我的解析xml正在工作，但我想拿起一个值，实际上我的解析器在NSDictionnary中读取和写入它们
让我告诉你
我正在谈论的xml：XML
正如你所看到的，主标签是“marche”，有7个标签“echeance”。在每个标签中，我们有10个最后日期，每个“日期”包含几个值。
实际上，我想获得这些值，只有那些值：
这就是我得到的结果：
2012-03-02 20:04:08.576 XML[4497:f803] stories :(
{
echeance = "Mars 2012\n ";
settle = "205.25\n 205.5\n 206\n 205\n 202.75\n 204\n 204.75\n 206.5\n 206.25\n 210\n ";
variation = "-0.25\n \n -0.5\n \n 1\n \n 2.25\n \n -1.25\n \n -0.75\n \n -1.75\n \n 0.25\n \n -3.75\n \n 1.5\n \n ";
},
{
echeance = "Juin 2012\n ";
settle = "207.75\n 207.5\n 207.25\n 206\n 204.75\n 205.5\n 206.25\n 207.25\n 206.5\n 210.5\n ";
variation = "0.25\n \n 0.25\n \n 1.25\n \n 1.25\n \n -0.75\n \n -0.75\n \n -1\n \n 0.75\n \n -4\n \n 0.75\n \n ";
},
{
echeance = "Ao\U00fbt 2012\n ";
settle = "209.75\n 209.25\n 208.5\n 207.25\n 205.75\n 207.25\n 207.75\n 208.75\n 208.5\n 211.75\n ";
variation = "0.5\n \n 0.75\n \n 1.25\n \n 1.5\n \n -1.5\n \n -0.5\n \n -1\n \n 0.25\n \n -3.25\n \n 0.25\n \n ";
},
{
echeance = "Novembre 2012\n ";
settle = "188.25\n 188\n 186.75\n 186.25\n 184.75\n 184.75\n 186.5\n 186\n 185\n 188.5\n ";
variation = "0.25\n \n 1.25\n \n 0.5\n \n 1.5\n \n 0\n \n -1.75\n \n 0.5\n \n 1\n \n -3.5\n \n 1\n \n ";
},
{
echeance = "Janvier 2013\n ";
settle = "189.75\n 189\n 189.5\n 188.75\n 187.25\n 187.25\n 188.5\n 188.5\n 187.5\n 190\n ";
variation = "0.75\n \n -0.5\n \n 0.75\n \n 1.5\n \n 0\n \n -1.25\n \n 0\n \n 1\n \n -2.5\n \n 0\n \n ";
},
{
echeance = "Mars 2013\n ";
settle = "191\n 191\n 191.5\n 190.75\n 189.25\n 189.25\n 190.5\n 190.5\n 189.5\n 192\n ";
variation = "0\n \n -0.5\n \n 0.75\n \n 1.5\n \n 0\n \n -1.25\n \n 0\n \n 1\n \n -2.5\n \n 1\n \n ";
},
{
echeance = "Juin 2013\n ";
settle = "194.5\n 194.5\n 195.5\n 194.75\n 193.25\n 193.25\n 194.5\n 194.5\n 193.5\n 196\n ";
variation = "0\n \n -1\n \n 0.75\n \n 1.5\n \n 0\n \n -1.25\n \n 0\n \n 1\n \n -2.5\n \n 3\n \n ";
}
）
正如你所看到的，我有一个美丽的NSDictionnary“故事”，每个“nom”为“echeance BUT for”和解“和变异”，我有每个“echeance”的所有日期的值，而不仅仅是最近。
如果我的解析器可以工作，我应该有类似的东西：
2012-03-02 20:04:08.576 XML[4497:f803] stories :(
{
echeance = "Mars 2012";
settle = "205.25"
variation = "-0.25"
},
{
echeance = "Juin 2012";
settle = "207.75"
variation = "0.25"
.....
.....
.....
ETC ......
这是我的代码：
我的.m型号：
#import "XMLParser.h"
@implementation XMLParser
@synthesize stories;
@synthesize delegate;
- (void)parseXMLAtURL:(NSURL*)path
{
stories = [[NSMutableArray alloc] init];
textParser = [[NSXMLParser alloc] initWithContentsOfURL:path];
[textParser setDelegate:self];
[textParser parse];
}
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
}
- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
{
NSString * errorString = [NSString stringWithFormat:@"Impossible de parser le document (Code erreur %i )", [parseError code]];
NSLog(@"erreur de parsing XML: %@", errorString);
UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:@"Erreur lors du chargement" message:errorString delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
[errorAlert show];
[errorAlert release];
}
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
if(currentElement)
{
[currentElement release];
currentElement = nil;
}
currentElement = [elementName copy];
if ([elementName isEqualToString:kExpiry])
{
if(item)
{
[item release];
item = nil;
}
if(currentExpiry)
{
[currentExpiry release];
currentExpiry = nil;
}
if(currentSettle)
{
[currentSettle release];
currentSettle = nil;
}
if(currentVariation)
{
[currentVariation release];
currentVariation = nil;
}
item = [[NSMutableDictionary alloc] init];
currentVariation = [[NSMutableString alloc] init];
currentSettle = [[NSMutableString alloc] init];
currentExpiry = [[NSMutableString alloc] initWithFormat:[attributeDict objectForKey:@"nom"]];
}
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
if ([elementName isEqualToString:kExpiry])
{
[item setObject:currentExpiry forKey:kExpiry];
[item setObject:currentSettle forKey:kCloture];
[item setObject:currentVariation forKey:kChange];
[stories addObject:item];
}
//NSLog(@"compteur : %i",compteur);
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
// on sauve les éléments de l' echeancepour l'item en cours
if ([currentElement isEqualToString:kCloture])
[currentSettle appendString:string];
else if ([currentElement isEqualToString:kExpiry])
[currentExpiry appendString:string];
else if ([currentElement isEqualToString:kChange])
[currentVariation appendString:string];
}
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
NSLog(@"C’est fini !");
NSLog(@"stories a %d echeances", [stories count]);
NSLog(@"stories :%@", stories);
[self performSelectorOnMainThread:@selector(tellTheDelegateItIsFinished) withObject:nil waitUntilDone:NO];
}
- (void) tellTheDelegateItIsFinished {
[delegate xmlParserdidFinishParsing];
}
- (void) dealloc
{
[stories release];
[textParser release];
[item release];
[currentVariation release];
[currentExpiry release];
[currentSettle release];
[super dealloc];
}
@end
我想我需要“计算”并只选择我需要的值，但它不起作用
我遇到的另一个问题是“\ n”。我无法避免那些“\ n”:(但主要的问题是拿起“好的价值观”;）
全部谢谢
答案 0 :(得分：0)
在我看来，问题可能是您没有在didEndElement实现中停止解析。您有一行if ([elementName isEqualToString:kExpiry])，这就是为什么您只能获得一个日期。但你不要为“定居”和“变异”这样做，所以你得到了所有这些。您将它们添加到字典中，然后将字典添加到数组中，但这些只是指针，因此数据不断进入并且不断添加到数组中 - 在数组内的字典内。