//bool型比较
protected bool CompareBool(CompareSign Sign, bool val1, string val2)
{
bool V2 = false;
if (val2 == "0" || val2.Equals("false", StringComparison.OrdinalIgnoreCase))
{
V2 = false;
}
else
{
V2 = true;
}
switch (Sign)
{
case CompareSign.Equals: //"="
return(val1 == V2);
case CompareSign.NotEquals: //"!="
return(val1 != V2);
default:
break;
}
return(false);
}
//double型比较
protected bool CompareDouble(CompareSign Sign, double val1, string val2)
{
if (val2 == "")
{
val2 = "0";
}
if (Util.IsNum(val2))
{
double V2 = Convert.ToInt32(val2);
switch (Sign)
{
case CompareSign.Equals: //"="
return(val1 == V2);
case CompareSign.Greater: //">"
return(val1 > V2);
case CompareSign.Less: //"<"
return(val1 < V2);
case CompareSign.GreaterAndEquals: //">="
return(val1 >= V2);
case CompareSign.LessAndEquals: //"<="
return(val1 <= V2);
case CompareSign.NotEquals: //"!="
return(val1 != V2);
default:
break;
}
}
return(false);
}
//长整型比较
protected bool CompareLong(CompareSign Sign, long val1, string val2)
{
if (Util.IsInt(val2))
{
long V2 = Convert.ToInt64(val2);
switch (Sign)
{
case CompareSign.Equals: //"="
return(val1 == V2);
case CompareSign.Greater: //">"
return(val1 > V2);
case CompareSign.Less: //"<"
return(val1 < V2);
case CompareSign.GreaterAndEquals: //">="
return(val1 >= V2);
case CompareSign.LessAndEquals: //"<="
return(val1 <= V2);
case CompareSign.NotEquals: //"!="
return(val1 != V2);
default:
break;
}
}
return(false);
}
//字符串比较
protected bool CompareStr(CompareSign Sign, string val1, string val2)
{
switch (Sign)
{
case CompareSign.Equals: //"="
return(val1.Equals(val2, StringComparison.OrdinalIgnoreCase));
case CompareSign.Greater: //">"
return(val1.CompareTo(val2) > 0);
case CompareSign.Less: //"<"
return(val1.CompareTo(val2) < 0);
case CompareSign.GreaterAndEquals: //">="
return(val1.CompareTo(val2) >= 0);
case CompareSign.LessAndEquals: //"<="
return(val1.CompareTo(val2) <= 0);
case CompareSign.NotEquals: //"!="
return(!val1.Equals(val2, StringComparison.OrdinalIgnoreCase));
case CompareSign.Like: //"like"
return(val1.IndexOf(val2, StringComparison.OrdinalIgnoreCase) > -1);
default:
break;
}
return(false);
}
public static bool Compare(this decimal value1, CompareSign compareSign, decimal value2)
{
switch (compareSign)
{
case CompareSign.Equals:
return(Object.Equals(value1, value2));
case CompareSign.NotEquals:
return(!Object.Equals(value1, value2));
case CompareSign.Greater:
return(value1 > value2);
case CompareSign.Lower:
return(value1 > value2);
case CompareSign.GreaterEquals:
return(value1 >= value2);
case CompareSign.LowerEquals:
return(value1 <= value2);
default:
return(true);
}
}
public Condition(Expression left, CompareSign compare, Expression right)
{
Compare = compare;
Left = left;
Right = right;
NextTrue = null;
NextFalse = null;
}
public static bool Compare(this object propValue, CompareSign compareSign, object value)
{
switch (compareSign)
{
case CompareSign.Equals:
return(Object.Equals(propValue, value));
case CompareSign.NotEquals:
return(!Object.Equals(propValue, value));
default:
return(Object.Equals(propValue, value));
}
}
//path型比较
//附件型仅判断是否为空
protected bool ComparePath(CompareSign Sign, string val1, string val2)
{
bool bIsNull = false;
if (string.IsNullOrEmpty(val2) || val2.Equals("null", StringComparison.OrdinalIgnoreCase))
{
bIsNull = true;
}
switch (Sign)
{
case CompareSign.Equals: //"="
if (bIsNull)
{
return(string.IsNullOrEmpty(val1));
}
else
{
return(!string.IsNullOrEmpty(val1));
}
case CompareSign.NotEquals: //"!="
if (bIsNull)
{
return(!string.IsNullOrEmpty(val1));
}
else
{
return(string.IsNullOrEmpty(val1));
}
default:
break;
}
return(false);
}
//datetime型比较
protected bool CompareDateTime(CompareSign Sign, DateTime val1, string val2)
{
try
{
if (val2 == "")
{
val2 = "1900-1-1";
}
DateTime V2 = DateTime.Parse(val2);
//仅仅比较年月日
switch (Sign)
{
case CompareSign.Equals: //"="
if (val1.Year == V2.Year &&
val1.Month == V2.Month &&
val1.Day == V2.Day)
{
return(true);
}
else
{
return(false);
}
case CompareSign.Greater: //">"
return(val1 > V2);
case CompareSign.Less: //"<"
return(val1 < V2);
case CompareSign.GreaterAndEquals: //">="
if (val1.Year == V2.Year &&
val1.Month == V2.Month &&
val1.Day == V2.Day)
{
return(true);
}
else
{
return(val1 > V2);
}
case CompareSign.LessAndEquals: //"<="
if (val1.Year == V2.Year &&
val1.Month == V2.Month &&
val1.Day == V2.Day)
{
return(true);
}
else
{
return(val1 < V2);
}
case CompareSign.NotEquals: //"!="
if (val1.Year == V2.Year &&
val1.Month == V2.Month &&
val1.Day == V2.Day)
{
return(false);
}
else
{
return(true);
}
default:
break;
}
}
catch
{
return(false);
}
return(false);
}
