fix: 修改新增绑定逻辑，避免重复绑定产品

yuan

2026-07-15 07496adb3a0c61e48c660e0cb4ee95d44782f05d

 src/main/java/com/ruoyi/framework/web/domain/R.java

@@ -102,4 +102,14 @@
    {
        this.data = data;
    }

    public static <T> Boolean isError(R<T> ret)
    {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret)
    {
        return R.SUCCESS == ret.getCode();
    }
}