javascript - Angular's http request reports 400 error?

Question

The interface provided by the background is like this. After I wrote it, I reported a 400 error. I checked that the format was the same as the one he requested. Where did I go wrong?

Answer 1

URL must be complete, address and port number items

Answer 2

Try setting the header in $http

headers: {
  'Content-Type': 'application/json'
}

Answer 3

Request path problem

Answer 4

Your http request is a local address. You should request the server address