今天犯的一个低级错误

今天发现了Bug,看下日志,应该是某个逻辑一直没进,看下代码:

String[] supportCenters = FrmConstants.SUPPORT_CENTERS.split(",");
        boolean flag = false;
        if (null != supportCenters && supportCenters.length > 0) {
            for (String center : supportCenters) {
                // upContentTypeLable.getOwnCorpOrgId()返回的为Long类型,下面这句有问题
                if (null != center && null != upContentTypeLable
                        && center.equals(upContentTypeLable.getOwnCorpOrgId())) {
                    flag = true;
                    break;
                }
            }
        }                                             

标红的这句话,判断存在问题。一个小疏忽浪费了不少时间。看下String.equals的源代码:

 public boolean equals(Object anObject) {
        if (this == anObject) {
            return true;
        }
        if (anObject instanceof String) {
            String anotherString = (String)anObject;
            int n = value.length;
            if (n == anotherString.value.length) {
                char v1[] = value;
                char v2[] = anotherString.value;
                int i = 0;
                while (n-- != 0) {
                    if (v1[i] != v2[i])
                        return false;
                    i++;
                }
                return true;
            }
        }
        return false;
    }

  很明显是绝对返回false的,以此记录,希望以后不要范这种低级错误了。

原文地址:https://www.cnblogs.com/toSeeMyDream/p/8610149.html