first

2022-03-31 12:06:31 +08:00
parent 75a366ae11
commit 7e4c106683
10 changed files with 1905 additions and 459 deletions
--- a/pages/index.js
+++ b/pages/index.js
@@ -1,69 +1,82 @@
-import Head from 'next/head'
-import Image from 'next/image'
-import styles from '../styles/Home.module.css'
+import { useState, useEffect } from "react";
+import { useRouter } from "next/router";
+import Link from "next/link";
+import {
+  Alert,
+  Button,
+  TextField,
+  Stack,
+  InputField,
+  Box,
+  Snackbar,
+  Container,
+} from "@mui/material";
+
+export default function Index(props) {
+  const [username, setUsername] = useState("");
+  const [snackbarOpen, setSnackbarOpen] = useState(false);
+
+  // get username from localStorage
+  useEffect(() => {
+    const localUsername = localStorage.getItem("username");
+    if (localUsername) {
+      setUsername(localUsername);
+    }
+  }, []);
+
+  const router = useRouter();
+
+  const login = () => {
+    if (!username) {
+      setSnackbarOpen(true);
+      return;
+    }
+    // set local storage
+    localStorage.setItem("username", username);
+    props.setUsername(username);
+  };
+
+  useEffect(() => {
+    if (props.username) {
+      router.push("/time");
+    }
+  }, [props.username]);

-export default function Home() {
  return (
-    <div className={styles.container}>
-      <Head>
-        <title>Create Next App</title>
-        <meta name="description" content="Generated by create next app" />
-        <link rel="icon" href="/favicon.ico" />
-      </Head>
-
-      <main className={styles.main}>
-        <h1 className={styles.title}>
-          Welcome to <a href="https://nextjs.org">Next.js!</a>
-        </h1>
-
-        <p className={styles.description}>
-          Get started by editing{' '}
-          <code className={styles.code}>pages/index.js</code>
-        </p>
-
-        <div className={styles.grid}>
-          <a href="https://nextjs.org/docs" className={styles.card}>
-            <h2>Documentation &rarr;</h2>
-            <p>Find in-depth information about Next.js features and API.</p>
-          </a>
-
-          <a href="https://nextjs.org/learn" className={styles.card}>
-            <h2>Learn &rarr;</h2>
-            <p>Learn about Next.js in an interactive course with quizzes!</p>
-          </a>
-
-          <a
-            href="https://github.com/vercel/next.js/tree/canary/examples"
-            className={styles.card}
+    <Container>
+      <Stack direction="row" spacing={2}>
+        <TextField
+          label="Username"
+          value={username}
+          onChange={(e) => setUsername(e.target.value)}
+          onKeyUp={(e) => {
+            if (e.key === "Enter") {
+              login();
+            }
+          }}
+        />
+        <Link href="/time" passHref>
+          <Button
+            variant="contained"
+            color="primary"
+            onClick={(e) => {
+              e.preventDefault();
+              login();
+            }}
          >
-            <h2>Examples &rarr;</h2>
-            <p>Discover and deploy boilerplate example Next.js projects.</p>
-          </a>
-
-          <a
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
-            className={styles.card}
-          >
-            <h2>Deploy &rarr;</h2>
-            <p>
-              Instantly deploy your Next.js site to a public URL with Vercel.
-            </p>
-          </a>
-        </div>
-      </main>
-
-      <footer className={styles.footer}>
-        <a
-          href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Powered by{' '}
-          <span className={styles.logo}>
-            <Image src="/vercel.svg" alt="Vercel Logo" width={72} height={16} />
-          </span>
-        </a>
-      </footer>
-    </div>
-  )
+            Login
+          </Button>
+        </Link>
+      </Stack>
+      <Snackbar
+        open={snackbarOpen}
+        autoHideDuration={1000}
+        onClose={() => setSnackbarOpen(false)}
+      >
+        <Alert variant="filled" severity="error">
+          Username can{"'"}t be empty
+        </Alert>
+      </Snackbar>
+    </Container>
+  );
 }