搜索框增强 + 结果列表上下键选择 + 回车跳转 + ESC回搜索框(清空) + 左右键翻页 + 匹配站点全站解除禁止复制 + 403自动跳转
// ==UserScript==
// @name E书刊 & 万维学术 搜索增强套件
// @namespace http://tampermonkey.net/
// @version 1.4
// @description 搜索框增强 + 结果列表上下键选择 + 回车跳转 + ESC回搜索框(清空) + 左右键翻页 + 匹配站点全站解除禁止复制 + 403自动跳转
// @match http://www.eshukan.com/*
// @match https://www.eshukan.com/*
// @match https://www.wanweixueshu.com/*
// @grant GM_xmlhttpRequest
// @connect eshukan.com
// @author Fomo
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 如果在 eshukan.com，先检测是否403
if (location.hostname.includes("eshukan.com")) {
GM_xmlhttpRequest({
method: "GET",
url: window.location.href,
onload: function(response) {
if (response.status === 403) {
console.warn("⚠️ E书刊403禁止访问，跳转到万维学术");
window.location.href = "https://www.wanweixueshu.com/index.html";
}
},
onerror: function() {
console.error("❌ 请求失败，可能无法检测403");
}
});
}
// 全站解除禁止复制
function unlockCopy() {
document.querySelectorAll('[onselectstart],[oncopy],[oncontextmenu]').forEach(el => {
el.onselectstart = null;
el.oncopy = null;
el.oncontextmenu = null;
});
['onselectstart', 'oncopy', 'oncontextmenu'].forEach(evt => {
document.body[evt] = null;
});
console.log("✅ 已解除复制限制");
}
unlockCopy();
// 以下为原来的功能
function enhanceSearchBox() {
let input = null, button = null;
if (location.hostname.includes('eshukan.com')) {
input = document.querySelector('#search input.text');
button = document.querySelector('#search input.btn');
if (!input) {
input = document.querySelector('#Top1_search_TextBox1');
button = document.querySelector('#Top1_search_ImageButton1');
}
} else if (location.hostname.includes('wanweixueshu.com')) {
input = document.querySelector('#SearchForm input[name="keyword"]');
button = document.querySelector('#SearchForm input.key-btn');
}
if (input && button) {
input.focus();
input.addEventListener('focus', function() {
if (input.placeholder) {
input.setAttribute('data-old-placeholder', input.placeholder);
input.placeholder = '';
}
});
input.addEventListener('click', function() {
if (input.value) {
input.select();
}
});
input.addEventListener('keydown', function(e) {
if (e.key === 'Enter') {
e.preventDefault();
button.click();
}
if (e.key === 'Escape') {
e.preventDefault();
input.value = '';
}
});
}
return input;
}
function enableListKeyboardNav(searchInput) {
const items = Array.from(document.querySelectorAll('#allclass .onejinfo'));
if (items.length === 0) return;
let selectedIndex = -1;
const style = document.createElement('style');
style.textContent = `
.onejinfo.selected {
background-color: #ffeeba !important;
border-left: 4px solid #ff9900 !important;
}
`;
document.head.appendChild(style);
function updateSelection(newIndex) {
if (selectedIndex >= 0 && items[selectedIndex]) {
items[selectedIndex].classList.remove('selected');
}
selectedIndex = newIndex;
if (selectedIndex >= 0 && selectedIndex < items.length) {
items[selectedIndex].classList.add('selected');
items[selectedIndex].scrollIntoView({behavior: 'smooth', block: 'center'});
}
}
function findPaginationLink(rel) {
let pageDiv = document.querySelector('#pageinfo');
if (pageDiv) {
const links = Array.from(pageDiv.querySelectorAll('a'));
const current = pageDiv.querySelector('a.active');
if (!current) {
if (rel === 'prev') {
const prevLink = links.find(a => a.textContent.includes('上一页'));
return prevLink ? prevLink.href : null;
} else if (rel === 'next') {
const nextLink = links.find(a => a.textContent.includes('下一页'));
return nextLink ? nextLink.href : null;
}
return null;
}
const currentIndex = links.indexOf(current);
if (rel === 'prev') {
for (let i = currentIndex - 1; i >= 0; i--) {
if (links[i] && !links[i].classList.contains('active')) return links[i].href;
}
const prevLink = links.find(a => a.textContent.includes('上一页'));
return prevLink ? prevLink.href : null;
} else if (rel === 'next') {
for (let i = currentIndex + 1; i < links.length; i++) {
if (links[i] && !links[i].classList.contains('active')) return links[i].href;
}
const nextLink = links.find(a => a.textContent.includes('下一页'));
return nextLink ? nextLink.href : null;
}
return null;
}
pageDiv = document.querySelector('.pageinfo');
if (pageDiv) {
const links = Array.from(pageDiv.querySelectorAll('a'));
const current = pageDiv.querySelector('a.active');
if (!current) return null;
const currentIndex = links.indexOf(current);
if (rel === 'prev') {
for (let i = currentIndex - 1; i >= 0; i--) {
if (links[i] && !links[i].classList.contains('active')) return links[i].href;
}
const leftArrowLink = links.find(a => a.querySelector('i.iconfont.icon-xzjt'));
if (leftArrowLink) return leftArrowLink.href;
} else if (rel === 'next') {
for (let i = currentIndex + 1; i < links.length; i++) {
if (links[i] && !links[i].classList.contains('active')) return links[i].href;
}
const rightArrowLink = links.find(a => a.querySelector('i.iconfont.icon-xyjt'));
if (rightArrowLink) return rightArrowLink.href;
}
return null;
}
return null;
}
window.addEventListener('keydown', function(e) {
const activeEl = document.activeElement;
if (e.key === 'Enter' && selectedIndex >= 0) {
e.preventDefault();
const link = items[selectedIndex].querySelector('a[target="_blank"], a');
if (link) {
if (link.target === '_blank') {
window.open(link.href, '_blank');
} else {
window.location.href = link.href;
}
}
return;
}
if (activeEl === searchInput) {
if (e.key === 'ArrowDown') {
e.preventDefault();
searchInput.blur();
updateSelection(0);
}
return;
}
if (e.key === 'ArrowDown') {
e.preventDefault();
let nextIndex = selectedIndex + 1;
if (nextIndex >= items.length) nextIndex = 0;
updateSelection(nextIndex);
} else if (e.key === 'ArrowUp') {
e.preventDefault();
let prevIndex = selectedIndex - 1;
if (prevIndex < 0) prevIndex = items.length - 1;
updateSelection(prevIndex);
}
if (e.key === 'ArrowLeft' || e.key === 'ArrowRight') {
const rel = e.key === 'ArrowLeft' ? 'prev' : 'next';
const url = findPaginationLink(rel);
if (url) {
e.preventDefault();
window.location.href = url;
}
}
});
}
window.addEventListener('load', function() {
const searchInput = enhanceSearchBox();
enableListKeyboardNav(searchInput);
// ESC 清空搜索框
window.addEventListener('keydown', function(e) {
if (e.key === 'Escape') {
let input = searchInput;
if (!input || !document.body.contains(input)) {
input = (function(){
if (location.hostname.includes('eshukan.com')) {
return document.querySelector('#search input.text') || document.querySelector('#Top1_search_TextBox1');
} else if (location.hostname.includes('wanweixueshu.com')) {
return document.querySelector('#SearchForm input[name="keyword"]');
}
return null;
})();
}
if (input) {
e.preventDefault();
input.value = '';
input.focus();
const selected = document.querySelector('.onejinfo.selected');
if (selected) selected.classList.remove('selected');
}
}
}, true);
});
})();