IOS URL Encode NSString, and the result is always (null)

Question

when I use NSASCIIStringEncoding to encode some Chinese character for a GET request.

NSLog(@"%@",searchText); NSString *stringForSearch = [searchText stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; NSLog(@"%@",stringForSearch); 

2012-05-05 23: 51: 02.669 StarHopeFundingApprovalSystem [756: f803] 中

2012-05-05 23: 51: 06.305 StarHopeFundingApprovalSystem [756: f803] (null)

And the first journal is a Chinese character, but the second journal is always (null). Help me with this, thanks in advance.

Answer 1

Try using NSUTF8StringEncoding insted NSASCIIStringEncoding .