添加项目文件。

Migrations/20260517061910_tokens.cs

@@ -0,0 +1,41 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace WebAppServer1.Migrations
+{
+    /// <inheritdoc />
+    public partial class tokens : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Tokens",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RefreshToken = table.Column<string>(type: "text", nullable: false),
+                    UserId = table.Column<int>(type: "integer", nullable: false),
+                    UserName = table.Column<string>(type: "text", nullable: false),
+                    IssuedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    ExpiresAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsRevoked = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Tokens", x => x.Id);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Tokens");
+        }
+    }
+}