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实现一个划词查找功能的油猴插件，在页面上划选文字时，自动弹出查找框并搜索选中文字，并提供是否跳转至搜索结果页面的选择，方便用户操作。同时还会显示一个提示框，告知用户已经执行了搜索操作。如果用户没有点击确认或取消，则不会进行任何操作。如需跳转，请在提示框中点击“确认”按钮；如不跳转，请点击“取消”按钮或勾选“不再询问”，下次不再弹出提示框。本插件将选中的文字高亮显示。
当前为
// ==UserScript==
// @license MIT
// @name 划词查找
// @namespace JMY114514
// @version 2.0
// @description 实现一个划词查找功能的油猴插件，在页面上划选文字时，自动弹出查找框并搜索选中文字，并提供是否跳转至搜索结果页面的选择，方便用户操作。同时还会显示一个提示框，告知用户已经执行了搜索操作。如果用户没有点击确认或取消，则不会进行任何操作。如需跳转，请在提示框中点击“确认”按钮；如不跳转，请点击“取消”按钮或勾选“不再询问”，下次不再弹出提示框。本插件将选中的文字高亮显示。
// @author JMY114514
// @match *://*/*
// @grant GM_addStyle
// ==/UserScript==
// @license MIT
GM_addStyle(`
.highlight {
background-color: yellow !important;
}
`);
let autoRedirect = false;
let noPrompt = false;
function doSearch(selectedText) {
let searchUrl = `https://www.baidu.com/s?wd=${encodeURIComponent(selectedText)}`;
highlightSelection();
if (autoRedirect) {
window.location.href = searchUrl;
} else {
showConfirmation(`是否跳转到百度搜索 "${selectedText}" 的结果页？`, searchUrl);
}
showNotification(`已搜索 "${selectedText}"`);
}
document.addEventListener('mouseup', function(e) {
let selection = window.getSelection().toString().trim();
if (selection.length > 0) {
doSearch(selection);
} else {
removeHighlight();
hideNotification();
}
});
function highlightSelection() {
removeHighlight();
let span = document.createElement('span');
span.classList.add('highlight');
window.getSelection().getRangeAt(0).surroundContents(span);
}
function removeHighlight() {
let highlights = document.querySelectorAll('.highlight');
highlights.forEach(function(highlight) {
let parent = highlight.parentNode;
parent.replaceChild(highlight.firstChild, highlight);
parent.normalize();
});
}
let notification, confirmation;
function createNotification() {
if (notification) return;
notification = document.createElement('div');
notification.style.position = 'fixed';
notification.style.right = '30px';
notification.style.bottom = '30px';
notification.style.padding = '10px';
notification.style.backgroundColor = '#333';
notification.style.color = '#fff';
notification.style.fontWeight = 'bold';
notification.style.borderRadius = '5px';
notification.style.boxShadow = '0 2px 5px rgba(0,0,0,0.3)';
document.body.appendChild(notification);
}
function showNotification(message) {
createNotification();
notification.innerText = message;
clearTimeout(notification.timer);
notification.style.opacity = 1;
notification.timer = setTimeout(function() {
hideNotification();
}, 3000);
}
function hideNotification() {
if (!notification) return;
notification.style.opacity = 0;
clearTimeout(notification.timer);
notification.timer = setTimeout(function() {
notification.remove();
notification = null;
}, 1000);
}
function createConfirmation() {
if (confirmation) return;
confirmation = document.createElement('div');
confirmation.style.position = 'fixed';
confirmation.style.top = '50%';
confirmation.style.left = '50%';
confirmation.style.transform = 'translate(-50%, -50%)';
confirmation.style.padding = '20px';
confirmation.style.backgroundColor = '#fff';
confirmation.style.color = '#333';
confirmation.style.fontWeight = 'bold';
confirmation.style.borderRadius = '5px';
confirmation.style.boxShadow = '0 2px 5px rgba(0,0,0,0.3)';
document.body.appendChild(confirmation);
let title = document.createElement('div');
title.style.fontSize = '16px';
title.style.marginBottom = '10px';
title.innerText = '确认跳转';
let message = document.createElement('div');
message.style.fontSize = '14px';
message.style.marginBottom = '20px';
let cancelBtn = document.createElement('button');
cancelBtn.style.display = 'inline-block';
cancelBtn.style.padding = '5px 20px';
cancelBtn.style.backgroundColor = '#ccc';
cancelBtn.style.color = '#fff';
cancelBtn.style.borderRadius = '5px';
cancelBtn.style.border = 'none';
cancelBtn.style.marginRight = '20px';
cancelBtn.innerText = '取消';
let confirmBtn = document.createElement('button');
confirmBtn.style.display = 'inline-block';
confirmBtn.style.padding = '5px 20px';
confirmBtn.style.backgroundColor = '#333';
confirmBtn.style.color = '#fff';
confirmBtn.style.borderRadius = '5px';
confirmBtn.style.border = 'none';
confirmBtn.innerText = '确认';
let noPromptCheckbox = document.createElement('input');
noPromptCheckbox.type = 'checkbox';
noPromptCheckbox.id = 'no-prompt-checkbox';
noPromptCheckbox.style.marginRight = '10px';
noPromptCheckbox.addEventListener('change', function() {
noPrompt = noPromptCheckbox.checked;
});
let noPromptLabel = document.createElement('label');
noPromptLabel.setAttribute('for', 'no-prompt-checkbox');
noPromptLabel.innerText = '不再询问';
confirmation.appendChild(title);
confirmation.appendChild(message);
confirmation.appendChild(noPromptCheckbox);
confirmation.appendChild(noPromptLabel);
confirmation.appendChild(cancelBtn);
confirmation.appendChild(confirmBtn);
cancelBtn.addEventListener('click', function() {
hideConfirmation();
});
confirmBtn.addEventListener('click', function() {
if (noPrompt) {
autoRedirect = true;
}
hideConfirmation();
window.open(searchUrl, '_blank');
});
}
function showConfirmation(message, url) {
createConfirmation();
confirmation.querySelector('div:nth-of-type(2)').innerText = message;
searchUrl = url;
confirmation.style.display = 'block';
}
function hideConfirmation() {
if (!confirmation) return;
confirmation.style.display = 'none';
}
let searchBtn = document.createElement('button');
searchBtn.innerText = '划词查找';
searchBtn.style.position = 'fixed';
searchBtn.style.right = '50px';
searchBtn.style.bottom = '30px';
searchBtn.style.padding = '10px';
searchBtn.style.backgroundColor = '#333';
searchBtn.style.color = '#fff';
searchBtn.style.fontWeight = 'bold';
searchBtn.style.borderRadius = '5px';
searchBtn.style.boxShadow = '0 2px 5px rgba(0,0,0,0.3)';
searchBtn.addEventListener('click', function() {
let selection = window.getSelection().toString().trim();
if (selection.length > 0) {
doSearch(selection);
} else {
removeHighlight();
hideNotification();
}
});
document.body.appendChild(searchBtn);