NSData *xmlData = [[NSData alloc]initWithContentsOfFile:[NSString stringWithFormat:@"%@/People.xml",[[NSBundle mainBundle] resourcePath]]]; 
  //2.將xmlData轉(zhuǎn)化成xml文檔 
  GDataXMLDocument *xmlDocument = [[GDataXMLDocument alloc]initWithData:xmlData options:0 error:nil]; 
  //3.得到節(jié)點 
  GDataXMLElement *rootElement = xmlDocument.rootElement; 
  //4.得到子節(jié)點 
/*NSArray *elementArray = rootElement.children; 
  //得到classone節(jié)點 
  GDataXMLElement *classoneElement = [elementArray firstObject]; 
  for(GDataXMLElement *element in classoneElement.children) 
  { 
    //得到當前節(jié)點的文本值 
    NSLog(@"%@",element.stringValue); 
    if (element.children.count>0) { 
      GDataXMLElement *infoElement = [element.children lastObject]; 
      //獲得節(jié)點的所有屬性和屬性值 
      NSArray *attArray = infoElement.attributes; 
      for (GDataXMLElement *attElement in attArray) { 
        //得到屬性名和屬性值 
        NSLog(@"%@-%@",attElement.name,attElement.stringValue); 
      } 
    } 
  } 
  */ 
  //模糊查找 
  NSArray *eArray = [rootElement nodesForXPath:@"http://info" error:nil]; 
  NSLog(@"%@",eArray); 

 xml字符串為：
<users>
<user name="hoge" age="20" />
<user name="fuga" age="30" />
</users>
 
//解析按鈕事件
-(IBAction)btnXml
{
  
  NSString* str= [uitextview1 text];
  //string轉(zhuǎn)成data
  NSData *xmlData = [str dataUsingEncoding: NSUTF8StringEncoding];
  //對xml進行解析需要使用NSXMLParser類，首先聲明一個NSXMLParser對象  
  //開始解析 
  NSXMLParser* xmlRead = [[NSXMLParser alloc] initWithData:xmlData];//初始化NSXMLParser對象  
  [xmlRead setDelegate:self];//設置NSXMLParser對象的解析方法代理 
  [xmlRead parse];//調(diào)用代理解析NSXMLParser對象，看解析是否成功   
}
 
//解析器，從兩個結(jié)點之間讀取內(nèi)容
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
  //NSLog(@"%@",string);
}
 
//獲得結(jié)點結(jié)尾的值
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName
 namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
  //NSLog(@"%@",elementName);
}
//獲得結(jié)點頭的值
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName
 namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
  attributes:(NSDictionary *)attributeDict 
{
  //NSLog(@"%@",elementName);
  if([elementName isEqualToString: @"user"])
  {
    NSString* strName=[attributeDict valueForKey:@"name"];
    NSString* strAge=[attributeDict valueForKey:@"age"]; 
    NSString* strUser=uitextview2.text;
    strUser=[strUser stringByAppendingFormat:@"姓名：%@,年齡：%@\n",strName,strAge];
    [uitextview2 setText:strUser];
    //NSLog(@"姓名：%@,年齡：%@", strName,strAge);
  }
}