复制文字内容到剪切板
Este script não deve ser instalado diretamente. É uma biblioteca destinada a ser incluída por outros scripts através da diretiva de metadados // @require https://update.greasyfork.org/scripts/492927/1362733/copy_textjs.js
// ==UserScript==
// @name copy_text.js
// @namespace https://github.com/iibeibei
// @version 0.0.1
// @description 复制文字内容到剪切板
// @author Beibei
// @license GPLv3
// @match *://*/*
// ==/UserScript==
self.copyText = function (button, content, success) {
if (!button) {
return;
}
if (typeof content == 'function') {
success = content;
content = null;
}
success = success || function () {};
// 是否降级使用
var isFallback = !navigator.clipboard;
if (typeof button == 'string' && !content) {
if (content === false) {
isFallback = true;
}
content = button;
button = null;
}
var eleTextarea = document.querySelector('#tempTextarea');
if (!eleTextarea && isFallback) {
eleTextarea = document.createElement('textarea');
eleTextarea.style.width = 0;
eleTextarea.style.position = 'fixed';
eleTextarea.style.left = '-999px';
eleTextarea.style.top = '10px';
eleTextarea.setAttribute('readonly', 'readonly');
document.body.appendChild(eleTextarea);
}
var funCopy = function (text, callback) {
callback = callback || function () {};
if (!isFallback) {
navigator.clipboard.writeText(text).then(
function () {
callback();
// 成功回调
success(text);
},
function () {
// 禁止写入剪切板后使用兜底方法
copyText(text, false);
callback();
// 成功回调
success(text);
}
);
return;
}
eleTextarea.value = text;
eleTextarea.select();
document.execCommand('copy', true);
callback();
// 成功回调
success(text);
};
// 提示复制成功的方法
// 对外可访问
copyText.tips = function (event) {
if (!event) {
return;
}
// 复制成功提示
var eleTips = document.createElement('span');
eleTips.className = 'text-popup';
eleTips.innerHTML = '复制成功';
document.body.appendChild(eleTips);
// 事件
eleTips.addEventListener('animationend', function () {
eleTips.parentNode.removeChild(eleTips);
});
// For IE9
if (!history.pushState) {
setTimeout(function () {
eleTips.parentNode.removeChild(eleTips);
}, 1000);
}
eleTips.style.left = event.pageX - eleTips.clientWidth / 2 + 'px';
eleTips.style.top = event.pageY - eleTips.clientHeight + 'px';
};
var strStyle =
'.text-popup { animation: textPopup 1s both; -ms-transform: translateY(-20px); color: #01cf97; user-select: none; white-space: nowrap; position: absolute; z-index: 99; }@keyframes textPopup {0%, 100% { opacity: 0; } 5% { opacity: 1; } 100% { transform: translateY(-50px); }}';
var eleStyle = document.querySelector('#popupStyle');
if (!eleStyle) {
eleStyle = document.createElement('style');
eleStyle.id = 'popupStyle';
eleStyle.innerHTML = strStyle;
document.head.appendChild(eleStyle);
}
if (!button) {
funCopy(content);
return;
}
// 事件绑定
button.addEventListener('click', function (event) {
var strCopy = content;
if (content && content.tagName) {
strCopy = content.textContent || content.value;
}
// 复制的文字内容
if (!strCopy) {
return;
}
funCopy(strCopy, function () {
copyText.tips(event);
});
});
};