feat: 实现 NoWhatever 别说随便餐厅决策 Web App
- Framer Motion 卡片滑动 UI，带物理阻尼动画 - 多人房间系统，4位房间号 + SWR 实时轮询 - 高德地图 POI v5 API 搜索附近餐厅 - Web Share API 一键邀请，剪贴板降级方案 - SQLite/Prisma 持久化存储 - 移动端优先响应式设计 (Tailwind CSS)
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"use client";
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import { useState } from "react";
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import { useRouter } from "next/navigation";
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import { motion } from "framer-motion";
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import { Plus, LogIn, Utensils, Loader2 } from "lucide-react";
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import { getUserId } from "@/lib/userId";
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const SHANGHAI_COORDS = { lat: 31.2222, lng: 121.4764 };
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function getLocation(): Promise<{ lat: number; lng: number }> {
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if (process.env.NODE_ENV === "development") {
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return Promise.resolve(SHANGHAI_COORDS);
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}
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return new Promise((resolve) => {
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if (!navigator.geolocation) {
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resolve(SHANGHAI_COORDS);
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return;
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}
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navigator.geolocation.getCurrentPosition(
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(pos) =>
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resolve({ lat: pos.coords.latitude, lng: pos.coords.longitude }),
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() => resolve(SHANGHAI_COORDS),
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{ timeout: 5000, enableHighAccuracy: false },
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);
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});
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}
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export default function LandingPage() {
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const router = useRouter();
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const [roomCode, setRoomCode] = useState("");
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const [loading, setLoading] = useState(false);
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const [loadingText, setLoadingText] = useState("");
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const [error, setError] = useState("");
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const joinRoom = async (roomId: string) => {
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const userId = getUserId();
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const res = await fetch(`/api/room/${roomId}/join`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ userId }),
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});
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if (!res.ok) throw new Error("房间不存在");
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return roomId;
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};
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const handleCreate = async () => {
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setLoading(true);
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setError("");
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setLoadingText("正在获取位置...");
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try {
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const coords = await getLocation();
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setLoadingText("正在搜索周边美食...");
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const res = await fetch("/api/room/create", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(coords),
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});
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const { roomId } = await res.json();
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setLoadingText("正在进入房间...");
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await joinRoom(roomId);
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router.push(`/room/${roomId}`);
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} catch {
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setError("创建失败，请重试");
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setLoading(false);
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setLoadingText("");
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}
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};
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const handleJoin = async (e: React.FormEvent) => {
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e.preventDefault();
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if (roomCode.length !== 4) {
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setError("请输入 4 位房间号");
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return;
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}
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setLoading(true);
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setError("");
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try {
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await joinRoom(roomCode);
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router.push(`/room/${roomCode}`);
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} catch {
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setError("房间不存在，请检查房间号");
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setLoading(false);
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}
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};
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return (
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<div className="flex h-dvh flex-col items-center justify-center bg-background px-6">
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<motion.div
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className="flex flex-col items-center"
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initial={{ y: -20, opacity: 0 }}
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animate={{ y: 0, opacity: 1 }}
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transition={{ duration: 0.5 }}
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>
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<div className="flex h-16 w-16 items-center justify-center rounded-2xl bg-emerald-500 shadow-lg shadow-emerald-200">
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<Utensils size={28} className="text-white" />
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</div>
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<h1 className="mt-5 text-3xl font-black tracking-tight text-zinc-900">
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NoWhatever
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</h1>
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<p className="mt-0.5 text-sm font-medium tracking-widest text-zinc-400">
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别说随便
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</p>
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<p className="mt-3 max-w-xs text-center text-sm leading-relaxed text-zinc-500">
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和朋友一起滑卡片，再也不用纠结吃什么
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</p>
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</motion.div>
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<motion.div
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className="mt-10 flex w-full max-w-xs flex-col gap-3"
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initial={{ y: 20, opacity: 0 }}
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animate={{ y: 0, opacity: 1 }}
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transition={{ duration: 0.5, delay: 0.15 }}
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>
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<button
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onClick={handleCreate}
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disabled={loading}
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className="flex h-12 w-full items-center justify-center gap-2 rounded-xl bg-emerald-500 text-sm font-bold text-white shadow-md shadow-emerald-200 transition-colors hover:bg-emerald-600 disabled:opacity-50"
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>
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{loading && loadingText ? (
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<>
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<Loader2 size={18} className="animate-spin" />
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{loadingText}
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</>
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) : (
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<>
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<Plus size={18} strokeWidth={3} />
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创建新房间
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</>
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)}
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</button>
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<div className="flex items-center gap-3 py-2">
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<div className="h-px flex-1 bg-zinc-200" />
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<span className="text-xs text-zinc-400">或加入已有房间</span>
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<div className="h-px flex-1 bg-zinc-200" />
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</div>
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<form onSubmit={handleJoin} className="flex gap-2">
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<input
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type="text"
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inputMode="numeric"
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pattern="[0-9]*"
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maxLength={4}
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placeholder="输入 4 位房间号"
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value={roomCode}
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onChange={(e) => {
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setRoomCode(e.target.value.replace(/\D/g, "").slice(0, 4));
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setError("");
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}}
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disabled={loading}
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className="h-12 flex-1 rounded-xl border border-zinc-200 bg-white px-4 text-center text-lg font-semibold tracking-[0.3em] text-zinc-900 outline-none transition-colors placeholder:text-sm placeholder:tracking-normal placeholder:text-zinc-300 focus:border-emerald-400 focus:ring-2 focus:ring-emerald-100 disabled:opacity-50"
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/>
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<button
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type="submit"
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disabled={loading || roomCode.length !== 4}
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className="flex h-12 w-12 items-center justify-center rounded-xl bg-zinc-900 text-white transition-colors hover:bg-zinc-700 disabled:opacity-30"
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>
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<LogIn size={18} />
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</button>
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</form>
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{error && (
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<motion.p
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className="text-center text-xs font-medium text-rose-500"
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initial={{ opacity: 0, y: -4 }}
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animate={{ opacity: 1, y: 0 }}
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>
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{error}
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</motion.p>
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)}
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</motion.div>
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</div>
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);
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}
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