private static string AddUrlParams(string url, object requestParams)
{
if (requestParams == null)
{
return(url);
}
string query = "";
if (requestParams is string)
{
query = requestParams.ToString();
}
else
{
var keyValues = WebParamsUtils.ToKeyValuePairs(requestParams);
query = DictToStr(keyValues, "&", true);
}
if (url.IndexOf("?") > 0)
{
url = url + '&' + query;
}
else
{
url = url + '?' + query;
}
return(url);
}
public static async Task <T> PostUrlEncodedAsync <T>(this HttpClient client, string url, object requestParams, IDictionary <string, string> headers = null)
{
var keyValues = WebParamsUtils.ToKeyValuePairs(requestParams);
IDictionary <string, string> encodedParms = new Dictionary <string, string>();
foreach (var item in keyValues)
{
encodedParms.Add(item.Key, item.Value?.ToString());
}
var content = new FormUrlEncodedContent(encodedParms);
//等价于
//var body = WebUtils.BuildQuery(keyValues,false);
//var content = new StringContent(body, Encoding.UTF8, "application/x-www-form-urlencoded");
//ByteArrayContent
return(await PostAsync <T>(client, url, content, headers));
}
public static async Task <T> PostFileAsync <T>(this HttpClient client, string url, object requestParams, byte[] datas, string fileName, IDictionary <string, string> headers = null)
{
var keyValues = WebParamsUtils.ToKeyValuePairs(requestParams);
MultipartFormDataContent content = new MultipartFormDataContent();
foreach (var item in keyValues)
{
content.Add(new StringContent(item.Value?.ToString() ?? string.Empty), item.Key);
}
var fileContent = new ByteArrayContent(datas);
fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse("application/octet-stream");// = MediaTypeHeaderValue.Parse("audio/mp3");
content.Add(fileContent, "file", fileName);
return(await PostAsync <T>(client, url, content, headers));
}