需要移入crypto-js-4.0.0.min.js
官方文档：https://cryptojs.gitbook.io/docs/
github：https://github.com/brix/crypto-js

finger: function () {// 获取浏览器 User Agent 信息var userAgent = navigator.userAgent;// 获取浏览器 Accept Headers 信息var acceptHeaders = navigator.acceptHeader;// 获取屏幕分辨率var screenWidth = screen.width;var screenHeight = screen.height;// 获取时区偏移量var timezoneOffset = new Date().getTimezoneOffset();// 创建一个 Canvas 元素var canvas = document.createElement('canvas');var ctx = canvas.getContext('2d');// 绘制一个图像，并获取图像数据的哈希值var text = 'fingerprint';ctx.textBaseline = "top";ctx.font = "14px 'Arial'";ctx.textBaseline = "alphabetic";ctx.fillStyle = "#f60";ctx.fillRect(125, 1, 62, 20);ctx.fillStyle = "#069";ctx.fillText(text, 2, 15);ctx.fillStyle = "rgba(102, 204, 0, 0.7)";ctx.fillText(text, 4, 17);var canvasData = canvas.toDataURL();var canvasHash = hash(canvasData);// 获取本地 IP 地址和端口号var rtcPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;if (rtcPeerConnection) {var pc = new rtcPeerConnection({iceServers: []});pc.createDataChannel("");pc.createOffer(function (result) {pc.setLocalDescription(result, function () { }, function () { });}, function () { });pc.onicecandidate = function (event) {if (event && event.candidate && event.candidate.candidate) {var address = event.candidate.candidate.split(' ')[4];var port = event.candidate.candidate.split(' ')[5];var ip = address.split(':')[0];}};}// 整合上述信息生成浏览器指纹var fingerprint = userAgent + acceptHeaders + screenWidth + screenHeight + timezoneOffset + canvasHash;// 计算哈希值function hash(str) {var hash = 0;for (var i = 0; i < str.length; i++) {var char = str.charCodeAt(i);hash = ((hash << 5) - hash) + char;hash = hash & hash;}return hash;}return CryptoJS.MD5(fingerprint).toString();}