stringids=“1,2,3”//方法一listintegerlist1=arrays.as list (ids.split ),',').stream ).map ) s-integer list1. foreach (system.out :3360 println; system.out.println-------------- -分割线//方法2 listintegerlist3=arrays.stream (ids.split )、'和' ' for (集成器3360 list3) system.out.println (集成器); }打印输出