xcode 如何解析响应 xml 字符串？
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How can I parse the response xml string?
提问by Le'Kirdok
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<VideoListResponse xmlns="http://tempuri.org/">
<VideoListResult>
{"List":[{"GUID":"127381638172638173","PageNumber":[2,1]}]}
</VideoListResult>
</VideoListResponse>
</soap:Body>
</soap:Envelope>
This is my response xml string. How can I parse the PageNumber from this xml string?
这是我的响应 xml 字符串。如何从这个 xml 字符串解析 PageNumber？
回答by Srikanth
This is a simple code fragment which you can use to expand
这是一个简单的代码片段，您可以使用它来扩展
ViewController.h file
视图控制器.h 文件
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController <NSXMLParserDelegate>
@property(retain,nonatomic)NSString *videoListResult;
@property(retain,nonatomic)NSString *currentElement;
@end
ViewController.m file
视图控制器.m 文件
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(void)viewDidAppear:(BOOL)animated{
[self parseXML];
}
-(void)parseXML{
NSString *xmlString = @"<?xml version=\"1.0\" encoding=\"utf-8\"?>\
<soap:Envelope xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\
<soap:Body>\
<VideoListResponse xmlns=\"http://tempuri.org/\">\
<VideoListResult>{\"List\":[{\"GUID\":\"127381638172638173\",\"PageNumber\":[2,1]}]}\
</VideoListResult>\
</VideoListResponse>\
</soap:Body>\
</soap:Envelope>";
NSData *xmlData = [xmlString dataUsingEncoding:NSASCIIStringEncoding];
NSXMLParser *xmlParser = [[NSXMLParser alloc] initWithData:xmlData];
[xmlParser setDelegate:self];
[xmlParser parse];
}
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{
NSLog(@"Element started %@",elementName);
self.currentElement=elementName;
}
-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{
NSLog(@"Element ended %@",elementName);
self.currentElement=@"";
}
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
if([self.currentElement isEqualToString:@"VideoListResult"]){
// NSLog(@"The characters are %@",string);
id data = [NSJSONSerialization JSONObjectWithData:[string dataUsingEncoding:NSASCIIStringEncoding] options:0 error:nil];
NSLog(@"The page numbers are %@",[[[data valueForKey:@"List"] objectAtIndex:0] valueForKey:@"PageNumber"]);
}
}
@end
回答by jfaller
You want to use LibXMLto parse the XML, and then you want to use SBJSONto parse the JSON contained in the VideoListResult.
您想使用LibXML来解析 XML，然后您想使用SBJSON来解析VideoListResult中包含的 JSON。
