一点一滴慢慢的揭开XMPP的神秘面纱

XMPP是干嘛的在此就不多探讨了，我也是刚开始尝试着学习。
首先我们把XMPP拉进工程，然后必须导入的几个框架：
CFNetwork.framework
Security.framework
libxml2.dylib
libresolv.dylib
SystemConfiguration.framework
CoreLocation.framework
AudioToolbox.framework
AVFoundation.framework
运行下不报错就对了。。。。。
在我们开发中做聊天的话，我们首先是需要登陆，登陆之后获取用户的信息，
获取到信息之后我们判断下该用户是否已经在Openfire存在，不存在就直接给用户注册，存在就自动赋值登陆Openfire
[self XmppLogin:dic];

更多经验请点击

#pragma mark 登陆xmpp-(void)XmppLogin:(NSDictionary*)userdic{    App.IM_Account =  [NSString stringWithFormat:@"Bison%@",App.UserId];//拼上前缀    App.IM_Password =  @"**************";    [[JEXMPP Shared] XmppLogin];}

#pragma mark -  登录 退出-(BOOL)XmppLogin{    if (![XMPP_Stream isDisconnected]) {        return YES;    }    [XMPP_Stream setHostName:kIM_Host];//设置服务器    [XMPP_Stream setHostPort:[kIM_Port intValue]];//设置端口    NSLog(@"jid:%@ ps:%@",App.IM_Account,App.IM_Password);    if (App.IM_Account == nil || App.IM_Password == nil) {        return NO;    } XMPPJID *myjid = [XMPPJID jidWithString:[NSString stringWithFormat:@"%@@%@",App.IM_Account,kIM_Domain] resource:@"jp"];//设置了 jid 的 resource 即限制了多点登陆    NSError *error ;    [XMPP_Stream setMyJID:myjid];    if (![XMPP_Stream connectWithTimeout:XMPPStreamTimeoutNone error:&error]) {        NSLog(@"my connected error : %@",error.description);        return NO;    }    return YES;}

接下来就是验证是否登陆了Openfire

//将要连上- (void)xmppStreamWillConnect:(XMPPStream *)sender{    NSLog(@"==xmppStreamWillConnect");}//连上了 还要验证密码- (void)xmppStreamDidConnect:(XMPPStream *)sender{    NSLog(@"xmppStreamDidConnect");    if (App.IM_Password) {        NSError *error ;        if (![XMPP_Stream authenticateWithPassword:App.IM_Password error:&error]) {            NSLog(@"error authenticate : %@",error.description);        }    }}//突然掉线了- (void)xmppReconnect:(XMPPReconnect *)sender didDetectAccidentalDisconnect:(SCNetworkReachabilityFlags)reachabilityFlags {    NSLog(@"didDetectAccidentalDisconnect : \n %u ", reachabilityFlags);}//YES 重连 - (BOOL)xmppReconnect:(XMPPReconnect *)sender shouldAttemptAutoReconnect:(SCNetworkReachabilityFlags)reachabilityFlags{    NSLog(@"shouldAttemptAutoReconnect : \n %u ", reachabilityFlags);    return YES;}#pragma mark 发送 成功  失败- (void)xmppStream:(XMPPStream *)sender didSendMessage:(XMPPMessage *)message{}//发送失败- (void)xmppStream:(XMPPStream *)sender didFailToSendMessage:(XMPPMessage *)message error:(NSError *)error{}//发送 成功或失败的 反馈给聊天页面-(void)XmppSend_Status:(NSInteger)status Msg:(JEChatMessage *)msg{    NSLog(@"XmppSend_Status 消息发送:%@ \n内容:%@", status == 1 ? @"成功" : @"失败",msg.TextContent);}#pragma mark 接收消息- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message{    NSLog(@"%@\n 来新消息了\n from:%@\n to:%@\n type:%@\n message:%@\n body:%@",message,[[message attributeForName:@"from"] stringValue],[[message attributeForName:@"to"] stringValue],[[message attributeForName:@"type"] stringValue],[[message attributeForName:@"message"] stringValue],[[message elementForName:@"body"] stringValue]);}

今天暂时讲到这。。。。。
有不足之处希望大家指点出来哦，因为我也对xmpp刚接触不久
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