kissxml demo

kissxml.m

-(void)parseXML:(NSData *) data
{
    //文档开始（KissXML和GDataXML一样也是基于DOM的解析方式）
    DDXMLDocument *xmlDoc = [[DDXMLDocument alloc] initWithData:data options:0 error:nil];
    
    
    DDXMLElement *root = [xmlDoc rootElement];
    NSString *status = [root elementForName:@"status"].stringValue;
    NSString *next_page_token = [root elementForName:@"next_page_token"].stringValue;
    
    NSLog(@"status: %@", status);
    NSLog(@"next page: %@",next_page_token);
    
    NSLog(@"==================================================");
    
    //利用XPath来定位节点（XPath是XML语言中的定位语法，类似于数据库中的SQL功能）
    NSArray *results = [xmlDoc nodesForXPath:@"PlaceSearchResponse/result" error:nil];
    
    for (DDXMLElement *result in results) {
        
        NSString *name = [result elementForName:@"name"].stringValue;
        NSLog(@"%@",name);
        
        NSString *formatted_address = [result elementForName:@"formatted_address"].stringValue;
        NSLog(@"%@",formatted_address);
        
        DDXMLElement *geo = [result nodesForXPath:@"geometry/location" error:nil][0];
        
        double lat = [geo elementForName:@"lat"].stringValue.doubleValue;
        double lng = [geo elementForName:@"lng"].stringValue.doubleValue;
        NSLog(@"(%f,%f)", lat, lng);
        
        NSLog(@"==================================================");
        
    }
}