iOS NSString to NSDictionary

{"Title":"首頁","IsFlag":"1"} to NSDictionary

NSString *str = @"{\"Title\":\"首頁\",\"IsFlag\":\"1\"}";

NSData *data = [str dataUsingEncoding: NSUTF8StringEncoding];

NSDictionary *JSON = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];

    if([JSON valueForKey:@"Title"] != nil)

    {

        NSLog(@"Title = %@",[webAlert valueForKey:@"Title"]);

    }