项目重命名

MesETL.Test/TenantDbHelper.cs

@@ -0,0 +1,26 @@
+namespace TestProject1;
+
+public static class TenantDbHelper
+{
+    /// <summary>
+    /// Key-Value: {DbName}-{TenantKeyLessThan}
+    /// </summary>
+    public static Dictionary<string, int> DbList { get; set; } = new Dictionary<string, int>
+    {
+        { "cferp_test_1", 1000 },
+        { "cferp_test_2", 2000 },
+        { "cferp_test_3", int.MaxValue },
+    };
+
+    public static string GetDbNameByTenantKeyValue(int tenantKeyValue)
+    {
+        // var dictionary = new SortedDictionary<int, string>();
+        // DbList.ForEach(pair => dictionary.Add(pair.Value, pair.Key));
+        // 注意配置顺序
+        var dbName = DbList.Cast<KeyValuePair<string, int>?>()
+            .FirstOrDefault(pair => pair?.Value != null && pair.Value.Value > tenantKeyValue)!.Value.Key;
+        return dbName ??
+               throw new ArgumentOutOfRangeException(nameof(tenantKeyValue),
+                   $"已配置的数据库中没有任何符合'{nameof(tenantKeyValue)}'值的对象");
+    }
+}