平时做项目时，经常会用到很多使用频率很高的代码，一有问题都习惯性问度娘！把自己都养懒了。
/* 表单验证*/// 验证手机号码function PhoneMustBePostiveInt(phone) {var myreg = /^[1][3,4,5,6,7,8,9][0-9]{9}$/;if (!myreg.test(phone)) {return false} else {return true;}}// 字符串必须是汉字function textMustHanzi(text) {var han = /^[\u4e00-\u9fa5]+$/;if (!han.test(text)) {return false;};return true;};// 单位税号(单位税号为15位、18位、20位数字和大写英文字母)：function checkTaxId(taxId) {var regTaxNumVal = /^[A-Z0-9a-z]{15}$|^[A-Z0-9a-z]{18}$|^[A-Z0-9a-z]{20}$/;if (!regTaxNumVal.test(taxId)) {return false;};return true;}//验证是否是数字function isNum(str){var reg = new RegExp("^[0-9]*$");return reg.test(str);}// 固定电话function isTel(str){var reg = /^((0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/;if (!reg.test(str)) {return false;};return true;}/* * 身份证号合法性验证 * 支持15位和18位身份证号* 支持地址编码、出生日期、校验位验证*/function IdentityCodeValid(code) {var city = {11: "北京",12: "天津",13: "河北",14: "山西",15: "内蒙古",21: "辽宁",22: "吉林",23: "黑龙江 ",31: "上海",32: "江苏",33: "浙江",34: "安徽",35: "福建",36: "江西",37: "山东",41: "河南",42: "湖北 ",43: "湖南",44: "广东",45: "广西",46: "海南",50: "重庆",51: "四川",52: "贵州",53: "云南",54: "西藏 ",61: "陕西",62: "甘肃",63: "青海",64: "宁夏",65: "新疆",71: "台湾",81: "香港",82: "澳门",91: "国外 "};var tip = "";var pass = true;if (!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code)) {tip = "身份证号格式错误";pass = false;} else if (!city[code.substr(0, 2)]) {tip = "地址编码错误";pass = false;} else {//18位身份证需要验证最后一位校验位if (code.length == 18) {code = code.split('');//∑(ai×Wi)(mod 11)//加权因子var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];//校验位var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];var sum = 0;var ai = 0;var wi = 0;for (var i = 0; i < 17; i++) {ai = code[i];wi = factor[i];sum += ai * wi;}var last = parity[sum % 11];if (parity[sum % 11] != code[17]) {tip = "校验位错误";pass = false;}}}// if (!pass) alert(tip);return pass;}module.exports = {PhoneMustBePostiveInt,textMustHanzi,checkTaxId,isNum,isTel,IdentityCodeValid}
