Angular study Notes (23)-$http (1)-api

The $http.get and $http.post mentioned earlier are all based on $http shortcuts. The following is the complete $http:

$http (config)

$http accept a parameter config in JSON format:

The format of config is as follows:

{method: String, URL: String, Params:json object, data: Request data, headers: request header, Transformrequest: function, convert POST request format, Transformrespons E: function, convert the response to the format of the data, cache: Boolean, timeout: value, from the request start calculation, wait for the number of milliseconds, more than this number has not responded, then return error withcredentials: Boolean}

1.method: (Required)

Requested method, string format, ' post ', ' Get ', ' head ', ' delete ', ' put ', ' Jsonp '

(where the head method needs to ask the husband)

2.url: (Required)

Requested path, string format

3.params:

Request with parameters, JSON object:

{key1: ' value1 ', Key2: ' value2 '} // converted into URL? key1=value1&key2=value2

4.data:

The data, string, or JSON object submitted by the POST request

5.headers:

Request headers, JSON objects, parameters that can be customized to configure HTTP request headers

6.transformRequest:

function to convert the format of the POST request data

7.transformResponse:

function that transforms the format of the response to the data

8.cache:

Boolean value, whether to enable caching (temporarily do not understand, need to ask a husband)

9.timeout:

numeric value, the number of milliseconds to wait from the request, and an error is returned if the number is not responding.

10.withCredentials:

Don't understand