看看这个https://blog.csdn.net/weixin_42510222/article/details/114049174?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166201775916781647559623%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=166201775916781647559623&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-114049174-null-null.nonecase&utm_term=java%E5%AE%9E%E7%8E%B0work%E6%96%87%E4%BB%B6%E7%9B%96%E7%AB%A0%E6%9C%89%E5%AE%9E%E7%8E%B0%E6%96%B9%E5%BC%8F%E5%90%97&spm=1018.2226.3001.4450