/// <summary>
/// 获取参数值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="p_paramID"></param>
/// <returns></returns>
public static async Task <T> GetParam <T>(string p_paramID)
{
await InitParams();
var row = AtState.First($"select val from UserParams where id='{p_paramID}'");
Throw.IfNull(row, $"无参数【{p_paramID}】");
string val = row.Str(0);
if (string.IsNullOrEmpty(val))
{
return(default);
/// <summary>
/// 系统初始化
/// </summary>
/// <param name="p_stub">系统存根</param>
/// <param name="p_callback"></param>
internal static void Startup(IStub p_stub, ICallback p_callback)
{
Stub = p_stub;
Callback = p_callback;
if (Stub.SerializeTypes != null)
{
SerializeTypeAlias.Merge(Stub.SerializeTypes);
}
var app = Application.Current;
app.Suspending += OnSuspending;
app.Resuming += OnResuming;
// 异常处理
#if UWP
app.UnhandledException += OnUwpUnhandledException;
#elif ANDROID
Android.Runtime.AndroidEnvironment.UnhandledExceptionRaiser += OnAndroidUnhandledException;
#elif IOS
// 在iOS项目的Main函数处理
#elif WASM
//TaskScheduler.UnobservedTaskException += (s, e) => OnUnhandledException(e.Exception);
AppDomain.CurrentDomain.UnhandledException += (s, e) => OnUnhandledException(e.ExceptionObject as Exception);
#endif
// 创建本地文件存放目录
if (!Directory.Exists(CachePath))
{
Directory.CreateDirectory(CachePath);
}
if (!Directory.Exists(DataPath))
{
Directory.CreateDirectory(DataPath);
}
#if WASM
// .net5.0 只能引用 SQLite3Provider_sqlite3，DllImport("sqlite3")
// 默认为 SQLite3Provider_e_sqlite3 引用时出错！
SQLitePCL.raw.SetProvider(new SQLitePCL.SQLite3Provider_sqlite3());
#else
// 初始化不同平台的包绑定！V2支持类型和属性的绑定
// 内部调用 SQLitePCL.raw.SetProvider(new SQLitePCL.SQLite3Provider_e_sqlite3());
SQLitePCL.Batteries_V2.Init();
#endif
// 打开状态库
AtState.OpenDb();
}
/// <summary>
/// 输出并保存客户端日志
/// </summary>
/// <param name="p_level"></param>
/// <param name="p_msg"></param>
/// <param name="p_ex"></param>
static void OutputAndSave(LogEventLevel p_level, string p_msg, Exception p_ex)
{
string msg = p_msg == null ? "" : p_msg + "\r\n";
if (p_ex != null)
{
msg += p_ex.Message;
}
#if UWP
System.Diagnostics.Debug.WriteLine(msg);
#else
Console.Error.WriteLine(msg);
#endif
ClientLog log = new ClientLog(
Level: p_level,
Content: msg,
Ctime: DateTime.Now);
_ = AtState.Save(log, false);
}
static void UpdateDataVersion(string p_ver)
{
if (!string.IsNullOrEmpty(p_ver))
{
var ls = p_ver.Split(',');
var tbl = AtState.Query("select id,ver from DataVersion");
if (tbl != null && tbl.Count > 0)
{
foreach (var row in tbl)
{
if (!ls.Contains($"{row[0]}+{row[1]}"))
{
// 删除版本号，未实际删除缓存数据，待下次用到时获取新数据！
AtState.Exec($"delete from DataVersion where id='{row.Str(0)}'");
}
}
}
}
else
{
// 所有缓存数据失效
AtState.Exec("delete from DataVersion");
}
}
/// <summary>
/// 判断当前登录用户是否具有指定权限
/// </summary>
/// <param name="p_id">权限ID</param>
/// <returns>true 表示有权限</returns>
public static async Task <bool> HasPrv(string p_id)
{
int cnt = AtState.GetScalar <int>("select count(*) from DataVersion where id='privilege'");
if (cnt == 0)
{
// 查询服务端
Dict dt = await new UnaryRpc(
"cm",
"UserRelated.GetPrivileges",
UserID
).Call <Dict>();
// 记录版本号
var ver = new DataVersion(ID: "privilege", Ver: dt.Str("ver"));
await AtState.Save(ver, false);
// 清空旧数据
AtState.Exec("delete from UserPrivilege");
// 插入新数据
var ls = (List <string>)dt["result"];
if (ls != null && ls.Count > 0)
{
List <Dict> dts = new List <Dict>();
foreach (var prv in ls)
{
dts.Add(new Dict {
{ "prv", prv }
});
}
AtState.BatchExec("insert into UserPrivilege (prv) values (:prv)", dts);
}
}
return(AtState.GetScalar <int>($"select count(*) from UserPrivilege where Prv='{p_id}'") > 0);
}