71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
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export default new class common {
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/**
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* @description: 使用JS将数字从汉字形式转化为阿拉伯形式
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* @param {string} s_123
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* @return {number}
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*/
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translateChinaNum(s_123) {
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//如果是纯数字直接返回
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if (/^\d+$/.test(s_123)) return Number(s_123)
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// -------------------------------------------------- 字典，甚至可以使用繁体 --------------------------------------------------
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let map = new Map()
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map.set('一', 1)
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map.set('壹', 1) // 特殊
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map.set('二', 2)
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map.set('两', 2) // 特殊
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map.set('三', 3)
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map.set('四', 4)
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map.set('五', 5)
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map.set('六', 6)
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map.set('七', 7)
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map.set('八', 8)
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map.set('九', 9)
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// -------------------------------------------------- 按照亿、万为分割将字符串划分为三部分 --------------------------------------------------
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let split = ''
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split = s_123.split('亿')
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let s_1_23 = split.length > 1 ? split : ['', s_123]
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let s_23 = s_1_23[1]
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let s_1 = s_1_23[0]
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split = s_23.split('万')
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let s_2_3 = split.length > 1 ? split : ['', s_23]
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let s_2 = s_2_3[0]
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let s_3 = s_2_3[1]
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let arr = [s_1, s_2, s_3]
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// -------------------------------------------------- 对各个部分处理 --------------------------------------------------
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arr = arr.map(item => {
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let result = ''
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result = item.replace('零', '')
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// [ '一百三十二', '四千五百', '三千二百一十三' ] ==>
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result = result.replace(/[一二三四五六七八九]/g, substring => {
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return map.get(substring)
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})
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// [ '1百3十2', '4千5百', '3千2百1十3' ] ==> ['0132', '4500', '3213']
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let temp
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temp = /\d(?=千)/.exec(result)
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let num1 = temp ? temp[0] : '0'
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temp = /\d(?=百)/.exec(result)
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let num2 = temp ? temp[0] : '0'
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temp = /\d?(?=十)/.exec(result)
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let num3
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if (temp === null) { // 说明没十：一百零二
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num3 = '0'
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} else if (temp[0] === '') { // 说明十被简写了：十一
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num3 = '1'
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} else { // 正常情况：一百一十一
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num3 = temp[0]
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}
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temp = /\d$/.exec(result)
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let num4 = temp ? temp[0] : '0'
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return num1 + num2 + num3 + num4
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})
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// 借助parseInt自动去零
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return parseInt(arr.join(''))
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}
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} |