Objective c 我得到了XML数据，现在我如何在Objective C中保存XML数据？

作为Xcode 7中iOS开发的新版本。 下面我有一些问题，请澄清我的疑问

我需要存储URL中的XML数据 并将XML数据拆分为每行，并将其存储在Objective C中

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当我开始学习XML解析时，它有一些基本的步骤。我为您实现所有这些

在ViewController.h中

步骤1：添加委托类

现在看来

#import <UIKit/UIKit.h>
@interface ViewController : UIViewController<NSXMLParserDelegate>
{
  NSXMLParser *parser;
  NSMutableData *ReceviedData;
  NSMutableString *currentStringValue;
  NSMutableArray *arrayID;
}
@end

第4步-在viewDidLoad中创建连接

现在，viewDidLoad方法是

- (void)viewDidLoad
{
  [super viewDidLoad];
  // Do any additional setup after loading the view from its nib.
   arrayID = [[NSMutableArray alloc]init];
   [self createConnection:@"http://www.google.com"]; //give your valid url.
}    

-(void)createConnection:(NSString *)urlString
{
     NSURL *url = [NSURL URLWithString:urlString];

    // Step 5 - parser delegate methods are using NSURLConnectionDelegate class or not.
    BOOL success;
    if (!parser)
    {
      parser = [[NSXMLParser alloc] initWithContentsOfURL:url];
      parser.delegate = self;
      parser.shouldResolveExternalEntities = YES;
      success = [parser parse];
      NSLog(@"Success : %c",success);
    }
}

createConnection方法是

- (void)viewDidLoad
{
  [super viewDidLoad];
  // Do any additional setup after loading the view from its nib.
   arrayID = [[NSMutableArray alloc]init];
   [self createConnection:@"http://www.google.com"]; //give your valid url.
}    

-(void)createConnection:(NSString *)urlString
{
     NSURL *url = [NSURL URLWithString:urlString];

    // Step 5 - parser delegate methods are using NSURLConnectionDelegate class or not.
    BOOL success;
    if (!parser)
    {
      parser = [[NSXMLParser alloc] initWithContentsOfURL:url];
      parser.delegate = self;
      parser.shouldResolveExternalEntities = YES;
      success = [parser parse];
      NSLog(@"Success : %c",success);
    }
}

步骤6-NSXMLParserDlegate方法如下

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从上面的代码中，我只检查ID。根据您的回答，您需要比较其他键，如EstablishmentType、EstablishmentName、BusinessName、OpenTime……

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- (void)viewDidLoad
{
  [super viewDidLoad];
  // Do any additional setup after loading the view from its nib.
   arrayID = [[NSMutableArray alloc]init];
   [self createConnection:@"http://www.google.com"]; //give your valid url.
}    

-(void)createConnection:(NSString *)urlString
{
     NSURL *url = [NSURL URLWithString:urlString];

    // Step 5 - parser delegate methods are using NSURLConnectionDelegate class or not.
    BOOL success;
    if (!parser)
    {
      parser = [[NSXMLParser alloc] initWithContentsOfURL:url];
      parser.delegate = self;
      parser.shouldResolveExternalEntities = YES;
      success = [parser parse];
      NSLog(@"Success : %c",success);
    }
}

-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
    NSLog(@"Current Element Name : %@",elementName);
    if ([elementName isEqualToString:@"ID"])  //according to your xml response your id is Es_Id.So you need to compare @"Es_Id"
    {
         NSLog(@"The Result is==%@",elementName);
    }
}

-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
    currentStringValue = [[NSMutableString alloc] initWithString:string];
    NSLog(@"Current String Value : %@",currentStringValue);
}

-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
    if ([elementName isEqualToString:@"ID"]) //according to your xml response your id is Es_Id.So you need to compare @"Es_Id"
    {
       [arrayResult addObject:currentStringValue];
    }
       currentStringValue = nil;
}