//
// ViewController.m
// XML解析
//
// Created by YIem on 16/2/29.
// Copyright © 2016年 YIem. All rights reserved.
//

import "ViewController.h"

import "Student.h"

@interface ViewController ()<NSXMLParserDelegate>
@property (nonatomic, retain) NSMutableArray *stuArr;
@property (nonatomic, copy) NSString *elementNameStr;
@end

@implementation ViewController

(void)dealloc
{
```
[_stuArr release];
[super dealloc];
```
}

(void)viewDidLoad {

[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.view.backgroundColor = [UIColor whiteColor];
UIButton *saxB = [UIButton buttonWithType:UIButtonTypeSystem];
saxB.frame = CGRectMake(100, 100, 80, 30);
[saxB setTitle:@"XML解析" forState:UIControlStateNormal];
[saxB addTarget:self action:@selector(saxAction) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:saxB];

}

(void)saxAction
{

// 获取文件路径
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Student" ofType:@"xml"];
// 读取文件内容
NSData *data = [NSData dataWithContentsOfFile:filePath];
// XML解析
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
// 协议
parser.delegate = self;
// 开始解析
[parser parse];

}

// 方法

(void)parserDidStartDocument:(NSXMLParser *)parser
{
NSLog(@"开始解析");
self.stuArr = [NSMutableArray array];
}
(void)parser:(NSXMLParser )parser didStartElement:(NSString )elementName namespaceURI:(NSString )namespaceURI qualifiedName:(NSString )qName attributes:(NSDictionary<NSString ,NSString > *)attributeDict
{
NSLog(@"只解析开始标签:%@", elementName);
// 为了在"解析值"的方法内获取到当前的意义(为解析标签值服务)
self.elementNameStr = elementName;
// 如开始标签为@"student", 代表是新的一名学生信息, 此时添加新的学生对象
if ([elementName isEqualToString:@"student"]) {
```
Student *stu = [[Student alloc] init];
[self.stuArr addObject:stu];
[stu release];
```
}
}
(void)parser:(NSXMLParser )parser foundCharacters:(NSString )string
{
NSLog(@"解析标签值:%@", string);
// 为最新添加的学生对象设置值
Student *stu = self.stuArr.lastObject;
[stu setValue:string forKey:self.elementNameStr];
}
(void)parser:(NSXMLParser )parser didEndElement:(NSString )elementName namespaceURI:(NSString )namespaceURI qualifiedName:(NSString )qName
{
NSLog(@"只解析结束标签:%@", elementName);
// 数据解析为空(n)的第二种解决办法
self.elementNameStr = nil;
}
(void)parserDidEndDocument:(NSXMLParser *)parser
{
NSLog(@"结束解析");
for (Student *stu in self.stuArr) {
```
NSLog(@"%@ %@ %@ %@", stu.number, stu.name, stu.sex, stu.phone);
```
}
}
(void)parser:(NSXMLParser )parser parseErrorOccurred:(NSError )parseError
{
NSLog(@"不可恢复错误");
}
(void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

@end

//
// Student.h
// XML解析
//
// Created by YIem on 16/2/29.
// Copyright © 2016年 YIem. All rights reserved.
//

import <Foundation/Foundation.h>

@interface Student : NSObject
@property (nonatomic, copy) NSString *number;
@property (nonatomic, copy) NSString *name;
@property (nonatomic, copy) NSString *sex;
@property (nonatomic, copy) NSString *phone;
@end

import "Student.h"

@implementation Student

(void)dealloc
{

[_number release];
[_name release];
[_sex release];
[_phone release];
[super dealloc];

}

(void)setValue:(id)value forUndefinedKey:(NSString *)key
{
}

@end

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iOS-UI-XML数据解析-SAX方法

import "ViewController.h"

import "Student.h"

import <Foundation/Foundation.h>

import "Student.h"