建议你参考一下这篇文章的博客,或许对你有帮助:https://blog.csdn.net/u013758802/article/details/115372552?ops_request_misc=&request_id=&biz_id=102&utm_term=%E4%B8%BA%E4%BB%80%E4%B9%88%E6%AF%8F%E6%89%A7%E8%A1%8C%E4%B8%80%E6%AC%A1main%E6%96%B9%E6%B3%95%EF%BC%8Cidea%E9%9C%80%E8%A6%81%E9%87%8D%E6%96%B0%E9%85%8D%E7%BD%AEjdk%E5%92%8Cd&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-0-115372552.142^v32^pc_rank_34,185^v2^control&spm=1018.2226.3001.4187