feat:更新闪灵弹窗模块

lib/widgets/common.dart

@@ -24,3 +24,78 @@ Container buildCard({Widget? child}) {
     child: child,
   );
 }
+
+void buildModalBottom({
+  required BuildContext context,
+  required String title,
+  required Widget body,
+}) {
+  showModalBottomSheet(
+    context: context,
+    isScrollControlled: true,
+    backgroundColor: Colors.transparent,
+    builder: (BuildContext context) {
+      return GestureDetector(
+        onTap: () => Navigator.of(context).pop(),
+        child: Container(
+          color: Color.fromRGBO(0, 0, 0, 0.001),
+          child: GestureDetector(
+            onTap: () {},
+            child: DraggableScrollableSheet(
+              initialChildSize: 0.6,
+              minChildSize: 0.4,
+              maxChildSize: 0.9,
+              builder: (_, controller) {
+                return Container(
+                  decoration: BoxDecoration(
+                    color: Colors.white,
+                    borderRadius: BorderRadius.only(
+                      topLeft: Radius.circular(24),
+                      topRight: Radius.circular(24),
+                    ),
+                  ),
+                  child: buildModalBottomBody(context, title, body),
+                );
+              },
+            ),
+          ),
+        ),
+      );
+    },
+  );
+}
+
+Widget buildModalBottomBody(BuildContext context, String title, Widget body) {
+  return Column(
+    children: [
+      // 拖拽指示条
+      Container(
+        margin: EdgeInsets.only(top: 12, bottom: 4),
+        width: 48,
+        height: 4,
+        decoration: BoxDecoration(
+          color: Colors.grey[400],
+          borderRadius: BorderRadius.circular(2),
+        ),
+      ),
+
+      // 标题栏
+      Padding(
+        padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(
+              title,
+              style: TextStyle(fontSize: 20, fontWeight: FontWeight.w700),
+            ),
+          ],
+        ),
+      ),
+
+      Divider(height: 1, thickness: 1),
+
+      Expanded(child: Padding(padding: EdgeInsets.all(12), child: body)),
+    ],
+  );
+}