第一步:
我的电脑->属性->高级->环境变量
选择PATH,在其后面添加: 你的mysql bin文件夹的路径 (如:C:\Program Files\MySQL\MySQL Server 5.6\bin )
PATH=.......;C:\Program Files\MySQL\MySQL Server 5.6\bin
第二步:
安装目录下新建my.ini文件
==========================
[client]
default-character-set=utf8
[mysqld]
port=3306
basedir="E:/myfile/myjava/tools/mysql-5.7.22-winx64"
datadir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data"
tmpdir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data"
socket="E:/myfile/myjava/tools/mysql-5.7.22-winx64/mysql.sock"
log-error="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data/mysql_error.log"
#server_id = 2
#skip-locking
max_connections=100
table_open_cache=256
query_cache_size=1M
tmp_table_size=32M
thread_cache_size=8
default-storage-engine=MYISAM
innodb_data_home_dir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data/"
innodb_flush_log_at_trx_commit =1
innodb_log_buffer_size=128M
innodb_buffer_pool_size=128M
innodb_log_file_size=10M
innodb_thread_concurrency=16
innodb-autoextend-increment=1000
join_buffer_size = 128M
sort_buffer_size = 32M
read_rnd_buffer_size = 32M
max_allowed_packet = 32M
explicit_defaults_for_timestamp=true
sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
skip-grant-tables
============================
第三步:
在mysql根目录下新建data文件夹,安装前务必保证data为一个空文件夹
输入mysqld --initialize
接着输入mysqld --install
成功会显示Servers Successfully installed
控制台下输入net start mysql 启动mysql服务
第四步:
关掉Mysql。 2、运行 mysqld --skip-grant-tables 3、打开另一个命令窗口 运行mysql即可去修改密码
UPDATE user SET authentication_string=PASSWORD("root") where USER="root";
mysql -u root -p