[英]C# HttpClient returns error 404 Not found
花了几个小时试图弄清楚这一点。 响应消息始终有404未找到错误。 任何帮助将不胜感激!
public static class BackendlessAPIHelper
{
internal static string appId = "my-app-id";
internal static string restSecret = "my-api-secret";
internal static string backendlessBase = "https://api.backendless.com/";
internal static string signupUrl = "v1/user/register";
public static async Task<bool> UserSignup(string username, string password)
{
bool signupsuccessful = false;
var client = new HttpClient();
UserSignupBackendless newuser = new UserSignupBackendless { email = username, password = password };
string newuserjson = JsonConvert.SerializeObject(newuser);
try
{
client.BaseAddress = new Uri(backendlessBase);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Add("application-id", BackendlessAPIHelper.appId);
client.DefaultRequestHeaders.Add("secret-key", BackendlessAPIHelper.restSecret);
client.DefaultRequestHeaders.Add("application-type", "REST");
StringContent theContent = new StringContent(newuserjson, System.Text.Encoding.UTF8, "application/json");
HttpResponseMessage response = await client.PostAsync(backendlessBase+signupUrl, theContent);
if (response.IsSuccessStatusCode)
{
signupsuccessful = true;
return signupsuccessful;
}
else
return signupsuccessful;
}
catch(Exception ex)
{
ex.ToString();
return signupsuccessful;
}
}
}
以下是API文档: https : //backendless.com/documentation/users/rest/users_user_registration.htm
我关注了位于此处的文章: http : //blogs.msdn.com/b/wsdevsol/archive/2013/02/05/how-to-use-httpclient-to-post-json-data.aspx
更新:我意识到了错误。 注册网址不正确(缺少字符)。
我认为您的基本网址正在重复:
client.BaseAddress = new Uri(backendlessBase);
// ...
HttpResponseMessage response = await client.PostAsync(backendlessBase+signupUrl, theContent);
您要指定两次backendlessBase
。 如果您已经使用BaseAddress
指定了基准,则不要在调用中再次指定基准。
另外,如果您仔细阅读文档,则是users/register
,而不是user/register
。
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