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welcome.js 1.8 kB

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  1. (function () {
  2. window.onload = function(){
  3. function fixedBar(id, options){
  4. var ele = document.getElementById(id);
  5. if(!ele) return;
  6. if(/msie (\d+\.\d+)/i.test(navigator.userAgent)){
  7. var pageHeight=window.innerHeight;
  8. var d=document;
  9. if(typeof pageHeight!="number"){
  10. if(document.compatMode=="CSS1Compat"){
  11. pageHeight=document.documentElement.clientHeight;
  12. }else{
  13. pageHeight=document.body.clientHeight;
  14. }
  15. }
  16. var ieScrollTop=window.pageYOffset || d.documentElement.scrollTop || d.body.scrollTop;
  17. if(options.addclass) ele.className = options.addclass;
  18. ele.style.position= 'absolute';
  19. if(options.show){
  20. ele.style.top = 0 + "px";
  21. ele.style.display= 'block';
  22. }
  23. window.attachEvent('onscroll' , function (){
  24. var ieScrollTop=window.pageYOffset || d.documentElement.scrollTop || d.body.scrollTop;
  25. ele.style.top = 0 + "px";
  26. if(options.autoHidden){
  27. if(ieScrollTop==0){
  28. ele.style.display="none";
  29. }else{
  30. ele.style.display="block";
  31. }
  32. }
  33. });
  34. }else{
  35. var ele = document.getElementById(id);
  36. if(typeof pageHeight!="number"){
  37. if(document.compatMode=="CSS1Compat"){
  38. pageHeight=document.documentElement.clientHeight;
  39. }else{
  40. pageHeight=document.body.clientHeight;
  41. }
  42. }
  43. if(options.show) ele.style.display= 'block';
  44. ele.style.top = 0 +'px';
  45. window.addEventListener('scroll',function (){
  46. if(options.autoHidden){
  47. if(baidu.page.getScrollTop()==0){
  48. ele.style.display="none";
  49. }else{
  50. ele.style.display="block";
  51. }
  52. }
  53. },false);
  54. }
  55. }
  56. fixedBar('backTopBtn' , {autoHidden: true, top : 186});
  57. fixedBar('identifier-pannel' , {autoHidden: false , top : 956 , show : true});
  58. }
  59. })();

软件技术创新是当今国家整体创新能力的重要基础和发展引擎。近年来,大众参与的软件创新与创业活动已经成为网络时代软件开发和应用的新形态,正在快速改变着全球软件创新模式和软件产业格局。 ...