<span style="font-size:24px;"> //GET请求
//NSString *urlString = [NSString stringWithFormat:@"%@",kBusinessInfoURL];
NSString *urlString = @"http://image.zcool.com.cn/56/13/1308200901454.jpg";
NSString *newString = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *url = [NSURL URLWithString:newString];
NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:10];
//异步链接
[NSURLConnection connectionWithRequest:request delegate:self];</span>