public void ResolveExpression(ResolveExpress re, Expression exp)
{
ResolveExpress.MemberType type = ResolveExpress.MemberType.None;
var expStr = exp.ToString();
var isNotBool = !expStr.Contains("True") && !expStr.Contains("False");
if (isNotBool)
{
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type));
}
else
{
var isTrue = Regex.IsMatch(expStr, @"\=\> True$");
var isFalse = Regex.IsMatch(expStr, @"\=\> False$");
if (isFalse)
{
this.SqlWhere = string.Format(" AND 1<>1 ");
}
else if (isTrue)
{
}
else
{
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type));
}
}
}
public void ResolveExpression(ResolveExpress re, Expression exp)
{
ResolveExpress.MemberType type = ResolveExpress.MemberType.None;
var expStr = exp.ToString();
var isNotBool = !expStr.Contains("True") && !expStr.Contains("False");
var isContainsNot = expStr.Contains("Not");
if (isContainsNot && expStr.IsMatch(@" => Not\(.+?\)"))
{
this.SqlWhere = string.Format(" AND {0}=0 or {0} is null ", Regex.Match(expStr, @" => Not\(.+\.(.+?)\)").Groups[1].Value);
}
else if (isNotBool)
{
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type));
}
else
{
var isTrue = Regex.IsMatch(expStr, @"\=\> True$");
var isFalse = Regex.IsMatch(expStr, @"\=\> False$");
if (isFalse)
{
this.SqlWhere = string.Format(" AND 1<>1 ");
}
else if (isTrue)
{
}
else
{
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type));
}
}
}
/// <summary>
/// 初始化表达式
/// </summary>
/// <param name="re"></param>
/// <param name="exp"></param>
private void Init(ResolveExpress re, Expression exp)
{
ResolveExpress.MemberType type = ResolveExpress.MemberType.None;
//解析表达式
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type, true));
//还原bool值
foreach (var item in ConstantBoolDictionary)
{
if (this.SqlWhere.IsValuable())
{
this.SqlWhere = this.SqlWhere.Replace(item.Key.ToString(), item.ConditionalValue);
}
}
}
public void ResolveExpression(ResolveExpress re, Expression exp)
{
ResolveExpress.MemberType type = ResolveExpress.MemberType.None;
this.SqlWhere = string.Format(" AND {0} ", re.CreateSqlElements(exp, ref type));
}