[转] mysql --prompt介绍

最新推荐文章于 2025-08-22 11:10:38 发布

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最新推荐文章于 2025-08-22 11:10:38 发布

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文章标签：数据库 shell

本文介绍如何使用MySQL命令行客户端，并通过--prompt参数自定义连接时显示的提示符。示例展示了如何通过shell脚本实现这一功能，同时列出可用的提示符选项。

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mysql --prompt修改命令行链接mysql时的提示符，shell脚本示例如下

#!/bin/bash

case $1 in
    crm) cmd='mysql  -h192.168.1.2 -uroot -proot -P3306 -Dcrm'
;;
*)
    echo "数据库变量不存在:$1 仅支持输入 crm"
    exit 0
;;
esac
shift 1
$cmd --prompt="[\u@\h:\p(\d) \R:\m:\s] mysql>" --default-character-set=utf8 -A "$@"

在命令行输入 db crm 执行效果如下

liuzhao ~ $ db crm
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 54706839
Server version: 5.5.40-36.1-log Percona Server (GPL), Release 36.1, Revision 707

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

[root@192.168.1.2:3306(crm) 16:59:15] mysql>

--prompt选项列表，示例脚本中用到的选项已经标红

`\c`	A counter that increments for each statement you issue
`\D`	当前日期
`\d`	当前数据库
`\h`	数据库主机
`\l`	The current delimiter (new in 5.1.12)
`\m`	当前时间（分）
`\n`	A newline character
`\O`	The current month in three-letter format (Jan, Feb, …)
`\o`	The current month in numeric format
`\P`	am/pm
`\p`	The current TCP/IP port or socket file 端口号
`\R`	当前时间（小时）(0–23)
`\r`	当前时间（小时）(1–12)
`\S`	Semicolon
`\s`	当前时间（秒）
`\t`	A tab character
`\U`	Your full `user_name@host_name` account name
`\u`	数据库用户名
`\v`	The server version
`\w`	The current day of the week in three-letter format (Mon, Tue, …)
`\Y`	The current year, four digits
`\y`	The current year, two digits
`\_`	A space
`\`	A space (a space follows the backslash)
`\'`	Single quote
`\"`	Double quote
`\\`	A literal “`\`” backslash character
`\x`	`x`, for any “`x`” not listed above