聚合搜索V4

整合百度、Google、微信、Bing、知乎、知网空间搜索，提高搜索效率。在原作者基础上自行修改了部分内容，原作者链接：https://gf.qytechs.cn/zh-CN/scripts/436652
目前为 2022-02-18 提交的版本。查看最新版本。
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// ==UserScript==
// @name         聚合搜索V4
// @namespace    http://tampermonkey.net/
// @version      0.1.3
// @description  整合百度、Google、微信、Bing、知乎、知网空间搜索，提高搜索效率。在原作者基础上自行修改了部分内容，原作者链接：https://gf.qytechs.cn/zh-CN/scripts/436652
// @author       Liao Brant

// @match        *://www.baidu.com/s*
// @match        *://www.google.com/search*
// @match        *://weixin.sogou.com/weixin*
// @match        *://www.bing.com/search*
// @match        *://www.zhihu.com/search*
// @match        *://search.cnki.com.cn/Search/Result*

// @grant        unsafeWindow
// @grant        window.onload
// @grant        GM_getValue
// @grant        GM_setValue
// @run-at       document-body

// @license     MIT
// ==/UserScript==

// @require      https://gf.qytechs.cn/zh-CN/scripts/436652

// 搜索网址配置
const urlMapping = [
  {
    name: '百度',
    searchUrl: 'https://www.baidu.com/s?wd=',
    keyName: 'wd',
    testUrl: /https:\/\/www.baidu.com\/s.*/,
  },
  {
    name: 'Google',
    searchUrl: 'https://www.google.com/search?q=',
    keyName: 'q',
    testUrl: /https:\/\/www.google.com\/search.*/,
  },
  {
    name: '微信文章',
    searchUrl: 'https://weixin.sogou.com/weixin?type=2&s_from=input&query=',
    keyName: 'query',
    testUrl: /https:\/\/weixin.sogou.com\/weixin.*/,
  },
  {
    name: 'Bing',
    searchUrl: 'https://www.bing.com/search?ensearch=0&q=',
    keyName: 'q',
    testUrl: /https:\/\/www.bing.com\/search.*/,
  },
  {
    name: '知乎',
    searchUrl: 'https://www.zhihu.com/search?type=content&q=',
    keyName: 'q',
    testUrl: /https:\/\/www.google.com.hk\/search.*/,
  },
  {
    name: '知网空间',
    searchUrl: 'https://search.cnki.com.cn/Search/Result?content=',
    keyName: 'q',
    testUrl: /https:\/\/fsou.cc\/search.*/,
  },
];

// JS获取url参数
function getQueryVariable(variable) {
  let query = window.location.search.substring(1);
  let pairs = query.split('&');
  for (let pair of pairs) {
    let [key, value] = pair.split('=');
    if (key == variable) {
      return decodeURIComponent(value);
    }
  }
  return null;
}

// 从url中获取搜索关键词
function getKeywords() {
  let keywords = '';
  for (let item of urlMapping) {
    if (item.testUrl.test(window.location.href)) {
      keywords = getQueryVariable(item.keyName);
      break;
    }
  }
  console.log(keywords);
  return keywords;
}

// 域名
const hostname = window.location.hostname;

let isBlank = GM_getValue('isBlank');

console.log('新标签页打开？', isBlank)
if(isBlank === undefined){
    GM_setValue('isBlank', false);
    isBlank = false;
}

// 改变打开搜索引擎的方式
const engine = document.getElementsByClassName('search-engine-a');
function triggerAttribute(value) {
  for (const item of engine) {
    item.target = value;
  }
}

// 添加节点
function addBox() {
  // 主元素
  var div = document.createElement('div');
  div.id = 'search-app-box';
  div.style =
    'position: fixed; top: 160px; left: 20px; width: 100px; background-color: #EEEEEE; font-size: 12px;z-index: 99999;';
  // document.body.appendChild(div)
  document.body.insertAdjacentElement('afterBegin', div);

  // 标题
  let title = document.createElement('span');
  title.innerText = '聚合搜索';
  title.style = `
    display: block;
    text-align: center;
    margin-top: 10px; 
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: bold;
    -webkit-user-select:none;
    -moz-user-select:none;
    -ms-user-select:none;
    user-select:none;`;
  title.style.textDecoration =  isBlank? 'underline': '';
  title.ondblclick = () => {
    title.style.textDecoration = !isBlank? 'underline': '';
    GM_setValue('isBlank', !isBlank);
    isBlank = !isBlank;
    triggerAttribute(isBlank?'_blank':'');
  }
  div.appendChild(title);

  // 搜索列表
  for (let index in urlMapping) {
    let item = urlMapping[index];

    // 样式
    let style =
      'display: block; padding: 10px 0 10px 20px; text-decoration: none;';
    let defaultStyle = style + 'color: #333333 !important;';
    let hoverStyle =
      style + 'color: #ffffff !important; background-color: #666666;';

    let a = document.createElement('a');
    a.innerText = item.name;
    a.style = defaultStyle;
    a.className = 'search-engine-a';
    a.href = item.searchUrl + getKeywords();
    if (!item.searchUrl.includes(hostname) && isBlank) {
      a.target = '_blanck';
    }

    // 鼠标移入移除效果，相当于hover
    a.onmouseenter = function () {
      this.style = hoverStyle;
    };
    a.onmouseleave = function () {
      this.style = defaultStyle;
    };
    div.appendChild(a);
  }
}

(function () {
  'use strict';
  window.onload = addBox();
})();
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