fix point rule unit

src/utils/eventValue.ts

@@ -54,13 +54,13 @@ export function formatEventNumberValue(event: EventItem | undefined, value?: num
 		return `${value}${event?.valueUnit === "COUNT" ? " 次" : ""}`;
 	}
 
-	const centText = String(Math.trunc(value));
-	const yuanText = centText.length < 3 ? "0" : centText.slice(0, -2);
-	const decimalText = centText.slice(-2).padStart(2, "0").replace(/0+$/, "");
-	return `${yuanText}${decimalText ? `.${decimalText}` : ""} 元`;
+	return `${formatCentValue(value)} 元`;
 }
 
-function resolveCentValue(valueText: string): number | undefined {
+/**
+ * 将金额字符串转换为分，最多保留两位小数。
+ */
+export function resolveCentValue(valueText: string): number | undefined {
 	const match = /^(\d+)(?:\.(\d{0,2}))?$/.exec(valueText);
 	if (!match) {
 		return undefined;
@@ -74,3 +74,16 @@ function resolveCentValue(valueText: string): number | undefined {
 	}
 	return Number(centValue);
 }
+
+/**
+ * 将整数分格式化为不带单位的元字符串。
+ */
+export function formatCentValue(value: number): string {
+	if (!Number.isSafeInteger(value) || value < 0) {
+		return "";
+	}
+	const centText = String(value);
+	const yuanText = centText.length < 3 ? "0" : centText.slice(0, -2);
+	const decimalText = centText.slice(-2).padStart(2, "0").replace(/0+$/, "");
+	return `${yuanText}${decimalText ? `.${decimalText}` : ""}`;
+}