factor:布局颜色重构

lib/utils/index.dart

@@ -26,3 +26,28 @@ PageResult<T> convertPageResponse<T>(
     'Expected a Map for page response conversion, but got ${data.runtimeType}',
   );
 }
+
+/// 将数字格式化为中文单位（万/亿）
+String formatChineseDecimal(num number, {int decimalPlaces = 2}) {
+  if (number < 10000) {
+    return number.toString();
+  } else if (number < 100000000) {
+    // 万单位
+    double result = number / 10000.0;
+    return '${_formatDecimal(result, decimalPlaces)}万';
+  } else {
+    // 亿单位
+    double result = number / 100000000.0;
+    return '${_formatDecimal(result, decimalPlaces)}亿';
+  }
+}
+
+String _formatDecimal(double number, int decimalPlaces) {
+  // 去除末尾的0和小数点
+  String formatted = number.toStringAsFixed(decimalPlaces);
+  if (formatted.contains('.')) {
+    formatted = formatted.replaceAll(RegExp(r'0*$'), '');
+    formatted = formatted.replaceAll(RegExp(r'\.$'), '');
+  }
+  return formatted;
+}