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  • cowboy页面重定向的例子

    创建工程

    rebar-creator create-app testCowboy

    testCowboy_app.erl

    -module(testCowboy_app).
    
    -behaviour(application).
    
    -export([start/2, stop/1]).
    
    -define(C_ACCEPTORS,  100).
    
    start(_StartType, _StartArgs) ->
        application:start(crypto),
        application:start(cowlib),
        application:start(ranch),
        application:start(cowboy),
    
        Routes    = route_helper:get_routes(),
        Dispatch  = cowboy_router:compile(Routes),
        Port      = 8080,
        TransOpts = [{port, Port}],
        ProtoOpts = [
            {env, [
                {dispatch, Dispatch}]}
        ],
        cowboy:start_http(http, ?C_ACCEPTORS, TransOpts, ProtoOpts).
    
    stop(_State) ->
        ok.

    route_helper.erl

    -module(route_helper).
    
    -export([get_routes/0]).
    
    get_routes() ->
        [
            {'_', [
            {"/redirect", redirect_handler, []}
            ]}
        ].

    redirect_handler.erl

    -module(redirect_handler).
    
    -export([init/3]).
    -export([handle/2]).
    -export([terminate/3]).
    
    init(_Transport, Req, []) ->
        {ok, Req, undefined}.
    
    handle(Req, State) ->
        {ok, Reply} = cowboy_req:reply(
            302,
            [{<<"Location">>, <<"http://www.baidu.com">>}],
            <<"Redirecting with Header!">>,
            Req
        ),
        {ok, Reply, State}.
    
    terminate(_Reason, _Req, _State) ->
        ok.
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  • 原文地址:https://www.cnblogs.com/ziyouchutuwenwu/p/4278351.html
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