IOS learning and ios learning routes

IOS learning and ios learning routes

Preparations:

New-> file-> other-> Empty. In Save As:, you can specify the name suffix As. xml.

Copy below

<Person> <student> <pid> 1001 </pid> <name> James </name> <sex> male </sex> <age> 12 </age> </ student> </person>

Complete code

/// ViewController. m // XML // Created by CC on 16/8/29. // Copyright©2016 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];} // triggered at the beginning of the document. Only one-(void) parserDidStartDocument :( NSXMLParser *) parser {NSLog (@ "parsetStart ");} // trigger when a document error occurs-(void) parser :( NSXMLParser *) parser parseerroccurred :( NSError *) parseError {if (parseError) {NSLog (@ "parseError: % @", parseError) ;}}// trigger upon occurrence of a string-(void) parser :( NSXMLParser *) parser foundCharacters :( NSString *) string {NSLog (@ "00000000 ----- % @", string);} // when a start tag is triggered-(void) parser :( NSXMLParser *) parser didStartElement :( NSString *) elementName namespaceURI :( NSString *) namespaceURI qualifiedName :( NSString *) qName attributes :( NSDictionary <NSString *, NSString *> *) attributeDict {NSLog (@ "arrributeDict --- % @", attributeDict);} // triggered when an end tag is encountered-(void) parser :( NSXMLParser *) parser didEndElement :( NSString *) elementName namespaceURI :( NSString *) namespaceURI qualifiedName :( NSString *) qName {NSLog (@ "didEndElement ----- % @", elementName );} // triggered when the document ends-(void) parserDidEndDocument :( NSXMLParser *) parser {NSLog (@ "DidEndDocument");}-(void) didreceivemorywarning {[super didreceivemorywarning]; // Dispose of any resources that can be recreated .} @ end