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解除知网复制限制CNKI copy !!

Lifting copy restrictions on CNKI online reading

  1. // ==UserScript==
  2. // @name         解除知网复制限制CNKI copy !!
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.2.0
  5. // @description  Lifting copy restrictions on CNKI online reading
  6. // @description:zh-CN  解除知网在线阅读时复制限制
  7. // @author       auko
  8. // @supportURL   https://github.com/aukocharlie/my-script
  9. // @match        *://*.cnki.net*/*/Detail*
  10. // @match        *://*/rwt/CNKI/https/*/KXReader/Detail*
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. (function() {
  15.     'use strict';
  16.  
  17.     var selectText = "";
  18.     document.body.onkeydown=function(e){
  19.         if(e.ctrlKey && e.keyCode == 67) {
  20.             copy();
  21.             return false;
  22.         }
  23.     };
  24.     document.body.onmouseup = function(e){
  25.         getSelectText();
  26.     }
  27.     var copytext = document.getElementById("copytext");
  28.     var parent = document.getElementsByClassName("inner")[0];
  29.     if(copytext!== null) parent.removeChild(copytext);
  30.  
  31.     var proxyBtn = document.createElement("A");
  32.  
  33.     parent.insertBefore(proxyBtn,parent.children[0]);
  34.  
  35.     proxyBtn.setAttribute("id","proxy");
  36.     proxyBtn.innerHTML="复制";
  37.     document.getElementById("proxy").onclick = function(e){
  38.         if(document.getElementById("aukoToProxy")){
  39.             document.getElementById("aukoToProxy").value = selectText;
  40.             document.getElementById("aukoToProxy").select();
  41.         }else{
  42.             var temp = document.createElement('input');
  43.             temp.value = selectText;
  44.             temp.setAttribute("id","aukoToProxy");
  45.             document.body.appendChild(temp);
  46.             temp.select();
  47.             temp.style.opacity='0';
  48.         }
  49.         copy();
  50.     }
  51.  
  52.     function getSelectText() {
  53.         if(document.selection) {
  54.             if(document.selection.createRange().text && document.selection.createRange().text !== ''){
  55.                 selectText = document.selection.createRange().text;
  56.             }
  57.         } else {
  58.             if(document.getSelection()&& document.getSelection().toString() !== ''){
  59.                 selectText = document.getSelection().toString();
  60.             }
  61.         }
  62.     }
  63.  
  64.     function copy(){
  65.         try{
  66.             if(document.execCommand("Copy","false",null)){
  67.                 console.log("复制成功！");
  68.             }else{
  69.                 console.warn("复制失败！");
  70.             }
  71.         }catch(err){
  72.             console.warn("复制错误！")
  73.         }
  74.         return false;
  75.     }
  76. })();