spring boot 返回数据类型

@SelectProvider(type = AcctBookDetailProvider.class , method = "queryArrearsByParam")

List<Map<String, Object>> queryArrearsByParam(AcctBookDetailBeanEvt evt);


根据sql语句的别名来的,有下划线的后一字母大写。无下划线全部小写,以小写显示

for (int i = 0; i < queryArrearsByParam.size(); i++) {
Map<String, Object> map = queryArrearsByParam.get(i);
Double sumAMoney = (Double)map.get("sumamoney");
Double value = sumAMoney -queryNotSellByParam;//余额数量
map.replace("sumamoney", value);
}


根据返回的数据进行对数据的修改

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转载自blog.csdn.net/qq_41875147/article/details/80050469