/// <summary>
/// 当存在true 时，特殊处理
/// </summary>
protected virtual string SqlTrue(string sql)
{
var dbParam = ParamList.FirstOrDefault(o => o.ParameterName == sql);
if (dbParam != null)
{
var result = dbParam.Value.ToString().Equals("true");
ParamList.RemoveAll(o => o.ParameterName == sql);
return(result ? "1=1" : "1<>1");
}
return(sql);
}