list 转 string 以逗号隔开 互转

System.out.println(String.join(",",deptNameList));
System.out.println(CollectionUtil.join(deptNameList, ","));
//ArrayUtil 得要这种格式String[]

System.out.println(ArrayUtil.join(deptNameList, ","));
System.out.println(CollUtil.join(deptNameList, ","));


str 转 list

//ArrayUtil 得要这种格式String[]

Arrays.asList(）

List<String> split = StrUtil.split(entity.getOrderListStr(), ",");