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];

//NSLog(@"Output = %@", returnStr);

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

}