智能复制助手 Pro（自定义弹窗 + 历史 + 按钮）

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智能复制助手 Pro（自定义弹窗 + 历史 + 按钮）

点击复制文本，自定义弹窗提示 + 保存历史 + 按钮增强
当前为 2025-07-10 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         智能复制助手 Pro（自定义弹窗 + 历史 + 按钮）
// @namespace    http://tampermonkey.net/
// @version      2.5
// @description  点击复制文本，自定义弹窗提示 + 保存历史 + 按钮增强
// @author       ChatGPT
// @match        *://*/*
// @grant        GM_setClipboard
// @grant        GM_addStyle
// ==/UserScript==

(function () {
    'use strict';

    const historyLimit = 10;
    let copyHistory = [];

    // 样式注入：按钮 + 弹窗
    GM_addStyle(`
        .copy-btn {
            position: absolute;
            right: 0;
            top: 0;
            background: #4CAF50;
            color: white;
            border: none;
            padding: 2px 6px;
            font-size: 12px;
            cursor: pointer;
            border-radius: 4px;
            z-index: 10000;
        }
        .copy-container {
            position: relative;
            display: inline-block;
        }
        .copy-toast {
            position: fixed;
            top: 20px;
            right: 20px;
            background: #323232;
            color: #fff;
            padding: 12px 18px;
            border-radius: 6px;
            box-shadow: 0 0 10px rgba(0,0,0,0.3);
            z-index: 10000;
            opacity: 0;
            transition: opacity 0.4s ease, transform 0.4s ease;
            transform: translateY(-10px);
            font-family: Arial;
        }
        .copy-toast.show {
            opacity: 1;
            transform: translateY(0);
        }
    `);

    // 创建弹窗 DOM
    const toast = document.createElement('div');
    toast.className = 'copy-toast';
    document.body.appendChild(toast);

    const showToast = (text) => {
        toast.innerText = `✅ 已复制：${text}`;
        toast.classList.add('show');
        setTimeout(() => {
            toast.classList.remove('show');
        }, 2000);
    };

    const addToHistory = (text) => {
        if (copyHistory.includes(text)) return;
        copyHistory.unshift(text);
        if (copyHistory.length > historyLimit) copyHistory.pop();
        console.log('📋 当前复制历史：', copyHistory);
    };

    const copyToClipboard = (text) => {
        if (!text || !text.trim()) return;
        if (navigator.clipboard) {
            navigator.clipboard.writeText(text).catch(console.error);
        } else {
            GM_setClipboard(text);
        }
        showToast(text);
        addToHistory(text);
    };

    const getCopyText = (el) => {
        const tag = el.tagName.toLowerCase();
        if (tag === 'input' || tag === 'textarea') return el.value;
        return el.innerText || el.textContent;
    };

    const injectCopyButtons = () => {
        const tags = ['p', 'span', 'div', 'li', 'td', 'pre'];
        tags.forEach(tag => {
            const elements = document.querySelectorAll(tag);
            elements.forEach(el => {
                if (el.dataset.copyBound) return;
                el.dataset.copyBound = '1';

                const wrapper = document.createElement('span');
                wrapper.classList.add('copy-container');
                el.parentNode.insertBefore(wrapper, el);
                wrapper.appendChild(el);

                const btn = document.createElement('button');
                btn.className = 'copy-btn';
                btn.innerText = '复制';
                btn.addEventListener('click', (e) => {
                    e.stopPropagation();
                    const text = getCopyText(el);
                    copyToClipboard(text);
                });
                wrapper.appendChild(btn);
            });
        });
    };

    // 初始化
    injectCopyButtons();
    setInterval(injectCopyButtons, 3000);

    // 快捷键 Ctrl+Shift+H 显示历史
    document.addEventListener('keydown', (e) => {
        if (e.ctrlKey && e.shiftKey && e.key.toLowerCase() === 'h') {
            alert('📋 最近复制内容：\n' + copyHistory.join('\n'));
        }
    });
})();