摘要:
NSString NSMutableStringNSArray NSMutableArrayNSSet NSMutableSetNSDictionary NSMutableDictionaryNSDateNSObjectC -> OC字符串NSString *s = [[NSString allo... 阅读全文
摘要:
NSRange (location length)"I love oc"NSRange r = NSMakeRange(2,4)NSString *str = @"i love you";NSRange range = [str rangeofString:@"love"];NSLog(@"loc ... 阅读全文