身份证校验

const checkCode = (val) =>{//身份证校验code吗

  let p = /^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/;

  let factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];

  let parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ];

  let code = val.substring(17);

  if(p.test(val)) {

      let sum = 0;

      for(let i=0;i<17;i++) {

          sum += val[i]*factor[i];

      }

      if(parity[sum % 11] == code.toUpperCase()) {

          return true;

      }

  }

  return false;

}

const checkDate = (val)=>  {//身份证校验日期

  let pattern = /^(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)$/;

  if(pattern.test(val)) {

      let year = val.substring(0, 4);

      let month = val.substring(4, 6);

      let date = val.substring(6, 8);

      let date2 = new Date(year+"-"+month+"-"+date);

      if(date2 && date2.getMonth() == (parseInt(month) - 1)) {

          return true;

      }

  }

  return false;

}

const checkID =  (val) =>{//身份证校验

  if(checkCode(val)) {

      let date = val.substring(6,14);

      if(checkDate(date)) {

          if(checkProv(val.substring(0,2))) {

              return true;

          }

      }

  }

  return false;

}

const checkProv =  (val) =>{//身份证校验地区

  let pattern = /^[1-9][0-9]/;

  let provs = {11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江 ",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北 ",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏 ",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门"};

  if(pattern.test(val)) {

      if(provs[val]) {

          return true;

      }

  }

  return false;

}

使用  checkID(this.data.idCard)