public void Test_SpecialCase()
{
var list = new List <Foo>();
var query = new QueryModel();
query.Add(new Condition()
{
Field = "p2", Op = Operation.Equals, Value = 1
});
query.Add(new Condition()
{
Field = "p2", Op = Operation.StdIn, Value = new List <int> {
1, 2, 3
}
});
var lambdaExp = LambdaExpressionBuilder.BuildLambda <Foo>(query);
var lambda = lambdaExp.Compile();
list = list.Where(lambda).ToList();
}
/// <summary>
/// 将一组key=value添加入QueryModel.Items
/// </summary>
/// <param name="model">QueryModel</param>
/// <param name="key">当前项的HtmlName</param>
/// <param name="val">当前项的值</param>
static void AddSearchItem(QueryModel model, string key, object val)
{
string field = "", prefix = "", orGroup = "", method = "";
var keywords = key.Split(']', ')', '}');
//将Html中的name分割为我们想要的几个部分
foreach (var keyword in keywords)
{
if (Char.IsLetterOrDigit(keyword[0]))
{
field = keyword;
}
var last = keyword.Substring(1);
if (keyword[0] == '(')
{
prefix = last;
}
if (keyword[0] == '[')
{
method = last;
}
if (keyword[0] == '{')
{
orGroup = last;
}
}
if (string.IsNullOrEmpty(method))
{
return;
}
OperationType opType;
if (!FilterSettings.Dict.TryGetValue(method, out opType))
{
return;
}
if (!string.IsNullOrEmpty(field))
{
var item = new Filter
{
Field = field,
Value = val,
Prefix = prefix,
OrGroup = orGroup,
Operation = opType
};
model.Add(item);
}
}