iphone解析XML文件
//初始化工作
- (void)Down
{
NSURL* url = [NSURL URLWithString:@"http://192.168.67.3:8080/movie/movie.xml"];
NSURLRequest* request = [[NSURLRequest alloc]initWithURL:url];
NSURLConnection* connection = [[NSURLConnection alloc]initWithRequest:request
delegate:self];
NSLog(@"--------------------dow");
[connection release];
[request release];
}
//从网络上下载的数据,直到数据全部下载完成 通过data获得请求后，返回的数据，数据类型NSData
- (void)connection:(NSURLConnection *)connection
didReceiveData:(NSMutableData *)data
{
NSLog(@"-------------------connect");
[buffer appendData:data];
}
//http交互正常，完成。数据请求完毕，这个时候，用法是多线程的时候，通过这个通知，关部子线程
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSLog(@"-------------------connect2");
//[[NSFileManager defaultManager]createFileAtPath:@"/tmp/movie.txt" contents:buffer attributes:nil];
[self PraxMovie:buffer];
//[[NSFileManager defaultManager]createFileAtPath:@"/tmp/movie.xml" contents:buffer attributes:nil];
}
//网络连接不成功，出现异常。
- (void)connection:(NSURLConnection *)connection
didFailWithError:(NSError *)error
{
NSLog(@"-------------------error");
UIAlertView *errorAlert = [[UIAlertView alloc]
initWithTitle: [error localizedDescription]
message: [error localizedFailureReason]
delegate:nil
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[errorAlert show];
[errorAlert release];
}
- (void)PraxMovie:(NSData*)_data
{
NSLog(@"-------------------praxmovie");
//NSData* xmlData = [NSData dataWithContentsOfFile:@"/tmp/movie.xml"];
NSXMLParser* parser = [[NSXMLParser alloc]initWithData:_data];
parser.delegate = self;
[parser parse];
}
//文档处理方法 开始解析前，在这里可以做一些初始化工作
- (void)parserDidStartDocument:(NSXMLParser *)parser
{
NSLog(@"-------------------parserDidStartDocument");
[xmlMovielist.moviearray removeAllObjects];
[tempString setString:@""];
}
//当解析器对象遇到xml的开始标记时，调用这个方法。
//获得结点头的值
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI
qualifiedName:(NSString *)qualifiedName
attributes:(NSDictionary *)attributeDict
{
NSLog(@"-------------------parser");
if([elementName isEqualToString:@"Movie"])
{
self.newwMovie = nil;
self.newwMovie= [[Movie alloc] init];
[tempString setString:@""];
}
else
{
[tempString setString:@""];
}
}
//当解析器找到开始标记和结束标记之间的字符时，调用这个方法。
//解析器，从两个结点之间读取具体内容
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
NSLog(@"-------------------parseraaaaaa");
if(![string isEqualToString:@""])
{
[tempString appendString:string];
}
}
//当解析器对象遇到xml的结束标记时，调用这个方法。
//获取结点结尾的值，此处为一Tag的完成
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
NSLog(@"-------------------hehe");
if([elementName isEqualToString:@"Movie"])
{
[self.xmlMovielist Addmovie:self.newwMovie];
}
else if([elementName isEqualToString:@"title"])
{
self.newwMovie.title =[NSString stringWithString:tempString];
}
else if([elementName isEqualToString:@"box"])
{
int temp = [[NSString stringWithString:tempString]intValue];
self.newwMovie.boxOfficeGross = [NSNumber numberWithInt:temp];
}
else if([elementName isEqualToString:@"summary"])
{
self.newwMovie.summary =[NSString stringWithString:tempString];
}
}
//xml解析结束后的一些操作可在此
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
for (id tmp in self.xmlMovielist.moviearray)
{
NSLog(@"tmp = %@",tmp);
}
//self.newwMovie = nil;
//self.tempString = nil;
//[newMovie release];
//[tempString release];
}
- (void)dealloc
{
[xmlMovielist release];
[tempString release];
[NSMutableData release];
[super dealloc];
}