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src/utils/tools.ts

@@ -183,4 +183,15 @@ export async function shareImageToWhatsapp (url: string){
 		const whatsappLink = `https://api.whatsapp.com/send/?text=${encodeURIComponent(message)}`
 		window.open(whatsappLink, '_blank')
 	}
-}
+}
+
+/**
+ * 倒计时
+ * @param time 倒计时时间，单位秒
+ * @returns 倒计时字符串，格式为 mm:ss
+*/
+export function CountDown(time: number) {
+	const mm = String(Math.floor(time / 60)).padStart(2, '0');
+	const ss = String(time % 60).padStart(2, '0');
+	return `${mm}:${ss}`;
+}