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170 lines
5.7 KiB
JavaScript
170 lines
5.7 KiB
JavaScript
/**
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* maskType
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* 1 - 全掩盖
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* 2 - 姓名-显示前1个字,后1个字
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* 3 - 手机号-显示前3位,后4位
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* 4 - 邮箱-显示前3个字,@和之后的字
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* 5 - 身份证-显示前6位,后3位,虚拟为4位
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* 6 - IP地址-显示第1段IP
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* 7 - 车牌号-显示前1个字,后2位
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* 8 - 银行卡号-显示前6位,后4位
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* 0 - 自定义规则
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*/
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export const defaultMaskOptions = {
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filler: '*', // 填充符号
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maskType: 1, // 掩码规则
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prefixType: 1, // 开头显示
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prefixLimit: 0, // 开头字数
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prefixSpecifyChar: '', // 开头字符
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suffixType: 1, // 结尾显示
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suffixLimit: 0, // 结尾字数
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suffixSpecifyChar: '', // 结尾字符
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ignoreChar: '', // 显示字符
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useUnrealMask: false, // 虚拟掩码
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unrealMaskLength: 1, // 虚拟掩码长度
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};
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export function useTextMask(options = {}) {
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const config = {
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...defaultMaskOptions,
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...options
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};
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// 全掩盖
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function maskAll(str) {
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return config.filler.repeat(str.length);
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}
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//姓名 显示前1个字,后1个字
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function maskName(str) {
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if (str.length <= 1) return str;
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const prefix = str[0];
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if (str.length === 2) return prefix + config.filler;
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const suffix = str.slice(-1);
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const maskedChars = config.filler.repeat(str.length - 2);
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return prefix + maskedChars + suffix;
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}
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// 手机号 - 显示前3位,后4位
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function maskPhoneNumber(str) {
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if (str.length <= 7) return str;
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const prefix = str.slice(0, 3);
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const suffix = str.slice(-4);
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const maskedChars = config.filler.repeat(str.length - 7);
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return prefix + maskedChars + suffix;
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}
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// 邮箱 - 显示前3个字,@和之后的字
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function maskEmailAddress(str) {
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const atIndex = str.indexOf('@');
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if (str.length <= 3 || (atIndex > -1 && atIndex < 3)) return str;
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let suffixLength = 0;
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let maskedCharsLength = str.length - 3;
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if (atIndex > 0) {
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suffixLength = atIndex;
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maskedCharsLength = atIndex - 3;
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}
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const prefix = str.slice(0, 3);
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const suffix = suffixLength ? str.slice(suffixLength) : '';
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const maskedChars = config.filler.repeat(maskedCharsLength);
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return prefix + maskedChars + suffix;
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}
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// 身份证 - 显示前6位,后3位,虚拟为4位
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function maskIdNumber(str) {
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if (str.length <= 9) return str;
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const prefix = str.slice(0, 6);
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const suffix = str.slice(-3);
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const maskedChars = config.filler.repeat(4);
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return prefix + maskedChars + suffix;
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}
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// IP地址-显示第1段IP
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function maskIPAddress(str) {
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const segments = str.split('.');
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if (segments.length < 1) return str;
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const maskedChars = ('.' + config.filler.repeat(3)).repeat(3);
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return segments[0] + maskedChars;
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}
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// 车牌号-显示前1个字,后2位
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function maskLicensePlate(str) {
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if (str.length <= 3) return str;
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const prefix = str[0];
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const suffix = str.slice(-2);
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const maskedChars = config.filler.repeat(str.length - 3);
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return prefix + maskedChars + suffix;
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}
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// 银行卡号-显示前6位,后4位
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function maskBankCard(str) {
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if (str.length <= 10) return str;
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const prefix = str.slice(0, 6);
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const suffix = str.slice(-4);
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const maskedChars = config.filler.repeat(str.length - 10);
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return prefix + maskedChars + suffix;
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}
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// 自定义掩码规则
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function maskCustom(str) {
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let prefixLength = 0,
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suffixLength = 0;
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if (config.prefixType === 2) prefixLength = config.prefixLimit || 0;
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if ((config.prefixType === 3 || config.prefixType === 4) && config.prefixSpecifyChar) {
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let specifyCharIndex = str.indexOf(config.prefixSpecifyChar);
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if (specifyCharIndex > -1) prefixLength = config.prefixType === 3 ? specifyCharIndex :
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specifyCharIndex + config.prefixSpecifyChar.length;
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}
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if (config.suffixType === 2) suffixLength = config.suffixLimit || 0;
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if ((config.suffixType === 3 || config.suffixType === 4) && config.suffixSpecifyChar) {
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let specifyCharIndex = str.indexOf(config.suffixSpecifyChar);
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if (specifyCharIndex > -1) suffixLength = config.suffixType === 3 ?
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str.length - specifyCharIndex - config.suffixSpecifyChar.length :
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str.length - specifyCharIndex;
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}
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if (prefixLength + suffixLength >= str.length) return str;
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const prefix = prefixLength ? str.slice(0, prefixLength) : '';
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const suffix = suffixLength ? str.slice(-suffixLength) : '';
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let middleChar = '';
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if (!config.ignoreChar) {
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const maskedLength = config.useUnrealMask ? config.unrealMaskLength || 1 : str.length - prefixLength -
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suffixLength;
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middleChar = config.filler.repeat(maskedLength);
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} else {
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const ignoreCharList = config.ignoreChar.split(',');
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const middleStr = str.slice(prefixLength, str.length - suffixLength);
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const reg = new RegExp('(' + ignoreCharList.map(o => o.replace(/\*/g, '\\*')).join('|') + ')', 'g');
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let list = middleStr.split(reg);
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list = list.map(o => {
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if (o && !ignoreCharList.includes(o)) {
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const maskedLength = config.useUnrealMask ? config.unrealMaskLength || 1 : o.length;
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o = config.filler.repeat(maskedLength);
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}
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return o;
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});
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middleChar = list.join('');
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}
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return prefix + middleChar + suffix;
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}
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// 获取掩码后文本
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function getMaskedText(str) {
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if (!str) return '';
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if (config.maskType === 1) return maskAll(str);
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if (config.maskType === 2) return maskName(str);
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if (config.maskType === 3) return maskPhoneNumber(str);
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if (config.maskType === 4) return maskEmailAddress(str);
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if (config.maskType === 5) return maskIdNumber(str);
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if (config.maskType === 6) return maskIPAddress(str);
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if (config.maskType === 7) return maskLicensePlate(str);
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if (config.maskType === 8) return maskBankCard(str);
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if (config.maskType === 0) return maskCustom(str);
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return str;
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}
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return {
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maskAll,
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maskName,
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maskPhoneNumber,
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maskEmailAddress,
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maskIdNumber,
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maskIPAddress,
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maskLicensePlate,
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maskBankCard,
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maskCustom,
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getMaskedText
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};
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} |