Fedora下libxml2的使用

#include < libxml2/libxml/xmlversion.h >

void  writeXML(void){

    //定义文档和节点指针
      xmlDocPtr doc = xmlNewDoc(BAD_CAST"1.0");
      xmlNodePtr root_node = xmlNewNode(NULL,BAD_CAST"root");
      //设置根节点
      xmlDocSetRootElement(doc, root_node);
      //在根节点中直接创建节点
      xmlNewTextChild(root_node, NULL, BAD_CAST "newNode1", BAD_CAST "newNode1 content");
      xmlNewTextChild(root_node, NULL, BAD_CAST "newNode2", BAD_CAST "newNode2 content");
      xmlNewTextChild(root_node, NULL, BAD_CAST "newNode3", BAD_CAST "newNode3 content");
      //创建一个节点，设置其内容和属性，然后加入根结点
      xmlNodePtr node = xmlNewNode(NULL, BAD_CAST"node2");
      xmlNodePtr content = xmlNewText(BAD_CAST"NODE CONTENT");
      xmlAddChild(root_node, node);
      xmlAddChild(node,content);
      xmlNewProp(node,BAD_CAST"attribute", BAD_CAST "yes");
      //创建一个儿子和孙子节点
      node = xmlNewNode(NULL, BAD_CAST "son");
      xmlAddChild(root_node,node);
      xmlNodePtr grandson = xmlNewNode(NULL, BAD_CAST "grandson");
      xmlAddChild(node,grandson);
      xmlAddChild(grandson, xmlNewText(BAD_CAST "This is a grandson node"));
      //存储xml文档
      int nRel = 0;
      nRel = xmlSaveFile("CreatedXml.xml",doc);
      if (nRel != -1)
      {
         cout<<"一个xml文档被创建,写入"<<nRel<<"个字节"<<endl;
      }
      //释放文档内节点动态申请的内存
      xmlFreeDoc(doc);
}