在我的絕版Mac mini下安裝了mysql 5.7版本，實例中，在通過load data 導入數據時發現表中的中文顯示為 ？

通過百度，發現多個版本的解決方法，將其中一個成功解決的方法貼上來：

大多方法都是這樣：需要到/usr/local/mysql/support-files目錄下將Mac上的mysql配置文件模板my-default.cnf拷貝到/etc下並重命名為my.cnf

但是我的support-files目錄下也不存在my.cnf文件，所以只能在終端重新創建了：

打開終端，輸入：

cd /etc

sudo vim my.cnf

在vim模式下，復制粘貼以下代碼：

# Example MySQL config file for small systems.  
# 
# This is for a system with little memory (<= 64M) where MySQL is only used  
# from time to time and it‘s important that the mysqld daemon  
# doesn‘t use much resources.  
#  
# MySQL programs look for option files in a set of  
# locations which depend on the deployment platform.  
# You can copy this option file to one of those  
# locations. For information about these locations, see:  
# http://dev.mysql.com/doc/mysql/en/option-files.html  
#  
# In this file, you can use all long options that a program supports.  
# If you want to know which options a program supports, run the program  
# with the "--help" option.  
# The following options will be passed to all MySQL clients  
[client]  
default-character-set=utf8  
#password   = your_password  
port        = 3306 
socket      = /tmp/mysql.sock  
# Here follows entries for some specific programs  
# The MySQL server   
[mysqld]  
default-storage-engine=INNODB  
character-set-server=utf8  
collation-server=utf8_general_ci  
port        = 3306 
socket      = /tmp/mysql.sock  
skip-external-locking  
key_buffer_size = 16K  
max_allowed_packet = 1M  
table_open_cache = 4 
sort_buffer_size = 64K  
read_buffer_size = 256K  
read_rnd_buffer_size = 256K  
net_buffer_length = 2K  
thread_stack = 128K  
# Don‘t listen on a TCP/IP port at all. This can be a security enhancement,  
# if all processes that need to connect to mysqld run on the same host.  
# All interaction with mysqld must be made via Unix sockets or named pipes.  
# Note that using this option without enabling named pipes on Windows  
# (using the "enable-named-pipe" option) will render mysqld useless!  
#   
#skip-networking  
server-id   = 1 
# Uncomment the following if you want to log updates  
#log-bin=mysql-bin  
# binary logging format - mixed recommended  
#binlog_format=mixed  
# Causes updates to non-transactional engines using statement format to be  
# written directly to binary log. Before using this option make sure that  
# there are no dependencies between transactional and non-transactional  
# tables such as in the statement INSERT INTO t_myisam SELECT * FROM  
# t_innodb; otherwise, slaves may diverge from the master.  
#binlog_direct_non_transactional_updates=TRUE  
# Uncomment the following if you are using InnoDB tables  
#innodb_data_home_dir = /usr/local/mysql/data  
#innodb_data_file_path = ibdata1:10M:autoextend  
#innodb_log_group_home_dir = /usr/local/mysql/data  
# You can set .._buffer_pool_size up to 50 - 80 %  
# of RAM but beware of setting memory usage too high  
#innodb_buffer_pool_size = 16M  
#innodb_additional_mem_pool_size = 2M  
# Set .._log_file_size to 25 % of buffer pool size  
#innodb_log_file_size = 5M  
#innodb_log_buffer_size = 8M  
#innodb_flush_log_at_trx_commit = 1 
#innodb_lock_wait_timeout = 50 
[mysqldump]  
quick  
max_allowed_packet = 16M  
[mysql]  
no-auto-rehash  
# Remove the next comment character if you are not familiar with SQL  
#safe-updates  
[myisamchk]  
key_buffer_size = 8M  
sort_buffer_size = 8M  
[mysqlhotcopy]  
interactive-timeout

關鍵是在[mysqld]下的這幾句：

default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci

粘貼完成，檢查首行是否漏掉了 #

檢查無誤按 ESC退出編輯，輸入 :wq! 回車退出vim模式

重啟mysql即可

mysql for Mac 下創建數據表中文顯示為？的解決方法