如何使用HTTP客户端调用的MVC Web API行动

Question

我的HTTP客户端的代码是： -

function GetWebApiClient() { 
    var client = new HttpClient(); 
    client.BaseAddress = new Uri(http://localhost:68751); 
    client.DefaultRequestHeaders.Accept.Clear(); 
    client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json")); 
    return client; 
} 

function sendRequest() { 
    using (var client = GetWebApiClient()) 
    { 
      HttpResponseMessage x = await client.GetAsync("api/XYZ/" + somevalue+ "/"); 
    } 
} 

控制器代码： -

public class XYZ : ApiController 
{ 
    [System.Web.Mvc.AllowAnonymous] 
    public string ABC(string id) 
    { 
      //need to call this function from client 
      return ""; 
    } 
} 

每次当我发送请求它与返回时间400错误的请求。

Answer 1

您的方法名称需要具有“Get”关键字或HttpGet属性，或者它不知道根据您的Http方法执行哪个方法。

public class XYZ : ApiController 
{ 
    [System.Web.Mvc.AllowAnonymous] 
    public string GetABC(string id) 
    { 
     //need to call this function from client 
     return ""; 
    } 
} 

OR

public class XYZ : ApiController 
{ 
    [System.Web.Mvc.AllowAnonymous] 
    [HttpGet] 
    public string ABC(string id) 
    { 
     //need to call this function from client 
     return ""; 
    } 
} 

在这里看到更多的细节：WebApi Routing Documentation