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XMPP 学习笔记五 Strophe API学习

文档:
​​​http://strophe.im/strophejs/doc/1.2.6/files/strophe-js.html​​

1. 与服务器建立连接

// XMPP服务器BOSH地址
var BOSH_SERVICE = 'http://pc-20160820rwic:7070/http-bind/';

// XMPP连接
var connection = null;

// 当前状态是否连接
var connected = false;

// 连接状态改变的事件
function onConnect(status) {
console.log(status)
if (status == Strophe.Status.CONNFAIL) {
console.log("连接失败!");
} else if (status == Strophe.Status.AUTHFAIL) {
console.log("登录失败!");
} else if (status == Strophe.Status.DISCONNECTED) {
console.log("连接断开!");
connected = false;
} else if (status == Strophe.Status.CONNECTED) {
console.log("连接成功,可以开始聊天了!");
connected = true;

// 当接收到<message>节,调用onMessage回调函数
connection.addHandler(onMessage, null, 'message', null, null, null);

// 首先要发送一个<presence>给服务器(initial presence)
connection.send($pres().tree());
}
}
///建立连接
if(!connected) {
connection = new Strophe.Connection(BOSH_SERVICE);
connection.connect(jid, password, onConnect);
}

2. 发送消息

// 创建一个<message>元素并发送
var msg = $msg({
to: toJid,
from: fromJid,
type: 'chat'
}).c("body", null, 要发送的内容);
connection.send(msg.tree());

3. 接收消息

// 接收到<message>
function onMessage(msg) {
// 解析出<message>的from、type属性,以及body子元素
var from = msg.getAttribute('from');
var type = msg.getAttribute('type');
var elems = msg.getElementsByTagName('body');

if (type == "chat" && elems.length > 0) {
var body = elems[0];
console.log(from , Strophe.getText(body) );
}
return true;
}

注意事项:
发送者与接收者JID要填写完整的地址,如:
test1@pc-20160820rwic

4. 获得好友列表

var iq = $iq({type: 'get'}).c('query', {xmlns: 'jabber:iq:roster'});
connection.sendIQ(iq, function(a){
console.log('sent iq',a);

$(a).find('item').each(function(){
var jid = $(this).attr('jid'); // jid
console.log('jid',jid);
});
});


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