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remove the jump link in BAIDU

去除百度搜索跳转链接

当前为 2015-10-31 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name    remove the jump link in BAIDU
  3. // @author  burningall
  4. // @description 去除百度搜索跳转链接
  5. // @version     2015.10.23
  6. // @include     *www.baidu.com*
  7. // @grant       GM_xmlhttpRequest
  8. // @run-at      document-start
  9. // @compatible  chrome  完美运行
  10. // @compatible  firefox  完美运行
  11. // @license     The MIT License (MIT); http://opensource.org/licenses/MIT
  12. // @supportURL      http://www.burningall.com
  13. // @contributionURL troy450409405@gmail.com|alipay.com
  14. // @namespace https://greasyfork.org/zh-CN/users/3400-axetroy
  15. // ==/UserScript==
  16. (function(win,doc,undefined) {
  17.   //=====配置参数======
  18.   var config = {
  19.     // 需要跳转的链接
  20.     macthRules: 'a[href*="www.baidu.com/link?url"]:not([transcoding]):not([transcoded]):not([transcodedAll]):not(.m)',
  21.     // 请求失败，需要再次请求的链接
  22.     reloadRules: 'a[transcoded*="false"]',
  23.     // 是否正在请求全部，不要修改
  24.     transcodingAll:false,
  25.   };
  26.   //======事件对象=======
  27.   function handler(obj) {
  28.     return new Event(obj);
  29.   }
  30.   function Event(obj) {
  31.     this.element = obj;
  32.     return this;
  33.   }
  34.   Event.prototype.addEvent = function(type, fn) {
  35.     var obj = this.element,ev;
  36.     return obj.addEventListener ?
  37.       obj.addEventListener(type, function(e) {
  38.         ev = win.event ? win.event : (e ? e : null);
  39.         ev.target = ev.target || ev.srcElement;
  40.         if (fn.call(obj, ev) === false) {
  41.           ev.cancelBubble = true;
  42.           ev.preventDefault();
  43.         }
  44.       }, false) :
  45.       obj.attachEvent('on' + type, function(e) {
  46.         ev = win.event ? win.event : (e ? e : null);
  47.         ev.target = ev.target || ev.srcElement;
  48.         if (fn.call(obj, ev) === false) {
  49.           ev.cancelBubble = true;
  50.           return false;
  51.         }
  52.       });
  53.   };
  54.   // 事件绑定
  55.   Event.prototype.bind = function(type, fn) {
  56.     var obj = this.element;
  57.     // 传入json
  58.     if (arguments.length == 1) {
  59.       for (var attr in type) {
  60.         this.addEvent(attr, type[attr]);
  61.       }
  62.     }
  63.     // 传入2个参数
  64.     else if (arguments.length == 2) {
  65.       var events = type.split(' '),j = 0;
  66.       while (j < events.length) {
  67.         this.addEvent(events[j], fn);
  68.         j++;
  69.       }
  70.     }
  71.     return this;
  72.   };
  73.   // 监听
  74.   Event.prototype.ob = function(config, fn) {
  75.     var target = this.element,
  76.         MutationObserver = win.MutationObserver || win.WebKitMutationObserver || win.MozMutationObserver,
  77.         observer = new MutationObserver(function(mutations) {
  78.           mutations.forEach(function(mutation) {
  79.             fn.call(target);
  80.           });
  81.         });
  82.     observer.observe(target, config);
  83.     return this;
  84.   };
  85.   //======公共函数=======
  86.   // 获取DOM节点的文本
  87.   function getText(obj){
  88.     return obj.innerText ? obj.innerText : obj.textContent;
  89.   }
  90.   // AJAX
  91.   function ajax(url,json,a){
  92.     // this>>>a
  93.     a = a ? a : win;
  94.     if( json.beforeFn ){
  95.       // 如果返回值为false，则不请求
  96.       if( json.beforeFn.call(a,url)===false ) return;//this>>>a
  97.     }
  98.     GM_xmlhttpRequest({
  99.       method: "GET",
  100.       url: url,
  101.       onreadystatechange: function(response) {
  102.         if (response.readyState == 4) {
  103.           var status = response.status + '';
  104.           if (status.charAt(0) == "4" || status.charAt(0) == "5") { //4XX，5XX错误
  105.             if( json.failFn ) json.failFn.call(a,status,url);//this>>>a
  106.           } else {
  107.             if( json.successFn ) json.successFn.call(a,response.responseText,url);//this>>>a
  108.           }
  109.         }
  110.       }
  111.     });
  112.   }
  113.   //======主体对象=======
  114.   function init(agm) {
  115.     return new Init(agm);
  116.   }
  117.   // 初始化
  118.   function Init(agm) {
  119.     // 不传参数则返回
  120.     if (!agm) return this;
  121.     // 获取到要跳转的A链接
  122.     var jumpLinks = doc.querySelectorAll(agm);
  123.     // 在可视区域内的跳转链接
  124.     this.inViewPort = [];
  125.     for (var j = 0,leng = jumpLinks.length; j < leng; j++) {
  126.       this.a = jumpLinks[j];
  127.       // 在可视区域内
  128.       if ( this.visible() ) this.inViewPort.push(jumpLinks[j]);
  129.     }
  130.     // 删除百度搜索追踪
  131.     var trackDiv = doc.querySelectorAll('#content_left *[data-click]');
  132.     for( var i=0,len=trackDiv.length;i<len;i++ ){
  133.       trackDiv[i].removeAttribute('data-click');
  134.     }
  135.     return this;
  136.   }
  137.   // 全局请求
  138.   Init.prototype.all = function(callBack){
  139.     // 搜索框的关键字
  140.     var searchWord = doc.getElementById('kw').value,
  141.     // 构建新的请求url，把tn=baidulocal替换成tn=baidulocal
  142.       url = win.top.location.href.replace('https', 'http').replace(/(\&)(tn=\w+)(\&)/img, '$1' + 'tn=baidulocal' + '$3').replace(/(\&)(wd=\w+)(\&)/img, '$1' + 'wd='+ searchWord + '$3');
  143.     ajax(url,{
  144.       // 请求发出前
  145.       "beforeFn":function(url){
  146.         config.transcodingAll=true;
  147.       },
  148.       // 请求失败 
  149.       "failFn":function(status,url){
  150.         this.setAttribute("transcoded","false");
  151.         console.log( '请求' + url + '结果：' + status );
  152.       },
  153.       // 请求成功
  154.       "successFn":function(response,url){
  155.         var html = doc.createElement('html');
  156.         // 讨厌的http百度图片
  157.         html.innerHTML = response.replace(/http\:\/\/(.*)\.gif/img, "http://wwwbaidu.com");
  158.         // 请求得到的所有A标签
  159.         var requireAtag = html.querySelectorAll('.f>a'),
  160.         // 存放信息的哈希表
  161.           info = {};//href：innerText
  162.         // 存放href和innerText到info中
  163.         for (var i = 0,length = requireAtag.length; i < length; i++) {
  164.           if ( info[requireAtag[i].href] === undefined) info[ requireAtag[i].href ] = getText( requireAtag[i] );
  165.         }
  166.         // 当前页的需要跳转的A标签
  167.         var currentAtag = doc.querySelectorAll('.t>a:not(.OP_LOG_LINK):not([transcoded]):not([transcodedAll])');
  168.         // 循环匹配，替换url
  169.         for (var trueLink in info) {
  170.           for (var j = 0,len = currentAtag.length; j < len; j++) {
  171.             // 如果符合条件
  172.             if ( info[trueLink].replace(/\s*/img, '') == getText( currentAtag[j] ).replace(/\s*/img,'') ) {
  173.               currentAtag[j].href = trueLink;
  174.               currentAtag[j].setAttribute('transcodedAll','true');
  175.               currentAtag[j].setAttribute('transcoded','true');
  176.               // currentAtag[j].style.background = 'red';
  177.             }
  178.           }
  179.         }
  180.         config.transcodingAll=false;
  181.         // 回调函数
  182.         if(callBack) callBack();
  183.       }
  184.     });
  185.   };
  186.   // 逐一请求
  187.   Init.prototype.onebyone = function(){
  188.     var leng = this.inViewPort.length;
  189.     // 如果可视区域内不存在跳转链接
  190.     if (leng <= 0) return;
  191.     // 对在可视区域内的跳转链接，进行循环逐一请求
  192.     for (var i = 0; i < leng; i++) {
  193.       this.a = this.inViewPort[i];
  194.       // 如果已经全局请求过了
  195.       if( this.a.getAttribute("transcodedAll") ) continue;
  196.       // url构建：url必须要加上"&wd=&eqid=0"，否则出错
  197.       ajax(this.a.href.replace("http", "https") + "&wd=&eqid=0",{
  198.         // 请求前
  199.         "beforeFn":function(url){
  200.           this.setAttribute("transcoding", "true");
  201.         },
  202.         // 请求失败
  203.         "failFn":function(status,url){
  204.           this.setAttribute("transcoded", "false");
  205.           console.log( '请求' + url + '结果：' + status );
  206.         },
  207.         // 请求成功
  208.         "successFn":function(responseStr,url){
  209.           var trueLink = responseStr.match(/\(\"\S+\"\)/img)[0].replace(/^[\(\"]*|[\)\"]*$/img,"");
  210.           this.href = trueLink;
  211.           this.removeAttribute("transcoding");
  212.           this.setAttribute("transcoded", "true");
  213.         }
  214.       },this.a);
  215.     }
  216.     return this;
  217.   };
  218.   // 检查是否在可视区域内
  219.   Init.prototype.visible = function() {
  220.     var obj = this.a,pos = obj.getBoundingClientRect(),w,h,inViewPort;
  221.     if (doc.documentElement.getBoundingClientRect) {
  222.       w = doc.documentElement.clientWidth || doc.body.clientWidth;
  223.       h = doc.documentElement.clientHeight || doc.body.clientHeight;
  224.       inViewPort = pos.top > h || pos.bottom < 0 || pos.left > w || pos.right < 0;
  225.       return inViewPort ? false : true;
  226.     }
  227.   };
  228.   //======执行=======
  229.   handler(doc).bind({
  230.     // 页面加载完毕则开始执行
  231.     "DOMContentLoaded": function() {
  232.       if( config.transcodingAll===false ){
  233.         // 全局请求
  234.         init().all(function() {
  235.           // 逐一请求
  236.           init(config.macthRules).onebyone();
  237.           // 翻页监听
  238.           handler(doc).ob({
  239.             "childList":true,
  240.             "subtree":true
  241.           },function(){
  242.             if( !config.transcodingAll ){
  243.               init().all(function() {
  244.                 init(config.macthRules).onebyone();
  245.               });
  246.             }
  247.           });
  248.         });
  249.       }
  250.     },
  251.     // 鼠标移入跳转链接则请求
  252.     "mouseover": function(e) {
  253.       var a = e.target;
  254.       if (a.tagName == "A" && /www.baidu.com\/link\?url=/img.test(a.href) && a.getAttribute('transcoded') !== "true") {
  255.         var href = a.href.replace("http", "https") + "&wd=&eqid=0";
  256.         ajax(href,{
  257.           "beforeFn":function(url){
  258.             this.setAttribute("transcoding", "true");
  259.           },
  260.           "successFn":function(responseStr,url){
  261.             var trueLink = responseStr.match(/\(\"\S+\"\)/img)[0].replace(/^[\(\"]*|[\)\"]*$/img,"");
  262.             this.href = trueLink;
  263.             this.removeAttribute("transcoding");
  264.             this.setAttribute("transcoded", "true");
  265.           }
  266.         },a);
  267.       }
  268.     }
  269.   });
  270.   // 页面滚动则LazyLoad
  271.   handler(win).bind('scroll',function(){
  272.     // 逐一请求
  273.     init(config.macthRules).onebyone();
  274.     // 再次请求失败的url
  275.     init(config.reloadRules).onebyone();
  276.   });
  277. })(window,document,undefined);