public static void RunExternalCode(IHost host)
{
/* 启动时初始化数据库（如果需要） */
using (var scope = host.Services.CreateScope())
{
var services = scope.ServiceProvider;
var config = services.GetRequiredService <IConfiguration>();
bool needDbInit = Convert.ToBoolean(config.GetSection("InitTask")["NeedDbInit"]);
if (needDbInit)
{
ISqlSugarClient db = services.GetRequiredService <SqlSugarClient>();
DbSeed.InitTables(db);
}
}
}