[摘要]本文是對iOS學習 - 21 系統自帶解析 XML的講解，對學習IOS蘋果軟件開發有所幫助,與大家分享。

准備工作：

new -> file -> other -> Empty ,在 Save As: 中隨便起個名字後綴為 .xml

拷貝下面

<person>
    <student>
            <pid>1001</pid>
            <name>小明</name>
            <sex>男</sex>
            <age>12</age>
    </student>
</person>

完整代碼

//
//  ViewController.m
//  XML
//
//  Created by CC on 16/8/29.
//  Copyright © 2016年 CC. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()<NSXMLParserDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    [self analysis];
}

- (void)analysis {
    
    NSString *filename = [[NSBundle mainBundle]pathForResource:@"File.xml" ofType:nil];
    NSData *data = [[NSData alloc]initWithContentsOfFile:filename];
    NSXMLParser *parset = [[NSXMLParser alloc]initWithData:data];
    parset.delegate = self;
    [parset parse];
}

//文檔開始時觸發，只觸發一次
- (void)parserDidStartDocument:(NSXMLParser *)parser {
    NSLog(@"parsetStart");
}

//文檔出錯時觸發
- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError {
    if (parseError) {
        NSLog(@"parseError:%@",parseError);
    }
}

//遇到字符串開始觸發
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
    NSLog(@"00000000----- %@",string);
}

//遇到開始標簽觸發
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict {
    NSLog(@"arrributeDict --- %@",attributeDict);
}

//遇到結束標簽觸發
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
    NSLog(@"didEndElement ----- %@",elementName);
}

//遇到文檔結束時觸發
- (void)parserDidEndDocument:(NSXMLParser *)parser {
    NSLog(@"DidEndDocument");
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end