1 #import "XMLViewController.h"
2 #import "Student.h"
3 @interface XMLViewController ()<NSXMLParserDelegate>
4 @property (strong,nonatomic) NSMutableArray *stuArray;
5 @property (strong,nonatomic) Student *student;
6 @property (strong,nonatomic) NSString *value;
7 @end
8
9 @implementation XMLViewController
10
11 - (void)viewDidLoad {
12 [super viewDidLoad];
13 // Do any additional setup after loading the view.
14 }
15 - (IBAction)didClickParserButtonAction:(UIButton *)sender {
16 NSData *xmlData = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"XML_stu" ofType:@"txt"]];
17 //创建SAX解析工具NSXMLParser
18 NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithData:xmlData];
19 //设置代理
20 xmlParser.delegate = self;
21 //开始解析
22 [xmlParser parse];
23 }
24 //开始解析 XML 文档
25 -(void)parserDidStartDocument:(NSXMLParser *)parser
26 {
27 NSLog(@"开始文档");
28 //初始化数组
29 self.stuArray = [NSMutableArray new];
30 }
31
32 //找到一个节点(找到一个开始标签)
33 -(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict
34 {
35 NSLog(@"开始标签");
36 if ([elementName isEqualToString:@"student"]) {
37 self.student = [[Student alloc] init];
38
39 }
40 }
41
42 //获得标签内容
43 -(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
44 {
45 NSLog(@"获取内容:%@",string);
46 self.value = string;
47 }
48
49
50 //找到一个结束标签
51 -(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
52 {
53 NSLog(@"结束标签");
54 //KVC 赋值
55 [self.student setValue:self.value forKey:elementName];
56
57 //若student标签结束,添加到数组
58 if ([elementName isEqualToString:@"student"]) {
59 [self.stuArray addObject:self.student];
60 }
61 }
62 //结束解析XML文档
63 -(void)parserDidEndDocument:(NSXMLParser *)parser
64 {
65 NSLog(@"结束文档");
66 NSLog(@"%@",self.stuArray);
67 }
68 //解析出错
69 -(void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
70 {
71 NSLog(@"解析出错:%@",parseError);
72 }
73
74 - (void)didReceiveMemoryWarning {
75 [super didReceiveMemoryWarning];
76 // Dispose of any resources that can be recreated.
77 }
78
79
80
81 @end
