颜色转换

commons/basic/src/main/ets/utils/ChangeUtil.ets

@@ -181,4 +181,12 @@ export class ChangeUtil {
     }
     return length as number; // 已经是数值类型
   }
+
+  // 将HEX颜色转换为RGBA格式
+  static hexToRgba (hex: string, alpha: number) : string | ResourceStr {
+    const r = parseInt(hex.slice(1, 3), 16);
+    const g = parseInt(hex.slice(3, 5), 16);
+    const b = parseInt(hex.slice(5, 7), 16);
+    return `rgba(${r}, ${g}, ${b}, ${alpha})`;
+  };
 }