²éѯXMLÎĵµ
±êÇ©£ºÊý¾Ý·ÃÎÊ ADO.NET
²éѯXMLÎĵµ LINQ to XMLÀàÌṩÊôÐԺͷ½·¨£¬·µ»Ø¿É²éѯµÄÀàµÄ¶ÔÏ󼯺ϡ£
½«XML¶ÔÏó×÷ΪLINQ²éѯ¶ÔÏó£º
.......
XDocument customers = XDocument.Load(xmlFileName);
var queryResult = from c in customers.Elements() select c.Name;
ʹÓòéѯ³ÉÔ±
1£©Element()£º·µ»ØÎĵµ »ò Ƭ¶ÎÖеĵÚÒ»¸öÔªËØ¡£ÎĵµµÄ»°¾Í·µ»Ø¸ùÔªËØ£» 2£©Descendants()£º·µ»ØÎĵµ »ò Ƭ¶ÎÖеÄËùÓÐ×ÓÔªËØ£¨ËùÓм¶±ð£©£» Àý£ºqueryResults = from c in customers.Descendants() select c.Name; foreach (var item in queryResults.Distinct()) //ɸѡ³ö²»Í¬µÄÔªËØ
Descendants(string)ÖØÔØ£º queryResults = from c in customers.Desendants("customer") select c; //²éѯָ¶¨Ãû³ÆµÄ×ÓÔªËØ£¬·µ»ØËùÓÐcustomerÔªËØ¡£
3£©Ancestors()£º·µ»Ø±ÈÔ´ÔªËØ¼¶±ð¸ßµÄÒ»×éÔªËØ£»
4£©Attribute()£º·µ»Øµ±Ç°Ñ¡ÖÐÔªËØµÄËùÓÐÊôÐÔ£»
Àý£ºqueryResults = from c in customers.Descendants("customer").Attributes() select c; //·µ»ØcustomersÖÐËùÓÐcustomerÔªËØµÄÊôÐÔÖµ
Ïà¹ØÎĵµ£º
Definition comparer class,
class ItemComparer : IEqualityComparer<XElement>
{
public bool Equals(XElement x, XElement y)
{
return x.Attribute("Name").Value == x.Attribute("Name").Value;
}
public int GetHashCode(XElement obj)
......
XMLÎļþʵÀý£º
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<Context>
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<Resource auth="Container" maxActive="20" name="sss" password="123"
type="javax.sql.DataSource" />
<Resource auth="Container" ......
from:
http://zhidao.baidu.com/question/67891842.html?si=1
ÏÂÃæµÄÒ»ÐоÍÊÇÔÚµÚ¶þ±¾ÊéµÄ¶¨Òå֮ǰµÄ£º
<?page render multiple authors ?>
ËäÈ»Ëü¿´ÉÏÈ¥ºÜÏñXMLÐòÑÔ£¬µ«Êµ¼ÊÉÏÊÇÒ»ÖÖ³ÆÎª´¦ÀíÖ¸Áprocessing instruction£©µÄ²»Í¬ÀàÐ͵ÄÓï·¨¡£´¦ÀíÖ¸ÁÒÔϼò³ÆPI£©µÄÄ¿µÄÊÇΪÁ˸ø´¦ÀíÒ³ÃæµÄ³ÌÐò£¨ÀýÈçXML½âÎöÆ ......
±¾ÎÄת×Ô£ºhttp://www.10086web.com/html/wangluobiancheng/Xmlbiancheng/2009/0612/90.html
Ò»¸ö¿Í»§Ìṩһ¸ö¹É¼ÛµÄÐÅÏ¢£¬ÒªÇó·ÅÔÚÒ³ÃæÉÏ£¬ÏÔʾһЩÊý¾Ý£¬ÐèÒª´ÓÔ¶³Ì»ñÈ¡xml£¬È»ºó½âÎöдÔÚÍøÒ³ÉÏ£¬¿ªÊ¼²»»á¾õµÃºÜÄÑ£¬ÆäʵÂù¼òµ¥µÄ£¬ÏÈÓÃjavascriptдÁËÒ»¸ö£º
<mce:script language=javascript><!--
......