feat(P4): precompute移植+app.js sources双向回填+回归1003/1003+验收体积/文件/data.json

site/sources/calendar/jsx.txt

@@ -0,0 +1,68 @@
+import React, { useState, useMemo } from 'react';
+import './Calendar.css';
+
+const WEEKS = ['日', '一', '二', '三', '四', '五', '六'];
+function fmt(dt) {
+  const p = x => (x < 10 ? '0' + x : '' + x);
+  return dt.getFullYear() + '-' + p(dt.getMonth() + 1) + '-' + p(dt.getDate());
+}
+
+export default function Calendar({ value = '', onChange }) {
+  const now = new Date();
+  const [viewY, setViewY] = useState(now.getFullYear());
+  const [viewM, setViewM] = useState(now.getMonth());
+  const [selected, setSelected] = useState(value);
+  const today = fmt(now);
+
+  const cells = useMemo(() => {
+    const first = new Date(viewY, viewM, 1).getDay();
+    const days = new Date(viewY, viewM + 1, 0).getDate();
+    const prevDays = new Date(viewY, viewM, 0).getDate();
+    const arr = [];
+    for (let i = 0; i < first; i++) {
+      let pd = prevDays - first + 1 + i, pm = viewM - 1, py = viewY;
+      if (pm < 0) { pm = 11; py--; }
+      arr.push({ day: pd, out: true, key: fmt(new Date(py, pm, pd)) });
+    }
+    for (let d = 1; d <= days; d++) {
+      const k = fmt(new Date(viewY, viewM, d));
+      arr.push({ day: d, out: false, today: k === today, key: k });
+    }
+    const tail = (7 - (arr.length % 7)) % 7;
+    for (let t = 1; t <= tail; t++) {
+      let nm = viewM + 1, ny = viewY; if (nm > 11) { nm = 0; ny++; }
+      arr.push({ day: t, out: true, key: fmt(new Date(ny, nm, t)) });
+    }
+    return arr;
+  }, [viewY, viewM, today]);
+
+  function prev() { let m = viewM - 1, y = viewY; if (m < 0) { m = 11; y--; } setViewM(m); setViewY(y); }
+  function next() { let m = viewM + 1, y = viewY; if (m > 11) { m = 0; y++; } setViewM(m); setViewY(y); }
+  function pick(c) {
+    setSelected(c.key);
+    setViewY(parseInt(c.key.slice(0, 4), 10));
+    setViewM(parseInt(c.key.slice(5, 7), 10) - 1);
+    onChange && onChange(c.key);
+  }
+
+  return (
+    <div className="aa-calendar">
+      <div className="aa-calendar-head">
+        <button className="aa-calendar-nav" onClick={prev}>‹</button>
+        <span className="aa-calendar-title">{viewY} 年 {viewM + 1} 月</span>
+        <button className="aa-calendar-nav" onClick={next}>›</button>
+      </div>
+      <div className="aa-calendar-week">
+        {WEEKS.map(w => <span className="aa-calendar-weekday" key={w}>{w}</span>)}
+      </div>
+      <div className="aa-calendar-grid">
+        {cells.map((c, i) => (
+          <div key={i} className={'aa-calendar-cell' + (c.out ? ' is-out' : '') + (c.today ? ' is-today' : '') + (c.key === selected ? ' is-selected' : '')}
+               onClick={() => pick(c)}>
+            {c.day}
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}