🐛 Fix case like y=80%*x painting wrongly

2025-09-14 14:46:09 +08:00
parent d26c29613b
commit d652df407f
4 changed files with 52 additions and 14 deletions
--- a/lib/widgets/graph_card.dart
+++ b/lib/widgets/graph_card.dart
@@ -54,6 +54,12 @@ class _GraphCardState extends State<GraphCard> {
        (match) => '${match.group(1)}*${match.group(2)}',
      );

+      // 在 % 和变量或数字之间插入乘号 (如 80%x -> 80%*x)
+      functionExpr = functionExpr.replaceAllMapped(
+        RegExp(r'%([a-zA-Z\d])'),
+        (match) => '%*${match.group(1)}',
+      );
+
      // 解析表达式
      final parser = Parser(functionExpr);
      final expr = parser.parse();