XML解析

@interface TRBookXmlParser : NSObject<NSXMLParserDelegate>

@property (nonatomic,strong)NSMutableArray *books;

)TRBook *book;

)NSString *currentString;

-(NSMutableArray *)beginParseByPath:(NSString *)path;

@implementation TRBookXmlParser

-(NSMutableArray *)beginParseByPath:(NSString *)path{

NSData *data = [NSData dataWithContentsOfFile:path];

NSXMLParser *parser = [[NSXMLParser alloc]initWithData:data];

self.books = [NSMutableArray array];

parser.delegate = self;

if ([parser parse] ) {

NSLog(@"解析成功");

}

return self.books;

}

// step 2：准备解析节点

-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{

if ([elementName isEqualToString:@"book"]) {

NSLog(@"%@ ",attributeDict);

self.book = [[TRBook alloc]init];

self.book.bookID = [attributeDict objectForKey:@"id"];

[self.books addObject:self.book];

}

}

//step 3:获取首尾节点间内容

-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{

// 如果为‘n’就回到第二步，如果不是‘n’就到第四步

self.currentString = string;

}

//step 4 ：解析完当前节点

-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{

NSLog(@"end %@",elementName);

if ([elementName isEqualToString:@"name"]) {

self.book.name = self.currentString;

}else if ([elementName isEqualToString:@"author"]) {

self.book.author = self.currentString;

}else if ([elementName isEqualToString:@"price"]) {

self.book.price = self.currentString.intValue;

}else if ([elementName isEqualToString:@"page"]) {

self.book.page = self.currentString.intValue;

}

}

（编辑：李大同）

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