开发技术学习

java List 与以逗号分割String类型相互转换.

//java//将以逗号分割的字符串转换成List类型 String ids= "1,2,3,4,5,6"; ListidsList = Arrays.asList(ids.split(",")).stream().map(s -> Long.parseLong(s.trim())).collect(Collectors.toList()); //List转换成String两种方式 String idsString = StringUtils.join(idsList, ","); StringUtils.strip(idsList.toString(),"[]");...