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显示网页存储的Storage内容到悬浮窗
// ==UserScript==
// @name Storage Viewer
// @namespace http://tampermonkey.net/
// @version 0.1
// @description 显示网页存储的Storage内容到悬浮窗
// @author Dahi
// @license MIT
// @match *://*/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// 创建悬浮窗容器
const container = document.createElement('div');
container.style.position = 'fixed';
container.style.right = '20px';
container.style.top = '20px';
container.style.width = '300px';
container.style.maxHeight = '500px';
container.style.overflow = 'auto';
container.style.backgroundColor = '#fff';
container.style.border = '1px solid #ccc';
container.style.boxShadow = '0 0 10px rgba(0,0,0,0.2)';
container.style.zIndex = '9999';
container.style.padding = '10px';
container.style.fontFamily = 'Arial, sans-serif';
container.style.fontSize = '12px';
container.style.borderRadius = '5px';
// 创建标题栏
const header = document.createElement('div');
header.textContent = 'Storage Viewer (可拖动)';
header.style.padding = '5px';
header.style.backgroundColor = '#f0f0f0';
header.style.cursor = 'move';
header.style.borderBottom = '1px solid #ddd';
header.style.marginBottom = '10px';
header.style.userSelect = 'none';
// 创建内容区域
const content = document.createElement('div');
content.id = 'storage-content';
// 创建刷新按钮
const refreshBtn = document.createElement('button');
refreshBtn.textContent = '刷新';
refreshBtn.style.marginTop = '10px';
refreshBtn.style.padding = '5px 10px';
refreshBtn.style.cursor = 'pointer';
// 组装元素
container.appendChild(header);
container.appendChild(content);
container.appendChild(refreshBtn);
document.body.appendChild(container);
// 更新Storage显示
function updateStorageDisplay() {
let html = '<h3 style="margin:0 0 5px 0;">localStorage</h3>';
if (localStorage.length > 0) {
html += '<table style="width:100%; border-collapse:collapse; margin-bottom:15px;">';
for (let i = 0; i < localStorage.length; i++) {
const key = localStorage.key(i);
const value = localStorage.getItem(key);
html += `
<tr style="border-bottom:1px solid #eee;">
<td style="padding:3px; font-weight:bold; width:30%; word-break:break-all;">${escapeHtml(key)}</td>
<td style="padding:3px; word-break:break-all;">${escapeHtml(value)}</td>
</tr>
`;
}
html += '</table>';
} else {
html += '<p>空</p>';
}
html += '<h3 style="margin:15px 0 5px 0;">sessionStorage</h3>';
if (sessionStorage.length > 0) {
html += '<table style="width:100%; border-collapse:collapse;">';
for (let i = 0; i < sessionStorage.length; i++) {
const key = sessionStorage.key(i);
const value = sessionStorage.getItem(key);
html += `
<tr style="border-bottom:1px solid #eee;">
<td style="padding:3px; font-weight:bold; width:30%; word-break:break-all;">${escapeHtml(key)}</td>
<td style="padding:3px; word-break:break-all;">${escapeHtml(value)}</td>
</tr>
`;
}
html += '</table>';
} else {
html += '<p>空</p>';
}
content.innerHTML = html;
}
// HTML转义函数
function escapeHtml(unsafe) {
if (typeof unsafe !== 'string') return unsafe;
return unsafe
.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">")
.replace(/"/g, """)
.replace(/'/g, "'");
}
// 拖拽功能
let isDragging = false;
let offsetX, offsetY;
header.addEventListener('mousedown', (e) => {
isDragging = true;
offsetX = e.clientX - container.getBoundingClientRect().left;
offsetY = e.clientY - container.getBoundingClientRect().top;
container.style.cursor = 'move';
});
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
container.style.left = (e.clientX - offsetX) + 'px';
container.style.top = (e.clientY - offsetY) + 'px';
container.style.right = 'auto';
});
document.addEventListener('mouseup', () => {
isDragging = false;
container.style.cursor = 'default';
});
// 刷新按钮点击事件
refreshBtn.addEventListener('click', updateStorageDisplay);
// 初始显示
updateStorageDisplay();
// 监听storage变化
window.addEventListener('storage', updateStorageDisplay);
})();