openjdk-7-jdk_7u181-2.6.14-1~deb8u1_amd64
1.将上述网盘中的三份文件下载至win10硬盘中,如G:\BaiduNetdiskDownload\openjdk7
2、打开ubuntu18.04终端界面进入/mnt/g/BaiduNetdiskDownload\openjdk7,执行
由于子系统精简严重,许多依赖于未安装。上述指令报错后,可执行以下指令
(不建议单个安装,太慢,单个安装说明:sudo apt-get install libgif4)
3.如果你不能下载旧的依赖,你可以使用以下来源
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse # 这是旧的依赖 deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main
4.添加上述最后一个源后,执行sudo apt-cache search openjdk时,发现了openjdk7下载目标,没有尝试下载,因为我已经安装了上述步骤