feat(energy): electric view with mini KPI + month grouping

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/modules/energy/ElectricView.tsx

@@ -1,7 +1,146 @@
+import { useMemo, useState } from 'react';
+import { ChevronRight, Wallet, BatteryCharging, CalendarClock } from 'lucide-react';
+import { motion, AnimatePresence } from 'motion/react';
+import TrendBadge from './TrendBadge';
+import { ELECTRIC_KPI, ELECTRIC_MONTHLY } from './mock';
+import type { CustomerType } from './types';
+
+function fmtYuan(yuan: number) {
+  return `¥${yuan.toLocaleString('zh-CN', { maximumFractionDigits: 2 })}`;
+}
+function fmtKwh(kwh: number) {
+  return `${kwh.toLocaleString('zh-CN', { maximumFractionDigits: 2 })} 度`;
+}
+
 export default function ElectricView() {
+  const [customer, setCustomer] = useState<CustomerType>('external');
+  const [openMonths, setOpenMonths] = useState<Set<string>>(new Set([ELECTRIC_MONTHLY[0]?.month]));
+
+  const months = useMemo(() => {
+    // mock 暂不区分客户类型，customer 切换不影响数据；保留 UI 切换以与 BI 一致
+    void customer;
+    return ELECTRIC_MONTHLY;
+  }, [customer]);
+
+  const k = ELECTRIC_KPI;
+
+  const toggleMonth = (m: string) => setOpenMonths(prev => {
+    const next = new Set(prev);
+    next.has(m) ? next.delete(m) : next.add(m);
+    return next;
+  });
+
   return (
-    <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-6 text-center text-slate-400 text-sm">
+    <div className="flex flex-col gap-3">
-      电能视图占位 — 将在 Task 6 实现
+      <div className="bg-white rounded-xl border border-slate-100 px-3 py-1.5 text-[11px] text-slate-400">
+        龙王路停车场充电站，期初 2025-01-01，手工导入每日更新
+      </div>
+
+      {/* 横向 mini KPI 头 */}
+      <div className="grid grid-cols-3 gap-2 md:gap-3">
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4">
+          <div className="flex items-center gap-1 text-[11px] text-slate-500 font-bold mb-1">
+            <Wallet size={11} className="text-blue-600" />累计
+          </div>
+          <div className="text-base md:text-2xl font-bold text-slate-800">{fmtYuan(k.totalFee)}</div>
+          <div className="text-[11px] text-slate-500 font-bold mt-0.5">{fmtKwh(k.totalKwh)}</div>
+        </div>
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4">
+          <div className="flex items-center gap-1 text-[11px] text-slate-500 font-bold mb-1">
+            <CalendarClock size={11} className="text-blue-600" />本月
+          </div>
+          <div className="text-base md:text-2xl font-bold text-slate-800">{fmtYuan(k.monthFee)}</div>
+          <div className="text-[11px] text-slate-500 font-bold mt-0.5">{fmtKwh(k.monthKwh)}</div>
+        </div>
+        <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-3 md:p-4">
+          <div className="flex items-center gap-1 text-[11px] text-slate-500 font-bold mb-1">
+            <BatteryCharging size={11} className="text-blue-600" />今日
+          </div>
+          <div className="flex items-center gap-1.5">
+            <div className="text-base md:text-2xl font-bold text-slate-800">{fmtYuan(k.todayFee)}</div>
+            <TrendBadge value={k.todayChainPct} />
+          </div>
+          <div className="text-[11px] text-slate-500 font-bold mt-0.5">{fmtKwh(k.todayKwh)}</div>
+        </div>
+      </div>
+
+      {/* 客户类型 */}
+      <div className="bg-slate-100 rounded-xl p-1 grid grid-cols-2 gap-1">
+        {(['external', 'lingniu'] as const).map(c => (
+          <button
+            key={c}
+            onClick={() => setCustomer(c)}
+            className={`rounded-lg py-1.5 text-[12px] font-bold transition-all ${
+              customer === c ? 'bg-white shadow-sm text-slate-800' : 'text-slate-500'
+            }`}
+          >
+            {c === 'external' ? '外部' : '羚牛'}
+          </button>
+        ))}
+      </div>
+
+      {/* 月份分组表 */}
+      <div className="bg-white rounded-2xl border border-slate-100 shadow-sm overflow-hidden">
+        <div className="grid grid-cols-[1fr_auto_auto] md:grid-cols-[1fr_120px_140px_120px] gap-2 px-3 py-2 bg-slate-50 text-[11px] font-bold text-slate-500">
+          <span>月份 / 日期</span>
+          <span className="hidden md:block text-right">充电电量</span>
+          <span className="text-right md:hidden">度</span>
+          <span className="text-right">充电费用(元)</span>
+          <span className="text-right hidden md:block">环比</span>
+        </div>
+        {months.map(m => {
+          const open = openMonths.has(m.month);
+          return (
+            <div key={m.month} className="border-t border-slate-100 first:border-t-0">
+              <button
+                onClick={() => toggleMonth(m.month)}
+                className={`w-full grid grid-cols-[1fr_auto_auto] md:grid-cols-[1fr_120px_140px_120px] gap-2 px-3 py-2.5 text-left transition-colors ${
+                  open ? 'bg-blue-50/30' : 'hover:bg-slate-50'
+                }`}
+              >
+                <span className="flex items-center gap-1 text-[12px] text-slate-700 font-bold">
+                  <ChevronRight size={14} className={`transition-transform ${open ? 'rotate-90' : ''} text-slate-400`} />
+                  {m.month}
+                </span>
+                <span className="text-right text-[12px] text-slate-700 font-bold tabular-nums">
+                  {m.kwh.toLocaleString('zh-CN', { maximumFractionDigits: 2 })}
+                </span>
+                <span className="text-right text-[12px] text-slate-700 font-bold tabular-nums">
+                  {m.fee.toLocaleString('zh-CN', { maximumFractionDigits: 2 })}
+                </span>
+                <span className="hidden md:block" />
+              </button>
+              <AnimatePresence initial={false}>
+                {open && (
+                  <motion.div
+                    initial={{ height: 0, opacity: 0 }}
+                    animate={{ height: 'auto', opacity: 1 }}
+                    exit={{ height: 0, opacity: 0 }}
+                    transition={{ duration: 0.15 }}
+                    className="overflow-hidden bg-slate-50/50"
+                  >
+                    {m.rows.map(d => (
+                      <div
+                        key={d.date}
+                        className="grid grid-cols-[1fr_auto_auto] md:grid-cols-[1fr_120px_140px_120px] gap-2 px-3 py-2 pl-9 border-t border-slate-100"
+                      >
+                        <span className="text-[12px] text-slate-600">{d.date}</span>
+                        <span className="text-right text-[12px] text-slate-700 font-bold tabular-nums">
+                          {d.kwh.toLocaleString('zh-CN', { maximumFractionDigits: 2 })}
+                        </span>
+                        <span className="text-right text-[12px] text-slate-700 font-bold tabular-nums">
+                          {d.fee.toLocaleString('zh-CN', { maximumFractionDigits: 2 })}
+                        </span>
+                        <span className="text-right hidden md:block"><TrendBadge value={d.chainPct} /></span>
+                      </div>
+                    ))}
+                  </motion.div>
+                )}
+              </AnimatePresence>
+            </div>
+          );
+        })}
+      </div>
     </div>
   );
 }