我正在尝试使用Web服务,但是当元素名称更改时,请更改所有其他
...-(void)callWebService {
_estacionamentoAdd = [[Estacionamento alloc]init];
NSString *url = @"http://urlfromws";
NSMutableURLRequest *request =[[[NSMutableURLRequest alloc] init] autorelease];
[request setURL:[NSURL URLWithString:url]];
[request setHTTPMethod:@"GET"];
NSURLConnection *conn=[[NSURLConnection alloc] initWithRequest:request delegate:self];
if (conn) {
webData = [[NSMutableData data] retain];
}
else
{
}
}
获取响应值时
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
if(!soapResults)
{
soapResults = [[NSMutableString alloc] init];
}
NSLog(@"stringFound:%@", string);
[soapResults setString:string];
}
接收响应时
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
if(!soapResults)
{
soapResults = [[NSMutableString alloc] init];
}
if( [elementName isEqualToString:@"id"])
{
id = [soapResults intValue];
}
else if( [elementName isEqualToString:@"name"])
{
name = soapResults;
}
else if( [elementName isEqualToString:@"adress"])
{
adress = soapResults;
}
[soapResults setString:@""];
}
当元素名称为"名称或地址"时,ID 和名称等于地址
当元素名称为 id...id = soapResults。好的,但是当元素名称是地址时,地址= soap结果和id也会改变。为什么?
我只看到名称和地址将始终是@"并且相同。
例如
...
name = soapResults; //NOT copied.. name and soapResults are the same object
...
[soapResults setString:@""]; //affects name too, as they are the same
地址相同,但 id 不相同,因为这是一个整数,而不是一个对象
名称 = 地址 = 肥皂结果...
您可能需要复制该值
name = [soapResults description];
...
address = [soapResults description];
其他问题:
不要在 foundCharacter 中使用 [soapResults setString:newString],使用 appendString (foundCharacter 被调用 n 次)
我解决了我的问题:
始终释放 NSMutableString
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
if(soapResults) {
[soapResults release];
soapResults = nil;
}
soapResults = [[NSMutableString alloc] init];
NSLog(@"stringFound:%@", string);
[soapResults appendString:string];
}