public void Add(User user)
{
if (user == null)
{
return;
}
if (string.IsNullOrWhiteSpace(user.UserName) || string.IsNullOrWhiteSpace(user.PassWord))
{
throw new ArgumentNullException("名称或密码不能为空");
}
var olduser = _db.Users.SingleOrDefault(n => n.UserName == user.UserName);
if (olduser != null)
{
throw new ArgumentNullException("该用户名已经存在");
}
;
user.PassWord = Encrypt.GetMd5Code(user.PassWord);
_db.Users.Add(user);
_db.SaveChanges();
}
public void DataBaseInit()
{
using (var db = new XNDb())
{
if (db.Users.FirstOrDefault(n => n.UserName == "Admin") == null)
{
db.Users.Add(new User()
{
UserName = "******",
Description = "管理员",
PassWord = Encrypt.GetMd5Code("admin"),
});
db.SaveChanges();
}
}
}
public void Add(Product product)
{
if (product == null)
{
return;
}
var olduser = _db.Products.SingleOrDefault(n => n.ProductName == product.ProductName);
if (olduser != null)
{
throw new ArgumentNullException("该产品已经存在");
}
_db.Products.Add(product);
_db.SaveChanges();
}