毕业设计需要用到xml文件来组织和存放数据,

对于Linux环境下,有libxml2可供使用。

 

经过一段时间查询文档和网站,

基本掌握创建xml文档和解析xml的操作,

简单做一下记录。

 

 

创建xml

例子如下:

 

 1 #include <stdio.h>
 2 #include <libxml/parser.h>
 3 #include <libxml/tree.h>
 4 
 5 int main(int argc, char **argv)
 6 {
 7         xmlDocPtr doc = NULL;
 8         xmlNodePtr root_node = NULL, node = NULL, node1 = NULL;
 9 
10         doc = xmlNewDoc(BAD_CAST "1.0"); // create a new xml document.
11         root_node = xmlNewNode(NULL, BAD_CAST "root"); // create a root node.
12         xmlDocSetRootElement(doc, root_node);
13 
14         xmlNewChild(root_node, NULL, BAD_CAST "node1", BAD_CAST "content of node1");
15         //xmlNewChild(root_node, NULL, BAD_CAST "node2", NULL);
16 
17         node = xmlNewChild(root_node, NULL, BAD_CAST "node3", BAD_CAST "node3 has attributes");
18         xmlNewProp(node, BAD_CAST "attribute", BAD_CAST "yes");
19 
20         node = xmlNewNode(NULL, BAD_CAST "node4");
21         node1 = xmlNewText(BAD_CAST
22                    "other way to create content (which is also a node)");
23         xmlAddChild(node, node1);
24         xmlAddChild(root_node, node);
25 
26         xmlSaveFormatFileEnc(argc > 1 ? argv[1] : "-", doc, "UTF-8", 1);
27 
28         xmlFreeDoc(doc);
29 
30         xmlCleanupParser();
31 
32         xmlMemoryDump();
33         return(0);
34 }
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