1.需自備mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz或者其他版本的原始碼包
2.需修改指令碼頭部SOURCE_GZ_FILE變數路徑
3.指令碼程式碼：

#!/bin/bash

# 安裝mysql，使用指令碼前請修改原始碼包在檔案系統中的路徑
# author:ltaoj
# date:2018/04/21

SOURCE_GZ_FILE="/home/ltaoj/Downloads/mysql-5.6.36-linux-glibc2.5-x86_64.tar.gz"
INSTALL_DIR="/usr/local/mysql"

# 判斷mysql是否安裝
echo "檢查mysql是否安裝"
 

mysql -version > /dev/null 2>&1

if [ $? -eq 127 ];then
    echo "沒有安裝mysql!"
    if [ ! -f ${SOURCE_GZ_FILE} ];then
        echo "${SOURCE_GZ_FILE}檔案不存在!"
        exit 1
    fi
    # 如果INSTALL_DIR目錄已經存在，那麼則刪除
    if [ -d ${INSTALL_DIR} ];then
        echo "安裝目錄已存在，正在刪除${INSTALL_DIR}..."
        sudo
 
 rm -rf ${INSTALL_DIR}
    fi
    echo "建立安裝目錄${INSTALL_DIR}..."
    sudo mkdir ${INSTALL_DIR}
    echo "解壓${SOURCE_GZ_FILE}到安裝目錄${INSTALL_DIR}..."
    sudo tar -xzf ${SOURCE_GZ_FILE} -C ${INSTALL_DIR}
    TEMP=`ls ${INSTALL_DIR}`
    sudo cp -R -t ${INSTALL_DIR} ${INSTALL_DIR}/${TEMP}/*
    sudo rm -rf ${INSTALL_DIR}
 
/${TEMP}
    echo "解壓完畢!"
    echo "新增mysql使用者組、使用者..."
    sudo groupadd mysql
    sudo useradd -g mysql mysql
    echo "開始安裝..."
    cd ${INSTALL_DIR} && pwd
    sudo mkdir data/mysql
    sudo chown -R mysql:mysql ${INSTALL_DIR}
    sudo ./scripts/mysql_install_db --user=mysql --basedir=${INSTALL_DIR} --datadir=${INSTALL_DIR}/data/mysql
    sudo cp support-files/mysql.server /etc/init.d/mysql
    sudo chmod 755 /etc/init.d/mysql
    sudo cp support-files/my-default.cnf /etc/my.cnf
    echo "請修改/etc/init.d/mysql檔案"
    echo "basedir=${INSTALL_DIR}/"
    echo "datadir=${INSTALL_DIR}/data/mysql"
    echo "按Enter鍵確認..."
    read -n 1
    sudo vim /etc/init.d/mysql
    echo "請修改/etc/profile檔案，新增mysql環境變數"
    echo '檔案末尾追加export PATH=${PATH}:'${INSTALL_DIR}/bin
    echo "按Enter鍵確認..."
    read -n 1
    sudo vim /etc/profile   
    source /etc/profile
    sudo echo "安裝成功!啟動mysql服務..."
    sudo systemctl enable mysql
    sudo service mysql start
    echo "請修改mysql -> root密碼..."
    echo "請輸入密碼："
    read mysql_pwd
    sudo mysqladmin -u root password ${mysql_pwd}


else
    echo "Mysql已安裝!"
    mysql -version
fi