[英]HttpClient Post using StreamContent vs String Content
[英]Post call for xml content using HttpClient
如何使xml内容与HttpClient's
内容HttpClient's
PostAsync
操作兼容,以及在何处指定Content-Type = application/xml
的headers
。
错误 - >无法将字符串转换为HttpContent
public async Task GetCustomersAsync(string firstname, string lastname)
{
using (var client = new HttpClient())
{
var content = "<soapenv:Envelope xmlns:xsi...";
var response = await client.PostAsync("https://domain.com/scripts/WebObj.exe/Client.woa/2/ws/ABC", content);
var responseString = await response.Content.ReadAsStringAsync();
}
}
我的猜测是你想要做的是以下几点:
public async Task<string> GetCustomersAsync(string firstname, string lastname)
{
using (var client = new HttpClient())
{
var content = new StringContent("<soapenv:Envelope xmlns:xsi...", Encoding.UTF8, "application/xml");;
var response = await client.PostAsync("https://example.com/scripts/WebObj.exe/Client.woa/2/ws/ABC", content);
return await response.Content.ReadAsStringAsync();
}
}
要么
using (var request = new HttpRequestMessage { RequesteUri = new Uri("POST_URL"), Method = HttpMethod.Post })
{
var content = new StringContent("<soapenv:Envelope xmlns:xsi...");
request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/xml");
}
您可以在此处参考有关可以创建和传递的其他内容类型的更多信息。
要在响应中专门请求xml内容,您必须在内容的标题中定义内容类型。 MediaTypeHeaderValue在内容标头的ContentType属性中进行解析和设置。 这是代码的完整示例;
using (var client = new HttpClient())
{
var content = new StringContent(messageToPOST, Encoding.UTF8, "text/xml");
content.Headers.ContentType = MediaTypeHeaderValue.Parse("text/xml");
response = await client.PostAsync(_uri, content);
responseMsg = await response.Content.ReadAsStringAsync();
}
请求返回的responseMsg属性作为响应可以解析为字符串,否则使用诸如表达式之类的表达式转换为xml并验证为xml
XDocument xdoc = XDocument.Parse(responseMsg);
string xmlAsString = xdoc.ToString();
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