public override string DealExpression(Expression exp, bool need = false)
{
string sql = base.DealExpression(exp);
if (!String.IsNullOrEmpty(sql))
{
return(sql);
}
MemberExpression b_exp = exp as MemberExpression;
if (b_exp.Expression != null)
{
if (b_exp.Expression.GetType().Name == "TypedParameterExpression")
{
return(b_exp.Member.Name);
}
return(ExpressionTypeUtil.Eval(b_exp).ToString());
}
Type type = b_exp.Member.ReflectedType;
PropertyInfo propertyInfo = type.GetProperty(b_exp.Member.Name, BindingFlags.Static | BindingFlags.Public);
object o;
if (propertyInfo != null)
{
o = propertyInfo.GetValue(null);
}
else
{
FieldInfo field = type.GetField(b_exp.Member.Name, BindingFlags.Static | BindingFlags.Public);
o = field.GetValue(null);
}
return(ExpressionTypeUtil.GetValueFormat(o));
}
public override string DealExpression(Expression exp, bool need = false)
{
string sql = base.DealExpression(exp);
if (!String.IsNullOrEmpty(sql))
{
return(sql);
}
ConstantExpression expression = exp as ConstantExpression;
var ccc = expression.Value.GetType();
if (expression.Value == null)
{
return("NULL");
}
return(ExpressionTypeUtil.GetValueFormat(expression.Value));
}
private string DealBinary(BinaryExpression exp)
{
return(DealExpression(exp.Left) + ExpressionTypeUtil.NullValueDeal(exp.NodeType, DealExpression(exp.Right, true)));
}
