这个用户脚本旨在解除PTA（拼题A、Pintia）平台上的复制和粘贴限制，使用户能够自由复制和粘贴文本
// ==UserScript==
// @name 解锁PTA复制粘贴限制
// @namespace http://tampermonkey.net/
// @version 2.0
// @description 这个用户脚本旨在解除PTA（拼题A、Pintia）平台上的复制和粘贴限制，使用户能够自由复制和粘贴文本
// @author MadelineCarter
// @match https://pintia.cn/problem-sets/*/exam/problems/*
// @match https://pintia.cn/problem-sets/*/exam/*
// @grant none
// @license All Rights Reserved
// ==/UserScript==
(function() {
'use strict';
// 阻止弹窗
window.alert = function() {};
// 模拟真实键盘输入
async function simulateRealTyping(element, text) {
element.focus();
for (let i = 0; i < text.length; i++) {
const char = text[i];
element.dispatchEvent(new KeyboardEvent('keydown', {
key: char,
code: 'Key' + char.toUpperCase(),
charCode: char.charCodeAt(0),
keyCode: char.charCodeAt(0),
which: char.charCodeAt(0),
bubbles: true,
cancelable: true,
composed: true
}));
element.dispatchEvent(new KeyboardEvent('keypress', {
key: char,
charCode: char.charCodeAt(0),
keyCode: char.charCodeAt(0),
which: char.charCodeAt(0),
bubbles: true,
cancelable: true
}));
const currentValue = element.value || '';
const start = element.selectionStart || currentValue.length;
const end = element.selectionEnd || currentValue.length;
const newValue = currentValue.substring(0, start) + char + currentValue.substring(end);
const nativeSetter = Object.getOwnPropertyDescriptor(
element.tagName === 'TEXTAREA' ? HTMLTextAreaElement.prototype : HTMLInputElement.prototype,
'value'
).set;
nativeSetter.call(element, newValue);
element.selectionStart = element.selectionEnd = start + 1;
element.dispatchEvent(new InputEvent('input', {
data: char,
inputType: 'insertText',
bubbles: true,
cancelable: false,
composed: true
}));
element.dispatchEvent(new KeyboardEvent('keyup', {
key: char,
code: 'Key' + char.toUpperCase(),
charCode: char.charCodeAt(0),
keyCode: char.charCodeAt(0),
which: char.charCodeAt(0),
bubbles: true,
cancelable: true
}));
await new Promise(resolve => setTimeout(resolve, Math.random() * 10));
}
element.dispatchEvent(new Event('change', { bubbles: true }));
}
// CodeMirror编辑器
async function simulateCodeMirrorTyping(cm, text) {
if (cm.setValue) {
cm.setValue('');
} else if (cm.dispatch) {
cm.dispatch({
changes: {from: 0, to: cm.state.doc.length, insert: ''}
});
}
for (let i = 0; i < text.length; i++) {
const char = text[i];
if (cm.replaceSelection) {
cm.replaceSelection(char);
} else if (cm.dispatch) {
const state = cm.state;
const pos = state.selection.main.head;
cm.dispatch({
changes: {from: pos, insert: char}
});
}
await new Promise(resolve => setTimeout(resolve, Math.random() * 10));
}
}
// 监听粘贴事件 - 捕获阶段优先处理
document.addEventListener('paste', async function(e) {
const target = e.target;
// 只处理输入框
if (target.tagName !== 'TEXTAREA' &&
target.tagName !== 'INPUT' &&
!target.classList.contains('CodeMirror') &&
target.contentEditable !== 'true') {
return;
}
// 阻止网站的粘贴拦截
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
try {
const text = await navigator.clipboard.readText();
if (!text) return;
// 模拟输入
if (target.classList.contains('CodeMirror') && target.CodeMirror) {
await simulateCodeMirrorTyping(target.CodeMirror, text);
} else if (target.tagName === 'TEXTAREA' || target.tagName === 'INPUT') {
await simulateRealTyping(target, text);
} else if (target.contentEditable === 'true') {
for (let char of text) {
document.execCommand('insertText', false, char);
await new Promise(r => setTimeout(r, Math.random() * 10));
}
}
} catch(err) {
console.error(err);
}
}, true);
// 监听 Ctrl+V
document.addEventListener('keydown', async function(e) {
if ((e.ctrlKey || e.metaKey) && e.key === 'v') {
const target = e.target;
// 只处理输入框
if (target.tagName !== 'TEXTAREA' &&
target.tagName !== 'INPUT' &&
!target.classList.contains('CodeMirror') &&
target.contentEditable !== 'true') {
return;
}
// 阻止默认行为
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
try {
const text = await navigator.clipboard.readText();
if (!text) return;
// 模拟输入
if (target.classList.contains('CodeMirror') && target.CodeMirror) {
await simulateCodeMirrorTyping(target.CodeMirror, text);
} else if (target.tagName === 'TEXTAREA' || target.tagName === 'INPUT') {
await simulateRealTyping(target, text);
} else if (target.contentEditable === 'true') {
for (let char of text) {
document.execCommand('insertText', false, char);
await new Promise(r => setTimeout(r, Math.random() * 10));
}
}
} catch(err) {
console.error(err);
}
}
}, true);
})();
/*
This script is not licensed for use, modification, or distribution.
All rights are reserved by the author.
*/