namespace Abp.Zero.EntityFramework

 {

     /// <summary>

     /// Extension methods for <see cref="DbModelBuilder"/>.

     /// </summary>

     public static class AbpZeroDbModelBuilderExtensions

     {

         /// <summary>

         /// Changes prefix for ABP tables (which is "Abp" by default).

         /// Can be null/empty string to clear the prefix.

         /// </summary>

         /// <typeparam name="TTenant">The type of the tenant entity.</typeparam>

         /// <typeparam name="TRole">The type of the role entity.</typeparam>

         /// <typeparam name="TUser">The type of the user entity.</typeparam>

         /// <param name="modelBuilder">Model builder.</param>

         /// <param name="prefix">Table prefix, or null to clear prefix.</param>

         /// <param name="schemaName">Schema name</param>

         public static void ChangeAbpTablePrefix<TTenant, TRole, TUser>(this DbModelBuilder modelBuilder, string prefix, string schemaName = null)

             where TTenant : AbpTenant<TUser>

             where TRole : AbpRole<TUser>

             where TUser : AbpUser<TUser>

         {

             prefix = prefix ?? "";

             SetTableName<AuditLog>(modelBuilder, prefix + "AuditLogs", schemaName);

             SetTableName<BackgroundJobInfo>(modelBuilder, prefix + "BackgroundJobs", schemaName);

             SetTableName<Edition>(modelBuilder, prefix + "Editions", schemaName);

             SetTableName<FeatureSetting>(modelBuilder, prefix + "Features", schemaName);

             SetTableName<TenantFeatureSetting>(modelBuilder, prefix + "Features", schemaName);

             SetTableName<EditionFeatureSetting>(modelBuilder, prefix + "Features", schemaName);

             SetTableName<ApplicationLanguage>(modelBuilder, prefix + "Languages", schemaName);

             SetTableName<ApplicationLanguageText>(modelBuilder, prefix + "LanguageTexts", schemaName);

             SetTableName<NotificationInfo>(modelBuilder, prefix + "Notifications", schemaName);

             SetTableName<NotificationSubscriptionInfo>(modelBuilder, prefix + "NotificationSubscriptions", schemaName);

             SetTableName<OrganizationUnit>(modelBuilder, prefix + "OrganizationUnits", schemaName);

             SetTableName<PermissionSetting>(modelBuilder, prefix + "Permissions", schemaName);

             SetTableName<RolePermissionSetting>(modelBuilder, prefix + "Permissions", schemaName);

             SetTableName<UserPermissionSetting>(modelBuilder, prefix + "Permissions", schemaName);

             SetTableName<TRole>(modelBuilder, prefix + "Roles", schemaName);

             SetTableName<Setting>(modelBuilder, prefix + "Settings", schemaName);

             SetTableName<TTenant>(modelBuilder, prefix + "Tenants", schemaName);

             SetTableName<UserLogin>(modelBuilder, prefix + "UserLogins", schemaName);

             SetTableName<UserLoginAttempt>(modelBuilder, prefix + "UserLoginAttempts", schemaName);

             SetTableName<TenantNotificationInfo>(modelBuilder, prefix + "TenantNotifications", schemaName);

             SetTableName<UserNotificationInfo>(modelBuilder, prefix + "UserNotifications", schemaName);

             SetTableName<UserOrganizationUnit>(modelBuilder, prefix + "UserOrganizationUnits", schemaName);

             SetTableName<UserRole>(modelBuilder, prefix + "UserRoles", schemaName);

             SetTableName<TUser>(modelBuilder, prefix + "Users", schemaName);

             SetTableName<UserAccount>(modelBuilder, prefix + "UserAccounts", schemaName);

             SetTableName<UserClaim>(modelBuilder, prefix + "UserClaims", schemaName);

             SetTableName<RoleClaim>(modelBuilder, prefix + "RoleClaims", schemaName);

             SetTableName<UserToken>(modelBuilder, prefix + "UserTokens", schemaName);

         }

         internal static void SetTableName<TEntity>(this DbModelBuilder modelBuilder, string tableName, string schemaName)

             where TEntity : class

         {

             if (schemaName == null)

             {

                 modelBuilder.Entity<TEntity>().ToTable(tableName);

             }

             else

             {

                 modelBuilder.Entity<TEntity>().ToTable(tableName, schemaName);

             }

         }

     }

 }

public class WCHSOFTDbContext : AbpZeroDbContext<Tenant, Role, User, WCHSOFTDbContext>

{

　　public WCHSOFTDbContext(DbContextOptions<WCHSOFTDbContext> options)

   　　: base(options)

   {

   }

   protected override void OnModelCreating(ModelBuilder modelBuilder)

   {

   　　modelBuilder.ChangeAbpTablePrefix<Tenant, Role, User>("Wch");

   　　base.OnModelCreating(modelBuilder);

   }

}