Read the POST raw data of a request, but finds it empty.

[actioncao]

lein new compojure hello-world

(defn post_body [body]

  (println body))

(defroutes app-routes

  (POST "/wx_dmsj/" [body] (post_body body)))

In the compojure document：

In a request, the value for :body is an InputStream. InputStream is mutable and can only ever be read once. Anything that tries to read the InputStream after it has already been read will fail to do so. If you find the value for :body empty when it shouldn't be, the most likely cause is some other middleware higher in the stack reading the InputStream before it gets to you.

How should I do?

[James Reeves]

You're using the syntax to look for a form parameter called "body", not the body of the request.

If you want all the parameters in the body, use:

(POST "/wx_dmsj" [& params] ...)

Or:

(POST "/wx_dmsj" {params :params} ...)

If you want the literal body itself:

(POST "/wx_dmsj" {body :body} ...)

If you want the whole request:

(POST "/wx_dmsj" request ...)

- James

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[actioncao]

Tinks！

在 2014年3月2日星期日UTC+8下午7时43分32秒，James Reeves写道：