#import "MyViewController.h"
@interface MyViewController ()
@end
@implementation MyViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
/*
#pragma mark - Navigation
// In a storyboard-based application,you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.
}
*/
#pragma mark --SAX解析
// SAX特点: 逐行按每个标签进行解析
// 优点: 适合处理大型数据,不占内存
// 缺点: 不能对某个标签进行修改,不能定位到某个指定的标签
- (IBAction)myButton:(UIButton *)sender
{
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Students" ofType:@"txt"];
// 2.将文件转换成NSData类型
NSData *data = [NSData dataWithContentsOfFile:filePath];
// 3.用系统自带工具NSXMLParser解析数据
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
// 4.设置代理 签订协议并用代理方法解析
parser.delegate = self;
// 5.开始解析xml
[parser parse];
[parser release];
}
#pragma mark -- 解析电影list
- (IBAction)movieButton:(UIButton *)sender
{
NSString *file = [[NSBundle mainBundle] pathForResource:@"movielist副本" ofType:@"txt"];
NSData *data = [NSData dataWithContentsOfFile:file];
NSMutableDictionary *dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSLog(@"dic = %@",dic);
// 取出字典中key为error_code的值
NSString *error_codeStr = [NSString stringWithFormat:@"%@",[dic objectForKey:@"error_code"]];
NSLog(@"error_codeStr = %@",error_codeStr);
NSString *reasonStr = [NSString stringWithFormat:@"%@",[dic objectForKey:@"reason"]];
NSLog(@"reasonStr = %@",reasonStr);
if ([error_codeStr isEqualToString:@"0"]) {
NSLog(@"网络请求数据成功");
NSMutableArray *array = [dic objectForKey:@"result"];
NSLog(@"result = %@",array);
} else if ([error_codeStr isEqualToString:@"0001"]) {
}
}
#pragma mark --1.开始解析
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
NSLog(@"开始解析");
// 1.初始化数组
self.allStudentArray = [NSMutableArray array];
}
#pragma mark --2.开始解析标签
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
NSLog(@"开始标签 = %@",elementName);
// 根据开始标签stu判断是否是学生 如果是,创建一个学生对象
if ([elementName isEqualToString:@"stu"]) {
Students *stu = [[Students alloc] init];
// 将学生对象放入数组中
[self.allStudentArray addObject:stu];
[stu release];
}
self.currentElement = elementName;
}
#pragma mark --3.解析标签值
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
// 取出学生对象,并赋值
Students *stu = [self.allStudentArray lastObject];
/*
// 判断如果当前的开始标签是<name>那么我就将值存入
if ([self.currentElement isEqualToString:@"name"]) {
stu.name = string;
}
if ([self.currentElement isEqualToString:@"number"]) {
stu.number = string;
if ([self.currentElement isEqualToString:@"time"]) {
stu.time = string;
if ([self.currentElement isEqualToString:@"address"]) {
stu.address = string;
*/
// 如果你的key值跟属性名一样,kvc会自动给属性value赋值
[stu setValue:string forKey:self.currentElement];
}
#pragma mark --4.解析标签结束
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
self.currentElement = nil;
NSLog(@"结束标签 = %@",elementName);
}
#pragma mark --5.解析结束
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
for (Students *stu in self.allStudentArray) {
NSLog(@"name = %@ number = %@ time = %@ address = %@",stu.name,stu.number,stu.time,stu.address);
}
NSLog(@"结束标签");
}
#pragma mark Dom解析
- (IBAction)button1:(UIButton *)sender
{
NSLog(@"Dom解析");
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"Students" ofType:@"txt"];
NSData *data = [NSData dataWithContentsOfFile:filePath];
// 1.创建Dom解析工具对象
GdataxMLDocument *xmlDocument = [[GdataxMLDocument alloc] initWithData:data options:0 error:nil];
// 2.获取根节点
GdataxMLElement *rootElement = xmlDocument.rootElement;
NSLog(@"root = %@",rootElement);
// 6.创建存放model学生的数组
self.allStudentArray = [NSMutableArray array];
// 3.遍历根节点上的子节点
for (GdataxMLElement *subElement in rootElement.children) {
// 5.循环创建存放学生属性值的对象
Students *stu = [[Students alloc] init];
NSLog(@"子节点 = %@",subElement);
// 4.遍历子节点上的子节点
for (GdataxMLElement *ssubElement in subElement.children) {
// 7.kvc进行赋值
[stu setValue:ssubElement.stringValue forKey:ssubElement.name];
}
[self.allStudentArray addObject:stu];
[stu release];
}
// GdataxMLElement *twoElement = [rootElement.children objectAtIndex:1];
// NSLog(@"获取第二个子节点 = %@",twoElement);
for (Students *stu in self.allStudentArray) {
address);
}
}
#pragma mark json解析
- (IBAction)button2:(UIButton *)sender
{
NSLog(@"json");
// 1.找到文件路径
NSString *file = [[NSBundle mainBundle] pathForResource:@"Teachers副本" ofType:@"txt"];
NSData *data = [NSData dataWithContentsOfFile:file];
// 2.通过系统自带的json解析工具解析数据
NSMutableArray *array = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSLog(@"array = %@",array);
self.allStudentArray = [NSMutableArray array];
for (NSDictionary *dic in array) {
Students *stu = [[Students alloc] init];
[stu setValuesForKeysWithDictionary:dic];
[self.allStudentArray addObject:stu];
[stu release];
}
for (Students *stu in self.allStudentArray) {
NSLog(@"name = %@ number = %@ gender = %@ phone = %@",stu.gender,stu.phone);
}
// 用jsonkit工具解析json数据
NSMutableArray *array2 = [data objectFromJSONData];
NSLog(@"array2 = %@",array2);
}
@end
原文链接：https://www.f2er.com/xml/297199.html