IOS JSON/XML解析

<pre name="code" class="objc">/*---------------------------XML_SAX解析-------------------------------*/

//XML SAX解析
- (IBAction)XML_SAX:(id)sender
{
NSData *da = [[NSData alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"megage" ofType:@"txt"]];
//第一步,创建xml解析
NSXMLParser *Parserdata = [[NSXMLParser alloc] initWithData:da];
//第二步设置代理
Parserdata.delegate = self;
//第三步 启动解析
[Parserdata parse];

NSLog(@"点我");
}
/*---------------------------XML_SAX代理方法-------------------------------*/
//开始解析------------->>>启动解析的时候走代理方法
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
//1.在开始解析的时候初始化接收信息的数组,为了不占用内存
self.megArray = [NSMutableArray array];

}

//开始解析某个节点的时候
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
//小1.把他的节点接收起来
self.elementString = elementName;
if([elementName isEqualToString:@"message"])
{
Recorce *meg = [[Recorce alloc] init];
[self.megArray addObject:meg];

}
}
//找到内容(节点)
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
Recorce *meg = [self.megArray lastObject];
//通过节点添加内容
[meg setValue:string forKey:self.elementString];

}
//结束解析某个节点
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
self.elementString = nil;
}

//完成解析
- (void)parserDidEndDocument:(NSXMLParser *)parser
{

for (Recorce *me in self.megArray) {
NSLog(@"%@",me);
}

}
//解析发生错误的时候
- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
{

}

- (IBAction)XML_DOM:(id)sender
{
NSData *data = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"megage" ofType:@"txt"]];
//获取数据
GDataXMLDocument *document = [[GDataXMLDocument alloc] initWithData:data options:0 error:nil];
//找到根节点
GDataXMLElement *Rootelement = document.rootElement;
self.megArray = [NSMutableArray array];
//遍历根节点中的子节点,
for ( GDataXMLElement *em in Rootelement.children )
{
message *meg = [[message alloc] init];
for (GDataXMLElement *GE in em.children)
{
[meg setValue:GE.stringValue forKey:GE.name];
}
[self.megArray addObject:meg];
NSLog(@"%@",meg);
}

}

- (IBAction)JSON_KIT:(id)sender
{
//获得路径
NSData *data = [[NSData alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"content" ofType:@"txt"]];
//获得数据(第三方)
NSArray *dataArray = [data objectFromJSONData];
NSLog(@"%@",dataArray);

}

- (IBAction)JSON:(id)sender
{
NSData *data = [[NSData alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"content" ofType:@"txt"]];
NSArray *dataArray = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];