FE.ES-了解JS数据本土化

相对时间本土化
支持 “second”, “minute”, “hour”, “day”, “week”, “month”, “quarter”, “year”
var rtf = new Intl.RelativeTimeFormat(‘zh-Hans-CN’,{numeric: “auto”});

rtf.format(-1, “day”);
//”昨天”

rtf.format(-2, “day”);
//”前天”
var rtf = new Intl.RelativeTimeFormat(“en”, { numeric: “auto” });
rtf.format(-1, “day”);
// “yesterday”
rtf.format(1, “day”);
//”tomorrow”
数字本土化
分组逗号分隔
(1234.2345).toLocaleString(‘en-US’,{useGrouping:true});
//”1,234.235″
科学计数保留位
(1234.2345).toLocaleString(‘zh-CN’, {style:’decimal’,maximumSignificantDigits:2});
//”1,200″
小数保留位
(1234.2345).toLocaleString(‘zh-CN’, { style: ‘decimal’,maximumFractionDigits:3});
//”1,234.235″
百分制
(1234.2345).toLocaleString(‘zh-CN’, { style: ‘percent’,maximumFractionDigits:2});
//”123,423.45%”
货币
(1234.23).toLocaleString(‘zh-CN’, { style: ‘currency’,currency:”CNY”,
currencyDisplay:”symbol”,
maximumFractionDigits:2});
//”￥1,234.23″
(1234.23).toLocaleString(‘zh-CN’, { style: ‘currency’,currency:”CNY”,
currencyDisplay:”code”,
maximumFractionDigits:2});
//”CNY 1,234.23″
(1234.23).toLocaleString(‘zh-CN’, { style: ‘currency’,currency:”CNY”,
currencyDisplay:”name”,
maximumFractionDigits:2});
//”1,234.23 人民币”
汉字
(1234567890).toLocaleString(‘zh-Hans-CN-u-nu-hanidec’,{useGrouping:false})
//”一二三四五六七八九〇”
(123456.0199).toLocaleString(‘zh-Hans-CN-u-nu-hanidec’)
//”一二三,四五六.〇二”
日期时间本土化
var date=new Date(Date.UTC(2012, 11, 20, 3, 0, 0))
Intl.DateTimeFormat(‘en-US’).format(date)//”12/20/2012″
Intl.DateTimeFormat(‘en-GB’).format(date)//”20/12/2012″
Intl.DateTimeFormat(‘ko-KR’).format(date)//”2012. 12. 19.”
Intl.DateTimeFormat(‘ar-EG’).format(date)//”١٩‏/١٢‏/٢٠١٢”
时间本土化
date.toLocaleTimeString(‘zh-Hans-CN’)
//”上午11:00:00″
日期本土化
date.toLocaleDateString(‘zh-Hans-CN’)
“2012/12/20″
Date.prototype.tiLiocaleString 配置项
date.toLocaleString(‘zh-Hans-CN’,{
year:”numeric”,
month:”2-digit”,
day:”2-digit”,
weekday:”long”,
hour:”2-digit”,
minute:”2-digit”,
second:”2-digit”,
hour12: false,
timeZone:”Asia/Shanghai”,
})
//”2012年12月20日星期四 11:00:00″
Intl格式化（含时区转换）
Intl.DateTimeFormat(‘zh-Hans-CN’,{
year:”numeric”,
month:”2-digit”,
day:”2-digit”,
hour:”2-digit”,
minute:”2-digit”,
second:”2-digit”,
hour12: false,
timeZone:”Asia/Shanghai”
}).format(date);
//”2012/12/20 11:00:00″
Intl格式化分片
Intl.DateTimeFormat(‘zh-Hans-CN’,{
year:”numeric”,
month:”2-digit”,
day:”2-digit”,
hour:”2-digit”,
minute:”2-digit”,
second:”2-digit”,
hour12: false,
timeZone:”Asia/Shanghai”,
}).formatToParts(date)
/*
0: {type: “year”, value: “2012”}
1: {type: “literal”, value: “/”}
2: {type: “month”, value: “12”}
3: {type: “literal”, value: “/”}
4: {type: “day”, value: “12”}
5: {type: “literal”, value: ” “}
6: {type: “hour”, value: “11”}
7: {type: “literal”, value: “:”}
8: {type: “minute”, value: “00”}
9: {type: “literal”, value: “:”}
10: {type: “second”, value: “00”}
*/
农历阳历转换
Intl.DateTimeFormat(‘zh-Hans-CN-u-ca-chinese’).format(date);
//”29/11/8″
//备注：农历壬辰年 十一月初八

zhMon=[‘ 甲乙丙丁戊己庚辛壬癸’,’ 子丑寅卯辰巳午未申酉戌亥’]
zhMon[0][29%10]+zhMon[1][29%12]//壬辰

date.toLocaleString(‘zh-Hans-CN-u-ca-chinese’)
//”29/11/8 上午11:00:00″
星期文案转换
(new Date(‘2001-01-01’)).toLocaleString(‘zh-Hans-CN’,{weekday:”long”})
//”星期一”
(new Date(‘2001-01-07’)).toLocaleString(‘zh-Hans-CN’,{weekday:”short”})
//”周日”