cn-validator/src/util.js

一个校验身份证号/统一社会信用号/营业执照及组织机构代码号的工具，支持旧的营业执照和组织机构代码证号

const util = {
  checkArg: function (id, forceType) {
    var argType = typeof id;
    switch (argType) {
      case "number":
        //long number not allowed
        id = id.toString();
        if (id.length > 15) {
          this.error(param.error.longNumber);
          return false;
        }
        break;
      case "string":
        break;
      default:
        return false;
    }

    id = id.toUpperCase();

    if (forceType && !isNaN(forceType)) {
      forceType = parseInt(forceType);
      if (id.length !== forceType) {
        return false;
      }
    }

    var code = null;
    if (id.length === 18) {
      //18位
      code = {
        body: id.slice(0, 17),
        checkBit: id.slice(-1),
        type: 18,
      };
    } else {
      return false;
    }

    return code;
  },
  objMan: {
    1: {
      name: "机构编制",
      type: {
        1: "机关",
        2: "事业单位",
        3: "中央编办直接管理机构编制的群众群体",
        9: "其它",
      },
    },
    5: {
      name: "民政",
      type: {
        1: "社会团体",
        2: "民办非企业单位",
        3: "基金会",
        9: "其它",
      },
    },
    9: {
      name: "工商",
      type: {
        1: "企业",
        2: "个体工商户",
        3: "农民专业合作社",
      },
    },
    Y: {
      name: "其他",
      type: {
        1: "其他",
      },
    },
  },
  generateMixed: function (chars, n) {
    let res = "";
    let len = chars.length - 1;
    for (var i = 0; i < n; i++) {
      var id = Math.round(Math.random() * len);
      res += chars[id];
    }
    return res;
  },
  getLicValidateCode: function (code) {
    let baseChars = "0123456789ABCDEFGHJKLMNPQRTUWXY";
    let baseCarsArr = baseChars.split("");
    let factor = [
      1, 3, 9, 27, 19, 26, 16, 17, 20, 29, 25, 13, 8, 24, 10, 30, 28,
    ];
    let total = 0;
    //遍历信用代码,查找对应的位置并把字母转为对应的值
    // 因为只取前17位作为基数来计算校验码，所以取值 17
    for (var i = 0; i < 17; i++) {
      let a = baseCarsArr.indexOf(code[i] + "") * factor[i]; //获得对应位置的值(其实与脚标相同)并与加权因子相乘
      total += a; //将相乘的结果汇总
    }
    let idx = (31 - (total % 31)) * 1;
    let validateCode = baseCarsArr[idx % baseCarsArr.length]; //汇总结果对31求余,再用31减去余数,取对应位的值作为校验码
    return validateCode;
  },
  validateOldLicense: function isValidBusCode(busCode) {
    var ret = false;
    var sum = 0;
    var s = [];
    var p = [];
    var a = [];
    var m = 10;
    p[0] = m;
    for (var i = 0; i < busCode.length; i++) {
      a[i] = parseInt(busCode.substring(i, i + 1), m);
      s[i] = (p[i] % (m + 1)) + a[i];
      if (0 == s[i] % m) {
        p[i + 1] = 10 * 2;
      } else {
        p[i + 1] = (s[i] % m) * 2;
      }
    }
    if (1 == s[14] % m) {
      //营业执照编号正确!
      ret = true;
    } else {
      //营业执照编号错误!
      ret = false;
    }

    return ret;
  },
  districtKeys: function () {
    let areaIds = [];
    for (let key in GB2260) {
      if (GB2260.hasOwnProperty(key)) {
        areaIds.push(key + "");
      }
    }
    return areaIds;
  },
  makeLicenseId: function () {
    let dep = ["1", "5", "9", "Y"][Math.round(Math.random() * 3)]; // 获得首位
    let kind = this.objMan[dep];
    let kindArr = [];
    for (let key in kind.type) {
      if (kind.type.hasOwnProperty(key)) {
        kindArr.push(key + "");
      }
    }
    let areaIds = this.districtKeys();
    let kindLen = kindArr.length;
    let kindid = kindArr[Math.round(Math.random() * (kindLen - 1))]; //获得组织类型

    let arealen = areaIds.length;
    let areaid = areaIds[Math.round(Math.random() * (arealen - 1))]; //获取地区代码
    let baseChars = "0123456789ABCDEFGHJKLMNPQRTUWXY";
    let baseCharsArr = baseChars.split("");
    let orgCode = this.generateMixed(baseCharsArr, 9); // 获得组织编码
    let code17 = dep + kindid + areaid + orgCode;
    let validateCode = this.getLicValidateCode(code17);
    let totalCode = code17 + validateCode;
    return totalCode;
  },
  getPersonValidateCode: function (id) {
    let coefficient = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
    let idBaseCode = id.substr(0, 17);
    let weight = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2];
    let totalSum = 0;
    for (var i = 0; i < idBaseCode.length; i++) {
      totalSum += idBaseCode[i] * coefficient[i];
    }
    let _mod = totalSum % 11;
    let verifyCode = weight[_mod];
    return verifyCode;
  },
  makePersonId: function () {
    // 获取6位地区码
    let distKeys = util.districtKeys();
    let distLen = distKeys.length;
    let randIdx = Math.round(Math.random() * (distLen - 1));
    let districtCode = distKeys[randIdx] + "";

    // 组成生日
    function randomDate(start, end) {
      return new Date(
        start.getTime() + Math.random() * (end.getTime() - start.getTime())
      );
    }
    let randBirthTime = randomDate(new Date(1919, 0, 1), new Date());
    let randMon =
      randBirthTime.getMonth() + 1 >= 10
        ? randBirthTime.getMonth() + 1 + ""
        : "0" + (randBirthTime.getMonth() + 1);
    let randDate =
      randBirthTime.getDate() > 10
        ? randBirthTime.getDate()
        : "0" + randBirthTime.getDate();
    let randBirthday = randBirthTime.getFullYear() + randMon + randDate;

    // 生成个人编码
    let perCodeStr = "";
    for (let i = 0; i < 3; i++) {
      perCodeStr += Math.round(Math.random() * 9);
    }
    let code17 = districtCode + randBirthday + perCodeStr;
    // 计算校验位
    let validateCode = util.getPersonValidateCode(code17);
    let finalCode = code17 + validateCode;
    return finalCode;
  },
  getStarSign: function (mon, day) {
    var s = "魔羯水瓶双鱼牡羊金牛双子巨蟹狮子处女天秤天蝎射手魔羯";
    var d = [20, 19, 21, 21, 21, 22, 23, 23, 23, 23, 22, 22];
    var i = mon * 2 - (day < d[mon - 1] ? 2 : 0);
    return s.substring(i, i + 2) + "座";
  },
};

export default util;