iOS 保存XML文件

    //创建根节点

    GDataXMLElement *rootElement = [GDataXMLNode elementWithName:@"abCASD"];

    //创建第一个子节点

    GDataXMLElement *element = [GDataXMLNode elementWithName:@"name123" stringValue:@"东方红"];

    

    //设置XML属性

    GDataXMLElement *element1 = [GDataXMLNode attributeWithName:@"type" stringValue:@"gif"];

    [rootElement addChild:element1];

    

    //添加子节点到根节点上

    [rootElement addChild: element];

    //使用根节点创建xml文档

    GDataXMLDocument *rootDoc = [[GDataXMLDocument alloc] initWithRootElement:rootElement];

    //设置使用的xml版本号

    [rootDoc setVersion:@"1.0"];

    //设置xml文档的字符编码

    [rootDoc setCharacterEncoding:@"utf-8"];

    

    //获取并打印xml字符串

    NSString *str = [[NSString alloc] initWithData:rootDoc.XMLData encoding:NSUTF8StringEncoding];

    NSLog(@"%@", str);

    

    

    //解析XML

    GDataXMLElement *root = [rootDoc rootElement];

    for (int i=0; i <[rootElement childCount]; i++) {

        

        //GDataXMLElement *element = (GDataXMLElement *)[root childAtIndex:i];

        NSLog(@"ROOT Element Name = %@", root.name);

        NSLog(@"ROOT Type = %@", [[root attributeForName:@"type"] stringValue]);

        

        

        GDataXMLElement *element = (GDataXMLElement *)[root childAtIndex:i];

        NSLog(@"Element Name = %@", element.name);

        NSLog(@"Type = %@", [[element attributeForName:@"type"] stringValue]);

        //属性不属于子元素

        for (int j=0; j<[element childCount]; j++) {

            

            GDataXMLElement *subItem = (GDataXMLElement *)[element childAtIndex:j];

            NSLog(@"Sub Name = %@", subItem.name);

            NSLog(@"Sub value = %@", subItem.stringValue);

        }

    }

    //在Xcode中保存XML文件 保存到沙盒中

    NSData *data = [rootDoc XMLData];

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *contactsPath = [paths objectAtIndex:0];

    NSString *filePath = [contactsPath stringByAppendingPathComponent:@"contacts.xml"];

    NSLog(@"filePath =========== %@",filePath);

    if (![fileManager fileExistsAtPath:filePath]) {

        [fileManager createFileAtPath:filePath contents:nil attributes:nil];

    }else{

        [fileManager removeItemAtPath:filePath error:nil];

    }

    [data writeToFile:filePath atomically:YES];