wget http://tianyunperfect.oss-cn-hongkong.aliyuncs.com/file/jdk/8/jdk-8u261-linux-x64.tar.gz
sudo tar -zxvf jdk-8u261-linux-x64.tar.gz -C /usr/local/
rm -f ./jdk-8u261-linux-x64.tar.gz

echo 正在配置环境变量
sudo bash -c 'cat >> /etc/profile << \EOF
# JAVA
JAVA_HOME=/usr/local/jdk1.8.0_261
PATH=$JAVA_HOME/bin:$PATH
export JAVA_HOME PATH
EOF'

# 环境变量
source /etc/profile && echo "JAVA_HOME: "$JAVA_HOME && java -version