Question

我无法创建一种方法来为数据库创建广告和envialo。错误是“setValue：forUndefinedKey：]：此类不是密钥值编码兼容的关键adDescription。”“这只有在重定向我宣布注册视图时才会发生

这是观点记录：

#import "AddAdViewController.h"
#import "Ads.h"
#import "JVWebService.h"
#import "AppDelegate.h"
#import "JVUtils.h"
#import "AdsTableViewController.h"


@interface AddAdViewController () <JVWebServiceDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate, UIPickerViewDelegate>

@property (nonatomic) BOOL show;

@property (strong, nonatomic) UITextField *currentTextField;
@end

@implementation AddAdViewController

- (void)viewDidLoad {
    [super viewDidLoad];

}


- (IBAction)addAd:(id)sender {


    if (self.adTitleField.text.length <= 0) {
        [JVUtils showMessage:@"Você precisa nos informar seu nome completo." withTitle:@"Opa!"];
    } else if (self.adPriceField.text.length <= 0) {
        [JVUtils showMessage:@"Você precisa nos informar um e-mail para contato." withTitle:@"Opa!"];
    } else if (self.adLocalField.text.length <= 0) {
        [JVUtils showMessage:@"Você precisa criar uma senha para a sua conta." withTitle:@"Opa!"];
    } else if (self.adDescriptionField.text.length <= 0) {
        [JVUtils showMessage:@"Você precisa confirmar sua senha." withTitle:@"Opa!"];
    }  else {
            Ads *newAd = [Ads new];
            newAd.title = self.adTitleField.text;
            newAd.price = self.adPriceField.text;
            newAd.local = self.adLocalField.text;
            newAd.description = self.adDescriptionField.text;


            [[JVWebService sharedService] setServiceDelegate:self];
            [[JVWebService sharedService] postAd:newAd];

        }

}


#pragma mark - Bar Button Action

- (void)cancelButtonAction {
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark - JVWebService Delegate

- (void)successfulRequestDidReturnObject:(NSObject *)object {

    [JVUtils showMessage:@"Agora você tem uma conta JáVendi! Faça o login e desfrute ao máximo do aplicativo." withTitle:@"Parabéns!"];

    [[AppDelegate sharedDelegate] setCurrentUser:(User *)object];

    [self dismissViewControllerAnimated:YES completion:nil];


    AdsTableViewController *svc = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateViewControllerWithIdentifier:@"LoginViewController"];

    [self.navigationController presentViewController:[[UINavigationController alloc] initWithRootViewController:svc]
                                            animated:YES
                                          completion:nil];




}

- (void)requestDidFailWithError:(NSError *)error {

    [JVUtils showMessage:error.localizedDescription withTitle:@"Erro"];
}




@end

Answer 1

此错误表示您尝试在没有adDescription属性的对象上设置名为“adDescription”的属性。我没有看到你直接引用这个变量，所以它可能会在你的一个setter中设置，特别是你制作广告的地方，或者这一行

[[AppDelegate sharedDelegate] setCurrentUser:(User *)object];

setValue：forUndefinedKey：]：此类不是键值adDescription的键值编码兼容。＆＃39;

1 个答案: