public override void ToCode(StringBuilder sb, string preTabs)
{
//Todo:判断In,Like等特殊语法进行方法转换，否则解析器无法解析
if (BinaryType == BinaryOperatorType.Like)
{
sb.Append("f.Contains(");
LeftOperand.ToCode(sb, preTabs);
sb.Append(",");
RightOperand.ToCode(sb, preTabs);
sb.Append(")");
}
else
{
LeftOperand.ToCode(sb, preTabs);
sb.AppendFormat(" {0} ", GetBinaryOperatorTypeString());
RightOperand.ToCode(sb, preTabs);
}
}