private static int InsertData <T, TKey>(LaGouContext dbContext, Func <LaGouContext, DbSet <T> > dbSetSelector, ICollection <T> data, Expression <Func <T, TKey> > keySelector) where T : class
{
if (data.Count == 0)
{
return(0);
}
var dbSet = dbSetSelector(dbContext);
var keyHashSet = dbSet.Select(keySelector).ToHashSet();
var keyFunc = keySelector.Compile();
var newData = data.Where(p => !keyHashSet.Contains(keyFunc(p)));
if (!newData.Any())
{
return(0);
}
dbSet.AddRange(newData);
int insertCount = 0;
try
{
insertCount = dbContext.SaveChanges();
}
catch (Exception ex)
{
ShowLogException(ex);
}
return(insertCount);
}
private static int InsertData <T>(LaGouContext dbContext, Func <LaGouContext, DbSet <T> > dbSetSelector, ICollection <T> data) where T : class
{
var dbSet = dbSetSelector(dbContext);
dbSet.AddRange(data);
int insertCount = 0;
try
{
insertCount = dbContext.SaveChanges();
}
catch (Exception ex)
{
ShowLogError(ex.Message);
}
return(insertCount);
}