fix: 修复多语言FlagIcon为非必填

aspnet-core/modules/LanguageManagement/src/Lion.AbpPro.LanguageManagement.Domain/Languages/Aggregates/Language.cs

@@ -87,7 +87,6 @@ public class Language : FullAuditedAggregateRoot<Guid>, ILanguageInfo
     /// </summary>        
     private void SetFlagIcon(string flagIcon)
     {
-        Guard.Length(flagIcon, nameof(flagIcon), 128, 0);
         FlagIcon = flagIcon;
     }
 

aspnet-core/modules/LanguageManagement/src/Lion.AbpPro.LanguageManagement.EntityFrameworkCore/EntityFrameworkCore/LanguageManagementDbContextModelCreatingExtensions.cs

@@ -13,7 +13,7 @@ namespace Lion.AbpPro.LanguageManagement.EntityFrameworkCore
                 b.Property(e => e.CultureName).IsRequired().HasMaxLength(128).HasComment("语言名称");
                 b.Property(e => e.UiCultureName).IsRequired().HasMaxLength(128).HasComment("Ui语言名称");
                 b.Property(e => e.DisplayName).IsRequired().HasMaxLength(128).HasComment("显示名称");
-                b.Property(e => e.FlagIcon).IsRequired().HasComment("图标");
+                b.Property(e => e.FlagIcon).HasMaxLength(128).HasComment("图标");
                 b.Property<bool>(x => x.IsEnabled).IsRequired();
                 b.HasIndex(e => e.CultureName).IsUnique();
                 b.ConfigureByConvention();

aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/Migrations/20230519052837_UpdateLanguageManagementFlagIconIsNotRequired.cs

@@ -0,0 +1,52 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Lion.AbpPro.Migrations
+{
+    /// <inheritdoc />
+    public partial class UpdateLanguageManagementFlagIconIsNotRequired : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "FlagIcon",
+                table: "AbpLanguages",
+                type: "varchar(128)",
+                maxLength: 128,
+                nullable: true,
+                comment: "图标",
+                oldClrType: typeof(string),
+                oldType: "longtext",
+                oldComment: "图标")
+                .Annotation("MySql:CharSet", "utf8mb4")
+                .OldAnnotation("MySql:CharSet", "utf8mb4");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.UpdateData(
+                table: "AbpLanguages",
+                keyColumn: "FlagIcon",
+                keyValue: null,
+                column: "FlagIcon",
+                value: "");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "FlagIcon",
+                table: "AbpLanguages",
+                type: "longtext",
+                nullable: false,
+                comment: "图标",
+                oldClrType: typeof(string),
+                oldType: "varchar(128)",
+                oldMaxLength: 128,
+                oldNullable: true,
+                oldComment: "图标")
+                .Annotation("MySql:CharSet", "utf8mb4")
+                .OldAnnotation("MySql:CharSet", "utf8mb4");
+        }
+    }
+}

aspnet-core/services/src/Lion.AbpPro.EntityFrameworkCore/Migrations/AbpProDbContextModelSnapshot.cs

@@ -260,8 +260,8 @@ namespace Lion.AbpPro.Migrations
                         .HasColumnName("ExtraProperties");
 
                     b.Property<string>("FlagIcon")
-                        .IsRequired()
-                        .HasColumnType("longtext")
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)")
                         .HasComment("图标");
 
                     b.Property<bool>("IsDefault")