public SqlHelperBase(SqlHelperBuilder builder)
{
//在构造函数中调用OnConfiguring，并将依赖注入的SqlHelperBuilder实例传给该方法
//此时子类重写该方法是就可以使用依赖注入的SqlHelperBuilder的实例了
OnConfiguring(builder);
_options = builder.GetOptions();
}
public override void OnConfiguring(SqlHelperBuilder sqlHelperBuilder)
{
if (!sqlHelperBuilder.IsConfiged)
{
sqlHelperBuilder.UseSqlServer("bbb");
}
}
public override void OnConfiguring(SqlHelperBuilder sqlHelperBuilder)
{
if (!sqlHelperBuilder.IsConfiged)
{
var conStr = SqlConnectionStringHelper.GetSectionValue("ConStrWrite");
sqlHelperBuilder.UseSqlServer(conStr);
}
}
public SqlHelperBase(SqlHelperOptions options)
{
//在构造函数中调用OnConfiguring，并将依赖注入的SqlHelperBuilder实例传给该方法
//此时子类重写该方法是就可以使用依赖注入的SqlHelperBuilder的实例了
SqlHelperBuilder builder = new SqlHelperBuilder(options);
OnConfiguring(builder);
_options = options;
}
public override void OnConfiguring(SqlHelperBuilder sqlHelperBuilder)
{
var conStr = SqlConnectionStringHelper.GetSectionValue("ConStrRead");
sqlHelperBuilder.UseSqlServer(conStr);
}
public SqlHelper(SqlHelperBuilder builder) : base(builder)
{
}
/// <summary>
/// 虚方法，用于子类重写
/// </summary>
/// <param name="sqlHelperBuilder"></param>
public virtual void OnConfiguring(SqlHelperBuilder sqlHelperBuilder)
{
}
public override void OnConfiguring(SqlHelperBuilder sqlHelperBuilder)
{
sqlHelperBuilder.UseSqlServer("aaa");
}