今天要给大家带来一款基于jquery带百分比的响应式进度加载条。这款加载条非常漂亮，而且带有进度的百度比，且在不同的百分比用的是不同的颜色。而且这款加载条采用了响应式设计，在不同的分辨率的显示器下完美支持。一起看下效果图吧。

在线预览   源码下载

实现的代码。

html代码：

  1. <h1>
  2.         Battle.net <b>style progress bar</b></h1>
  3.     <div class="progress">
  4.         <b class="progress__bar"><span class="progress__text">Progress: <em>0%</em> </span>
  5.         </b>
  6.     </div>

css代码：

  1. .progress {
  2.   font-size: 1.2em;
  3.   height: 20px;
  4.   background: rgba(255, 255, 255, 0.05);
  5.   border-radius: 2px;
  6.   border: 1px solid rgba(255, 255, 255, 0.2);
  7. }
  8. .progress--active .progress__bar {
  9.   opacity:;
  10. }
  11. .progress__text {
  12.   width: 20em;
  13.   padding: 0 0.9em;
  14.   position: absolute;
  15. }
  16. .progress__text em {
  17.   font-style: normal;
  18. }
  19. .progress__bar {
  20.   color: white;
  21.   font-size: 12px;
  22.   font-weight: normal;
  23.   text-shadow: 0 1px 1px rgba(0, 0, 0, 0.6);
  24.   line-height: 19px;
  25.   display: block;
  26.   position: relative;
  27.   top: -1px;
  28.   left: -1px;
  29.   width: 0%;
  30.   height: 100%;
  31.   opacity:;
  32.   border: 1px solid;
  33.   border-radius: 2px 0 0 2px;
  34.   background-size: 100px 30px, 130px 30px, 130px 30px;
  35.   background-position: -20% center, right center, left center;
  36.   background-repeat: no-repeat, no-repeat, no-repeat;
  37.   -webkit-transition: opacity 0.2s ease, width 0.8s ease-out, background-color 1s ease, border-color 0.3s ease, box-shadow 1s ease;
  38.           transition: opacity 0.2s ease, width 0.8s ease-out, background-color 1s ease, border-color 0.3s ease, box-shadow 1s ease;
  39.   -webkit-animation: pulse 2s ease-out infinite;
  40.           animation: pulse 2s ease-out infinite;
  41.   background-color: rgba(201, 4, 20, 0.95);
  42.   background-image: -webkit-linear-gradient(0deg, rgba(226, 4, 22, 0) 10%, rgba(250, 6, 26, 0.8) 30%, #fb1f31 70%, rgba(250, 6, 26, 0.8) 80%, rgba(226, 4, 22, 0) 90%), -webkit-linear-gradient(left, rgba(251, 31, 49, 0) 0%, #fb1f31 100%), -webkit-linear-gradient(right, rgba(251, 31, 49, 0) 0%, #fb1f31 100%);
  43.   background-image: linear-gradient(90deg, rgba(226, 4, 22, 0) 10%, rgba(250, 6, 26, 0.8) 30%, #fb1f31 70%, rgba(250, 6, 26, 0.8) 80%, rgba(226, 4, 22, 0) 90%), linear-gradient(to right, rgba(251, 31, 49, 0) 0%, #fb1f31 100%), linear-gradient(to left, rgba(251, 31, 49, 0) 0%, #fb1f31 100%);
  44.   border-color: #fb3848;
  45.   box-shadow: 0 0 0.6em #fa061a inset, 0 0 0.4em #e20416 inset, 0 0 0.5em rgba(201, 4, 20, 0.5), 0 0 0.1em rgba(254, 206, 210, 0.5);
  46. }
  47. .progress__bar--orange {
  48.   background-color: rgba(201, 47, 0, 0.95);
  49.   background-image: -webkit-linear-gradient(0deg, rgba(227, 53, 0, 0) 10%, rgba(252, 59, 0, 0.8) 30%, #ff4d17 70%, rgba(252, 59, 0, 0.8) 80%, rgba(227, 53, 0, 0) 90%), -webkit-linear-gradient(left, rgba(255, 77, 23, 0) 0%, #ff4d17 100%), -webkit-linear-gradient(right, rgba(255, 77, 23, 0) 0%, #ff4d17 100%);
  50.   background-image: linear-gradient(90deg, rgba(227, 53, 0, 0) 10%, rgba(252, 59, 0, 0.8) 30%, #ff4d17 70%, rgba(252, 59, 0, 0.8) 80%, rgba(227, 53, 0, 0) 90%), linear-gradient(to right, rgba(255, 77, 23, 0) 0%, #ff4d17 100%), linear-gradient(to left, rgba(255, 77, 23, 0) 0%, #ff4d17 100%);
  51.   border-color: #ff6030;
  52.   box-shadow: 0 0 0.6em #fc3b00 inset, 0 0 0.4em #e33500 inset, 0 0 0.5em rgba(201, 47, 0, 0.5), 0 0 0.1em rgba(255, 214, 201, 0.5);
  53. }
  54. .progress__bar--yellow {
  55.   background-color: rgba(232, 158, 0, 0.95);
  56.   background-image: -webkit-linear-gradient(0deg, rgba(255, 174, 2, 0) 10%, rgba(255, 183, 28, 0.8) 30%, #ffbf36 70%, rgba(255, 183, 28, 0.8) 80%, rgba(255, 174, 2, 0) 90%), -webkit-linear-gradient(left, rgba(255, 191, 54, 0) 0%, #ffbf36 100%), -webkit-linear-gradient(right, rgba(255, 191, 54, 0) 0%, #ffbf36 100%);
  57.   background-image: linear-gradient(90deg, rgba(255, 174, 2, 0) 10%, rgba(255, 183, 28, 0.8) 30%, #ffbf36 70%, rgba(255, 183, 28, 0.8) 80%, rgba(255, 174, 2, 0) 90%), linear-gradient(to right, rgba(255, 191, 54, 0) 0%, #ffbf36 100%), linear-gradient(to left, rgba(255, 191, 54, 0) 0%, #ffbf36 100%);
  58.   border-color: #ffc74f;
  59.   box-shadow: 0 0 0.6em #ffb71c inset, 0 0 0.4em #ffae02 inset, 0 0 0.5em rgba(232, 158, 0, 0.5), 0 0 0.1em rgba(255, 248, 232, 0.5);
  60. }
  61. .progress__bar--green {
  62.   background-color: rgba(0, 178, 23, 0.95);
  63.   background-image: -webkit-linear-gradient(0deg, rgba(0, 203, 26, 0) 10%, rgba(0, 229, 30, 0.8) 30%, #00fe21 70%, rgba(0, 229, 30, 0.8) 80%, rgba(0, 203, 26, 0) 90%), -webkit-linear-gradient(left, rgba(0, 254, 33, 0) 0%, #00fe21 100%), -webkit-linear-gradient(right, rgba(0, 254, 33, 0) 0%, #00fe21 100%);
  64.   background-image: linear-gradient(90deg, rgba(0, 203, 26, 0) 10%, rgba(0, 229, 30, 0.8) 30%, #00fe21 70%, rgba(0, 229, 30, 0.8) 80%, rgba(0, 203, 26, 0) 90%), linear-gradient(to right, rgba(0, 254, 33, 0) 0%, #00fe21 100%), linear-gradient(to left, rgba(0, 254, 33, 0) 0%, #00fe21 100%);
  65.   border-color: #19ff37;
  66.   box-shadow: 0 0 0.6em #00e51e inset, 0 0 0.4em #00cb1a inset, 0 0 0.5em rgba(0, 178, 23, 0.5), 0 0 0.1em rgba(178, 255, 188, 0.5);
  67. }
  68. .progress__bar--blue {
  69.   background-color: rgba(18, 135, 204, 0.95);
  70.   background-image: -webkit-linear-gradient(0deg, rgba(20, 151, 227, 0) 10%, rgba(37, 162, 236, 0.8) 30%, #3dacee 70%, rgba(37, 162, 236, 0.8) 80%, rgba(20, 151, 227, 0) 90%), -webkit-linear-gradient(left, rgba(61, 172, 238, 0) 0%, #3dacee 100%), -webkit-linear-gradient(right, rgba(61, 172, 238, 0) 0%, #3dacee 100%);
  71.   background-image: linear-gradient(90deg, rgba(20, 151, 227, 0) 10%, rgba(37, 162, 236, 0.8) 30%, #3dacee 70%, rgba(37, 162, 236, 0.8) 80%, rgba(20, 151, 227, 0) 90%), linear-gradient(to right, rgba(61, 172, 238, 0) 0%, #3dacee 100%), linear-gradient(to left, rgba(61, 172, 238, 0) 0%, #3dacee 100%);
  72.   border-color: #54b6f0;
  73.   box-shadow: 0 0 0.6em #25a2ec inset, 0 0 0.4em #1497e3 inset, 0 0 0.5em rgba(18, 135, 204, 0.5), 0 0 0.1em rgba(225, 242, 252, 0.5);
  74. }
  75. .progress__bar:before, .progress__bar:after {
  76.   content: "";
  77.   position: absolute;
  78.   right: -1px;
  79.   top: -10px;
  80.   width: 1px;
  81.   height: 40px;
  82. }
  83. .progress__bar:before {
  84.   width: 7px;
  85.   right: -4px;
  86.   background: -webkit-radial-gradient(center, ellipse, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 75%);
  87.   background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 75%);
  88. }
  89. .progress__bar:after {
  90.   background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 25%, rgba(255, 255, 255, 0.3) 75%, rgba(255, 255, 255, 0) 100%);
  91.   background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 25%, rgba(255, 255, 255, 0.3) 75%, rgba(255, 255, 255, 0) 100%);
  92. }
  93. .progress--complete .progress__bar {
  94.   -webkit-animation: none;
  95.           animation: none;
  96.   border-radius: 2px;
  97. }
  98. .progress--complete .progress__bar:after, .progress--complete .progress__bar:before {
  99.   opacity:;
  100. }
  101.  
  102. @-webkit-keyframes pulse {
  103.   0% {
  104.     background-position: -50% center, right center, left center;
  105.   }
  106.   100% {
  107.     background-position: 150% center, right center, left center;
  108.   }
  109. }
  110.  
  111. @keyframes pulse {
  112.   0% {
  113.     background-position: -50% center, right center, left center;
  114.   }
  115.   100% {
  116.     background-position: 150% center, right center, left center;
  117.   }
  118. }
  119. body, html {
  120.   color: white;
  121.   padding: 20px 50px;
  122.   background: #131c23;
  123.   font-family: Roboto;
  124. }
  125.  
  126. h1 {
  127.   font-weight:;
  128.   line-height: 1em;
  129.   margin: 0.5em 0;
  130. }
  131.  
  132. h1 b {
  133.   font-weight:;
  134. }

js代码：

  1.   var $progress = $(".progress"),
  2.     $bar = $(".progress__bar"),
  3.     $text = $(".progress__text"),
  4.     percent = 0,
  5.     update,
  6.     resetColors,
  7.     speed = 200,
  8.     orange = 30,
  9.     yellow = 55,
  10.     green = 85,
  11.     timer;
  12.  
  13.         resetColors = function () {
  14.  
  15.             $bar
  16.     .removeClass("progress__bar--green")
  17.     .removeClass("progress__bar--yellow")
  18.     .removeClass("progress__bar--orange")
  19.     .removeClass("progress__bar--blue");
  20.  
  21.             $progress
  22.     .removeClass("progress--complete");
  23.  
  24.         };
  25.  
  26.         update = function () {
  27.  
  28.             timer = setTimeout(function () {
  29.  
  30.                 percent += Math.random() * 1.8;
  31.                 percent = parseFloat(percent.toFixed(1));
  32.  
  33.                 $text.find("em").text(percent + "%");
  34.  
  35.                 if (percent >= 100) {
  36.  
  37.                     percent = 100;
  38.                     $progress.addClass("progress--complete");
  39.                     $bar.addClass("progress__bar--blue");
  40.                     $text.find("em").text("Complete");
  41.  
  42.                 } else {
  43.  
  44.                     if (percent >= green) {
  45.                         $bar.addClass("progress__bar--green");
  46.                     }
  47.  
  48.                     else if (percent >= yellow) {
  49.                         $bar.addClass("progress__bar--yellow");
  50.                     }
  51.  
  52.                     else if (percent >= orange) {
  53.                         $bar.addClass("progress__bar--orange");
  54.                     }
  55.  
  56.                     speed = Math.floor(Math.random() * 900);
  57.                     update();
  58.  
  59.                 }
  60.  
  61.                 $bar.css({ width: percent + "%" });
  62.  
  63.             }, speed);
  64.  
  65.         };
  66.  
  67.         setTimeout(function () {
  68.  
  69.             $progress.addClass("progress--active");
  70.             update();
  71.  
  72.         }, 1000);
  73.  
  74.         $(document).on("click", function (e) {
  75.  
  76.             percent = 0;
  77.             clearTimeout(timer);
  78.             resetColors();
  79.             update();
  80.  
  81.         }); //@ sourceURL=pen.js

注：本文爱编程原创文章，转载请注明原文地址：http://www.w2bc.com/Article/7781

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