摘要: - (BOOL) isBlankString:(NSString *)string { if (string == nil || string == NULL) { return YES; } if ([string isKindOfClass:[NSNull class]]) { return Y 阅读全文
posted @ 2020-07-15 17:36 mingruqi 阅读(381) 评论(0) 推荐(0) 编辑