我必须在一个单一视图中解析两个 XML 文件,所以我使用两个 NSXMLParsers 来获取它。但他的问题是一个解析器正在被识别,而第二个解析器没有被识别......我的意思是在调试器通过这一行之后 [ parser1 parse] 它应该去代理 didStartElement、foundcharacters 和 didEndElement 但在我的情况下,调试器没有进入这些委托。它只是跳转到 [parser1 release] stmnt。所以这些委托没有被 parser1.Y 识别是吗所以 ?我写了这个:
NSXMLParser *parser = [[NSXMLParser alloc] initWithContentsOfURL:Url];
[parser setDelegate:self];
[parser setShouldProcessNamespaces:NO];
[parser setShouldReportNamespacePrefixes:NO];
[parser setShouldResolveExternalEntities:NO];
[parser parse];
[parser release];
NSXMLParser *parser1 = [[NSXMLParser alloc] initWithContentsOfURL:Url1];
[parser1 setDelegate:self];
[parser1 setShouldProcessNamespaces:NO];
[parser1 setShouldReportNamespacePrefixes:NO];
[parser1 setShouldResolveExternalEntities:NO];
[parser1 parse];
[parser1 release];
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
if([elementName isEqualToString:@"TimeList"])
{
arr1=[[NSMutableArray alloc] init];
drr1=[[NSMutableDictionary alloc] init];
}
if([elementName isEqualToString:@"Company"])
{
drr1=[[NSMutableDictionary alloc] init];
}
srr1=[[NSMutableString alloc] init];
}
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
[srr1 appendString:string];
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
if([elementName isEqualToString:@"ID"])
{
[drr1 setObject:srr1 forKey:@"ID"];
[srr1 release],srr1=nil;
return;
}
if([elementName isEqualToString:@"Company"])
{
[arr1 addObject:drr1];
}
if([elementName isEqualToString:@"TimeList"])
{
[drr1 release];
}
[srr1 release],srr1=nil;
}
- (void)parser1:(NSXMLParser *)parser1 didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
if([elementName isEqualToString:@"categorylist"])
{
arr2=[[NSMutableArray alloc] init];
drr2=[[NSMutableDictionary alloc] init];
}
if([elementName isEqualToString:@"lookup"])
{
drr2=[[NSMutableDictionary alloc] init];
}
srr2=[[NSMutableString alloc] init];
}
-(void)parser1:(NSXMLParser *)parser1 foundCharacters:(NSString *)string{
[srr2 appendString:string];
}
- (void)parser1:(NSXMLParser *)parser1 didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
if([elementName isEqualToString:@"Code"])
{
[drr2 setObject:srr2 forKey:@"Code"];
[srr2 release],srr2=nil;
return;
}
if([elementName isEqualToString:@"lookup"])
{
[arr2 addObject:drr2];
}
if([elementName isEqualToString:@"categorylist"])
{
[drr2 release];
}
[srr2 release],srr2=nil;
}
第一个解析器被识别并获取数据。但是对于第二个解析器 didStartElement 没有被识别......可能的原因是什么?