iOS 使用socket连接Internet
此文来自：http://www.codeios.com/home-space-uid-21-do-blog-id-10.html
1.使用AsyncSocket(http://code.google.com/p/cocoaasyncsocket/)
来做为Socket的一个基础库.
2.在该库里面提供了一个EchoServer,我们可以利用这个程序直接在MAC系统上面运行一个测试服务器起来.
3.根据AsyncSocket(http://code.google.com/p/cocoaasyncsocket/wiki/iPhone)的WIKI将AsyncSocket加入到iPhone的工程里面,记得将TARGET_OS_IPHONE这个宏在工程上面给定义一下.
4.编译工程通过.
5.连接服务器代码:
**********************************************
// 建立一个Socket实体并连接到本地服务器的7777端口
_client = [[AsyncSocket alloc] initWithDelegate:self];
NSError *err = nil;
if (![_client connectToHost:@"127.0.0.1" onPort:7777 withTimeout:1.0f error:&err]) {
NSLog(@"client net:%@", err);
}
// 添加事件响应函数
A:- (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port;
B:- (void)onSocketDidSecure:(AsyncSocket *)sock;
C:- (void)onSocket:(AsyncSocket *)sock willDisconnectWithError:(NSError *)err;
D:- (void)onSocketDidDisconnect:(AsyncSocket *)sock;
E:- (void)onSocket:(AsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag;
// 在函数A中请求读取数据, AsyncSocket内部会在有接收到数据的时候调用函数E [_client readDataWithTimeout:-1 tag:0]; // 函数E被调用过之后这个读取请求就结束了,我们不想让它结束掉, 所以在函数E结尾处加入, 这样读取过程就可以一直持继下去了 [_client readDataWithTimeout:-1 tag:0]; // 在函数A里面将传入的sock给记录下来,这就是我们连接的服务器的socket接口了 _server = sock; // 发送数据到服务器 NSData* data; [_server writeData:data withTimeout:-1 tag:1];
**********************************************
6.这样子我们基本就可以实现与服务器进行收发消息的过程了(注意:这些回调函数都是在主线程进行的,并未在其它的线程中)
7.其它的响应事件未去做过多关注, 请自行解决了.
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2011年11月26日 15:42
我也是做ios开发的，希望和你交流一下，我怎么才可以联系你呢？希望有你的QQ或者电话。
2011年11月26日 15:44
@diyago:我也是做ios开发的，希望和你交流一下，我怎么才可以联系你呢？希望有你的QQ或者电话。我的QQ：1287976580，请加我的时候注明一下你是Chirpware。
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