金额转换保留小数点后两位

//金额转换保留小数后两位const transform = (v)=>{let num = vnum += ''num = num.replace(/[^0-9|\.]/g, '') //清除字符串中的非数字非.字符if(/^0+/) //清除字符串开头的0num = num.replace(/^0+/, '')if(!/\./.test(num)) //为整数字符串在末尾添加.00num += '.00199999999'if(/^\./.test(num)) //字符以.开头时,在开头添加0num = '0' + numnum += '00999999' //在字符串末尾补零num = num.match(/\d+\.\d{2}/)[0]if(v == null) num = ''return num}

输入手机号只能输入整数

<!-- 输入手机号只能输入整数 --><el-inputmaxlength='11'v-model="form.waybillNoNum"placeholder="请输入手机号"clearable class="formInput"onkeyup="value=value.replace(/[^\w\.\/]/ig,'')"></el-input>

URL 必须以 "http://"、 "https://" 等有效协议开头

//URL 必须以 "http://"、 "https://" 等有效协议开头export const urlCheck = (rule, value, cb) => {if (!value) { cb() }if (!/^(https?|ftp|file)?:\/\//.test(value)) {cb(new Error('地址不正确：URL 必须以 "http://"、 "https://" 等有效协议开头'))} else if (!/^(https?|ftp|file):\/\/[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]$/.test(value)) {const illegalChar = value.match(/(https?|ftp|file):\/\/.*([^-A-Za-z0-9+&@#/%?=~_|!:,.;])/)if (illegalChar) {cb(new Error(`地址不正确："${illegalChar[2]}" 是不合法的 URL 字符`))return}const illegalTail = value.match(/[^-A-Za-z0-9+&@#/%=~_|]$/)if (illegalTail && illegalTail[0]) {cb(new Error(`地址不正确："${illegalTail[0]}" 不能作为 URL 的结尾`))return}cb(new Error('地址不正确：不合法的地址格式，请检查'))} else {cb()}}export const urlCheckCN = (rule, value, cb) => {if (!value) { cb() }if (!/^(https?|ftp|file)?:\/\//.test(value)) {cb(new Error('地址不正确：URL 必须以 "http://"、 "https://" 等有效协议开头'))} else if (!/^(https?|ftp|file):\/\/[-A-Za-z0-9_\u4e00-\u9fa5_+&@#/%?=~_|!:,.;]+[-A-Za-z0-9_\u4e00-\u9fa5_+&@#/%=~_|]$/.test(value)) {const illegalChar = value.match(/(https?|ftp|file):\/\/.*([^-A-Za-z0-9_\u4e00-\u9fa5_+&@#/%?=~_|!:,.;])/)if (illegalChar) {cb(new Error(`地址不正确："${illegalChar[2]}" 是不合法的 URL 字符`))return}const illegalTail = value.match(/[^-A-Za-z0-9+&@#/%=~_|]$/)if (illegalTail && illegalTail[0]) {cb(new Error(`地址不正确："${illegalTail[0]}" 不能作为 URL 的结尾`))return}cb(new Error('地址不正确：不合法的地址格式，请检查'))} else {cb()}}

只能为字母和数字

export const patterns = {email: /^([\w-_]+(?:\.[\w-_]+)*)@((?:[a-z0-9]+(?:-[a-zA-Z0-9]+)*)+\.[a-z]{2,6})$/i,alphabetNumeric: /^[0-9a-zA-Z]*$/,}export const alphabetNumericCheck = (rule, value, cb) => {if (patterns.alphabetNumeric.test(value)) {cb()return}cb(new Error('只能为字母和数字'))}

JSON 格式不合法

export const JSONStringCheck = (rule, value, cb) => {try {if(value!==''){JSON.stringify(JSON.parse(value))}cb()} catch (e) {cb(new Error('JSON 格式不合法'))}}

长度超过限制

export const PhysicalLengthCheckFactory = length => ((rule, value, cb) => {const len = typeof length === 'function' ? length() : lengthif (physicalLength(value) > len * 2) return cb(new Error(`长度超过限制: 最多 ${len} 个汉字, 或者 ${len * 2} 个字母`))return cb()})

其他一些

export const NumberRangeFactory = ({ min, max, type = 'float' }) => (rule, value, cb) => {if (rule.required === false && value === null) return cb()if (Number.isNaN(value)) return cb(new Error('数字不合法'))value = Number(value)if (type === 'interger' && Number.isInteger(value)) return cb(new Error('只能输入整数'))if (value < min || value > max) return cb(new Error(`只能输入 ${min} - ${max} 之间的数字`))return cb()}export const ThemeColor = ((rule, value, cb) => {if (/^#[0-9a-fA-F]{6}$/.test(value)) return cb()return cb('不合法的颜色值')})export const CheckNotZero = () => (rule, value, cb) => {if (value <= 0) return cb(new Error('请输入大于 0 的正整数'))return cb()}export const NumberValidator = () => (rule, value, cb) => {if (isNaN(value)) return cb(new Error('请输入数字'))return cb()}export const MultipleValidator = (targetValue) => (rule, value, cb) => {if (isNaN(value)) return cb(new Error('请输入数字'))if ((value/targetValue)%1 !== 0) cb(new Error(`请输入${targetValue}的倍数`))return cb()}export const MultipleValidatorExtend = () => (rule, value, cb) => {if (isNaN(value)) return cb(new Error('请输入数字'))// if ((value/targetValue)%1 !== 0) cb(new Error(`请输入${targetValue}的倍数`))return cb()}