NSString *str = [NSString stringWithContentsOfURL:[NSURL URLWithString:@"http://vip.astro.sina.com.cn/astro/view/aries/day/20140808"] encoding:NSUTF8StringEncoding error:nil];
NSError *error;
//预先步骤
//1. 在工程中添加libxml2的库（Build Phase －> Link binary with libraries -> +）
//2. 在Header Search Path中添加/usr/include/libxml2
//解析HTML文档
HTMLParser *parser = [[HTMLParser alloc] initWithString:str error:&error];
if (error) {
NSLog(@"%@", error);
return;
}
//获取HTML的body部分
HTMLNode *node = [parser body];
//根据HTML节点的属性查找节点
NSArray *tabs = [node findChildrenWithAttribute:@"class" matchingName:@"tab" allowPartial:YES];
for (HTMLNode *n in tabs) {
//根据节点名称查找子节点
HTMLNode *h4 = [n findChildTag:@"h4"];
HTMLNode *img = [n findChildTag:@"img"];
HTMLNode *p = [n findChildTag:@"p"];
//获取的属性值
NSLog(@"%@", [img getAttributeNamed:@"src"]);
//获取节点内容
NSLog(@"%@: %@", [h4 contents], [p contents]);
}
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