在拼题A（PTA、Pintia）上提供"终端式"复制/粘贴：选中即自动复制，右键即可粘贴，按住 Shift+右键仍可呼出原生菜单。（助力每位同学提升操作效率，快速完成文本复制与代码输入）
// ==UserScript==
// @name 解锁PTA终端复制方式（选中即复制｜右键粘贴）
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 在拼题A（PTA、Pintia）上提供"终端式"复制/粘贴：选中即自动复制，右键即可粘贴，按住 Shift+右键仍可呼出原生菜单。（助力每位同学提升操作效率，快速完成文本复制与代码输入）
// @author MadelineCarter
// @match https://pintia.cn/*
// @match https://*.pintia.cn/*
// @run-at document-start
// @grant none
// @license All Rights Reserved
// ==/UserScript==
(function () {
'use strict';
const COPY_ON_SELECT = true;
const isEditable = (el) =>
el &&
(el.tagName === 'INPUT' ||
el.tagName === 'TEXTAREA' ||
el.isContentEditable);
const toast = (() => {
let el;
return (msg, ms = 1200) => {
if (!document.body) return;
if (!el) {
el = document.createElement('div');
el.style.position = 'fixed';
el.style.top = '12px';
el.style.right = '12px';
el.style.background = 'rgba(0,0,0,0.8)';
el.style.color = '#fff';
el.style.padding = '8px 10px';
el.style.borderRadius = '6px';
el.style.fontSize = '13px';
el.style.zIndex = '2147483647';
el.style.transition = 'opacity .2s ease';
el.style.opacity = '0';
document.body.appendChild(el);
}
el.textContent = msg;
el.style.opacity = '1';
clearTimeout(el._t);
el._t = setTimeout(() => (el.style.opacity = '0'), ms);
};
})();
const copyText = async (text) => {
if (!text || !text.trim()) return false;
try {
if (navigator.clipboard && navigator.clipboard.writeText) {
await navigator.clipboard.writeText(text);
toast('已复制');
return true;
}
} catch (_) {}
// 退化方案：execCommand
try {
const ta = document.createElement('textarea');
ta.value = text;
ta.style.position = 'fixed';
ta.style.opacity = '0';
ta.style.pointerEvents = 'none';
document.body.appendChild(ta);
ta.focus();
ta.select();
const ok = document.execCommand('copy');
document.body.removeChild(ta);
if (ok) {
toast('已复制');
return true;
}
} catch (_) {}
toast('复制失败：请手动 Ctrl+C');
return false;
};
const readClipboard = async () => {
if (navigator.clipboard && navigator.clipboard.readText) {
try {
return await navigator.clipboard.readText();
} catch (_) {}
}
return null;
};
const insertIntoInput = (input, text) => {
const start = input.selectionStart ?? input.value.length;
const end = input.selectionEnd ?? input.value.length;
const value = input.value ?? '';
input.value = value.slice(0, start) + text + value.slice(end);
const caret = start + text.length;
input.selectionStart = input.selectionEnd = caret;
};
const insertIntoContentEditable = (text) => {
const sel = window.getSelection();
if (!sel || sel.rangeCount === 0) {
document.execCommand('insertText', false, text);
return;
}
const range = sel.getRangeAt(0);
range.deleteContents();
range.insertNode(document.createTextNode(text));
range.collapse(false);
sel.removeAllRanges();
sel.addRange(range);
};
const getInputSelectionText = (el) => {
if (!el || !(el.tagName === 'INPUT' || el.tagName === 'TEXTAREA')) return '';
const start = el.selectionStart ?? 0;
const end = el.selectionEnd ?? 0;
if (end > start) return (el.value || '').slice(start, end);
return '';
};
const hasWindowSelectionText = () => {
const s = window.getSelection();
return !!(s && s.toString().trim());
};
// 右键：有选中则复制；可编辑区域右键则粘贴；Shift+右键保留原生菜单
const onContextMenu = async (e) => {
if (e.shiftKey) return; // 允许原生菜单
e.preventDefault();
e.stopPropagation();
const target = e.target;
// 输入框内有选区优先复制
const inputSel = getInputSelectionText(target);
if (inputSel) {
await copyText(inputSel);
return;
}
// 页面选区复制
if (hasWindowSelectionText()) {
await copyText(window.getSelection().toString());
return;
}
// 无选区：在可编辑区域右键 -> 粘贴
if (isEditable(target)) {
const text = await readClipboard();
if (text !== null) {
if (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA') {
insertIntoInput(target, text);
} else {
insertIntoContentEditable(text);
}
toast('已粘贴');
} else {
toast('无法读取剪贴板：请使用 Ctrl+V');
}
return;
}
// 其它区域提示
toast('选中即复制；在输入框右键粘贴');
};
// 选中即复制：仅在左键松开时触发，避免右键造成误触
const onMouseUpCopy = async (e) => {
if (!COPY_ON_SELECT) return;
if (e.button !== 0) return; // 仅左键
const t = e.target;
// 输入框/文本域选中即复制
const inputSel = getInputSelectionText(t);
if (inputSel) {
await copyText(inputSel);
return;
}
// 普通文档/可编辑区域选中即复制
const s = window.getSelection();
const text = s ? s.toString().trim() : '';
if (text) {
await copyText(text);
}
};
// 捕获阶段绑定，尽量早于站点脚本
document.addEventListener('contextmenu', onContextMenu, true);
document.addEventListener('mouseup', onMouseUpCopy, true);
})();
/*
This script is not licensed for use, modification, or distribution.
All rights are reserved by the author.
*/