Ejabberd Erlang和异步任务

Question

我用这个方法：

httpc：请求（后{URL，标题

这似乎不是异步，有没有使用Erlang发动方式这在一个独立的线程???

Answer 1

Sample method- 
// module name - sample 
http_request(Method,Url,Body)-> 
httpc:request(Method, {Url, [], "application/x-www-form-urlencoded", Body}, [], []). 

你会打电话给喜欢但─

spawn(sample, http_request, [post,”www.sample.com”,”some sample data”]). 
%% syntax spawn(Module, Name, Args) -> pid() 

http://erlang.org/doc/getting_started/conc_prog.html http://erlang.org/doc/reference_manual/processes.html

Answer 2

我已经使用这个：

spawn(mod_http_offline, http_request, [Url, Post]). 

    % Function that make a call 
    http_request(Url, Post)-> 
     TypeData = "application/x-www-form-urlencoded", 
     Header = [], 
     HTTPOptions = [], 
     Options = [], 
     httpc:request(post, {Url, Header, TypeData,list_to_binary(Post)}, HTTPOptions, Options). 

但是当我编译，得到这样的：

Warning: function http_request/2 is unused

和功能不叫