public static string Replace(object obj, string template)
{
var matches = Regex.Matches(template, PropHolder);
foreach (Match match in matches)
{
var replayFlag = match.Value;
var propName = replayFlag.Trim("{} ".ToCharArray());
var propVal = RepoHelper.TryGetValue(obj, propName);
var value = propVal == null ? string.Empty : propVal.ToString();
template = template.Replace(replayFlag, value);
}
return(template);
}
public void Bind(object obj)
{
var leftVal = RepoHelper.TryGetValue(obj, Left);
var op = OP.ToLower();
if (op == "like")
{
Value = leftVal.ToString().Contains(Right.ToString());
return;
}
if (leftVal == null)
{
Value = Right == null;
return;
}
var result = ((IComparable)leftVal).CompareTo(Right);
switch (op)
{
case "=":
Value = result == 0;
break;
case ">":
Value = result > 0;
break;
case ">=":
Value = result > 0 || result == 0;
break;
case "<":
Value = result < 0;
break;
case "<=":
Value = result < 0 || result == 0;
break;
default:
throw new ArgumentException("不支持符号" + OP);
}
}