#!/bin/bash 

function display_method(){

	clearDisplayMetho=0

	if [ $displayMethod -eq 0 ]; then

		echo -e "\033[${color};${backgroup_color}m ${message} \033[${clearDisplayMetho}m"

	else

		echo -e "\033[${color};${backgroup_color};${displayMethod}m ${message} \033[${clearDisplayMetho}m"

	fi

}

function echo_color() {

	#displayMethodArr:

	#	0 终端默认设置

	#	1 高亮显示

	#	4 使用下划线

	#	5 闪烁

	#	7 反白显示

	#	8 不可见

	msg="Example: echo_color {red|green|yellow|blue|fuchsia|cyan|white} string [{0|1|4|5|7|8}]"

	if [[ -z $2 && $1 ]]; then

		echo_color red $msg

	fi

	displayMethodArr=[0,1,4,5,7,8]

	if [ ! -z $3 ]; then

		echo "${displayMethodArr[@]}"|grep -wq $3&& displayMethod=$3 || displayMethod=0

	else

		displayMethod=0

	fi

	red=31

	green=32

	yellow=33

	blue=34

	fuchsia=35

	cyan=36

	white=37

	backgroup_color=40

	message=$2

	color=`eval echo '$'"${1}"`

	# echo 'color' ${color}

    case $1 in

	red)

		display_method ${color} ${backgroup_color} ${message}

		;;

	green)

		display_method ${color} ${backgroup_color} ${message}

		;;

	yellow)

		display_method ${color} ${backgroup_color} ${message}

		;;

	blue)

		display_method ${color} ${backgroup_color} ${message}

		;;

	fuchsia)

		display_method ${color} ${backgroup_color} ${message}

		;;

	cyan)

		display_method ${color} ${backgroup_color} ${message}

		;;

	white)

		display_method ${color} ${backgroup_color} ${message}

		;;

	*)

		echo_color red $msg

	esac

}

IFS_OLD=$IFS  #?当前值保存

IFS=$'\n'

echo_color $1 $2 $3

IFS=$IFS_OLD  #恢?之前保存的值