, url)) {
                    AddHeaders(request, headers);
 
                    var response = _httpClient.SendAsync(request).GetAwaiter().GetResult();
                    response.EnsureSuccessStatusCode();
 
                    return response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
                }
            }
            catch (Exception e) {
                LogHelper.Info($"DELETE request failed: {e.Message}", "API");
                return string.Empty;
            }
        }
        #endregion
 
        private void AddHeaders(HttpRequestMessage request, Dictionary<string, string> headers) {
            if (headers != null) {
                foreach (var header in headers) {
                    request.Headers.TryAddWithoutValidation(header.Key, header.Value);
                }
            }
        }
 
        public void Dispose() {
            _httpClient?.Dispose();
        }
    }
}