feat: useTime

src/pages/user/login/js/useTime.js

+import { useEffect, useState } from 'react';
+/**
+ * 自定义hook
+ * 登录页时间
+ * @returns {object} 返回时间信息，包含time、dayofweek、date
+ */
+const useTime = () => {
+  const [currentDate, setCurrentDate] = useState({}); 
+  useEffect(() => {
+    let loginTimeInterval = null;
+    if (loginTimeInterval) clearInterval(loginTimeInterval), (loginTimeInterval = null);
+    loginTimeInterval = setInterval(() => {
+      const date = new Date();
+      const weekday = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
+      const time = `${date.getHours() < 10 ? `0${date.getHours()}` : date.getHours()}:${
+        date.getMinutes() < 10 ? `0${date.getMinutes()}` : date.getMinutes()
+      }:${date.getSeconds() < 10 ? `0${date.getSeconds()}` : date.getSeconds()}`;
+      setCurrentDate({
+        time,
+        dayofweek: weekday[date.getDay()],
+        date: date.pattern('yyyy/MM/dd'),
+      });
+    }, 1000);
+    return () => {
+      loginTimeInterval && clearInterval(loginTimeInterval);
+    };
+  }, []);
+  return currentDate;
+};
+export default useTime;