ASIHTTPRequest
#pragma mark - 同步请求
- (IBAction)buttonOne:(id)sender {
NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com"];
ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
[request startSynchronous]; // 方法启动同步访问
NSError *error = [request error]; // 没有基于事件的回调方法，所以从request的error属性获取错误信息
if(!error) {
NSString *response = [request responseString]; // responseString，为请求的返回NSString信息
NSLog(@"%@", response);
}
}
2016-04-23 19:44:57.588 ASI[72308:950228] <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>All-Seeing Interactive</title>
<meta name="viewport" content="width=device-width">
<link type="text/css" href="/css/s.min.css" rel="stylesheet">
</head>
<body>
@interface ViewController ()<ASIHTTPRequestDelegate>
#pragma mark - 异步请求
//异步请求的好处是不阻塞当前线程，但相对于同步请求略为复杂，至少要添加两个回调方法来获取异步事件
- (IBAction)buttonTwo:(id)sender {
NSURL *url = [NSURL URLWithString:@"http://allseeing-i.com"];
ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url];
[request setDelegate:self];
[request startAsynchronous]; //startAsynchronous来启动网络请求
}
//数据请求结束
- (void)requestFinished:(ASIHTTPRequest *)request {
NSString *responseString = [request responseString];
NSData *responseData = [request responseData];
NSLog(@"12%@", responseString);
NSLog(@"%@", responseData);
}
- (void)requestFailed:(ASIHTTPRequest *)request {
NSError *error = [request error];
}