给ColorPicker组件增加传入传出选定值的能力。

src/components/ColorPicker.tsx

@@ -5,9 +5,18 @@ import { HSegmentedControl } from './HSegmentedControl';
 import { HslAssemble } from './HslAsssemble';
 import { RGBAssemble } from './RGBAssemble';
 
-export function ColorPicker() {
+type ColorPickerProps = {
-  const [pickMode, setMode] = useState<'rgb' | 'hsl' | 'oklch'>('rgb');
+  color?: string | null;
-  const [selectedColor, setSelectedColor] = useState<string>('000000');
+  onSelect?: (color: string) => void;
+};
+
+export function ColorPicker({ color, onSelect }: ColorPickerProps) {
+  const [pickMode, setMode] = useState<'rgb' | 'hsl'>('rgb');
+  const [selectedColor, setSelectedColor] = useState<string>(color ?? '000000');
+  const handleColorSelect = (color: string) => {
+    setSelectedColor(color);
+    onSelect?.(color);
+  };
 
   return (
     <div className={styles.color_picker}>
@@ -22,10 +31,10 @@ export function ColorPicker() {
         onChange={(value) => setMode(value as 'rgb' | 'hsl' | 'oklch')}
       />
       {isEqual(pickMode, 'rgb') && (
-        <RGBAssemble color={selectedColor} onChange={(c) => setSelectedColor(c)} />
+        <RGBAssemble color={selectedColor} onChange={handleColorSelect} />
       )}
       {isEqual(pickMode, 'hsl') && (
-        <HslAssemble color={selectedColor} onChange={(c) => setSelectedColor(c)} />
+        <HslAssemble color={selectedColor} onChange={handleColorSelect} />
       )}
     </div>
   );