0
爲什麼它總是在db中生成0行。如果有新的記錄，那麼新的條目，但是當條目已經存在時，它應該更新，但只是它找到的那些。但我總是有0個條目，更新正在工作。我是否會誤解foor循環？我認爲它應該是這樣。更新是可能的，但總是包含0行 - 核心數據更新
for (int i=0;i<[rowCustomer count];i++)
{
// NSLog(@"row customer %@",rowProductItem);
if ([[rowCustomer objectAtIndex:i] isEqualToString:@""]) {
continue;
}
componentsCustomer= [[rowCustomer objectAtIndex:i] componentsSeparatedByString:@";"];
NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
[formatter setNumberStyle:NSNumberFormatterDecimalStyle];
int f = [[componentsCustomer objectAtIndex:0] intValue];
int f1 = [[componentsCustomer objectAtIndex:18] intValue];
int f2 = [[componentsCustomer objectAtIndex:3] intValue];
NSNumber *num1 = [NSNumber numberWithInt:f];
NSNumber *num2 = [NSNumber numberWithInt:f1];
NSNumber *num3 = [NSNumber numberWithInt:f2];
NSDateFormatter *dateFormater1 = [[NSDateFormatter alloc] init];
[dateFormater1 setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *dateFromString1 = [dateFormater1 dateFromString:[componentsCustomer objectAtIndex:1]];
NSDate *dateFromString2 = [dateFormater1 dateFromString:[componentsCustomer objectAtIndex:2]];
NSDateFormatter *dateFormater2 = [[NSDateFormatter alloc] init];
[dateFormater2 setDateFormat:@"yyyy-MM-dd"];
NSDate *dateFromString3 = [dateFormater1 dateFromString:[componentsCustomer objectAtIndex:7]];
Customer *newCustomer = [NSEntityDescription insertNewObjectForEntityForName:@"Customer" inManagedObjectContext:[self managedObjectContext]];
NSFetchRequest *fetchcustomer = [NSFetchRequest fetchRequestWithEntityName:@"Customer"];
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"(remoteID == %@) AND (lastedited < %@)",num1,dateFromString2];
[fetchcustomer setPredicate:predicate];
responseCustomer = [[[self managedObjectContext] executeFetchRequest:fetchcustomer error:&error] mutableCopy];
NSFetchRequest *fetchcustomer2 = [NSFetchRequest fetchRequestWithEntityName:@"Customer"];
NSPredicate *predicate2 = [NSPredicate predicateWithFormat:@"(remoteID == %@) AND (lastedited == %@)",num1,dateFromString2];
[fetchcustomer2 setPredicate:predicate2];
responseCustomer2 = [[[self managedObjectContext] executeFetchRequest:fetchcustomer2 error:&error] mutableCopy];
if (responseCustomer != nil && [responseCustomer count] > 0) {
if ([num2 intValue] > 1) {
[self.managedObjectContext deleteObject:[responseCustomer firstObject]];
[self saveContext];
} else {
anzahlCustomer = YES;
// Now we have the object that we're looking for, we can update it
[[responseCustomer firstObject] setValue:num1 forKey:@"remoteID"];
[[responseCustomer firstObject] setValue:dateFromString1 forKey:@"created"];
[[responseCustomer firstObject] setValue:dateFromString2 forKey:@"lastedited"];
[[responseCustomer firstObject] setValue:num3 forKey:@"aktiv"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:4] forKey:@"hofname"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:5] forKey:@"kundenland"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:6] forKey:@"anrede"];
[[responseCustomer firstObject] setValue:dateFromString3 forKey:@"birthday"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:8] forKey:@"cstreet"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:9] forKey:@"plz"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:10] forKey:@"place"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:11] forKey:@"latitude"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:12] forKey:@"longitude"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:13] forKey:@"phone"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:14] forKey:@"homepage"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:15] forKey:@"firstname"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:16] forKey:@"surname"];
[[responseCustomer firstObject] setValue:[componentsCustomer objectAtIndex:17] forKey:@"email"];
[[responseCustomer firstObject] setValue:num2 forKey:@"sync"];
[[responseCustomer firstObject] setValue:@"Leerfeld" forKey:@"leerfeld"];
[self saveContext];
}
} else if(responseCustomer2 != nil && [responseCustomer2 count] < 1) {
anzahlCustomer = YES;
newCustomer.remoteID = num1;
newCustomer.created = dateFromString1;
newCustomer.lastedited = dateFromString2;
newCustomer.aktiv = num3;
newCustomer.hofname = [componentsCustomer objectAtIndex:4];
newCustomer.kundenland = [componentsCustomer objectAtIndex:5];
newCustomer.anrede = [componentsCustomer objectAtIndex:6];
newCustomer.birthday = dateFromString3;
newCustomer.cstreet = [componentsCustomer objectAtIndex:8];
newCustomer.plz = [componentsCustomer objectAtIndex:9];
newCustomer.place = [componentsCustomer objectAtIndex:10];
newCustomer.latitude = [componentsCustomer objectAtIndex:11];
newCustomer.longitude = [componentsCustomer objectAtIndex:12];
newCustomer.phone = [componentsCustomer objectAtIndex:13];
newCustomer.homepage = [componentsCustomer objectAtIndex:14];
newCustomer.firstname = [componentsCustomer objectAtIndex:15];
newCustomer.surname = [componentsCustomer objectAtIndex:16];
newCustomer.email = [componentsCustomer objectAtIndex:17];
newCustomer.sync = num2;
newCustomer.leerfeld = @"leerfeld";
[self saveContext];
}
} // enf for loop