• 在Program.cs中配置多个数据库连接

builder.Services.AddApp(info =>
{
    // ...
    // 在此配置多个数据库连接
    info.Connections = [
        new Known.ConnectionInfo
        {
            Name = "Default", // 框架默认数据库名称不能修改
            DatabaseType = DatabaseType.SQLite,
            ProviderType = typeof(Microsoft.Data.Sqlite.SqliteFactory),
            ConnectionString = builder.Configuration.GetSection("ConnString").Get<string>()
        },
        new Known.ConnectionInfo
        {
            Name = "BizDB1", // 业务数据库1
            DatabaseType = DatabaseType.SqlServer,
            ProviderType = typeof(System.Data.SqlClient.SqlClientFactory),
            ConnectionString = builder.Configuration.GetSection("ConnStringBiz1").Get<string>()
        }
    ];
});

• 在业务代码中使用数据库

var db1 = Database.Create("BizDB1");