!909 优化:拆单尺寸支持表达式

* fixes #I1DPSJ

src/Common/CheckoutVaildValue.ts

@@ -122,9 +122,9 @@ export namespace CheckoutValid
             case "spliteHeight":
             case "spliteWidth":
             case "spliteThickness":
-                if (v !== "" && isNaN(val))
+                if (v !== "" && isNaN(safeEval(v, { L: 1, H: 1, W: 1 })))
                 {
-                    return "必须为数字";
+                    return "表达式错误";
                 }
                 return "";
             case "height":

src/Production/Product.ts

@@ -174,9 +174,10 @@ export namespace Production
     export function GetBoardInfo(br: Board, size: Vector3): IBoardProdInfo
     {
         let data = br.BoardProcessOption;
-        let spliteHeight = safeEval(data.spliteHeight);
-        let spliteWidth = safeEval(data.spliteWidth);
-        let spliteThickness = safeEval(data.spliteThickness);
+        let param = { L: br.Height, W: br.Width, H: br.Thickness };
+        let spliteHeight = safeEval(data.spliteHeight, param);
+        let spliteWidth = safeEval(data.spliteWidth, param);
+        let spliteThickness = safeEval(data.spliteThickness, param);
         let isRect = (!isNaN(spliteHeight) && !isNaN(spliteWidth) && !isNaN(spliteThickness)) || !br.IsSpecialShape;
 
         return {
@@ -432,9 +433,10 @@ export namespace Production
     }
     export function GetSpliteOutlineBySpliteSize(br: Board)
     {
-        let spliteHeight = safeEval(br.BoardProcessOption.spliteHeight);
-        let spliteWidth = safeEval(br.BoardProcessOption.spliteWidth);
-        let spliteThickness = safeEval(br.BoardProcessOption.spliteThickness);
+        let param = { L: br.Height, W: br.Width, H: br.Thickness };
+        let spliteHeight = safeEval(br.BoardProcessOption.spliteHeight, param);
+        let spliteWidth = safeEval(br.BoardProcessOption.spliteWidth, param);
+        let spliteThickness = safeEval(br.BoardProcessOption.spliteThickness, param);
 
         if (spliteHeight && spliteWidth && spliteThickness)
         {