wget --no-check-certificate --no-cookies
--header "Cookie: oraclelicense=accept-securebackup-cookie"
https://download.oracle.com/otn/java/jdk/8u251-b08/3d5a2bb8f8d4428bbe94aed7ec7ae784/jdk-8u251-linux-x64.tar.gz?AuthParam=1589263460_2eacba391efd2ecdc4bb8160d80f8d86
--2020-05-12 14:02:56--
https://download.oracle.com/otn/java/jdk/8u251-b08/3d5a2bb8f8d4428bbe94aed7ec7ae784/jdk-8u251-linux-x64.tar.gz?AuthParam=1589263460_2eacba391efd2ecdc4bb8160d80f8d86
# --no-check-certificate --no-cookies --header ...."表示忽略权限验证
#后面的一串链接地址时从oracle官网复制下来的,不过需要登录,这个地址时实际下载时的地址
[root@ylxqc training]# mv jdk-8u251-linux-x64.tar.gz\?AuthParam\=1589263460_2eacba391efd2ecdc4bb8160d80f8d86
jdk-8u251-linux-x64.tar.gz
#将文件重命名即可使用