fix: 利润趋势更改为收入-支出

gongchunyi

2026-02-13 f70bc98067b3051c83f52325c1b24b47c06b7c67

 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();
    }
}