全球语言标准码(ISO-639)

最近需要给账户标注语言实现多国语言推送的问题。上去先来一波，Chinese， English，顿时感觉这里哪里有点不对。平时看到的标注应该是zh_CN, en_US 之类的，上面的写法肯定太土，需要学习一下，学习之后发现语言是有专门的ISO标准的 ISO-639。 特此记录一下。

上述格式即为

(ISO-639 Language Code)_(ISO-3166 Country Codes)
      小写                     大写
zh_CN (中文 中国)
zh_TW (中文 台湾地区)

附上部分ISO639 语言标准表及ISO-3166 地区标准表
ISO639 语言标准表：

Language	ISO-639 Language Code
Albanian	sq
Amharic	am
Arabic	ar
Afar	aa
Armenian	hy
Aymara	ay
Assamese	as
Azerbaijani	az
Bashkir	ba
Basque	eu
Bengali (Bangla)	bn
Afrikaans	af
Bhutani	dz
Bihari	bh
Bislama	bi
Breton	br
Bulgarian	bg
Burmese	my
Byelorussian (Belarusian)	be
Cambodian	km
Catalan	ca
Chinese (Simplified)	zh
Chinese (Traditional)	zh
Corsican	co
Croatian	hr
Czech	cs
Danish	da
Dutch	nl
Esperanto	eo
English	en
Estonian	et
Faeroese	fo
Farsi	fa
Fiji	fj
Finnish	fi
Frisian	fy
Galician	gl
Gaelic (Scottish)	gd
Gaelic (Manx)	gv
Georgian	ka
Greek	el
German	de
Greenlandic	kl
Gujarati	gu
Hausa	ha
Hebrew	he
French	fr
Guarani	gn
Hindi	hi
Hungarian	hu
Icelandic	is
Indonesian	id
Interlingua	ia
Inuktitut	iu
Interlingue	ie
Inupiak	ik
Irish	ga
Italian	it
Japanese	ja
Javanese	ja
Kannada	kn
Kashmiri	ks
Kinyarwanda (Ruanda)	rw
Kirundi (Rundi)	rn
Kirghiz	ky
Korean	ko
Kurdish	ku
Laothian	lo
Latin	la
Latvian (Lettish)	lv
Limburgish (	Limburger)
Lingala	ln
Lithuanian	lt
Macedonian	mk
Malagasy	mg
Malay	ms
Malayalam	ml
Maltese	mt
Maori	mi
Marathi	mr
Moldavian	mo
Mongolian	mn
Nauru	na
Nepali	ne
Norwegian	no
Occitan	oc
Oriya	or
Oromo (Afan,	Galla)
Pashto (Pushto)	ps
Polish	pl
Portuguese	pt
Punjabi	pa
Quechua	qu
Rhaeto-Romance	rm
Romanian	ro
Russian	ru
Samoan	sm
Sangro	sg
Sanskrit	sa
Serbian	sr
Serbo-Croatian	sh
Sesotho	st
Setswana	tn
Shona	sn
Sindhi	sd
Sinhalese	si
Siswati	ss
Slovak	sk
Slovenian	sl
Somali	so
Spanish	es
Sundanese	su
Swahili (Kiswahili)	sw
Swedish	sv
Tagalog	tl
Tajik	tg
Tamil	ta
Tatar	tt
Telugu	te
Thai	th
Tibetan	bo
Tigrinya	ti
Tonga	to
Tsonga	ts
Turkish	tr
Turkmen	tk
Twi	tw
Uighur	ug
Ukrainian	uk
Urdu	ur
Uzbek	uz
Vietnamese	vi
Volapük	vo
Wolof	wo
Welsh	cy
Xhosa	xh
Yiddish	yi
Yoruba	yo
Zulu	zu
Kazakh	kk

ISO-3166 Country标准表：

country	ISO-3166 Country Code
ALGERIA	DZ
AFGHANISTAN	AF
AMERICAN SAMOA	AS
ANDORRA	AD
ANTARCTICA	AQ
ALBANIA	AL
ANTIGUA AND BARBUDA	AG
ARGENTINA	AR
ARMENIA	AM
ARUBA	AW
AUSTRALIA	AU
AUSTRIA	AT
AZERBAIJAN	AZ
BAHAMAS	BS
BANGLADESH	BD
BARBADOS	BB
BELARUS	BY
BELGIUM	BE
BELIZE	BZ
BAHRAIN	BH
BENIN	BJ
BERMUDA	BM
BHUTAN	BT
BOSNIA AND HERZEGOVINA	BA
BOTSWANA	BW
BOLIVIA	BO
BOUVET ISLAND	BV
BRAZIL	BR
BRITISH INDIAN OCEAN TERRITORY	IO
BULGARIA	BG
BRUNEI DARUSSALAM	BN
BURKINA FASO	BF
BURUNDI	BI
CAMBODIA	KH
CAMEROON	CM
CANADA	CA
CAYMAN ISLANDS	KY
CENTRAL AFRICAN REPUBLIC	CF
CHAD	TD
CAPE VERDE	CV
CHINA	CN
CHRISTMAS ISLAND	CX
COCOS (KEELING) ISLANDS	CC
COLOMBIA	CO
COMOROS	KM
CONGO	CG
CONGO, THE DEMOCRATIC REPUBLIC OF THE	CD
COOK ISLANDS	CK
COSTA RICA	CR
CÔTE D’IVOIRE	CI
CROATIA	HR
CUBA	CU
CHILE	CL
CYPRUS	CY
CZECH REPUBLIC	CZ
DOMINICA	DM
DJIBOUTI	DJ
DOMINICAN REPUBLIC	DO
ECUADOR	EC
EGYPT	EG
DENMARK	DK
EL SALVADOR	SV
EQUATORIAL GUINEA	GQ
ESTONIA	EE
ETHIOPIA	ET
FALKLAND ISLANDS (MALVINAS)	FK
ANGOLA	AO
ERITREA	ER
FAROE ISLANDS	FO
FRANCE	FR
FRENCH GUIANA	GF
FRENCH POLYNESIA	PF
FRENCH SOUTHERN TERRITORIES	TF
GABON	GA
GAMBIA	GM
GEORGIA	GE
GERMANY	DE
GREECE	GR
GIBRALTAR	GI
GHANA	GH
GREENLAND	GL
GRENADA	GD
GUAM	GU
GUADELOUPE	GP
GUATEMALA	GT
GUINEA	GN
GUYANA	GY
HAITI	HT
GUINEA-BISSAU	GW
HONDURAS	HN
HEARD ISLAND AND MCDONALD ISLANDS	HM
HONG KONG	HK
HUNGARY	HU
ICELAND	IS
INDIA	IN
INDONESIA	ID
IRAN, ISLAMIC REPUBLIC OF	IR
FINLAND	FI
IRAQ	IQ
IRELAND	IE
ISRAEL	IL
JAMAICA	JM
JAPAN	JP
ITALY	IT
JORDAN	JO
KAZAKHSTAN	KZ
FIJI	FJ
KENYA	KE
KIRIBATI	KI
KOREA, DEMOCRATIC PEOPLE’S REPUBLIC OF	KP
KOREA, REPUBLIC OF	KR
KUWAIT	KW
LAO PEOPLE’S DEMOCRATIC REPUBLIC	LA
LATVIA	LV
LEBANON	LB
KYRGYZSTAN	KG
LESOTHO	LS
LIECHTENSTEIN	LI
LIBYAN ARAB JAMAHIRIYA	LY
LITHUANIA	LT
LUXEMBOURG	LU
MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF	MK
MALAWI	MW
LIBERIA	LR
MALDIVES	MV
MALAYSIA	MY
MALTA	MT
MARSHALL ISLANDS	MH
MACAO	MO
MARTINIQUE	MQ
MAURITIUS	MU
MAYOTTE	YT
MAURITANIA	MR
MALI	ML
MADAGASCAR	MG
MEXICO	MX
MICRONESIA, FEDERATED STATES OF	FM
MOLDOVA, REPUBLIC OF	MD
MONACO	MD
MONGOLIA	MN
MONTSERRAT	MS
MOZAMBIQUE	MZ
MYANMAR	MM
MOROCCO	MA
NAMIBIA	NA
NEPAL	NP
NETHERLANDS ANTILLES	AN
NETHERLANDS	NL
NEW CALEDONIA	NC
NEW ZEALAND	NZ
NICARAGUA	NI
NIGER	NE
NIGERIA	NG
NIUE	NU
NORFOLK ISLAND	NF
NORTHERN MARIANA ISLANDS	MP
NORWAY	NO
OMAN	OM
PAKISTAN	PK
PALAU	PW
NAURU	NR
PALESTINIAN TERRITORY, OCCUPIED	PS
PAPUA NEW GUINEA	PG
PARAGUAY	PY
PERU	PE
PHILIPPINES	PH
PITCAIRN	PN
POLAND	PL
PUERTO RICO	PR
QATAR	QA
RÉUNION	RE
ROMANIA	RO
RUSSIAN FEDERATION	RU
RWANDA	RW
SAINT HELENA	SH
PANAMA	PA
SAINT KITTS AND NEVIS	KN
SAINT LUCIA	LC
SAINT PIERRE AND MIQUELON	PM
SAINT VINCENT AND THE GRENADINES	VC
SAMOA	WS
SAO TOME AND PRINCIPE	ST
SAN MARINO	SM
SAUDI ARABIA	SA
SENEGAL	SN
SERBIA AND MONTENEGRO	CS
SEYCHELLES	SC
SIERRA LEONE	SL
SINGAPORE	SG
SLOVAKIA	SK
SLOVENIA	SI
SOLOMON ISLANDS	SB
SOMALIA	SO
SOUTH AFRICA	ZA
SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS	GS
SPAIN	ES
SRI LANKA	LK
SURINAME	SR
SVALBARD AND JAN MAYEN	SJ
SWAZILAND	SZ
SUDAN	SD
SWEDEN	SE
SYRIAN ARAB REPUBLIC	SY
SWITZERLAND	CH
TAIWAN, PROVINCE OF CHINA	TW
TAJIKISTAN	TJ
TANZANIA, UNITED REPUBLIC OF	TZ
TIMOR-LESTE	TL
TOGO	TG
THAILAND	TH
TONGA	TO
TOKELAU	TK
TUNISIA	TN
TURKEY	TR
TURKMENISTAN	TM
TURKS AND CAICOS ISLANDS	TC
TUVALU	TV
TRINIDAD AND TOBAGO	TT
UKRAINE	UA
UNITED ARAB EMIRATES	AE
UNITED STATES	US
UNITED KINGDOM	GB
URUGUAY	UY
UZBEKISTAN	UZ
UNITED STATES MINOR OUTLYING ISLANDS	UM
VANUATU	VU
VENEZUELA	VE
VIET NAM	VN
VIRGIN ISLANDS, BRITISH	VG
VIRGIN ISLANDS, U.S.	VI
WALLIS AND FUTUNA	WF
WESTERN SAHARA	EH
YEMEN	YE
UGANDA	UG
ZIMBABWE	ZW
ZAMBIA	ZM