设置委托时ASIHTTPRequest崩溃了吗？

Question

这可能是一个简单的问题,但我现在已经盯着这一段时间,我找不到它!

我有一个SOAPRequest类,如下所示:

@interface SoapRequest : NSObject

@property (retain, nonatomic) NSURL *endPoint;
@property (retain, nonatomic) NSString *soapAction;
@property (retain, nonatomic) NSString *userName;
@property (retain, nonatomic) NSString *passWord;
@property (retain, nonatomic) NSString *postData;
@property (retain, nonatomic) NSObject *handler;
@property SEL action;

+ (SoapRequest*) create: (NSObject*) target endPoint: (NSString*) endPoint action: (SEL) action soapAction: (NSString*) soapAction postData: (NSString*) postData;

- (id)sendSynchronous;
- (void) send;

@end

实施如下:

@synthesize endPoint = _endPoint, soapAction = _soapAction, userName = _userName, passWord = _passWord, postData = _postData, action = _action, handler = _handler;

+ (SoapRequest*) create: (NSObject*) target endPoint: (NSString*) endPoint action: (SEL) action soapAction: (NSString*) soapAction postData: (NSString*) postData
{
    SoapRequest *request = [[SoapRequest alloc] init];
    request.endPoint = [NSURL URLWithString:endPoint];
    request.soapAction = soapAction;
    request.handler = target;
    request.action = action;
    request.postData = postData;

    return [request autorelease];
}

我的发送功能:

- (void) send
{
    ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:self.endPoint];
    [request setDelegate:self];

    [request addRequestHeader:@"Content-Length" value: [NSString stringWithFormat:@"%d",[self.postData length]]];
    [request addRequestHeader:@"Content-Type" value:@"text/xml"];

    if(self.soapAction)
    {
        [request addRequestHeader:@"soapAction" value:self.soapAction];
    }

    [request appendPostData:[self.postData dataUsingEncoding:NSUTF8StringEncoding]];
    [request startAsynchronous];
}

我确实有默认的ASIHTTPRequest方法来监听错误或完成,我的完成看起来如下:

- (void)requestFinished:(ASIHTTPRequest *)request
{
    [self.handler performSelector:self.action];
}

情况是,当我想让这个类成为ASIHTTPRequest的委托时,它会崩溃,[请求setDelegate:self].我认为它与第一个函数中的Autoreleasing有关.但我不知道如何解决它!

编辑:

这是我初始化SoapRequest的方式:

- (SoapRequest*) DefinedEntities: (id) _target action: (SEL) _action
{

// some data inits

    SoapRequest *request = [SoapRequest create: _target endPoint:endPoint action:_action soapAction:soapAction postData:xmlString];
    [request send];

    return request;
}

这我初衷如下:

Metadata *service = [[Metadata alloc] init];
[service DefinedEntities:self action:@selector(MetadataFinished:)];

Answer 1

有像你这样的问题.问题是,它在调用委托方法之前被释放.只需retain在启动方法和release完成的方法中添加一个(并且不要忘记在错误方法中释放它).只要请求正在执行,这将使对象处于生命中.