摘要：
declare @s varchar(50)set @s='abc123汉字abc123汉字'select PATINDEX('%[吖-座]%',@s) as [index],left(@s,PATINDEX('%[吖-座]%',@s)-1) as s1,stuff(@s,1,PATINDEX('% 阅读全文
摘要：
Map<String, Long> areaCount = all.stream().collect(Collectors.groupingBy(CustomerPosition::getAreaCode, Collectors.counting()));//每个区域空闲位置 import com. 阅读全文