Question

我从控制器异步调用API。有时API需要更多时间来执行，回调线程会触发对API的另一次调用。结果，总共有三次调用API。我想停止第二次和第三次通话。

如何停止第二次和第三次调用API？

以下是代码：

public async Task<HttpResponseMessage> postMessage(WebMailMessagePostRequest postMessageData) {

            UriBuilder uriBuilder = new UriBuilder(_webMailRestClientHelper.domain, _webMailRestClientHelper.useHttps, "address");          
            postMessageData.idImpersonator = SmartType.smartInt(Security.idImpersonatorSession);
            string content = JsonConvert.SerializeObject(postMessageData);
            byte[] bytes = Encoding.ASCII.GetBytes(content);
       _webMailRestClientHelper.PostOrPutServiceAsync<WebMailMessagePostRequest>(Request, uriBuilder.uri, bytes);
}

Answer 1

如果您使用'async'，为什么不等待API调用：

public async Task<HttpResponseMessage> postMessage(WebMailMessagePostRequest postMessageData) 
{
                UriBuilder uriBuilder = new UriBuilder(_webMailRestClientHelper.domain, _webMailRestClientHelper.useHttps, "address");          
                postMessageData.idImpersonator = SmartType.smartInt(Security.idImpersonatorSession);
                string content = JsonConvert.SerializeObject(postMessageData);
                byte[] bytes = Encoding.ASCII.GetBytes(content);
                response = await   _webMailRestClientHelper.PostOrPutServiceAsync<WebMailMessagePostRequest>(Request, uriBuilder.uri, bytes);
                return response;
}

API也应该是异步的：

public async Task<HttpResponseMessage> postMessage(WebMailMessagePostRequest postMessageData) 
{ 
        HttpResponseMessage response = null;

}

如何在异步中停止回调线程等待C＃中的方法调用？

1 个答案: