一对多两个表的数据进行 查找二表对应一表的多条数据后 将两个表进行封装一个list

public List getRuleAndKeyWord(Integer wechatId) {
    List ruleAndKeyList = new ArrayList();
    Integer ruleid = null;
    String ruleName = null;
    String keyword = null;

    List<WechatRule> wechatRuleList = wechatRuleMapper.findByWechatId(wechatId);
    for (WechatRule wechatRule : wechatRuleList){
        List list = new ArrayList();
        ruleid = wechatRule.getRuleId();
        ruleName = wechatRule.getRuleName();
        list.add(ruleid);
        list.add(ruleName);

    List<WechatRuleKey> wechatRuleKeyList = wechatRuleKeyMapper.queryByRuleId(ruleid);
    for (WechatRuleKey wechatRuleKey:wechatRuleKeyList){
        keyword = wechatRuleKey.getKeyword();
        list.add(keyword);
    }
        ruleAndKeyList.add(list);
    }
    return ruleAndKeyList;
}

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转载自blog.csdn.net/u010591939/article/details/46805919