• css3简易实现图标动画由小到大逐个显现


    在制作网站时避免图片太平淡经常会用到动画效果:由小到大跳跃出现。这种效果很有视觉冲击力,显著提高关注度~

    原理:利用css3的动画属性@keyframes@-moz-keyframes@-webkit-keyframes定义动画suofang,再用animation调用suofang这一动画帧,并将动画添加到图片上,需要注意的是需要给图片相当于初始化的一个处理

    transform:scale(0);
        -moz-transform:scale(0);
        -webkit-transform:scale(0);

    最后在js中调用css动画。对于不同的页面,需要使用index来标注不同的页面。

     1 <!--第二屏开始-->
     2     <div class="section">
     3         <div class="mdmobile-second-one">
     4             <div class="mdmobile-second-one-top">
     5                 <img src="images/06_03.png"   class="mdmobile-second-one-top-top"/>
     6                 <img src="images/06_07.png"   class="mdmobile-second-one-top-foot"/>
     7             </div>
     8 
     9             <div class="mdmobile-second-one-middle">
    10                 <div class="mdmobile-second-one-middle-top">
    11                     <img src="images/07_03.png"  class="mdmobile-second-one-middle-top-left"/>
    12                     <img src="images/07_05.png"   class="mdmobile-second-one-middle-top-right"/>
    13                     <div class="clear"></div>
    14                 </div>
    15                 <div class="mdmobile-second-one-middle-middle">
    16                     <img src="images/07_09.png"  class="mdmobile-second-one-middle-middle-one"/>
    17                     <img src="images/07_11.png"   class="mdmobile-second-one-middle-middle-two"/>
    18                     <img src="images/07_13.png"  class="mdmobile-second-one-middle-middle-three"/>
    19                     <div class="clear"></div>
    20                 </div>
    21           <div class="mdmobile-second-one-middle-foot">
    22                     <img src="images/07_16.png"  class="mdmobile-second-one-middle-foot-left"/>
    23                     <img src="images/07_18.png"  class="mdmobile-second-one-middle-foot-right"/>
    24                     <div class="clear"></div>
    25                 </div>
    26             </div>
    27             <div class="mdmobile-second-one-foot">
    28             </div>
    29         </div>
    30     </div>
    31     <!--第二屏结束-->
     1 /*第二屏开始*/
     2 
     3 @keyframes  suofang {
     4     0% {transform:scale(0.2);}
     5     100% {transform:scale(1.0);}
     6 }
     7 @-moz-keyframes  suofang {
     8     0% {-moz-transform:scale(0.2);}
     9     100% {-moz-transform:scale(1.0);}
    10 }
    11 @-webkit-keyframes  suofang {
    12     0% {-webkit-transform:scale(0.2);}
    13     100% {-webkit-transform:scale(1.0);}
    14 }
    15 .mdmobile-second-one-middle-top-right.active,
    16 .mdmobile-second-one-middle-top-left.active,
    17 .mdmobile-second-one-middle-middle-one.active,
    18 .mdmobile-second-one-middle-middle-two.active,
    19 .mdmobile-second-one-middle-middle-three.active,
    20 .mdmobile-second-one-middle-foot-left.active,
    21 .mdmobile-second-one-middle-foot-right.active
    22 {
    23     animation: suofang 1s forwards;
    24     -moz-animation: suofang 1s forwards;
    25     -webkit-animation: suofang 1s forwards;
    26 }
    27 .mdmobile-second-one-middle-top-right,
    28 .mdmobile-second-one-middle-top-left,
    29 .mdmobile-second-one-middle-middle-one,
    30 .mdmobile-second-one-middle-middle-two,
    31 .mdmobile-second-one-middle-middle-three,
    32 .mdmobile-second-one-middle-foot-left,
    33 .mdmobile-second-one-middle-foot-right
    34 {
    35     transform:scale(0);
    36     -moz-transform:scale(0);
    37     -webkit-transform:scale(0);
    38 }
    if(index == 2){
                    $(".mdmobile-second-one-middle-top-left").addClass("active");
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-top-right").addClass("active");
                    },100);
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-middle-one").addClass("active");
                    },200);
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-middle-two").addClass("active");
                    },300);
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-middle-three").addClass("active");
                    },400);
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-foot-left").addClass("active");
                    },500);
                    setTimeout(function(){
                        $(".mdmobile-second-one-middle-foot-right").addClass("active");
                    },600);
                }
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  • 原文地址:https://www.cnblogs.com/s-z-y/p/4572191.html
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