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JavaScript 验证统一社会信用代码/营业执照注册号
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// 統(tǒng)一社會(huì)信用代碼export const socialUniformCreditCode = (creditCode) => {if (creditCode.length != 18) {return false;}var sum = 0;var arr = new Array();arr = creditCode.split('');for (var i = 0; i < arr.length - 1; i++) {var c = arr[i];if (isNaN(c) == true || typeof c == 'undefined') {return false;}var a = getMapC(c); //獲得代碼對(duì)應(yīng)數(shù)值if (isNaN(a) == true || typeof a == 'undefined') {return false;}var b = getMapW((i + 1).toString()); //獲得當(dāng)前位數(shù)權(quán)重if (isNaN(b) == true || typeof b == 'undefined') {return false;}sum += a * b;if (isNaN(sum) == true || typeof sum == 'undefined') {return false;}}var mod = sum % 31;var res = getMapR((31 - mod).toString()); //計(jì)算校驗(yàn)碼if (res == 'NaN' || typeof res == 'undefined') {return false;}if (arr[arr.length - 1] != res.toString()) {return false;}return true;
};function getMapC(pa) {var result;switch (pa) {case '0':result = 0;break;case '1':result = 1;break;case '2':result = 2;break;case '3':result = 3;break;case '4':result = 4;break;case '5':result = 5;break;case '6':result = 6;break;case '7':result = 7;break;case '8':result = 8;break;case '9':result = 9;break;case 'A':result = 10;break;case 'B':result = 11;break;case 'C':result = 12;break;case 'D':result = 13;break;case 'E':result = 14;break;case 'F':result = 15;break;case 'G':result = 16;break;case 'H':result = 17;break;case 'J':result = 18;break;case 'K':result = 19;break;case 'L':result = 20;break;case 'M':result = 21;break;case 'N':result = 22;break;case 'P':result = 23;break;case 'Q':result = 24;break;case 'R':result = 25;break;case 'T':result = 26;break;case 'U':result = 27;break;case 'W':result = 28;break;case 'X':result = 29;break;case 'Y':result = 30;break;}return result;
}function getMapW(pa) {var result;switch (pa) {case '1':result = 1;break;case '2':result = 3;break;case '3':result = 9;break;case '4':result = 27;break;case '5':result = 19;break;case '6':result = 26;break;case '7':result = 16;break;case '8':result = 17;break;case '9':result = 20;break;case '10':result = 29;break;case '11':result = 25;break;case '12':result = 13;break;case '13':result = 8;break;case '14':result = 24;break;case '15':result = 10;break;case '16':result = 30;break;case '17':result = 28;break;}return result;
}function getMapR(pa) {var result;switch (pa) {case '0':result = '0';break;case '1':result = '1';break;case '2':result = '2';break;case '3':result = '3';break;case '4':result = '4';break;case '5':result = '5';break;case '6':result = '6';break;case '7':result = '7';break;case '8':result = '8';break;case '9':result = '9';break;case '10':result = 'A';break;case '11':result = 'B';break;case '12':result = 'C';break;case '13':result = 'D';break;case '14':result = 'E';break;case '15':result = 'F';break;case '16':result = 'G';break;case '17':result = 'H';break;case '18':result = 'J';break;case '19':result = 'K';break;case '20':result = 'L';break;case '21':result = 'M';break;case '22':result = 'N';break;case '23':result = 'P';break;case '24':result = 'Q';break;case '25':result = 'R';break;case '26':result = 'T';break;case '27':result = 'U';break;case '28':result = 'W';break;case '29':result = 'X';break;case '30':result = 'Y';break;case '31':result = '0';break;}return result;
}
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