将字符串更改为整数iphone

Question

在这段代码中，我想将创建的字符串更改为整数，并希望将其用于进一步处理。我怎样才能做到这一点？ 这里的recordId是EquoToString：@“1”，我想把这个字符串“1”改成整数然后想用它

-(void) parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName
   namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{

    if (foundRecordId) {
        NSLog(@"didEndElement: %@", recordId);     
    }

    if ([recordId isEqualToString:@"1"]) {

        NSLog(@"Only 1 account");

        MainScreenController *mainScreen1 = [[MainScreenController alloc] initWithNibName:@"MainScreen" bundle:nil ];

        self.mainScreen = mainScreen1;

        [self.view addSubview: mainScreen1.view];        
    }

    else if ([recordId isEqualToString:@"0"]){

        NSLog(@"Accounts more than 1");

        ChooseAccountsController *chooseAccount = [[ChooseAccountsController alloc] initWithNibName:@"ChooseAccountsController" bundle:nil];
        self.chooseAcc = chooseAccount;
        [self.view addSubview:chooseAccount.view];      
    }

}

Answer 1

你不需要这样做。只需使用NSString's intValue消息。

您的代码将类似于：

if ([recordId intValue] == 1]) {
    // do what you need when 1
} else if ([recordId intValue] == 0) {
    // do what you need when 0
}

Answer 2

[recordId intValue];

试试这个。