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icourse Downloader

get urls of video courses and copy to clipboard

  1. // ==UserScript==
  2. // @name          icourse Downloader
  3. // @namespace
  4. // @description   get urls of video courses and copy to clipboard
  5. // @include       https://www.icourse163.org/learn/*
  6. // @version       0.9.0
  7. // @version 0.0.1.20180405103144
  8. // @namespace https://greasyfork.org/users/38547
  9. // ==/UserScript==
  10. (function () {
  11.     'use strict';
  12. 	create_button();
  13. 	function btn_onclick(){
  14. 		var img_addr = document.getElementsByTagName("source")[0].src;
  15. 		if (img_addr){
  16. 			var patt1 = /http.*(?=\?)/;
  17.             var res = img_addr.match(patt1);
  18.             var obj = document.getElementById("down_video_url");
  19.             obj.value = res;
  20.             obj.type ="";
  21.             obj.select();
  22.             document.execCommand('copy');
  23.             obj.type = "hidden";
  24.             alert('复制完成！');
  25. 		}
  26. 		else {
  27. 			alert("none!");
  28. 		}
  29. 	}
  30.  
  31. 	function create_button(){
  32.         var ul_tag = document.getElementsByClassName('f-cb')[2];
  33.         var btn = document.createElement("div");
  34.         var t = document.createTextNode("Download");
  35.         btn.appendChild(t);
  36.         btn.style="background-color: green; border: 2px solid green; border-radius: 2px; color: white; padding: 0px 15px; font-size: 14px; cursor: pointer; height: 21px; margin-left: 7px; margin-top: opx; line-height: 21px; font-weight: 500; display: inline-block;";
  37.         btn.setAttribute('id','down_video_btn');
  38.         btn.onclick = btn_onclick;
  39.         ul_tag.appendChild(btn);
  40.         //create input form
  41.         var input1 = document.createElement("input");
  42.         input1.id ="down_video_url";
  43.         input1.value="";
  44.         input1.type="hidden";
  45.         ul_tag.appendChild(input1);
  46.     }
  47.  
  48.  
  49.   })();