libxml学习

liurhyme

<div style="text-align: center;"><font class="Apple-style-span" size="5">libxml学习<br></font><br><div style="text-align: left; "><font class="Apple-style-span" size="4"><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Arial; line-height: 20px; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">1 声明指针：文档指针(xmlDocPtr)，结点指针(xmlNodePtr)；<br style="line-height: normal;">2 得到文档doc: &nbsp;xmlReadFile<br style="line-height: normal;">3 得到根结点root_node：xmlDocGetRootElement<br style="line-height: normal;">4 结点操作：<br style="line-height: normal;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1)获得到结点值： xmlNodeGetContent(对应于xmlFree)<br style="line-height: normal;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2)遍历：<br style="line-height: normal;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 指向下一个结点：xmlNodePtr -&gt;children<br style="line-height: normal;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 结点值：xmlNodePtr-&gt;name,<br style="line-height: normal;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 结点内遍历：xmlNodePtr-&gt;next<br style="line-height: normal;">5 释放内存：xmlFreeDoc，xmlFree</span>&nbsp;<br></font><font class="Apple-style-span" size="5"><br>&nbsp;&nbsp;&nbsp;</font></div></div>