mac找不到mysql

vim .bash_profile

export PATH=$PATH:/usr/local/mysql/bin

source .bash_profile

$   ln: -s /usr/local/mysql/bin/mysql /usr/bin

$   sudo ln -s /usr/local/mysql/bin/mysql /usr/bin

$    alias mysql= /usr/local/mysql/bin/mysql

$    sudo su

$    cd /usr/local/mysql/bin

$    ./mysqld_safe --skip-grant-tables --skip-networking &

$  cd /usr/local/mysql/bin/

$ mysql -u root

mysql> UPDATE mysql.user SET password=PASSWORD(’新密码’) WHERE User=’root’;

mysql> UPDATE mysql.user SET authentication_string=PASSWORD(’新密码’) WHERE User=’root’;