export function toDecimal(num: number = 0) {
|
const sign = num == (num = Math.abs(num));
|
num = Math.floor(num * 100 + 0.50000000001);
|
const cents = num % 100;
|
let value: string = Math.floor(num / 100).toString();
|
const centsStr: string = cents < 10 ? `0${cents}` : cents.toString();
|
for (let i = 0; i < Math.floor((value.length - (1 + i)) / 3); i++)
|
value = `${value.slice(0, Math.max(0, value.length - (4 * i + 3)))}${value.slice(
|
Math.max(0, value.length - (4 * i + 3)),
|
)}`;
|
return `${(sign ? '' : '-') + value}.${centsStr}`;
|
}
|
export function toFileSize(size) {
|
if (size == null || size == '') return '';
|
if (size < 1024) return `${toDecimal(size)} 字节`;
|
else if (size >= 1024 && size < 1048576)
|
return `${toDecimal(size / 1024)} KB`;
|
else if (size >= 1048576 && size < 1073741824)
|
return `${toDecimal(size / 1024 / 1024)} MB`;
|
else if (size >= 1073741824)
|
return `${toDecimal(size / 1024 / 1024 / 1024)} GB`;
|
}
|
/**
|
* 金额转中文
|
* 思路：
|
* 个
|
* 十 百 千 万
|
* 十万 百万 千万 亿
|
* 十亿 百亿 千亿
|
*
|
* 1
|
* 2 3 4 5
|
* 6 7 8 9
|
* 10
|
*
|
* 计算步骤
|
* 1. 获取当前数值大小
|
* 2. 排除个位后 数值按个，十，百，千有规律的重复 所以计算其和4的余数 pos % 4
|
* 3. pos = 0 ~ 3 没有最大单位
|
* pos = 4 ~ 7 最大单位是万
|
* pos = 8 ~ 11 最大单位是亿
|
* pos / 4 的整数就是最大单位
|
*
|
*/
|
export function getAmountChinese(val) {
|
if (!val && val !== 0) return '';
|
if (val == 0) return '零元整';
|
const regExp = /[a-z]/i;
|
if (regExp.test(val)) return '数字较大溢出';
|
let amount = +val;
|
if (Number.isNaN(amount)) return '';
|
if (amount < 0) amount = Number(amount.toString().split('-')[1]);
|
const NUMBER = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
|
const N_UNIT1 = ['', '拾', '佰', '仟'];
|
const N_UNIT2 = ['', '万', '亿', '兆'];
|
const D_UNIT = ['角', '分', '厘', '毫'];
|
const [integer, decimal] = amount.toString().split('.');
|
if (integer && (integer.length > 15 || integer.includes('e')))
|
return '数字较大溢出';
|
let res = '';
|
// 整数部分
|
if (integer) {
|
let zeroCount = 0;
|
for (let i = 0, len = integer.length; i < len; i++) {
|
const num = integer.charAt(i);
|
const pos = len - i - 1; // 排除个位后 所处的索引位置
|
const q = pos / 4;
|
const m = pos % 4;
|
if (num === '0') {
|
zeroCount++;
|
} else {
|
if (zeroCount > 0 && m !== 3) res += NUMBER[0];
|
zeroCount = 0;
|
res += (NUMBER[Number.parseInt(num)] as any) + N_UNIT1[m];
|
}
|
if (m == 0 && zeroCount < 4) res += N_UNIT2[Math.floor(q)];
|
}
|
}
|
if (Number(integer) != 0) res += '元';
|
// 小数部分
|
if (Number.parseInt(decimal as string)) {
|
for (let i = 0; i < 4; i++) {
|
const num = (decimal as string).charAt(i);
|
if (Number.parseInt(num)) res += NUMBER[num] + D_UNIT[i];
|
}
|
} else {
|
res += '整';
|
}
|
if (val < 0) res = `负数${res}`;
|
return res;
|
}
|
// 转千位分隔
|
export function thousandsFormat(num) {
|
if (num === 0) return '0';
|
if (!num) return '';
|
const numArr = num.toString().split('.');
|
numArr[0] = numArr[0].replaceAll(/\B(?=(\d{3})+(?!\d))/g, ',');
|
return numArr.join('.');
|
}
|
export function getTimeUnit(key) {
|
if (key == 1) return 'year';
|
if (key == 2) return 'month';
|
if (key == 3) return 'day';
|
if (key == 4) return 'hour';
|
if (key == 5) return 'minute';
|
if (key == 6) return 'second';
|
return 'day';
|
}
|
export function getDateFormat(format) {
|
if (!format) return 'YYYY-MM-DD HH:mm:ss';
|
const formatObj = {
|
yyyy: 'YYYY',
|
YYYY: 'YYYY',
|
'yyyy-MM': 'YYYY-MM',
|
'YYYY-MM': 'YYYY-MM',
|
'yyyy-MM-dd': 'YYYY-MM-DD',
|
'YYYY-MM-DD': 'YYYY-MM-DD',
|
'yyyy-MM-dd HH:mm': 'YYYY-MM-DD HH:mm',
|
'YYYY-MM-DD HH:mm': 'YYYY-MM-DD HH:mm',
|
'yyyy-MM-dd HH:mm:ss': 'YYYY-MM-DD HH:mm:ss',
|
'YYYY-MM-DD HH:mm:ss': 'YYYY-MM-DD HH:mm:ss',
|
};
|
return formatObj[format] || 'YYYY-MM-DD HH:mm:ss';
|
}
|
export function getDateTimeUnit(format) {
|
if (format == 'YYYY' || format == 'yyyy') return 'year';
|
if (format == 'YYYY-MM' || format == 'yyyy-MM') return 'month';
|
if (format == 'YYYY-MM-DD' || format == 'yyyy-MM-dd') return 'day';
|
if (format == 'YYYY-MM-DD HH:mm' || format == 'yyyy-MM-dd HH:mm')
|
return 'minute';
|
if (format == 'YYYY-MM-DD HH:mm:ss' || format == 'yyyy-MM-dd HH:mm:ss')
|
return 'second';
|
return 'day';
|
}
|
export function toDateText(dateTimeStamp) {
|
if (!dateTimeStamp) return '';
|
let result = '';
|
const minute = 1000 * 60; // 把分，时，天，周，半个月，一个月用毫秒表示
|
const hour = minute * 60;
|
const day = hour * 24;
|
const week = day * 7;
|
// let halfAMonth = day * 15;
|
const month = day * 30;
|
const now = Date.now(); // 获取当前时间毫秒
|
const diffValue = now - dateTimeStamp; // 时间差
|
if (diffValue < 0) return '刚刚';
|
const minC = diffValue / minute; // 计算时间差的分，时，天，周，月
|
const hourC = diffValue / hour;
|
const dayC = diffValue / day;
|
const weekC = diffValue / week;
|
const monthC = diffValue / month;
|
if (monthC >= 1 && monthC <= 3) {
|
result = ` ${Number.parseInt(monthC.toString())}月前`;
|
} else if (weekC >= 1 && weekC <= 3) {
|
result = ` ${Number.parseInt(weekC.toString())}周前`;
|
} else if (dayC >= 1 && dayC <= 6) {
|
result = ` ${Number.parseInt(dayC.toString())}天前`;
|
} else if (hourC >= 1 && hourC <= 23) {
|
result = ` ${Number.parseInt(hourC.toString())}小时前`;
|
} else if (minC >= 1 && minC <= 59) {
|
result = ` ${Number.parseInt(minC.toString())}分钟前`;
|
} else if (diffValue >= 0 && diffValue <= minute) {
|
result = '刚刚';
|
} else {
|
const datetime = new Date();
|
datetime.setTime(dateTimeStamp);
|
const nYear = datetime.getFullYear();
|
const nMonth =
|
datetime.getMonth() + 1 < 10
|
? `0${datetime.getMonth() + 1}`
|
: datetime.getMonth() + 1;
|
const nDate =
|
datetime.getDate() < 10 ? `0${datetime.getDate()}` : datetime.getDate();
|
// const nHour = datetime.getHours() < 10 ? '0' + datetime.getHours() : datetime.getHours();
|
// const nMinute = datetime.getMinutes() < 10 ? '0' + datetime.getMinutes() : datetime.getMinutes();
|
// const nSecond = datetime.getSeconds() < 10 ? '0' + datetime.getSeconds() : datetime.getSeconds();
|
result = `${nYear}-${nMonth}-${nDate}`;
|
}
|
return result;
|
}
|
export function toDateValue(dateTimeStamp) {
|
if (!dateTimeStamp) return '';
|
let result = '';
|
const datetime = new Date();
|
const nowYear = datetime.getFullYear();
|
datetime.setTime(dateTimeStamp);
|
const nYear = datetime.getFullYear();
|
const nMonth =
|
datetime.getMonth() + 1 < 10
|
? `0${datetime.getMonth() + 1}`
|
: datetime.getMonth() + 1;
|
const nDate =
|
datetime.getDate() < 10 ? `0${datetime.getDate()}` : datetime.getDate();
|
const nHour =
|
datetime.getHours() < 10 ? `0${datetime.getHours()}` : datetime.getHours();
|
const nMinute =
|
datetime.getMinutes() < 10
|
? `0${datetime.getMinutes()}`
|
: datetime.getMinutes();
|
result =
|
nYear == nowYear
|
? `${nMonth}-${nDate} ${nHour}:${nMinute}`
|
: `${nYear}-${nMonth}-${nDate} ${nHour}:${nMinute}`;
|
return result;
|
}
|
// 数据类型转换
|
export function getDataTypeText(val) {
|
let text = val;
|
switch (val) {
|
case 'bigint': {
|
text = '长整型';
|
break;
|
}
|
case 'datetime': {
|
text = '日期时间';
|
break;
|
}
|
case 'decimal': {
|
text = '浮点';
|
break;
|
}
|
case 'int': {
|
text = '整型';
|
break;
|
}
|
case 'text': {
|
text = '文本';
|
break;
|
}
|
case 'varchar': {
|
text = '字符串';
|
break;
|
}
|
default: {
|
text = val;
|
break;
|
}
|
}
|
return text;
|
}
|
export function getScriptFunc(str) {
|
let func = null;
|
try {
|
func = eval(str);
|
if (Object.prototype.toString.call(func) !== '[object Function]')
|
return false;
|
return func;
|
} catch {
|
return false;
|
}
|
}
|
