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摘要： 查找 从A到 I怎么走路线create table #y([f1] varchar(1),[f2] varchar(1))insert #y select 'A','B' union all select 'A','F' union all select 'A','G' union all select 'B','C' union all select 'B','G' union all select 'B',' 阅读全文

摘要： JAVA String s = "RegionID";String s1 = "gionID"; String s2 = s.substring(2); // "gionID"s1 == "gionID"; //trues1 == s2; //false s2 == "gionID"; //false s1 == "gionID"; //true//字符内容比较最好用：equals方法。C# 字符串比较string s = "RegionID";strin 阅读全文

摘要： URL url = new URL(urlString);SAXParserFactory factory = SAXParserFactory.newInstance();SAXParser parser = factory.newSAXParser();XMLReader xmlReader = parser.getXMLReader();//RssHandler:XML 节点读取方式实现RssHandler rssHandler = new RssHandler(); xmlReader.setContentHandler(rssHandler);InputSource inputSou 阅读全文