用css3和jquery實現的漸變的動態進度條

進度條是網站中常見的一種,今天經過研究外國一個網站的例子,試著用css3來實現進度條:
 
     html代碼如下:
    <p class="progress-bar blue stripes">
    <span style="width: 40%"></span>
</p>
<p>Set above to:
    <a href="#" class="quarter">25%</a> /
    <a href="#" class="half">50%</a> /
    <a href="#" class="three-quarters">75%</a> /
    <a href="#" class="full">100%</a>
</p>

<p class="progress-bar orange shine">
    <span style="width: 65%"></span>
</p>
<p>Set above to:
    <a href="#" class="quarter">25%</a> /
    <a href="#" class="half">50%</a> /
    <a href="#" class="three-quarters">75%</a> /
    <a href="#" class="full">100%</a>
</p>

<p class="progress-bar green glow">
    <span style="width: 55%"></span>
</p>
<p>Set above to:
    <a href="#" class="quarter">25%</a> /
    <a href="#" class="half">50%</a> /
    <a href="#" class="three-quarters">75%</a> /
    <a href="#" class="full">100%</a>
</p>
css樣式:
body{ background:#222; width:360px; margin:0 auto; font:13px 'trebuchet MS',Arial,Helvetica;}
h2, p {text-align: center;color: #fafafa;text-shadow: 0 1px 0 #111;    }
 a {color: #777;}

 .progress-bar{ background-color:#1a1a1a; height:25px; padding:5px; width:350px; margin:70px 0 20px 0;-moz-border-radius:5px; -webkit-border-raidus:5px; border-radius:5px;-moz-box-shadow:0 1px 5px #000 inset, 0 1px 0 #444;-webkit-box-shadow:0 1px 5px #1a1a1a inset,0 1px 0 #444; box-shadow:0 1px 5px inset,0 1px 0 #444;  }
.progress-bar span{ display:inline-block; height:100%; background-color:#777; -moz-border-radius:3px;-webkit-border-radius:3px; border-radius:3px; border-radius:3px; box-shadow:0 1px 0 rgba(255,255,255,.5) inset; -webkit-box-shadow:0 1px 0 rgba(255,255,.5) inset; -moz-box-shadow:0 1px 0 rgba(255,255,.5) inset;  -webkit-transition:width .4s ease-in-out; -moz-transition:width .4s ease-in-out;-ms-transition:width .4s ease-in-out;transition: width .4s ease-in-out;    }
主要實現進度條的背景:

 
 
.blue span {
            background-color: #34c2e3;  
        }
.orange span{
     background-color:#fecf23;
     background-image:-webkit-gradient(linear,left top,left bottom,from(#fecf23), to(#fd9215));
     background-image:-webkit-linear-gradient(top,#fecf23, #fd9215);
     background-image:-moz-linear-gradient(top,#fecf23, #fd9215);
     background-image:-ms-linear-gradient(top, #fecf23, #fd9215);
     background-image:-o-linear-gradient(top, #fecf23, #fd9215);
     background-image: linear-gradient(top, #fecf23, #fd9215); 
   filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#fecf23', endColorstr='#fd9215'); /* IE6 & IE7 */
   -ms-filter: "progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#fecf23', endColorstr='#fd9215')"; /* IE8 */
 
    }
    .green span{
        background-color:#a5df41;
        background-image:-webkit-gradient(linear,left top,left bottom,from(#a5df41), to(#4ca916));
        background-image:-webkit-linear-gradient(top,#a5df41, #4ca916);
        background-image:-moz-linear-gradient(top,#a5df41, #4ca916);
        background-image: -ms-linear-gradient(top, #a5df41, #4ca916);
        background-image: -o-linear-gradient(top, #a5df41, #4ca916);
        background-image: linear-gradient(top, #a5df41, #4ca916); 
       filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#a5df41', endColorstr='#4ca916'); /* IE6 & IE7 */
       -ms-filter: "progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#a5df41', endColorstr='#4ca916')"; /* IE8 */ 
 
 }
        .stripes span {
            -webkit-background-size: 30px 30px;
            -moz-background-size: 30px 30px;
            background-size: 30px 30px;           
            background-image: -webkit-gradient(linear, left top, right bottom,
                                color-stop(.25, rgba(255, 255, 255, .15)), color-stop(.25, transparent),
                                color-stop(.5, transparent), color-stop(.5, rgba(255, 255, 255, .15)),
                                color-stop(.75, rgba(255, 255, 255, .15)), color-stop(.75, transparent),
                                to(transparent));
            background-image: -webkit-linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                                transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                                transparent 75%, transparent);
            background-image: -moz-linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                                transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                                transparent 75%, transparent);
            background-image: -ms-linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                                transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                                transparent 75%, transparent);
            background-image: -o-linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                                transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                                transparent 75%, transparent);
            background-image: linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                                transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                                transparent 75%, transparent);           
           
            -webkit-animation: animate-stripes 3s linear infinite;
            -moz-animation: animate-stripes 3s linear infinite;              
        }
        @-webkit-keyframes animate-stripes {
            0% {background-position: 0 0;} 100% {background-position: 60px 0;}
        }
       
       
        @-moz-keyframes animate-stripes {
            0% {background-position: 0 0;} 100% {background-position: 60px 0;}
        }
        .shine span {
            position: relative;
        }
       
        .shine span::after {
            content: '';
            opacity: 0;
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: #fff;
            -moz-border-radius: 3px;
            -webkit-border-radius: 3px;
            border-radius: 3px;           
           
            -webkit-animation: animate-shine 2s ease-out infinite;
            -moz-animation: animate-shine 2s ease-out infinite;            
        }

        @-webkit-keyframes animate-shine {
            0% {opacity: 0; width: 0;}
            50% {opacity: .5;}
            100% {opacity: 0; width: 95%;}
        }
       
       
        @-moz-keyframes animate-shine {
            0% {opacity: 0; width: 0;}
            50% {opacity: .5;}
            100% {opacity: 0; width: 95%;}
        }

        /*—————————*/    
       
        .glow span {
            -moz-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;
            -webkit-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;
            box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;
           
            -webkit-animation: animate-glow 1s ease-out infinite;
            -moz-animation: animate-glow 1s ease-out infinite;            
        }
        @-webkit-keyframes animate-glow {
         0% { -webkit-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;}
         50% { -webkit-box-shadow: 0 5px 5px rgba(255, 255, 255, .3) inset, 0 -5px 5px rgba(255, 255, 255, .3) inset;}
         100% { -webkit-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;}
         }
        @-moz-keyframes animate-glow {
         0% { -moz-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;}
         50% { -moz-box-shadow: 0 5px 5px rgba(255, 255, 255, .3) inset, 0 -5px 5px rgba(255, 255, 255, .3) inset;}
         100% { -moz-box-shadow: 0 5px 5px rgba(255, 255, 255, .7) inset, 0 -5px 5px rgba(255, 255, 255, .7) inset;}
         }               
預覽效果:

jquey部分:
$(document).ready(function(){
    $('.quarter').click(function(){
        $(this).parent().prev().children("span").css('width','25%');
        });
        $('.half').click(function(){
            $(this).parent().prev().children('span').css("width",'50%');
            });
            $('.three-quarters').click(function(){
                $(this).parent().prev().children('span').css('width','75%');
                });
                $('.full').click(function(){
                    $(this).parent().prev().children('span').css('width','100%');
                    })
    })

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