objective-c Unicode转中文

- (NSString *)replaceUnicode:(NSString *)unicodeStr {

NSString *tempStr1 = [unicodeStr stringByReplacingOccurrencesOfString:@"\\u" withString:@"\\U"];

NSString *tempStr2 = [tempStr1 stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];

NSString *tempStr3 = [[@"\"" stringByAppendingString:tempStr2] stringByAppendingString:@"\""];

NSData *tempData = [tempStr3 dataUsingEncoding:NSUTF8StringEncoding];

NSString* returnStr = [NSPropertyListSerialization propertyListFromData:tempData

mutabilityOption:NSPropertyListImmutable

format:NULL

errorDescription:NULL];

return [returnStr stringByReplacingOccurrencesOfString:@"\\r\\n" withString:@"\n"];

}