xml json 解析

来源：互联网发布：java类加载器编辑：程序博客网时间：2024/05/22 11:32

// xmlController.m

// XML

// Created by 0卜7r从l on 13-11-26.

#import "xmlController.h"

@interface xmlController ()

@end

@implementation xmlController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewDidLoad

{

[super viewDidLoad];

self.stuMuArray=[[NSMutableArray alloc]init];

[_stuMuArray release];

// Do any additional setup after loading the view from its nib.

}

- (void)didReceiveMemoryWarning

{

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (void)dealloc {

[_stuMuArray release];

[_xmlSystem release];

[_Dom release];

[_json release];

[_jsonkit release];

[super dealloc];

}

//jsonkit 解析

- (IBAction)jsonKit:(id)sender {

//获取路径

NSString* path=[[NSBundle mainBundle]pathForResource:@"student.json" ofType:Nil];

NSData *data=[NSData dataWithContentsOfFile:path];

NSArray* array=[data objectFromJSONData];

[array JSONData];

}

- (IBAction)xmlSystemAction:(id)sender {

//获取路径

NSString* path=[[NSBundle mainBundle]pathForResource:@"Student.xml" ofType:Nil];

NSData *data=[NSData dataWithContentsOfFile:path];

NSXMLParser *parser=[[NSXMLParser alloc]initWithData:data];

parser.delegate=self;

[parser parse];

}

/**

* 解析器找到开始标签

* @param parser 解析器对象

* @param elementName 标签名字

* @param namespaceURI 命名空间

* @param qName 添了前缀的标签

* @param attributeDict 属性

- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{

NSLog(@"~|~~~%@",elementName);

}

//找到结束点

- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{

NSLog(@"~?~~~%@",elementName);

}

//取值

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{

NSLog(@"~value~~~%@",string);

}

//dom解析

- (IBAction)DomAction:(id)sender {

//获取路径

NSString* path=[[NSBundle mainBundle]pathForResource:@"Student.xml" ofType:Nil];

NSData *data=[NSData dataWithContentsOfFile:path];

GDataXMLDocument *xmlData=[[GDataXMLDocument alloc]initWithData:data options:0 error:Nil];

GDataXMLElement *root=[xmlData rootElement];

NSLog(@"~~~~~~%@",root);

//找到某个节点下得所有某个子节点

NSArray * stuArray=[root elementsForName:@"student"];

NSLog(@"!!!!!%@",stuArray);

for (GDataXMLElement *dic in stuArray) {

Student *stu=[[Student alloc]init];

//取属性

GDataXMLNode *node=[dic attributeForName:@"type"];

NSString* value1=[node stringValue];

NSLog(@"~~~~~~~~~~~~~~%@",value1);

NSArray *names=[dic elementsForName:@"name"];

GDataXMLElement *name=[names objectAtIndex:0];

NSArray *sexs=[dic elementsForName:@"sex"];

GDataXMLElement *sex=[sexs objectAtIndex:0];

NSArray *numbers=[dic elementsForName:@"number"];

GDataXMLElement *number=[numbers objectAtIndex:0];

stu.name=name.stringValue;

stu.sex=sex.stringValue;

stu.number=[number.stringValue intValue];

[self.stuMuArray addObject:stu];

[stu release];

}

//xpath

NSArray *nameArray=[root nodesForXPath:@"//name" error:Nil];

NSLog(@"***************======%@",nameArray);

//打印stu数组

for (Student *stu in _stuMuArray) {

NSLog(@"数组::::%@",stu.name);

}

//解析json

- (IBAction)jsonAction:(id)sender {

//获取路径

NSString* path=[[NSBundle mainBundle]pathForResource:@"student.json" ofType:Nil];

NSData *data=[NSData dataWithContentsOfFile:path];

NSArray *array=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:Nil];

//id 转json

NSData *dataJson=[NSJSONSerialization dataWithJSONObject:array options:NSJSONWritingPrettyPrinted error:Nil];

NSLog(@"%@",array);

}

@end

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