一款基于jquery带百分比的响应式进度加载条

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：

<h1>

        Battle.net <b>style progress bar</b></h1>

    <div class="progress">

        <b class="progress__bar"><span class="progress__text">Progress: <em>0%</em> </span>

        </b>

    </div>

css代码：

.progress {

  font-size: 1.2em;

  height: 20px;

  background: rgba(255, 255, 255, 0.05);

  border-radius: 2px;

  border: 1px solid rgba(255, 255, 255, 0.2);

}

.progress--active .progress__bar {

  opacity: 1;

}

.progress__text {

  width: 20em;

  padding: 0 0.9em;

  position: absolute;

}

.progress__text em {

  font-style: normal;

}

.progress__bar {

  color: white;

  font-size: 12px;

  font-weight: normal;

  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.6);

  line-height: 19px;

  display: block;

  position: relative;

  top: -1px;

  left: -1px;

  width: 0%;

  height: 100%;

  opacity: 0;

  border: 1px solid;

  border-radius: 2px 0 0 2px;

  background-size: 100px 30px, 130px 30px, 130px 30px;

  background-position: -20% center, right center, left center;

  background-repeat: no-repeat, no-repeat, no-repeat;

  -webkit-transition: opacity 0.2s ease, width 0.8s ease-out, background-color 1s ease, border-color 0.3s ease, box-shadow 1s ease;

          transition: opacity 0.2s ease, width 0.8s ease-out, background-color 1s ease, border-color 0.3s ease, box-shadow 1s ease;

  -webkit-animation: pulse 2s ease-out infinite;

          animation: pulse 2s ease-out infinite;

  background-color: rgba(201, 4, 20, 0.95);

  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%);

  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%);

  border-color: #fb3848;

  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);

}

.progress__bar--orange {

  background-color: rgba(201, 47, 0, 0.95);

  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%);

  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%);

  border-color: #ff6030;

  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);

}

.progress__bar--yellow {

  background-color: rgba(232, 158, 0, 0.95);

  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%);

  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%);

  border-color: #ffc74f;

  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);

}

.progress__bar--green {

  background-color: rgba(0, 178, 23, 0.95);

  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%);

  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%);

  border-color: #19ff37;

  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);

}

.progress__bar--blue {

  background-color: rgba(18, 135, 204, 0.95);

  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%);

  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%);

  border-color: #54b6f0;

  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);

}

.progress__bar:before, .progress__bar:after {

  content: "";

  position: absolute;

  right: -1px;

  top: -10px;

  width: 1px;

  height: 40px;

}

.progress__bar:before {

  width: 7px;

  right: -4px;

  background: -webkit-radial-gradient(center, ellipse, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 75%);

  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 75%);

}

.progress__bar:after {

  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%);

  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%);

}

.progress--complete .progress__bar {

  -webkit-animation: none;

          animation: none;

  border-radius: 2px;

}

.progress--complete .progress__bar:after, .progress--complete .progress__bar:before {

  opacity: 0;

}



@-webkit-keyframes pulse {

  0% {

    background-position: -50% center, right center, left center;

  }

  100% {

    background-position: 150% center, right center, left center;

  }

}



@keyframes pulse {

  0% {

    background-position: -50% center, right center, left center;

  }

  100% {

    background-position: 150% center, right center, left center;

  }

}

body, html {

  color: white;

  padding: 20px 50px;

  background: #131c23;

  font-family: Roboto;

}



h1 {

  font-weight: 900;

  line-height: 1em;

  margin: 0.5em 0;

}



h1 b {

  font-weight: 100;

}

js代码：

  var $progress = $(".progress"),

    $bar = $(".progress__bar"),

    $text = $(".progress__text"),

    percent = 0,

    update,

    resetColors,

    speed = 200,

    orange = 30,

    yellow = 55,

    green = 85,

    timer;



        resetColors = function () {



            $bar

    .removeClass("progress__bar--green")

    .removeClass("progress__bar--yellow")

    .removeClass("progress__bar--orange")

    .removeClass("progress__bar--blue");



            $progress

    .removeClass("progress--complete");



        };



        update = function () {



            timer = setTimeout(function () {



                percent += Math.random() * 1.8;

                percent = parseFloat(percent.toFixed(1));



                $text.find("em").text(percent + "%");



                if (percent >= 100) {



                    percent = 100;

                    $progress.addClass("progress--complete");

                    $bar.addClass("progress__bar--blue");

                    $text.find("em").text("Complete");



                } else {



                    if (percent >= green) {

                        $bar.addClass("progress__bar--green");

                    }



                    else if (percent >= yellow) {

                        $bar.addClass("progress__bar--yellow");

                    }



                    else if (percent >= orange) {

                        $bar.addClass("progress__bar--orange");

                    }



                    speed = Math.floor(Math.random() * 900);

                    update();



                }



                $bar.css({ width: percent + "%" });



            }, speed);



        };



        setTimeout(function () {



            $progress.addClass("progress--active");

            update();



        }, 1000);





        $(document).on("click", function (e) {



            percent = 0;

            clearTimeout(timer);

            resetColors();

            update();



        }); //@ 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