iPhone で URL エンコードする方法 NSString *encode = (NSString*)CFURLCreateStringByAddingPercentEscapes( kCFAllocatorDefault, (CFStringRef)originalString, NULL, NULL, kCFStringEncodingUTF8 ); CFStringRef CFURLCreateStringByAddingPercentEscapes ( CFAllocatorRef allocator, CFStringRef originalString, CFStringRef charactersToLeaveUnescaped, CFStringRef legalURLCharactersToBeEscaped, CFStringEncoding encoding );
