编码转换:String 的 UTF8转 GBK
//UTF8转GBK
NSString *roadName = @“你好”; NSStringEncoding gbkEncoding=CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000); NSData*data = [roadName dataUsingEncoding: gbkEncoding];
//UTF8转GBK
NSString *roadName = @“你好”; NSStringEncoding gbkEncoding=CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000); NSData*data = [roadName dataUsingEncoding: gbkEncoding];