用于屏蔽指定的网站，健康绿色上网，1、防止接触不良内容：屏蔽不适合儿童和青少年的网站，如色情、暴力、赌博等，保护他们的身心健康。2、防止网络欺凌：减少孩子们接触到可能存在网络欺凌的网站和社交平台，降低他们受到伤害的风险。3、防止沉迷：屏蔽游戏和社交媒体网站，帮助儿童专注于学业和其他有益的活动。
// ==UserScript==
// @name 网络青少年模式
// @namespace http://tampermonkey.net/
// @version 3.1.1
// @description 用于屏蔽指定的网站，健康绿色上网，1、防止接触不良内容：屏蔽不适合儿童和青少年的网站，如色情、暴力、赌博等，保护他们的身心健康。2、防止网络欺凌：减少孩子们接触到可能存在网络欺凌的网站和社交平台，降低他们受到伤害的风险。3、防止沉迷：屏蔽游戏和社交媒体网站，帮助儿童专注于学业和其他有益的活动。
// @author wll
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @license AGPL-3.0-or-later
// ==/UserScript==
(function () {
'use strict';
const BLACKLIST_KEY = 'blacklist';
const MAINTENANCE_MESSAGE = '当前网站维修中，请稍后再试...';
// 读取黑名单
function getBlacklist() {
return JSON.parse(GM_getValue(BLACKLIST_KEY, '[]'));
}
// 保存黑名单
function setBlacklist(blacklist) {
GM_setValue(BLACKLIST_KEY, JSON.stringify(blacklist));
}
// 检查当前网站是否在黑名单中
function isSiteInBlacklist() {
const blacklist = getBlacklist();
const currentHost = window.location.host;
return blacklist.includes(currentHost);
}
// 添加当前网站到黑名单
function addCurrentSiteToBlacklist() {
const blacklist = getBlacklist();
const currentHost = window.location.host;
if (!blacklist.includes(currentHost)) {
blacklist.push(currentHost);
setBlacklist(blacklist);
showRefreshMessage(`${currentHost} 已加入黑名单，页面将在3秒后刷新...`);
refreshWithDelay();
} else {
showTemporaryMessage(`${currentHost} 已在黑名单中`);
}
}
// 移除当前网站从黑名单
function removeCurrentSiteFromBlacklist() {
const blacklist = getBlacklist();
const currentHost = window.location.host;
const index = blacklist.indexOf(currentHost);
if (index > -1) {
blacklist.splice(index, 1);
setBlacklist(blacklist);
showRefreshMessage(`${currentHost} 已从黑名单中移除，页面将在3秒后刷新...`);
refreshWithDelay();
} else {
showTemporaryMessage(`${currentHost} 不在黑名单中`);
}
}
// 显示临时提示信息
function showTemporaryMessage(message) {
const tempMessage = document.createElement('div');
tempMessage.style.position = 'fixed';
tempMessage.style.top = '50%';
tempMessage.style.left = '50%';
tempMessage.style.transform = 'translate(-50%, -50%)';
tempMessage.style.backgroundColor = 'rgba(0, 0, 0, 0.8)';
tempMessage.style.color = 'white';
tempMessage.style.padding = '20px';
tempMessage.style.borderRadius = '10px';
tempMessage.style.fontSize = '24px';
tempMessage.style.zIndex = 100000; // 提升 z-index 确保在最顶层
tempMessage.textContent = message;
document.body.appendChild(tempMessage);
setTimeout(() => {
document.body.removeChild(tempMessage);
}, 3000); // 3秒后自动消失
}
// 显示刷新提示
function showRefreshMessage(message) {
const refreshMessage = document.createElement('div');
refreshMessage.style.position = 'fixed';
refreshMessage.style.top = '50%';
refreshMessage.style.left = '50%';
refreshMessage.style.transform = 'translate(-50%, -50%)';
refreshMessage.style.backgroundColor = 'rgba(0, 0, 0, 0.8)';
refreshMessage.style.color = 'white';
refreshMessage.style.padding = '20px';
refreshMessage.style.borderRadius = '10px';
refreshMessage.style.fontSize = '18px';
refreshMessage.style.zIndex = 100000; // 提升 z-index 确保在最顶层
refreshMessage.textContent = message;
document.body.appendChild(refreshMessage);
}
// 延迟刷新页面
function refreshWithDelay() {
let countdown = 3;
const interval = setInterval(() => {
countdown--;
if (countdown <= 0) {
clearInterval(interval);
location.reload();
}
}, 1000); // 每秒更新一次倒计时
}
// 显示管理黑名单的页面
function showBlacklistManager() {
const blacklist = getBlacklist();
const container = document.createElement('div');
container.style.position = 'fixed';
container.style.top = '10%';
container.style.left = '10%';
container.style.width = '80%';
container.style.height = '80%';
container.style.backgroundColor = '#fff';
container.style.border = '1px solid #000';
container.style.zIndex = 10000;
container.style.padding = '20px';
container.style.overflowY = 'auto';
container.style.boxShadow = '0 4px 8px rgba(0,0,0,0.1)';
container.style.borderRadius = '10px';
const closeButton = document.createElement('button');
closeButton.textContent = '关闭';
closeButton.style.position = 'absolute';
closeButton.style.top = '10px';
closeButton.style.right = '10px';
closeButton.style.backgroundColor = '#f44336';
closeButton.style.color = 'white';
closeButton.style.border = 'none';
closeButton.style.borderRadius = '5px';
closeButton.style.padding = '10px';
closeButton.style.cursor = 'pointer';
closeButton.onclick = () => {
container.remove();
};
const table = document.createElement('table');
table.style.width = '100%';
table.style.borderCollapse = 'collapse';
table.style.marginBottom = '20px';
const thead = document.createElement('thead');
const headerRow = document.createElement('tr');
['序号', '网站', '操作'].forEach(text => {
const th = document.createElement('th');
th.textContent = text;
th.style.border = '1px solid #000';
th.style.padding = '8px';
th.style.backgroundColor = '#f0f0f0';
th.style.textAlign = 'center';
headerRow.appendChild(th);
});
thead.appendChild(headerRow);
table.appendChild(thead);
const tbody = document.createElement('tbody');
blacklist.forEach((site, index) => {
const row = document.createElement('tr');
const numberCell = document.createElement('td');
numberCell.textContent = index + 1;
numberCell.style.border = '1px solid #000';
numberCell.style.padding = '8px';
numberCell.style.textAlign = 'center';
row.appendChild(numberCell);
const siteCell = document.createElement('td');
siteCell.textContent = site;
siteCell.style.border = '1px solid #000';
siteCell.style.padding = '8px';
siteCell.style.textAlign = 'center';
row.appendChild(siteCell);
const actionCell = document.createElement('td');
actionCell.style.border = '1px solid #000';
actionCell.style.padding = '8px';
actionCell.style.textAlign = 'center';
const editButton = document.createElement('button');
editButton.textContent = '编辑';
editButton.style.backgroundColor = '#4CAF50';
editButton.style.color = 'white';
editButton.style.border = 'none';
editButton.style.borderRadius = '5px';
editButton.style.padding = '5px 10px';
editButton.style.marginRight = '5px';
editButton.style.cursor = 'pointer';
editButton.onclick = () => {
const newSite = prompt('请输入新的网站地址:', site);
if (newSite) {
blacklist[index] = newSite;
setBlacklist(blacklist);
container.remove();
showBlacklistManager();
}
};
actionCell.appendChild(editButton);
const deleteButton = document.createElement('button');
deleteButton.textContent = '删除';
deleteButton.style.backgroundColor = '#f44336';
deleteButton.style.color = 'white';
deleteButton.style.border = 'none';
deleteButton.style.borderRadius = '5px';
deleteButton.style.padding = '5px 10px';
deleteButton.style.cursor = 'pointer';
deleteButton.onclick = () => {
blacklist.splice(index, 1);
setBlacklist(blacklist);
container.remove();
showBlacklistManager();
};
actionCell.appendChild(deleteButton);
row.appendChild(actionCell);
tbody.appendChild(row);
});
table.appendChild(tbody);
const addButton = document.createElement('button');
addButton.textContent = '添加新网站';
addButton.style.display = 'block';
addButton.style.margin = '0 auto 20px auto';
addButton.style.backgroundColor = '#2196F3';
addButton.style.color = 'white';
addButton.style.border = 'none';
addButton.style.borderRadius = '5px';
addButton.style.padding = '10px';
addButton.style.cursor = 'pointer';
addButton.onclick = () => {
const newSite = prompt('请输入要加入黑名单的站点:');
if (newSite && !blacklist.includes(newSite)) {
blacklist.push(newSite);
setBlacklist(blacklist);
container.remove();
showBlacklistManager();
showTemporaryMessage(`${newSite} 已加入黑名单`);
} else if (newSite) {
showTemporaryMessage(`${newSite} 已在黑名单中`);
}
};
const addCurrentButton = document.createElement('button');
addCurrentButton.textContent = '添加当前网站到黑名单';
addCurrentButton.style.display = 'block';
addCurrentButton.style.margin = '0 auto 20px auto';
addCurrentButton.style.backgroundColor = '#2196F3';
addCurrentButton.style.color = 'white';
addCurrentButton.style.border = 'none';
addCurrentButton.style.borderRadius = '5px';
addCurrentButton.style.padding = '10px';
addCurrentButton.style.cursor = 'pointer';
addCurrentButton.onclick = () => {
addCurrentSiteToBlacklist();
container.remove();
showBlacklistManager();
};
const removeCurrentButton = document.createElement('button');
removeCurrentButton.textContent = '移出当前网站黑名单';
removeCurrentButton.style.display = 'block';
removeCurrentButton.style.margin = '0 auto 20px auto';
removeCurrentButton.style.backgroundColor = '#f44336';
removeCurrentButton.style.color = 'white';
removeCurrentButton.style.border = 'none';
removeCurrentButton.style.borderRadius = '5px';
removeCurrentButton.style.padding = '10px';
removeCurrentButton.style.cursor = 'pointer';
removeCurrentButton.onclick = () => {
removeCurrentSiteFromBlacklist();
container.remove();
showBlacklistManager();
};
container.appendChild(closeButton);
container.appendChild(table);
container.appendChild(addButton);
container.appendChild(addCurrentButton);
container.appendChild(removeCurrentButton);
document.body.appendChild(container);
}
// 注册菜单命令
GM_registerMenuCommand('添加当前网站到黑名单', addCurrentSiteToBlacklist);
GM_registerMenuCommand('移出当前网站黑名单', removeCurrentSiteFromBlacklist);
GM_registerMenuCommand('管理黑名单', showBlacklistManager);
// 如果当前网站在黑名单中，显示维护提示并禁止访问
if (isSiteInBlacklist()) {
const maintenanceContainer = document.createElement('div');
maintenanceContainer.style.position = 'fixed';
maintenanceContainer.style.top = '0';
maintenanceContainer.style.left = '0';
maintenanceContainer.style.width = '100%';
maintenanceContainer.style.height = '100%';
maintenanceContainer.style.backgroundColor = '#f0f0f0';
maintenanceContainer.style.zIndex = '9999';
maintenanceContainer.style.display = 'flex';
maintenanceContainer.style.justifyContent = 'center';
maintenanceContainer.style.alignItems = 'center';
maintenanceContainer.style.flexDirection = 'column';
maintenanceContainer.innerHTML = `
<div style="text-align:center; font-size:24px; color:red; margin-bottom:20px;">${MAINTENANCE_MESSAGE}</div>
`;
document.body.innerHTML = '';
document.body.appendChild(maintenanceContainer);
window.stop();
}
})();