Angular 6 自定义校验器校验身份证
/** * 自定义身份校验器 * */ import { FormControl} from \'@angular/forms\'; export function identityNoValidator(input: FormControl) { const value = input.value; if (checkCode(value)) { console.log(\'checkCode\'); let date = value.substring(6, 14); if (checkDate(date)) { console.log(\'checkDate\'); if (checkPro(value.substring(0, 2))) { console.log(\'checkPro\'); return null; } else { return {\'errors\': true}; } } else { return {\'errors\': true}; } } else { return {\'errors\': true}; } } function checkCode(val: string) { let reg = /^[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]$/; // 17 位加权因子 let divisor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]; // 校验码列表mod11,对应校验码字符值 let validCode = [\'1\', \'0\', \'X\', \'9\', \'8\', \'7\', \'6\', \'5\', \'4\', \'3\', \'2\']; if (!reg.test(val)) { console.log(\'正则表达式未通过\'); return false; } else { let sum = 0; for (let i = 0; i < 17; i++) { // 17位每一位数 乘以加权因子 的 和 sum += Number.parseInt(val[i]) * divisor[i]; } let index = sum % 11; return validCode[index].toUpperCase() === val[17]; } } // 检查日期 function checkDate(val: string) { const pattern = /^(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)$/; if (pattern.test(val)) { const year = val.substring(0, 4); const month = val.substring(4, 6); const date = val.substring(6, 8); const date2 = new Date(year + \'-\' + month + \'-\' + date); return date2 && date2.getMonth() === (parseInt(month) - 1); } return false; } // 检查省市编号 function checkPro(val: string) { const pattern = /^[1-9][0-9]/; const 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)) { return !!provs[val]; } return false; }
使用该校验器
this.validateForm.get(\'corporation_credentials_number\').setValidators(identityNoValidator);