iOS开发-Day33-xml解析

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1.系统自带(需要遵循协议NSXMLParserDelegate)

-(void)xml{    NSXMLParser *par=[[NSXMLParser alloc]initWithContentsOfURL:[NSURL URLWithString:@"http://www.meituan.com/api/v1/divisions?mtt=1.help%2Fapi.0.0.ieb2zbsc"]];    par.delegate=self;    [par parse];}-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{}-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{    if ([elementName isEqualToString:@"name"]) {        [self.marr2 addObject:self.str];    }else if([elementName isEqualToString:@"name"]){    }else if([elementName isEqualToString:@"name"]){    }}-(void)parserDidStartDocument:(NSXMLParser *)parser{    self.marr2=[NSMutableArray arrayWithCapacity:0];}-(void)parserDidEndDocument:(NSXMLParser *)parser{}-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{    self.str=string;}

2.第三方(需要导入GDataXMLNode文件,并修改工程配置)

-(void)Gxml{    NSString *path=@"http://www.meituan.com/api/v1/divisions?mtt=1.help%2Fapi.0.0.ieb2zbsc";    NSURL *url=[NSURL URLWithString:path];    NSURLRequest *request;    NSURLResponse *response;    __autoreleasing NSError *error;    request=[NSURLRequest requestWithURL:url];    NSData *data =[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];    GDataXMLDocument *xml=[[GDataXMLDocument alloc]initWithData:data options:0 error:&error];    GDataXMLElement *root=[xml rootElement];//    NSLog(@"%@",root);//    NSLog(@"%@",[root elementsForName:@"divisions"]);    NSArray *arr=[root elementsForName:@"divisions"];    for (GDataXMLElement *division in arr) {        NSArray *arr2=[division elementsForName:@"division"];        for (GDataXMLElement *inf in arr2) {//             NSLog(@"%@",[[inf elementsForName:@"name"][0] stringValue]);            [self.marr addObject:[[inf elementsForName:@"name"][0] stringValue]];            NSArray *arr3=[inf elementsForName:@"location"];            for (GDataXMLElement *local in arr3) {                NSLog(@"%@",[[local elementsForName:@"latitude"][0] stringValue]);                NSString *location=[NSString stringWithFormat:@"%@/%@",[[local elementsForName:@"latitude"][0] stringValue],[[local elementsForName:@"longitude"][0] stringValue]];                [self.datilmarr addObject:location];            }        }    }}

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