XML文件如下:
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <books> <book name="book1" num="1" > 出版于1991年 </book> <book name="book2" num="2" > 出版于1992年 </book> <book name="book3" num="3" > 出版于1993年 </book> <book name="book4" num="4" > 出版于1994年 </book> </books>
解析后的结果:
封装model来接收解析后的XML文件数据
JRBook.h文件
#import <Foundation/Foundation.h> @interface JRBook : NSObject //书籍名称 @property (nonatomic,copy)NSString * name; //书籍数量 @property (nonatomic,assign) NSInteger number; //出版年份 @property (nonatomic,copy) NSString * punDate; + (JRBook *) getBookWithDic:(NSDictionary *) dic; @end
JRBook.m文件
#import "JRBook.h" @implementation JRBook + (JRBook *) getBookWithDic:(NSDictionary *) dic { JRBook * book=[[JRBook alloc]init]; book.name=dic[@"name"]; book.number=[dic[@"num"] integerValue]; return book; } @end
ViewController.m文件 #import "ViewController.h" #import "JRBook.h" @interface ViewController () <NSXMLParserDelegate> { JRBook * tempBook; NSMutableString * tempPublic; } /** 存放model 的数组 */ @property (nonatomic,strong) NSMutableArray * dataArray; @end @implementation ViewController #pragma mark - 懒加载 - (NSMutableArray *) dataArray { if (_dataArray==nil) { _dataArray=[NSMutableArray array]; } return _dataArray; } #pragma mark - 程序入口 - (void)viewDidLoad { [super viewDidLoad]; } #pragma mark - 点击屏幕开始解析XML文件 - (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { //1>>> 初始化parse对象 NSString * path=[[NSBundle mainBundle]pathForResource:@"xml.xml" ofType:nil]; NSData * data=[NSData dataWithContentsOfFile:path]; NSXMLParser * parse=[[NSXMLParser alloc]initWithData:data]; //2>>> 设置代理,监控解析 parse.delegate=self; //3>>> 开始解析 [parse parse]; //4>>> for(JRBook * book in self.dataArray) { NSLog(@"书籍名称: %@-----书籍数量: %li----出版年份:%@",book.name,book.number,book.punDate); } } #pragma mark - 实现 NSXMLParserDelegate 的代理方法 - (void)parserDidStartDocument:(NSXMLParser *)parser { //NSLog(@"start"); } - (void)parserDidEndDocument:(NSXMLParser *)parser { //NSLog(@"end"); } - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict { if([elementName isEqualToString:@"book"]) { tempPublic=[NSMutableString string]; tempBook =[JRBook getBookWithDic:attributeDict]; } } - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName { if([elementName isEqualToString:@"book"]) { tempBook.punDate=tempPublic; [self.dataArray addObject:tempBook]; } } - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { [tempPublic appendString:string]; } @end (编辑:李大同)
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