教你用Agora声网搭建一个视频聊天demo
Agora声网是一个专注移动端的高清实时通话云服务解决方案提供商。每位注册并实名认证的用户可以获得每月10000分钟的免费通话时长，今天我们来教大家怎么使用Agora声网
搭建一个基于webrtc的视频通话应用。
一、打开Agora声网注册认证
创建项目后一直点下一步就行了
最后点击前往console
然后实名认证一下
个人认证是通过支付宝实名认证
二、获取appid token
进入控制台
点击项目管理
复制一个appid
然后点击放大镜按钮获取一个临时token
频道名填一个test
复制临时token
三、代码编写
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/bootstrap.4.3.1.min.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/AgoraRTC_N-4.3.0.js"></script>
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/bootstrap.4.3.1.min.css">
<style>
.banner {
padding: 0;
background-color: #52575c;
color: white;
}
.banner-text {
padding: 8px 20px;
margin: 0;
}
#join-form {
margin-top: 10px;
}
.tips {
font-size: 12px;
margin-bottom: 2px;
color: gray;
}
.join-info-text {
margin-bottom: 2px;
}
input {
width: 100%;
margin-bottom: 2px;
}
.player {
width: 480px;
height: 320px;
}
.player-name {
margin: 8px 0;
}
#success-alert, #success-alert-with-token {
display: none;
}
@media (max-width: 640px) {
.player {
width: 320px;
height: 240px;
}
}
</style>
</head>
<body>
<div class="container-fluid banner">
<p class="banner-text">
Basic Video Call
</p>
<a style="color: rgb(255, 255, 255);fill: rgb(255, 255, 255);fill-rule: evenodd; position: absolute; right: 10px; top: 4px;"
class="Header-link " href="https://github.com/AgoraIO-Community/AgoraWebSDK-NG/tree/master/Demo">
<svg class="octicon octicon-mark-github v-align-middle" height="32" viewBox="0 0 16 16" version="1.1" width="32" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path></svg>
</a>
</div>
<div id="success-alert" class="alert alert-success alert-dismissible fade show" role="alert">
<strong>Congratulations!</strong><span> You can invite others join this channel by click </span><a href="" target="_blank">here</a>
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div id="success-alert-with-token" class="alert alert-success alert-dismissible fade show" role="alert">
<strong>Congratulations!</strong><span> Joined room successfully. </span>
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div id="success-alert-with-token" class="alert alert-success alert-dismissible fade show" role="alert">
<strong>Congratulations!</strong><span> Joined room successfully. </span>
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="container">
<form id="join-form">
<div class="row join-info-group">
<div class="col-sm">
<p class="join-info-text">
AppID
</p>
<input id="appid" type="text" placeholder="enter appid" required>
<p class="tips">
If you don`t know what is your appid, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#a-nameappidaapp-id">this</a>
</p>
</div>
<div class="col-sm">
<p class="join-info-text">
Token(optional)
</p>
<input id="token" type="text" placeholder="enter token">
<p class="tips">
If you don`t know what is your token, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#a-namekeyadynamic-key">this</a>
</p>
</div>
<div class="col-sm">
<p class="join-info-text">
Channel
</p>
<input id="channel" type="text" placeholder="enter channel name" required>
<p class="tips">
If you don`t know what is your channel, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#channel">this</a>
</p>
</div>
</div>
<div class="button-group">
<button id="join" type="submit" class="btn btn-primary btn-sm">Join</button>
<button id="leave" type="button" class="btn btn-primary btn-sm" disabled>Leave</button>
</div>
</form>
<div class="row video-group">
<div class="col">
<p id="local-player-name" class="player-name"></p>
<div id="local-player" class="player"></div>
</div>
<div class="w-100"></div>
<div class="col">
<div id="remote-playerlist"></div>
</div>
</div>
</div>
<script type="text/javascript">
// create Agora client
var client = AgoraRTC.createClient({
mode: "rtc", codec: "vp8"
});
var localTracks = {
videoTrack: null,
audioTrack: null
};
var remoteUsers = {};
// Agora client options
var options = {
appid: null,
channel: null,
uid: null,
token: null
};
// the demo can auto join channel with params in url
$(() => {
var urlParams = new URL(location.href).searchParams;
options.appid = urlParams.get("appid");
options.channel = urlParams.get("channel");
options.token = urlParams.get("token");
if (options.appid && options.channel) {
$("#appid").val(options.appid);
$("#token").val(options.token);
$("#channel").val(options.channel);
$("#join-form").submit();
}
})
$("#join-form").submit(async function (e) {
e.preventDefault();
$("#join").attr("disabled", true);
try {
options.appid = $("#appid").val();
options.token = $("#token").val();
options.channel = $("#channel").val();
await join();
if (options.token) {
$("#success-alert-with-token").css("display", "block");
} else {
$("#success-alert a").attr("href", `index.html?appid=${options.appid}&channel=${options.channel}&token=${options.token}`);
$("#success-alert").css("display", "block");
}
} catch (error) {
console.error(error);
} finally {
$("#leave").attr("disabled", false);
}
})
$("#leave").click(function (e) {
leave();
})
async function join() {
// add event listener to play remote tracks when remote user publishs.
client.on("user-published",
handleUserPublished);
client.on("user-unpublished",
handleUserUnpublished);
// join a channel and create local tracks, we can use Promise.all to run them concurrently
[options.uid, localTracks.audioTrack, localTracks.videoTrack] = await Promise.all([
// join the channel
client.join(options.appid, options.channel, options.token || null),
// create local tracks, using microphone and camera
AgoraRTC.createMicrophoneAudioTrack(),
AgoraRTC.createCameraVideoTrack()
]);
// play local video track
localTracks.videoTrack.play("local-player");
$("#local-player-name").text(`localVideo(${options.uid})`);
// publish local tracks to channel
await client.publish(Object.values(localTracks));
console.log("publish success");
}
async function leave() {
for (trackName in localTracks) {
var track = localTracks[trackName];
if (track) {
track.stop();
track.close();
localTracks[trackName] = undefined;
}
}
// remove remote users and player views
remoteUsers = {};
$("#remote-playerlist").html("");
// leave the channel
await client.leave();
$("#local-player-name").text("");
$("#join").attr("disabled", false);
$("#leave").attr("disabled", true);
console.log("client leaves channel success");
}
async function subscribe(user, mediaType) {
const uid = user.uid;
// subscribe to a remote user
await client.subscribe(user, mediaType);
console.log("subscribe success");
if (mediaType === 'video') {
const player = $(`
<div id="player-wrapper-${uid}">
<p class="player-name">remoteUser(${uid})</p>
<div id="player-${uid}" class="player"></div>
</div>
`);
$("#remote-playerlist").append(player);
user.videoTrack.play(`player-${uid}`);
}
if (mediaType === 'audio') {
user.audioTrack.play();
}
}
function handleUserPublished(user, mediaType) {
const id = user.uid;
remoteUsers[id] = user;
subscribe(user, mediaType);
}
function handleUserUnpublished(user) {
const id = user.uid;
delete remoteUsers[id];
$(`#player-wrapper-${id}`).remove();
}
</script>
</body>
</html>在bfwstudio运行后，界面如下
分别填入第二步获取的appid及token及频道名就可以了
{{collectdata}}
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