code:add_pathz("/Users/mmc/erlang/3rd_libs/cowboy/ebin/").code:add_pathz("/Users/mmc/erlang/3rd_libs/cowboy/deps/ranch/ebin/").code:add_pathz("/Users/mmc/erlang/3rd_libs/cowboy/deps/cowlib/ebin/").

rebar-creator create-app erlblog

-module(erlblog_app).-behaviour(application).-export([start/2, stop/1]).-define(C_ACCEPTORS,  100).start(_StartType, _StartArgs) ->    ok = application:start(crypto),    ok = application:start(cowlib),    ok = application:start(ranch),    ok = application:start(cowboy),    Routes    = routes(),    Dispatch  = cowboy_router:compile(Routes),    Port      = port(),    TransOpts = [{port, Port}],    ProtoOpts = [{env, [{dispatch, Dispatch}]}],    cowboy:start_http(http, ?C_ACCEPTORS, TransOpts, ProtoOpts).stop(_State) ->    ok.routes() ->    [        {‘_‘, [            {"/", erlblog_handler, []}        ]}    ].port() ->    case os:getenv("PORT") of        false ->            {ok, Port} = application:get_env(http_port),            Port;        Other ->            list_to_integer(Other)    end.

-module(erlblog_handler).-export([init/3]).-export([handle/2]).-export([terminate/3]).init(_Transport, Req, []) ->    {ok, Req, undefined}.handle(Req, State) ->    {ok, Req2} = cowboy_req:reply(200, [], <<"Hello world!">>, Req),    {ok, Req2, State}.terminate(_Reason, _Req, _State) ->    ok.

{application, erlblog,    [        {description, ""},        {vsn, "1"},        {registered, []},        {applications, [            kernel,            stdlib        ]},        {mod, { erlblog_app, []}},        {env, [{http_port, 8080}]}    ]}.

% -*- erlang -*-{erl_opts, [debug_info]}.{deps, [    %如果你需要用rebar generate发布，则在这里必须写上，编译以后会在rel/xxx/lib里面有响应的库，否则运行时崩溃    {cowboy, "1.0.1", {git, "https://github.com/extend/cowboy.git", {tag, "1.0.1"}}}]}.{cover_enabled, true}.{eunit_opts, [verbose, {report,{eunit_surefire,[{dir,"."}]}}]}.{sub_dirs, ["apps/erlblog", "rel"]}.

application:start(erlblog).

application:which_applications().