fix(staff): 解决导出数据列数不一致问题

buhuazhen

2026-03-20 8ee97852627cc8d0f505f03567e1f29d67e175f3

 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();
    }
}