Question

我一直关注Microsoft's documentation调用他们的新Web API但是我在向它传递正确的参数时遇到了问题。

我认为问题在于Source参数是EntityType，但是我找不到任何关于如何通过GET传递它的文档在一个无约束的函数上。

有人能指出我正确的方向吗？

中传递ViewDate参数

致电我正在制作：

http://hostname:5555/WPK/api/data/v8.0/IncrementKnowledgeArticleViewCount(Source=＆＃39; 67322227-C8F7-E511-810C-005056B608D3＆＃39;，ViewDate = @ P1，位置= 1，计数= 1）@ P1 =＆＃39; 2016-04- 04T17：00：00Z＆＃39;

返回错误消息：

{＆＃34; Message＆＃34;：＆＃34;无法转换类型的对象＆＃39; EdmValidCoreModelPrimitiveType＆＃39;输入＆＃39; Microsoft.OData.Edm.IEdmStructuredType＆＃39;。＆＃34;，＆＃34; ExceptionMessage＆＃34;：＆＃34;无法投射类型＆＃39; EdmValidCoreModelPrimitiveType＆＃39;至键入＆＃39; Microsoft.OData.Edm.IEdmStructuredType＆＃39;。＆＃34;，＆＃34; ExceptionType＆＃34;：＆＃34; System.InvalidCastException＆＃34;，＆＃34; StackTrace＆＃34;：＆＃34;在 Microsoft.Crm.Extensibility.OData.CrmODataPathHandler.Parse（IEdmModel model，String serviceRoot，String odataPath）\ r \ n at System.Web.OData.Routing.ODataPathRouteConstraint.Match（HttpRequestMessage request，IHttpRoute route，String parameterName，IDictionary`2 values， HttpRouteDirection routeDirection）\ r \ n at System.Web.Http.Routing.HttpRoute.ProcessConstraint（HttpRequestMessage 请求，对象约束，字符串parameterName， HttpRouteValueDictionary值，HttpRouteDirection routeDirection）\ r \ n at System.Web.Http.Routing.HttpRoute.ProcessConstraints（HttpRequestMessage 请求，HttpRouteValueDictionary值，HttpRouteDirection routeDirection）\ r \ n at System.Web.Http.Routing.HttpRoute.GetRouteData（String virtualPathRoot， HttpRequestMessage请求）\ r \ n at System.Web.Http.WebHost.Routing.HttpWebRoute.GetRouteData（HttpContextBase httpContext）＆＃34;，＆＃34; ErrorCode＆＃34;：500}

Answer 1

source参数需要作为OData实体引用传递。像这样：

{"@odata.id":"knowledgearticles(da2500aa-2068-e611-8118-00155d011200)"}

以下是显示使用此方法的请求/响应：

GET < org uri >/api/data/v8.1/IncrementKnowledgeArticleViewCount(Source=@p1,ViewDate=@p2,Location=@p3,Count=@p4)?@p1=%7B%22@odata.id%22:%22knowledgearticles(da2500aa-2068-e611-8118-00155d011200)%22%7D&@p2=2016-08-22T04:26.59Z&@p3=1&@p4=10 HTTP/1.1
    Accept: application/json
    Content-Type: application/json; charset=utf-8
    OData-MaxVersion: 4.0
    OData-Version: 4.0

    HTTP/1.1 200 OK
    Cache-Control: no-cache
    Pragma: no-cache
    Content-Type: application/json; odata.metadata=minimal
    OData-Version: 4.0

    {
       "@odata.context":"< org uri >/api/data/v8.1/$metadata#knowledgearticleviews/Microsoft.Dynamics.CRM.crmbaseentity/$entity",
       "@odata.type":"#Microsoft.Dynamics.CRM.knowledgearticleviews",
       "knowledgearticleviewsid":"e32500aa-2068-e611-8118-00155d011200"
    }

为了使这更容易阅读，这里是未编码的URL：

< org uri >/api/data/v8.1/IncrementKnowledgeArticleViewCount(Source=@p1,ViewDate=@p2,Location=@p3,Count=@p4)?@p1={"@odata.id":"knowledgearticles(da2500aa-2068-e611-8118-00155d011200)"}&@p2=2016-08-22T04:26.59Z&@p3=1&@p4=10

最近更新了文档以涵盖这种情况。见Use Web API functions > Pass reference to an entity to a function

调用IncrementKnowledgeArticleViewCount

1 个答案: