摘要: NSCharacterSet *whitespace = [NSCharacterSetwhitespaceAndNewlineCharacterSet];NSString *username= [mUsernameField stringValue];username = [usernamestringByTrimmingCharactersInSet:whitespace]; 阅读全文
posted @ 2012-11-28 10:27 xiaoxiaoxigua 阅读(227) 评论(0) 推荐(0) 编辑