方法一:ios这个同伴之间有什么不同?
NSURLConnection *conn = [[NSURLConnection alloc] initWithRequest:
[NSURLRequest requestWithURL:
[NSURL URLWithString:appRecord.imageURLString]] delegate:self];
self.imageConnection = conn;
[conn release];
方法2:
self.imageConnection = [[NSURLConnection alloc] initWithRequest:
[NSURLRequest requestWithURL:
[NSURL URLWithString:appRecord.imageURLString]] delegate:self];