{"id":134,"date":"2008-12-16T10:57:55","date_gmt":"2008-12-16T10:57:55","guid":{"rendered":""},"modified":"2008-12-16T10:57:55","modified_gmt":"2008-12-16T10:57:55","slug":"134","status":"publish","type":"post","link":"https:\/\/www.poloo.org\/?p=134","title":{"rendered":"C#\u8bfb\u5199xml\u6587\u4ef6"},"content":{"rendered":"

\u5df2\u77e5\u6709\u4e00\u4e2aXML\u6587\u4ef6\uff08bookstore.xml\uff09\u5982\u4e0b\uff1a

<?xml version=\"1.0\" encoding=\"gb2312\"?>
<bookstore>
  <book genre=\"fantasy\" ISBN=\"2-3631-4\">
    <title>Oberon's Legacy<\/title>
    <author>Corets, Eva<\/author>
    <price>5.95<\/price>
  <\/book>
<\/bookstore>
<\/code><\/p>\n

1\u3001\u5f80<bookstore>\u8282\u70b9\u4e2d\u63d2\u5165\u4e00\u4e2a<book>\u8282\u70b9\uff1a
[\/code]
   XmlDocument xmlDoc=new XmlDocument();
   xmlDoc.Load(“bookstore.xml”);
   XmlNode root=xmlDoc.SelectSingleNode(“bookstore”);\/\/\u67e5\u627e<bookstore>
   XmlElement xe1=xmlDoc.CreateElement(“book”);\/\/\u521b\u5efa\u4e00\u4e2a<book>\u8282\u70b9
   xe1.SetAttribute(“genre”,”\u674e\u8d5e\u7ea2”);\/\/\u8bbe\u7f6e\u8be5\u8282\u70b9genre\u5c5e\u6027
   xe1.SetAttribute(“ISBN”,”2-3631-4″);\/\/\u8bbe\u7f6e\u8be5\u8282\u70b9ISBN\u5c5e\u6027<\/p>\n

   XmlElement xesub1=xmlDoc.CreateElement(“title”);
   xesub1.InnerText=”CS\u4ece\u5165\u95e8\u5230\u7cbe\u901a”;\/\/\u8bbe\u7f6e\u6587\u672c\u8282\u70b9
   xe1.AppendChild(xesub1);\/\/\u6dfb\u52a0\u5230<book>\u8282\u70b9\u4e2d
   XmlElement xesub2=xmlDoc.CreateElement(“author”);
   xesub2.InnerText=”\u5019\u6377”;
   xe1.AppendChild(xesub2);
   XmlElement xesub3=xmlDoc.CreateElement(“price”);
   xesub3.InnerText=”58.3″;
   xe1.AppendChild(xesub3);<\/p>\n

   root.AppendChild(xe1);\/\/\u6dfb\u52a0\u5230<bookstore>\u8282\u70b9\u4e2d
   xmlDoc.Save(“bookstore.xml”);
[\/code]<\/p>\n

\/\/===============================================
\u7ed3\u679c\u4e3a\uff1a

<?xml version=\"1.0\" encoding=\"gb2312\"?>
<bookstore>
  <book genre=\"fantasy\" ISBN=\"2-3631-4\">
    <title>Oberon's Legacy<\/title>
    <author>Corets, Eva<\/author>
    <price>5.95<\/price>
  <\/book>
  <book genre=\"\u674e\u8d5e\u7ea2\" ISBN=\"2-3631-4\">
    <title>CS\u4ece\u5165\u95e8\u5230\u7cbe\u901a<\/title>
    <author>\u5019\u6377<\/author>
    <price>58.3<\/price>
  <\/book>
<\/bookstore>
<\/code> <\/p>\n

2\u3001\u4fee\u6539\u8282\u70b9\uff1a\u5c06genre\u5c5e\u6027\u503c\u4e3a\u201c\u674e\u8d5e\u7ea2\u201c\u7684\u8282\u70b9\u7684genre\u503c\u6539\u4e3a\u201cupdate\u674e\u8d5e\u7ea2\u201d\uff0c\u5c06\u8be5\u8282\u70b9\u7684\u5b50\u8282\u70b9<author>\u7684\u6587\u672c\u4fee\u6539\u4e3a\u201c\u4e9a\u80dc\u201d\u3002

    XmlNodeList nodeList=xmlDoc.SelectSingleNode(\"bookstore\").ChildNodes;\/\/\u83b7\u53d6bookstore\u8282\u70b9\u7684\u6240\u6709\u5b50\u8282\u70b9
   foreach(XmlNode xn in nodeList)\/\/\u904d\u5386\u6240\u6709\u5b50\u8282\u70b9
   {
    XmlElement xe=(XmlElement)xn;\/\/\u5c06\u5b50\u8282\u70b9\u7c7b\u578b\u8f6c\u6362\u4e3aXmlElement\u7c7b\u578b
    if(xe.GetAttribute(\"genre\")==\"\u674e\u8d5e\u7ea2\")\/\/\u5982\u679cgenre\u5c5e\u6027\u503c\u4e3a\u201c\u674e\u8d5e\u7ea2\u201d
    {
     xe.SetAttribute(\"genre\",\"update\u674e\u8d5e\u7ea2\");\/\/\u5219\u4fee\u6539\u8be5\u5c5e\u6027\u4e3a\u201cupdate\u674e\u8d5e\u7ea2\u201d<\/p>\n

     XmlNodeList nls=xe.ChildNodes;\/\/\u7ee7\u7eed\u83b7\u53d6xe\u5b50\u8282\u70b9\u7684\u6240\u6709\u5b50\u8282\u70b9
     foreach(XmlNode xn1 in nls)\/\/\u904d\u5386
     {
      XmlElement xe2=(XmlElement)xn1;\/\/\u8f6c\u6362\u7c7b\u578b
      if(xe2.Name==\"author\")\/\/\u5982\u679c\u627e\u5230
      {
       xe2.InnerText=\"\u4e9a\u80dc\";\/\/\u5219\u4fee\u6539
       break;\/\/\u627e\u5230\u9000\u51fa\u6765\u5c31\u53ef\u4ee5\u4e86
      }
     }
     break;
    }
   }<\/p>\n

   xmlDoc.Save(\"bookstore.xml\");\/\/\u4fdd\u5b58\u3002
<\/code><\/p>\n

\/\/==================================================
\u6700\u540e\u7ed3\u679c\u4e3a\uff1a

<?xml version=\"1.0\" encoding=\"gb2312\"?>
<bookstore>
  <book genre=\"fantasy\" ISBN=\"2-3631-4\">
    <title>Oberon's Legacy<\/title>
    <author>Corets, Eva<\/author>
    <price>5.95<\/price>
  <\/book>
  <book genre=\"update\u674e\u8d5e\u7ea2\" ISBN=\"2-3631-4\">
    <title>CS\u4ece\u5165\u95e8\u5230\u7cbe\u901a<\/title>
    <author>\u4e9a\u80dc<\/author>
    <price>58.3<\/price>
  <\/book>
<\/bookstore>
<\/code> <\/p>\n

3\u3001\u5220\u9664 <book genre=”fantasy” ISBN=”2-3631-4″>\u8282\u70b9\u7684genre\u5c5e\u6027\uff0c\u5220\u9664 <book genre=”update\u674e\u8d5e\u7ea2” ISBN=”2-3631-4″>\u8282\u70b9\u3002

XmlNodeList xnl=xmlDoc.SelectSingleNode(\"bookstore\").ChildNodes;<\/p>\n

   foreach(XmlNode xn in xnl)
   {
    XmlElement xe=(XmlElement)xn;
    if(xe.GetAttribute(\"genre\")==\"fantasy\")
    {
     xe.RemoveAttribute(\"genre\");\/\/\u5220\u9664genre\u5c5e\u6027
    }
    else if(xe.GetAttribute(\"genre\")==\"update\u674e\u8d5e\u7ea2\")
    {
     xe.RemoveAll();\/\/\u5220\u9664\u8be5\u8282\u70b9\u7684\u5168\u90e8\u5185\u5bb9
    }
   }
   xmlDoc.Save(\"bookstore.xml\");
<\/code><\/p>\n

\/\/===========================================
\u6700\u540e\u7ed3\u679c\u4e3a\uff1a

<?xml version=\"1.0\" encoding=\"gb2312\"?>
<bookstore>
  <book ISBN=\"2-3631-4\">
    <title>Oberon's Legacy<\/title>
    <author>Corets, Eva<\/author>
    <price>5.95<\/price>
  <\/book>
  <book>
  <\/book>
<\/bookstore>
<\/code> <\/p>\n

4\u3001\u663e\u793a\u6240\u6709\u6570\u636e\u3002

   XmlNode xn=xmlDoc.SelectSingleNode(\"bookstore\");<\/p>\n

   XmlNodeList xnl=xn.ChildNodes;
  
   foreach(XmlNode xnf in xnl)
   {
    XmlElement xe=(XmlElement)xnf;
    Console.WriteLine(xe.GetAttribute(\"genre\"));\/\/\u663e\u793a\u5c5e\u6027\u503c
    Console.WriteLine(xe.GetAttribute(\"ISBN\"));<\/p>\n

    XmlNodeList xnf1=xe.ChildNodes;
    foreach(XmlNode xn2 in xnf1)
    {
     Console.WriteLine(xn2.InnerText);\/\/\u663e\u793a\u5b50\u8282\u70b9\u70b9\u6587\u672c
    }
   }
<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

\u5df2\u77e5\u6709\u4e00\u4e2aXML\u6587\u4ef6\uff08bookstore.xml\uff09\u5982\u4e0b\uff1a<?x...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-134","post","type-post","status-publish","format-standard","hentry","category-NET"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=134"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/134\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}