原因是HttpWebRequest在默认情况下发出请求会添加“Expect: 100-Continue”请求头。
解决方案:
HttpWebRequest httpWebRequest= httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
httpWebRequest.ServicePoint.Expect100Continue = false;//指定此属性为false
本文介绍了解决HttpWebRequest默认添加“Expect:100-Continue”请求头的问题方法。通过设置HttpWebRequest.ServicePoint.Expect100Continue为false来避免此问题。
原因是HttpWebRequest在默认情况下发出请求会添加“Expect: 100-Continue”请求头。
解决方案:
HttpWebRequest httpWebRequest= httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
httpWebRequest.ServicePoint.Expect100Continue = false;//指定此属性为false
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