将“登录以复制”按钮更改为复制功能，去除 banner 广告
// ==UserScript==
// @name CSDN 允许复制、去广告
// @namespace https://github.com/the-eric-kwok/my_userscripts
// @version 0.9
// @description 将“登录以复制”按钮更改为复制功能，去除 banner 广告
// @author EricKwok
// @supportURL https://github.com/the-eric-kwok/my_userscripts/issues
// @match https://*.csdn.net/*
// @icon https://g.csdnimg.cn/static/logo/favicon32.ico
// @grant none
// @run-at document-start
// @license GPLv3
// ==/UserScript==
(function () {
'use strict';
function addListener(element, eventName, handler) {
if (element.addEventListener) {
element.addEventListener(eventName, handler, false);
}
else if (element.attachEvent) {
element.attachEvent('on' + eventName, handler);
}
else {
element['on' + eventName] = handler;
}
}
function allowSelect(elem) {
// 删除 CSS 中禁止复制的属性
elem.style.setProperty("-webkit-touch-callout", "initial");
elem.style.setProperty("-webkit-user-select", "initial");
elem.style.setProperty("-khtml-user-select", "initial");
elem.style.setProperty("-moz-user-select", "initial");
elem.style.setProperty("-ms-user-select", "initial");
elem.style.setProperty("user-select", "initial");
}
function copyMe(elem) {
console.log(elem);
elem.path[0].setAttribute("data-title", "复制成功✅")
window.setTimeout(() => elem.path[0].setAttribute("data-title", "复制"), 1000);
let code = elem.path[1].innerText;
function _legacyCopy() {
console.log("正在使用传统方法复制");
let tmpInput = document.createElement('input');
elem.insertAdjacentHTML("afterend", tmpInput)
tmpInput.value = code;
tmpInput.focus();
tmpInput.select();
if (document.execCommand('copy')) {
document.execCommand('copy');
}
tmpInput.blur();
console.log('复制成功');
tmpInput.remove();
}
if (navigator.clipboard && window.isSecureContext) {
console.log("正在使用 navigator clipboard api 进行复制操作");
navigator.clipboard.writeText(code)
.then(() => {
console.log('复制成功');
})
.catch(err => {
console.log("navigator clipboard api 复制时出错，将使用传统方法进行复制")
_legacyCopy();
})
} else {
_legacyCopy();
}
}
function makeCopy() {
for (var item of document.querySelectorAll("pre")) {
allowSelect(item);
for (var child of item.children) {
allowSelect(child);
if (child.className.includes("signin")) {
child.setAttribute("data-title", "复制");
child.setAttribute("onclick", "");
addListener(child, 'click', function (child) {
copyMe(child);
});
}
for (var child2 of child.children) {
allowSelect(child2);
if (child2.className.includes("signin")) {
child2.setAttribute("data-title", "复制");
child.setAttribute("onclick", "");
addListener(child2, 'click', function (child) {
copyMe(child);
});
}
}
}
}
}
/**
*
* @param {string} CssSelector CSS selector to identify the advert element
*/
function removeAd(CssSelector) {
for (var elem of document.querySelectorAll(CssSelector)) {
elem.remove();
}
}
var adCssSelectors = [
".toolbar-advert",
".csdn-common-logo-advert",
".passport-login-container",
".top-bar",
".csdn-common-logo-advert",
".adsbygoogle"
];
if (window.location.href.includes("blog.csdn.net")) {
window.onload = makeCopy;
// 去除复制时末尾追加的版权信息（实际上通过阻止copy事件传播来实现）
window.addEventListener("copy", function (event) {
event.stopImmediatePropagation();
}, true);
window.setInterval(function () {
for (var sel of adCssSelectors) {
removeAd(sel);
}
}, 100);
} else if (window.location.href.includes("download.csdn.net")) {
window.setInterval(function () {
for (var sel of adCssSelectors) {
removeAd(sel);
}
}, 100);
}
})();