1 +(NSDictionary *) XmlAnalysisWithString:(NSString *) URLString 2  3 { 4  5 NSError* error; 6  7 NSMutableDictionary * dataDic = [NSMutableDictionary dictionary]; 8  9 //拿出xml文件内容10 11 NSURL * myURL = [NSURL URLWithString:URLString];12 13 NSString* fileContent = [[NSString alloc] initWithContentsOfURL:myURL encoding:NSUTF8StringEncoding error:&error];14 15 GDataXMLDocument* document = [[GDataXMLDocument alloc] initWithXMLString:fileContent options:1 error:&error];16 17  18 19 if (error) {20 21 NSLog(@”%@”, [error localizedDescription]);22 23 } else {24 25 //取出xml的根节点26 27 GDataXMLElement* rootElement = [document rootElement];28 29 GDataXMLElement * testElement = nil;30 31 GDataXMLElement * childTestElement = nil;32 33 //取出根节点的所有孩子节点34 35 for (int i = 0; i < [[rootElement children] count]; i++) {36 37 testElement =  [[rootElement children]objectAtIndex:i];38 39 //获取channelname40 41 NSString * titleContent = [[[testElement elementsForName:@"channelname"]objectAtIndex:0] stringValue];42 43 NSArray * children = [testElement children];44 45 NSMutableArray * allData = [[NSMutableArray alloc]init];46 47 //从第2个节点开始都是item ,第一个节点是每一个的channelname48 49 for (int j = 1; j < [children count]; j++)50 51 {52 53 NSMutableDictionary * everyDic = [[NSMutableDictionary alloc]init];54 55 childTestElement = [children objectAtIndex:j];56 57 //获得每一个item下的有用信息58 59 NSString * topicContent = [[[childTestElement elementsForName:@"topic"]objectAtIndex:0] stringValue] ;60 61 NSString * summaryContent = [[[childTestElement elementsForName:@"summary"]objectAtIndex:0] stringValue] ;62 63 NSString * picContent = [[[childTestElement elementsForName:@"pic"]objectAtIndex:0] stringValue] ;64 65 NSString * infoidContent = [[[childTestElement elementsForName:@"infoid"]objectAtIndex:0] stringValue] ;66 67  68 69 [everyDic setObject:topicContent forKey:@"topic"];70 71 [everyDic setObject:summaryContent forKey:@"summary"];72 73 [everyDic setObject:picContent forKey:@"pic"];74 75 [everyDic setObject:infoidContent forKey:@"infoid"];76 77  78 79 //把每一个item加进每一个channel的数组中80 81 [allData addObject:everyDic];82 83 }84 85 //根据channel的名字存储数组86 87 [dataDic setObject:allData forKey:titleContent];88 89 }90 91 }92 93 return dataDic;94 95 }