</response>
GDataXMLDocument *gData = [[GDataXMLDocument alloc] initWithData:data options:GDataXMLDocumentKind error:nil];
// 2. 獲得根結點
GDataXMLElement *root = [gData rootElement];
// 3. 獲得想要的結點
NSArray *lists = [root nodesForXPath:@"ttscity" error:nil];
GDataXMLElement *ele = lists.lastObject;
NSArray *array2 = ele.attributes;
GDataXMLNode *node = array2.firstObject;
NSString *cityNode = [node stringValue];