C# MVC控制器将整个模型发布到远程api操作
我想从我的前端MVC站点调用一个API。这两个应用程序在同一网络上的不同服务器上运行 API控制器的功能类似于:C# MVC控制器将整个模型发布到远程api操作,c#,asp.net-mvc,api,post,C#,Asp.net Mvc,Api,Post,我想从我的前端MVC站点调用一个API。这两个应用程序在同一网络上的不同服务器上运行 API控制器的功能类似于: [AllowCrossSiteJson] public class VerifyMyModelController : ApiController { [HttpPost] public MyResponse Post(MyModel model) { return MyHelper.VerifyMyModel(model); }
[AllowCrossSiteJson]
public class VerifyMyModelController : ApiController
{
[HttpPost]
public MyResponse Post(MyModel model)
{
return MyHelper.VerifyMyModel(model);
}
[HttpPost]
public async Task<MyResponse> PostAsync(MyModel model)
{
return await MyHelper.VerifyMyModel(model);
}
// ... Gets below as well
}
var响应
包含错误消息响应500
我还尝试使用查询字符串:
public string GetQueryString(object obj)
{
var properties = from p in obj.GetType().GetProperties()
where p.GetValue(obj, null) != null
select p.Name + "=" + HttpUtility.UrlEncode(p.GetValue(obj, null).ToString());
return String.Join("&", properties.ToArray());
}
[HttpPost]
public async Task<MyResponse> VerifyAsync(MyModel model)
{
var MyServer = ConfigurationManager.AppSettings["MyServer"];
string queryString = GetQueryString(model);
var requestUri = string.Format(@"http://{0}/api/VerifyMyModel/?{1}", MyServer, queryString);
using (var c = new HttpClient()){
var response = await c.GetAsync(requestUri); // API Also has GET methods
}
}
我将以下内容添加到API的MVC站点的HomeController
,以对其进行测试,并收到预期结果,没有错误:
public async Task<ActionResult> TestVerifyMyModel(MyModel model)
{
var api = new VerifyMyModelController();
var res = await api.PostAsync(model);
return Json(res, JsonRequestBehavior.AllowGet);
}
公共异步任务。它对我来说没有任何意义,但我认为它可能会有所帮助。发布的路由配置看起来更像您的MVC路由配置,而不是Web Api配置。但是如果是Web Api配置,那么您不应该将ActionName添加到url中吗
[HttpPost]
public async Task<MyResponse> VerifyAsync(MyModel model)
{
var MyServer = ConfigurationManager.AppSettings["MyServer"];
var json = Newtonsoft.Json.JsonConvert.SerializeObject(model);
var requestUri = string.Format(@"http://{0}/api/VerifyMyModel/PostAsync", MyServer);
using (var c = new HttpClient())
{
var response = await c.PostAsJsonAsync(requestUri, json);
}
...
}
[HttpPost]
公共异步任务VerifySync(MyModel模型)
{
var MyServer=ConfigurationManager.AppSettings[“MyServer”];
var json=Newtonsoft.json.JsonConvert.SerializeObject(模型);
var requestUri=string.Format(@“http://{0}/api/VerifyMyModel/PostAsync”,MyServer);
使用(var c=newhttpclient())
{
var response=wait c.PostAsJsonAsync(requestUri,json);
}
...
}
更新:从HttpClient响应检索模型的示例代码
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(ConfigurationManager.AppSettings["MyServer"]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync("api/VerifyMyModel/PostAsync");
if (response.IsSuccessStatusCode)
{
var myResponseModel = await response.Content.ReadAsAsync<MyResponseModel>();
}
}
使用(var-client=new-HttpClient())
{
client.BaseAddress=新Uri(ConfigurationManager.AppSettings[“MyServer”]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(新的MediaTypeWithQualityHeaderValue(“应用程序/json”);
HttpResponseMessage response=wait client.GetAsync(“api/VerifyMyModel/PostAsync”);
if(响应。IsSuccessStatusCode)
{
var myResponseModel=wait response.Content.ReadAsAsync();
}
}
显示远程web API的路由配置您提到它是一个远程web API,它是否托管在同一个域上?如果没有,您必须启用跨站点请求,如果您没有,我已经添加了API的RouteConfig。API服务器位于同一个域上,使用http://ServerName/IISSiteName
我添加了一个通过谷歌找到的AllowCrossSiteJsonAttribute
。感谢您的回复。路由配置是VS创建的默认配置,我确信我选择了MVC API解决方案。。我更新了我的代码以匹配您的答案,但是我的响应是500内部服务器错误:发生了一个错误。
我们的elmah日志中没有记录任何内容,因此我无法找出原因。我为原始问题添加了一个额外的测试,API在调用自身时工作,似乎不是从其他地方来的。可能会有一些混乱。当您创建ASP.net MVC模板+Web API时,您应该获得2个配置文件:RouteConfig.cs(MVC)WebApiConfig.cs(Web API)。您应该有两种类型的控制器MVC和API。所以你可能需要重新检查哪个调用哪个。啊,我确实有那两个文件。控制器中的差异是它继承的吗<代码>:控制器
vs:ApiController
?谢谢你的帮助。最后一件事,response
中现在有状态代码200
。如何使其具有MyResponse
对象?这就是API调用应该返回的内容。。ThanksI使用示例代码更新了答案,以检索模型对象(假设您将其添加到api调用中的响应中)。希望有帮助!
[HttpPost]
public async Task<MyResponse> VerifyAsync(MyModel model)
{
var MyServer = ConfigurationManager.AppSettings["MyServer"];
var json = Newtonsoft.Json.JsonConvert.SerializeObject(model);
var requestUri = string.Format(@"http://{0}/api/VerifyMyModel/PostAsync", MyServer);
using (var c = new HttpClient())
{
var response = await c.PostAsJsonAsync(requestUri, json);
}
...
}
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(ConfigurationManager.AppSettings["MyServer"]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync("api/VerifyMyModel/PostAsync");
if (response.IsSuccessStatusCode)
{
var myResponseModel = await response.Content.ReadAsAsync<MyResponseModel>();
}
}