public override void AddWhere(NewArrayExpression exp, ExpressionInfo arg)
{
foreach (var item in exp.Expressions)
{
HelperTool.AddWhere(item, arg);
}
}
public override void AddWhere(BinaryExpression exp, ExpressionInfo arg)
{
HelperTool.AddWhere(exp.Left, arg);
arg.SetRelation(exp.NodeType.ToString());
HelperTool.AddWhere(exp.Right, arg);
}
public override void AddWhere(MethodCallExpression exp, ExpressionInfo arg)
{
arg.SetRelation(exp.Method.Name);
foreach (var argument in exp.Arguments)
{
HelperTool.AddWhere(argument, arg);
}
HelperTool.AddWhere(exp.Object, arg);
}
public override void AddWhere(MemberExpression exp, ExpressionInfo arg)
{
if (exp.Expression != null)
{
// 存储变量名称,再需要解析变量值的时候获取此字段的值
arg.ConstantName = exp.Member.Name;
HelperTool.AddWhere(exp.Expression, arg);
arg.SetObject(exp.Member.Name);
}
else
{
var fi = (PropertyInfo)exp.Member;
var val = fi.GetValue(((ConstantExpression)exp.Expression)?.Value, null);
arg.SetObjectValue(val);
}
}
public override void AddWhere(UnaryExpression exp, ExpressionInfo arg)
{
arg.SetObjectUnary(exp.NodeType);
HelperTool.AddWhere(exp.Operand, arg);
}
public override void AddWhere(LambdaExpression exp, ExpressionInfo arg)
{
HelperTool.AddWhere(exp.Body, arg);
}
public override void AddShow(BinaryExpression exp, ExpressionInfo arg)
{
HelperTool.AddWhere(exp.Left, arg);
HelperTool.AddWhere(exp.Right, arg);
}
