iPhone HTTP获得XML并使用GDataXML解析

NSURL *url = [NSURL URLWithString: @"http://www.raywenderlich.com/downloads/Party.xml"]; NSMutableURLRequest* request = [NSMutableURLRequest new]; [request setURL:url]; [request setHTTPMethod:@"GET"]; NSHTTPURLResponse* response; NSData* data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil]; NSString* responseXMLResult = [[NSString alloc] initWithData:data encoding: CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000)]; NSError *error; GDataXMLDocument *doc = [[GDataXMLDocument alloc] initWithXMLString: responseXMLResult options:0 error:&error]; if (doc == nil) { return; } NSLog(@"LOG=%@", [[NSString alloc] initWithData:doc.XMLData encoding:NSUTF8StringEncoding]); //NSLog(@"%@", doc.rootElement.XMLString); NSMutableString *resultString = [[NSMutableString alloc] initWithString:@"XML数据内容: n"]; //NSArray *partyMembers = [doc.rootElement elementsForName:@"Player"]; NSArray *partyMembers = [doc.rootElement nodesForXPath:@"//Party/Player" error:nil]; for (GDataXMLElement *partyMember in partyMembers) { NSString *_name; NSString *_level; NSString *_class; // Name //NSArray *names = [partyMember elementsForName:@"Name"]; NSArray *names = [partyMember nodesForXPath:@"Name" error:nil]; if (names.count > 0) { GDataXMLElement *firstName = (GDataXMLElement *) [names objectAtIndex:0]; _name = firstName.XMLString; } else continue; // Level NSArray *levels = [partyMember elementsForName:@"Level"]; if (levels.count > 0) { GDataXMLElement *firstLevel = (GDataXMLElement *) [levels objectAtIndex:0]; _level = firstLevel.stringValue; } else continue; // Class NSArray *classes = [partyMember elementsForName:@"Class"]; if (classes.count > 0) { GDataXMLElement *firstClass = (GDataXMLElement *) [classes objectAtIndex:0]; _class = firstClass.stringValue; } else continue; [resultString appendFormat:@"Name=%@",_name ]; [resultString appendFormat:@" Level=%@",_level ]; [resultString appendFormat:@" Class=%@n",_class ]; } //textView.text = [[NSString alloc] initWithData:doc.XMLData encoding:NSUTF8StringEncoding]; textView.text = resultString; [url release]; [doc release];