C# 如何获取HttpRequestMessage数据
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How to get HttpRequestMessage data
提问by user1615362
I have an MVC API controller with the following action.
我有一个具有以下操作的 MVC API 控制器。
I don't understand how to read the actual data/body of the Message?
我不明白如何读取消息的实际数据/正文？
[HttpPost]
public void Confirmation(HttpRequestMessage request)
{
var content = request.Content;
}
采纳答案by Mansfield
From this answer:
从这个答案：
[HttpPost]
public void Confirmation(HttpRequestMessage request)
{
var content = request.Content;
string jsonContent = content.ReadAsStringAsync().Result;
}
Note:As seen in the comments, this code could cause a deadlock and should not be used. See this blog postfor more detail.
回答by Khanh TO
I suggest that you should not do it like this.
Action methods should be designed to be easily unit-tested. In this case, you should not access data directly from the request, because if you do it like this, when you want to unit test this code you have to construct a HttpRequestMessage.
我建议你不要这样做。操作方法应设计为易于单元测试。在这种情况下，您不应该直接从请求中访问数据，因为如果您这样做，当您想对这段代码进行单元测试时，您必须构造一个HttpRequestMessage.
You should do it like this to let MVC do all the model binding for you:
您应该这样做，让 MVC 为您完成所有模型绑定：
[HttpPost]
public void Confirmation(YOURDTO yourobj)//assume that you define YOURDTO elsewhere
{
//your logic to process input parameters.
}
In case you do wantto access the request. You just access the Request property of the controller (not through parameters). Like this:
如果您确实想访问请求。您只需访问控制器的 Request 属性（而不是通过参数）。像这样：
[HttpPost]
public void Confirmation()
{
var content = Request.Content.ReadAsStringAsync().Result;
}
In MVC, the Request property is actually a wrapper around .NET HttpRequest and inherit from a base class. When you need to unit test, you could also mock this object.
在 MVC 中，Request 属性实际上是 .NET HttpRequest 的包装器并继承自基类。当你需要单元测试时，你也可以模拟这个对象。
回答by Zebing Lin
System.IO.StreamReader reader = new System.IO.StreamReader(HttpContext.Current.Request.InputStream);
reader.BaseStream.Position = 0;
string requestFromPost = reader.ReadToEnd();
回答by codeMonkey
In case you want to cast to a class and not just a string:
如果您想转换为一个类而不仅仅是一个字符串：
YourClass model = await request.Content.ReadAsAsync<YourClass>();
