1 function numToChinese(num) { 2 this.chnum = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十']; 3 this.chsection = { 4 unit: { 5 2: '十', 6 3: '百', 7 4: '千', 8 5: '万', 9 9: '亿', 10 13: '兆', 11 17: '' 12 }, 13 next: function (num) { 14 for (let i in this.unit) { 15 if (i > num) { 16 return i; 17 } 18 } 19 return null; 20 }, 21 get: function (index) { 22 let min = 2, q; 23 for (let i in this.unit) { 24 if (i > index) { 25 q = index - min + 1; 26 break; 27 } 28 min = i; 29 } 30 return this.unit[q]; 31 } 32 }; 33 const getUnit = (narr, i) => { 34 const len = narr.length - i; 35 const num = Number(narr[i]); 36 if (len < 2) { 37 return null; 38 } 39 let unit = this.chsection.unit[len]; 40 if (num === 0) { 41 if (len < 5 || !unit) { 42 return null; 43 } 44 let isZero = true; 45 const next = this.chsection.next(len); 46 if (!next) { 47 isZero = false; 48 } else { 49 for (let i = len; i < next; i++) { 50 const index = narr.length - i; 51 if (narr[index] && narr[index] !== '0') { 52 isZero = false; 53 break; 54 } 55 } 56 } 57 if (isZero) return null; 58 } 59 if (unit) { 60 return unit; 61 } else { 62 return this.chsection.get(len); 63 } 64 } 65 66 num = Number(num); 67 if (num < 10) { 68 return this.chnum[num]; 69 } 70 let chstr = ''; 71 let zero = false; 72 // let model = 0; 73 const narr = String(num).split(''); 74 for (let index = 0; index < narr.length; index++) { 75 const num = Number(narr[index]); 76 const str = this.chnum[narr[index]]; 77 const unit = getUnit(narr, index); 78 if (num === 0) { 79 zero = true; 80 } 81 if (zero && num !== 0) { 82 chstr += this.chnum[0]; 83 zero = false; 84 } 85 if (!zero && (unit !== '十' || num !== 1 || index !== 0)) 86 chstr += str; 87 chstr += unit || ''; 88 } 89 return chstr; 90 }
使用方法：
numToChinese(6542127);