public static class HttpHelper
{
//private static LogHelper Log { get; } = new LogHelper("HttpHelper");
/// <summary>
/// 发起POST同步请求
/// </summary>
/// <param name="url"></param>
/// <param name="postData"></param>
/// <param name="contentType">application/xml、application/json、application/text、application/x-www-form-urlencoded</param>
/// <param name="headers">填充消息头</param>
/// <returns></returns>
public static string Post(string url, string postData = null, string contentType = "application/json", int timeout = 30, Dictionary<string, string> headers = null, bool errorException = false)
{
postData = postData ?? "";
using (var client = new HttpClient())
{
client.Timeout = new TimeSpan(0, 0, timeout);
if (headers != null)
{
foreach (var header in headers)
{
client.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
using (var httpContent = new StringContent(postData, Encoding.UTF8))
{
if (contentType != null)
{
httpContent.Headers.ContentType = new MediaTypeHeaderValue(contentType);
}
try
{
var response = client.PostAsync(url, httpContent).Result;
return response.Content.ReadAsStringAsync().Result;
}
catch (Exception ex)
{
if (errorException)
{
throw ex;
}
//Log.Error(ex);
return string.Empty;
}
}
}
}
/// <summary>
/// 发起POST异步请求
/// </summary>
/// <param name="url"></param>
/// <param name="postData"></param>
/// <param name="contentType">application/xml、application/json、application/text、application/x-www-form-urlencoded</param>
/// <param name="headers">填充消息头</param>
/// <returns></returns>
public static async Task<string> PostAsync(string url, string postData = null, string contentType = "application/json", int timeout = 30, Dictionary<string, string> headers = null)
{
postData = postData ?? "";
using (var client = new HttpClient())
{
client.Timeout = new TimeSpan(0, 0, timeout);
if (headers != null)
{
foreach (var header in headers)
{
client.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
using (HttpContent httpContent = new StringContent(postData, Encoding.UTF8))
{
if (contentType != null)
{
httpContent.Headers.ContentType = new MediaTypeHeaderValue(contentType);
}
try
{
var response = await client.PostAsync(url, httpContent);
return await response.Content.ReadAsStringAsync();
}
catch (Exception ex)
{
//Log.Error(ex);
return string.Empty;
}
}
}
}
/// <summary>
/// 发起GET同步请求
/// </summary>
/// <param name="url"></param>
/// <param name="headers"></param>
/// <param name="contentType"></param>
/// <returns></returns>
public static string Get(string url, string contentType = "application/json", Dictionary<string, string> headers = null)
{
using (HttpClient client = new HttpClient())
{
if (contentType != null)
{
client.DefaultRequestHeaders.Add("ContentType", contentType);
}
if (headers != null)
{
foreach (var header in headers)
{
client.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
try
{
var response = client.GetAsync(url).Result;
return response.Content.ReadAsStringAsync().Result;
}
catch (Exception ex)
{
//Log.Error(ex);
return string.Empty;
}
}
}
/// <summary>
/// 发起GET同步请求
/// </summary>
/// <param name="url"></param>
/// <param name="headers"></param>
/// <param name="contentType"></param>
/// <returns></returns>
public static string Get(string url, HttpClientHandler clientHandler, string contentType = "application/json", Dictionary<string, string> headers = null)
{
using (var client = new HttpClient(clientHandler))
{
if (contentType != null)
{
client.DefaultRequestHeaders.Add("ContentType", contentType);
}
if (headers != null)
{
foreach (var header in headers)
{
client.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
try
{
var response = client.GetAsync(url).Result;
return response.Content.ReadAsStringAsync().Result;
}
catch (Exception ex)
{
//Log.Error(ex);
return string.Empty;
}
}
}
/// <summary>
/// 发起GET异步请求
/// </summary>
/// <param name="url"></param>
/// <param name="headers"></param>
/// <param name="contentType"></param>
/// <returns></returns>
public static async Task<string> GetAsync(string url, string contentType = "application/json", Dictionary<string, string> headers = null)
{
using (var client = new HttpClient())
{
if (contentType != null)
{
client.DefaultRequestHeaders.Add("ContentType", contentType);
}
if (headers != null)
{
foreach (var header in headers)
{
client.DefaultRequestHeaders.Add(header.Key, header.Value);
}
}
try
{
var response = await client.GetAsync(url);
return await response.Content.ReadAsStringAsync();
}
catch (Exception ex)
{
//Log.Error(ex);
return string.Empty;
}
}
}
/// <summary>
/// 发起POST同步请求
/// </summary>
/// <param name="url"></param>
/// <param name="postData"></param>
/// <param name="contentType">application/xml、application/json、application/text、application/x-www-form-urlencoded</param>
/// <param name="headers">填充消息头</param>
/// <returns></returns>
//public static T Post<T>(string url, string postData = null, string contentType = "application/json", int timeout = 30, Dictionary<string, string> headers = null)
//{
// return Post(url, postData, contentType, timeout, headers).ToEntity<T>();
//}
/// <summary>
/// 发起POST异步请求
/// </summary>
/// <param name="url"></param>
/// <param name="postData"></param>
/// <param name="contentType">application/xml、application/json、application/text、application/x-www-form-urlencoded</param>
/// <param name="headers">填充消息头</param>
/// <returns></returns>
//public static async Task<T> PostAsync<T>(string url, string postData = null, string contentType = "application/json", int timeout = 30, Dictionary<string, string> headers = null)
//{
// var res = await PostAsync(url, postData, contentType, timeout, headers);
// return res.ToEntity<T>();
//}
public static string PostResponse(string url, string postData, string strContentType, out string statusCode)
{
if (url.StartsWith("https"))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
}
var httpContent = new StringContent(postData);
httpContent.Headers.ContentType = new MediaTypeHeaderValue(strContentType)
{
CharSet = "utf-8"
};
var httpClient = new HttpClient();
//httpClient..setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
var response = httpClient.PostAsync(url, httpContent).Result;
statusCode = response.StatusCode.ToString();
if (response.IsSuccessStatusCode)
{
return response.Content.ReadAsStringAsync().Result;
}
return null;
}
/// <summary>
/// 发起GET同步请求
/// </summary>
/// <param name="url"></param>
/// <param name="headers"></param>
/// <param name="contentType"></param>
/// <returns></returns>
//public static T Get<T>(string url, string contentType = "application/json", Dictionary<string, string> headers = null)
//{
// return Get(url, contentType, headers).ToEntity<T>();
//}
/// <summary>
/// 发起GET异步请求
/// </summary>
/// <param name="url"></param>
/// <param name="headers"></param>
/// <param name="contentType"></param>
/// <returns></returns>
//public static async Task<T> GetAsync<T>(string url, string contentType = "application/json", Dictionary<string, string> headers = null)
//{
// var res = await GetAsync(url, contentType, headers);
// return res.ToEntity<T>();
//}
}
标签：contentType,string,headers,url,HttpHelper,application,null From： https://www.cnblogs.com/tiancaige/p/18091488