使用原生的NSXmlParser解析xml数据

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xml文件地址: http://d1xzuxjlafny7l.cloudfront.net/downloads/Party.xml

下面是本人使用原声NSXmlParser对xml数据进行的解析。

这里有篇有一篇很不错的教程,使用Gdataxml库对xml数据进行的解析,而且还有对xml数据格式的组建,讲解的很是详细。


@H_404_9@#import "ViewController.h" #pragma mark ---- xml解析器 /** * XML数据解析器 */ @interface XmlParser : NSObject<NSXMLParserDelegate> @end @interface XmlParser () //解析完成后调用的block @property (nonatomic,copy) void(^completionBlock)(NSArray *xmlArray); //保存完整地数据结构 @property (nonatomic,strong) NSMutableArray *rootArray; //临时变量 @property (nonatomic,strong) NSMutableDictionary *tmpDictionary; @property (nonatomic,copy) NSString *tmpElementName; @end static NSString *xmlUrlPath = @"http://d1xzuxjlafny7l.cloudfront.net/downloads/Party.xml"; @implementation XmlParser -(void)startWithCompletion:(void (^)(NSArray *))completion{ _completionBlock = completion; NSXMLParser *parser = [[NSXMLParser alloc] initWithContentsOfURL:[NSURL URLWithString:xmlUrlPath]]; parser.delegate = self; if( ![parser parse] ){ NSLog(@"获取指定路径的xml文件失败!"); } } //懒加载 -(NSMutableArray *)rootArray{ if( !_rootArray ){ _rootArray = [NSMutableArray array]; } return _rootArray; } -(NSMutableDictionary *)tmpDictionary{ if( !_tmpDictionary ){ _tmpDictionary = [NSMutableDictionary dictionary]; } return _tmpDictionary; } #pragma mark --- NSXmlParser delegate 由名知其意 - (void)parserDidStartDocument:(NSXMLParser *)parser{ } - (void)parserDidEndDocument:(NSXMLParser *)parser{ //释放临时变量 _tmpDictionary = nil; //回调block _completionBlock(_rootArray); } - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{ _tmpElementName = elementName; } - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{ if( [elementName isEqualToString:@"Player"] ){ [self.rootArray addObject:self.tmpDictionary]; } //清空保存的数据 _tmpElementName = nil; } - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{ if( [_tmpElementName isEqualToString:@"Name"] || [_tmpElementName isEqualToString:@"Level"] || [_tmpElementName isEqualToString:@"Class"] ){ [self.tmpDictionary setObject:string forKey:_tmpElementName]; } } @end #pragma mark --- Controller //对XmlParser解析器的使用 @interface ViewController () @property (nonatomic,strong) XmlParser *xmlParser; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view,typically from a nib. [self.xmlParser startWithCompletion:^(NSArray *xmlArray) { NSLog(@"xmlArray = %@",xmlArray); }]; } -(XmlParser *)xmlParser{ if( !_xmlParser ){ _xmlParser = [[XmlParser alloc] init]; } return _xmlParser; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end 原文链接:https://www.f2er.com/xml/296623.html

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