java8List转String逗号分隔符java8List转String逗号分隔符String newStr = permissionList.stream().collect(Collectors.joining(",")); 版权声明：本文为xinpz原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/xinpz/article/details/106554217