Exemplo n.º 1
0
        /// <summary>
        /// 字符串包含
        /// </summary>
        /// <param name="methodInfo"></param>
        /// <param name="parIndex"></param>
        /// <param name="addParame"></param>
        /// <returns></returns>
        public string Contains(CRLExpression.MethodCallObj methodInfo, ref int parIndex, AddParameHandler addParame)
        {
            var field     = methodInfo.MemberQueryName;
            var nodeType  = methodInfo.ExpressionType;
            var args      = methodInfo.Args;
            var firstArgs = args.First();

            if (firstArgs is IEnumerable && firstArgs.GetType() != typeof(string))//如果是集合,按in
            {
                return(In(methodInfo, ref parIndex, addParame));
            }
            string parName = GetParamName("contains", parIndex);
            var    args1   = args[0];

            if (args1 is ExpressionValueObj)
            {
                parName = args1.ToString();
            }
            else
            {
                addParame(parName, args1);
            }
            parIndex += 1;
            if (nodeType == ExpressionType.Equal)
            {
                return(dBAdapter.StringContainsFormat(field, parName));
            }
            else
            {
                return(dBAdapter.StringNotContainsFormat(field, parName));
            }
            //return string.Format("CHARINDEX({1},{0})>0", field, parName);
        }
Exemplo n.º 2
0
        public string StringContains(CRLExpression.MethodCallObj methodInfo, ref int parIndex, AddParameHandler addParame)
        {
            var    field    = methodInfo.MemberQueryName;
            var    nodeType = methodInfo.ExpressionType;
            var    args     = methodInfo.Args;
            string parName  = string.Format("@contrains{0}", parIndex);
            var    args1    = args[0];

            if (args1 is ExpressionValueObj)
            {
                parName = args1.ToString();
            }
            else
            {
                addParame(parName, args1);
            }
            parIndex += 1;
            if (nodeType == ExpressionType.Equal)
            {
                return(dBAdapter.StringContainsFormat(field, parName));
            }
            else
            {
                return(dBAdapter.StringNotContainsFormat(field, parName));
            }
            //return string.Format("CHARINDEX({1},{0})>0", field, parName);
        }
Exemplo n.º 3
0
        public string StringContains(string field, ExpressionType nodeType, ref int parIndex, AddParameHandler addParame, object[] args)
        {
            string parName = string.Format("@contrains{0}", parIndex);

            addParame(parName, args[0]);
            parIndex += 1;
            if (nodeType == ExpressionType.Equal)
            {
                return(dBAdapter.StringContainsFormat(field, parName));
            }
            else
            {
                return(dBAdapter.StringNotContainsFormat(field, parName));
            }
            //return string.Format("CHARINDEX({1},{0})>0", field, parName);
        }