public static void Initialize(IServiceProvider serviceProvider)
{
using (var context = new PostgresSQLContext(
serviceProvider.GetRequiredService <DbContextOptions <PostgresSQLContext> >()))
{
// Look for any machines. note:DB has been seeded
if (context.Machines.Any())
{
return; // DB has been seeded
}
context.Machines.AddRange(
new Machine
{
Name = "Server 1",
IP = "172.0.0.1",
LoginID = "Allen",
Password = "******",
OS = "Windos",
HostIP = "192.168.0.1",
Description = "Server 1 Desc",
},
new Machine
{
Name = "Server 2",
IP = "172.0.0.2",
LoginID = "Rong",
Password = "******",
OS = "Linux",
HostIP = "192.168.0.1",
Description = "Server 2 Desc",
}
);
//insert to DB
context.SaveChanges();
}
}
public PermissionController(PostgresSQLContext context, ILogger <PermissionController> logger) : base(context, logger)
{
_context = context;
_logger = logger;
}
public BaseController(PostgresSQLContext context, ILogger <Controller> logger)
{
_context = context;
_logger = logger;
}
public AccountController(PostgresSQLContext context, IAuthenticationService authService, ILogger <AccountController> logger) : base(context, logger)
{
_authService = authService;
_context = context;
_logger = logger;
}
//建構函式會使用[相依性插入]將資料庫內容(PostgresSQLContext) 插入到控制器中。
//控制器中的每一個 CRUD 方法都會使用資料庫內容。
public HomeController(PostgresSQLContext context, ILogger <HomeController> logger) : base(context, logger)
{
_context = context;
_logger = logger;
}