public class ConditionCalculater
    {
        public ConditionCalculater()
        {
            conditionStack = new Stack<bool>();
            operatorStack = new Stack<char>();
        }
        private Stack<bool> conditionStack { get; set; }
        private List<char> conditionItem = new List<char>();
        private Stack<char> operatorStack { get; set; }
        public delegate bool IsConditionMathEventHandler(string condition);
        private bool isFinishedAnalysisExpression = false;

        public bool AnalysisExpression(IsConditionMathEventHandler MathCondition, string conditionExpression)
        {
            for (int i = 0; i < conditionExpression.Length; i++)
            {
                if (i == conditionExpression.Length - 1)
                {
                    isFinishedAnalysisExpression = true;
                }
                switch (conditionExpression[i])
                {
                    case '{':
                        conditionItem.Clear();
                        break;
                    case '}':
                        var result = MathCondition(new string(conditionItem.ToArray()));
                        conditionStack.Push(result);
                        if (conditionStack.Count >= 2 && operatorStack.Count > 0)
                        {
                            Calculate();
                        }
                        break;
                    case '&':
                        operatorStack.Push('&');
                        break;
                    case '|':
                        operatorStack.Push('|');
                        break;
                    case '(':
                        operatorStack.Push('(');
                        break;
                    case ')':
                        operatorStack.Push(')');
                        break;
                    default:
                        conditionItem.Add(conditionExpression[i]);
                        break;
                }
            }
            Calculate();
            if (conditionStack.Count == 1)
            {
                return conditionStack.Pop();
            }
            else
            {
                throw new Exception("表达式格式错误!");
            }
        }
        private void Calculate()
        {
            if (operatorStack.Count > 0 && conditionStack.Count > 1)
            {
                var operatorChar = operatorStack.Peek();
                if (CanOperatorCharOperator(operatorChar))
                {
                    var first = conditionStack.Pop();
                    var second = conditionStack.Pop();
                    var result = CalculateTwoCondition(first, second, operatorChar);
                    operatorStack.Pop();
                    conditionStack.Push(result);
                    if (conditionStack.Count > 1 && operatorStack.Count > 0)
                    {
                        Calculate();
                    }
                }
                else
                {
                    if (isFinishedAnalysisExpression)
                    {
                        operatorStack.Pop();
                        Calculate();
                    }
                }
            }
        }
        private bool CanOperatorCharOperator(char operatorChar)
        {
            bool can = false;
            switch (operatorChar)
            {
                case '(':
                    can = false;
                    break;
                case ')':
                    can = false;
                    break;
                case '&':
                    can = true;
                    break;
                case '|':
                    can = true;
                    break;
                default:
                    can = false;
                    break;
            }
            return can;
        }
        private bool CalculateTwoCondition(bool first, bool second, char operatorChar)
        {
            bool result = false;
            switch (operatorChar)
            {
                case '&':
                    result = first && second;
                    break;
                case '|':
                    result = first || second;
                    break;
                default:
                    break;
            }

            return result;
        }
    }