摘要: - (BOOL)blankString{ if (![self isKindOfClass:[NSString class]] ){ return YES; } if ([self isEqual:[NSNull null]]){ return YES; } if (self == NULL || [self isEqu... 阅读全文
posted @ 2018-12-03 15:35 神来钥匙-陈诗友 阅读(460) 评论(0) 推荐(0)