我创建了一个存储来自SQLiteNSDictionary
的数据的应用程序。这从许多人那里获取自己的信息并存储在SQLite DB中。这是我的代码:NSDictionary
NSArray
- (void)viewDidLoad
{
[super viewDidLoad];
int number = [self GetNumberOfRecord]; //this method get number of rows in sqlite
NSArray *idd = @[@"122", @"234", @"453", @"53464", @"4565", @"1111", @"2222"];
NSArray *name = @[@"janatan", @"fred", @"john", @"cristiano", @"vein", @"emma", @"shyla"];
NSArray *age = @[@"23", @"35", @"12", @"24", @"22", @"34", @"56"];
NSArray *sex = @[@"male", @"male", @"male", @"male", @"male", @"famale", @"famale"];
NSString *query2 = [NSString stringWithFormat:@"select * from table1 where name = '%@'", [name lastObject]];
//NSLog(@"query : %@", query2);
BOOL recordExist = [self recordExistOrNot:query2];
if (!recordExist) {
for (int i = number; i < [idd count]; i++)
{
NSString *a = [idd objectAtIndex:i];
NSString *b = [name objectAtIndex:i];
NSString *c = [age objectAtIndex:i];
NSString *d = [sex objectAtIndex:i];
NSString *query = [NSString stringWithFormat:@"insert into table1 (id, name, age, sex) values ('%@', '%@', '%@', '%@')", a, b, c, d];
NSLog(@"%@", query);
[self executeQuery:query];
}
}
}
我想要两件事,但我没有找到任何关于它的东西。
第一:如果在上面的代码中,一两个名字发生了变化(例如NSArray
*name 是:
{@"janatan", @"louis", @"john", @"fredrick", @"vein", @"emma", @"shyla"}
我如何编辑我的表SQLite DB并替换louis
&fredrick
而不是fred
& cristiano
?)
第二:如果在上面的代码中删除了一个或两个名称(例如NSArray
*name 是:
{@"janatan", @"john", @"vein", @"emma", @"shyla"}
如何删除记录被删除的名称?)
多谢。