svg的几个小案例
最近经常用到svg，闲的无聊的时候做了几个简单的小例子，希望能帮到大家，svg会用了之后做动画和图片都方便了好多，接下来就看看小例子吧！！
1、例子一
css代码
svg{
display: block;
margin: 60px auto;
}
#dax{
stroke-dasharray:2000;
animation:4s dong forwards;
}
@keyframes dong{
0%{
stroke-dashoffset:2000;
}
99%{
stroke-dashoffset:0;
}
100%{
stroke:#fff;
fill:red;
transition:4s;
}
}
html代码
<svg width="580" height="400" xmlns="http://www.w3.org/2000/svg">
<path id="dax" d="m289.202755,135.922107c56.89674,-163.228294 279.820033,0 0,209.864949c-279.820033,-209.864949 -56.89674,-373.093243 0,-209.864949z" stroke-width="1.5" fill="none" stroke="#000"/>
<animateTransform
attributeName="transform"
begin="3s"
dur="1s"
type="scale"
from="1"
to="1.1"
repeatCount="indefinite"
/>
<path id="svg_2" d="m80.651744,38.858393c5.147096,-14.76626 25.313589,0 0,18.985191c-25.313589,-18.985191 -5.147096,-33.751451 0,-18.985191z" stroke-opacity="null" stroke-width="1.5" fill="#bf0000"/>
<path id="svg_3" d="m533.397764,125.912908c5.565995,-15.96802 27.373748,0 0,20.530311c-27.373748,-20.530311 -5.565995,-36.498331 0,-20.530311z" stroke-opacity="null" stroke-width="1.5" fill="#ff00d4"/>
<path id="svg_4" d="m70.242732,177.349194c7.009018,-20.107838 34.470579,0 0,25.852934c-34.470579,-25.852934 -7.009018,-45.960772 0,-25.852934z" stroke-opacity="null" stroke-width="1.5" fill="#559E84"/>
<path id="svg_5" d="m114.749719,356.944935c7.41182,-21.263417 36.451572,0 0,27.338679c-36.451572,-27.338679 -7.41182,-48.602097 0,-27.338679z" stroke-opacity="null" stroke-width="1.5" fill="#894F3F"/>
<path id="svg_6" d="m495.102737,350.992403c6.596721,-18.92502 32.442891,0 0,24.332168c-32.442891,-24.332168 -6.596721,-43.257188 0,-24.332168z" stroke-opacity="null" stroke-width="1.5" fill="#3f7f00"/>
<path id="svg_7" d="m367.204291,19.986023c4.323561,-12.40366 21.263417,0 0,15.947562c-21.263417,-15.947562 -4.323561,-28.351222 0,-15.947562z" stroke-opacity="null" stroke-width="1.5" fill="#00ffbb"/>
<path id="svg_8" d="m565.717744,26.716593c4.122951,-11.828139 20.27681,0 0,15.207607c-20.27681,-15.207607 -4.122951,-27.035746 0,-15.207607z" stroke-opacity="null" stroke-width="1.5" fill="#faff00"/>
<path id="svg_9" d="m437.349961,266.505429c4.117677,-11.813007 20.250868,0 0,15.188151c-20.250868,-15.188151 -4.117677,-27.001158 0,-15.188151z" stroke-opacity="null" stroke-width="1.5" fill="#21ff00"/>
</svg>
例子二
css代码
.st0{fill:none;stroke:#000000;stroke-miterlimit:10;}
.st1{fill:#7100BF;stroke:#000000;stroke-miterlimit:10;}
.box{
width: 600px;
height: 600px;
}
html代码
<div class="box">
<svg width="200"xmlns="http://www.w3.org/2000/svg" viewBox="0 0 348 302" >
<g>
<polygon id="XMLID_1_" class="st0" points="129,131.3 56.6,141 11.9,83.1 39.7,15.5 112.2,5.8 156.8,63.7 "/>
<path id="XMLID_2_" class="st0" d="M-305-84"/>
<polygon id="XMLID_3_" class="st1" points="39.7,15.5 11.9,83.1 56.6,141 84.4,73.4 "/>
<animateTransform
attributeName="transform"
attributeType="XML"
dur="1s"
type="translate"
from="0 0"
to="150 0"
repeatCount="indefinite"
/>
</g>
<g>
<polygon id="XMLID_1_" class="st0" points="129,131.3 56.6,141 11.9,83.1 39.7,15.5 112.2,5.8 156.8,63.7 "/>
<path id="XMLID_2_" class="st0" d="M-305-84"/>
<polygon id="XMLID_3_" class="st1" points="39.7,15.5 11.9,83.1 56.6,141 84.4,73.4 "/>
<animateTransform
attributeName="transform"
attributeType="XML"
dur="1s"
type="translate"
from="150 150"
to="0 150"
repeatCount="indefinite"
/>
</g>
<g>
<polygon id="XMLID_1_" class="st0" points="129,131.3 56.6,141 11.9,83.1 39.7,15.5 112.2,5.8 156.8,63.7 "/>
<path id="XMLID_2_" class="st0" d="M-305-84"/>
<polygon id="XMLID_3_" class="st1" points="39.7,15.5 11.9,83.1 56.6,141 84.4,73.4 "/>
<animateTransform
attributeName="transform"
attributeType="XML"
dur="1s"
type="translate"
from="150 0"
to="150 150"
repeatCount="indefinite"
/>
</g>
<g>
<polygon id="XMLID_1_" class="st0" points="129,131.3 56.6,141 11.9,83.1 39.7,15.5 112.2,5.8 156.8,63.7 "/>
<path id="XMLID_2_" class="st0" d="M-305-84"/>
<polygon id="XMLID_3_" class="st1" points="39.7,15.5 11.9,83.1 56.6,141 84.4,73.4 "/>
<animateTransform
attributeName="transform"
attributeType="XML"
dur="1s"
type="translate"
from="0 150"
to="0 0"
repeatCount="indefinite"
/>
</g>
</svg>
</div>
例子三
css代码
.st0{fill:#09E900;}
.st1{fill:#9C55FF;}
.st2{fill:#FF2A56;}
.st3{fill:#FFFE6A;}
.st4{fill:#2AFFF5;}
#logo.animate #g1 path{
animation:2s dong;
}
#logo.animate #g1 path#h{
animation-delay:0.3s;
}
#logo.animate #g1 path#i{
animation-delay:0.6s;
}
#logo.animate #g1 path#t{
animation-delay:0.9s;
}
#logo.animate #g1 path#u{
animation-delay:1.2s;
}
@keyframes dong{
from{
transform:scale(1.0);
}
to{
transform:scale(1.1);
}
}
html代码
<div id="logo">
<svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 400 100" style="enable-background:new 0 0 300 100;" xml:space="preserve">
<g id="g1">
<path id="s" class="st0" d="M49.5,53c0-3.7,1.3-6.5,3.9-8.4c2.6-2,5.8-2.9,9.4-2.9c2.1,0,4,0.2,5.8,0.7c1.8,0.7,3.1,1.1,3.8,1.1
c0.7,0,1.3-0.1,1.7-0.4c0.5-0.2,1-0.7,1.7-1.5l1.4,12.1l-2.1,0.4c-0.9-3.2-2.5-5.7-4.6-7.5c-2.2-1.8-4.6-2.7-7.4-2.7
c-3,0-5.3,0.6-7,1.8c-1.7,1.2-2.6,2.9-2.6,5.1c0,2,0.4,3.5,1.2,4.6c0.8,1.1,2.2,1.9,4.3,2.4c1.6,0.7,3.6,1.5,6.2,2.2
c2.3,1,4.4,2,6.5,2.9c1.8,1,3.4,2.3,4.6,3.8c1.3,1.6,1.9,3.4,1.9,5.3c0,3.7-1.2,6.5-3.6,8.6c-2.4,2.1-5.9,3.1-10.4,3.1
c-3,0-5.1-0.4-6.5-1.1C56.1,82.2,54.9,82,54,82c-0.7,0-1.4,0.2-2.2,0.5c-0.8,0.4-1.7,0.8-2.6,1.3l-1-13.6l2.1-0.4
c0.7,3.9,2.2,6.8,4.4,8.8c2.3,2,5.5,2.9,9.6,2.9c3.2,0,5.6-0.6,7.4-1.8c1.7-1.2,2.6-3.1,2.6-5.5c0-1.7-0.5-3.1-1.4-4.2
c-0.9-1.1-1.8-1.9-2.7-2.4c-2.3-1-4.8-2.1-7.5-3.3c-2.7-1-5.1-2-7.2-2.9c-2.1-1-3.5-2.2-4.4-3.7C50,56.3,49.5,54.7,49.5,53z"/>
<path id="h" class="st1" d="M91.2,85.2L91,83l1.7-0.2c1.1-0.1,1.9-0.4,2.3-1c0.4-0.5,0.6-1.3,0.5-2.3L90,27.5
c-0.1-1-0.4-1.7-0.9-2.1c-0.5-0.4-1.3-0.6-2.5-0.5l-2,0.2l-0.2-2.2l3.7-0.4c0.9-0.1,1.8-0.4,2.6-1c0.9-0.6,1.7-1.4,2.5-2.5l0.7-0.1
l3.3,31c1.8-2.9,3.7-5,5.7-6.3c2-1.3,4.3-2.1,6.8-2.4c3.4-0.4,6.1,0.4,8.2,2.3c2,1.9,3.3,5,3.7,9.4l2.5,23.7c0.1,1,0.5,1.7,1.1,2.1
c0.6,0.4,1.4,0.6,2.3,0.5l1.7-0.2l0.2,2.2L115,82.7l-0.2-2.2l1.7-0.2c1.1-0.1,1.9-0.4,2.3-1c0.4-0.5,0.6-1.3,0.5-2.3l-2.4-23
c-0.4-4.1-1.3-6.8-2.7-8c-1.4-1.2-3.1-1.7-5.1-1.5c-1.8,0.2-3.7,1-5.8,2.4c-2,1.4-3.9,3.7-5.6,6.9l2.6,25.1c0.1,1,0.5,1.7,1.1,2.1
c0.6,0.4,1.4,0.6,2.3,0.5l1.7-0.2l0.2,2.2L91.2,85.2z"/>
<line id="XMLID_189_" x1="126.4" y1="76.4" x2="117.1" y2="82.1"/>
<path id="XMLID_190_" d="M130.8,77.4"/>
<path id="i" class="st2" d="M148.4,48.3c0.1-1,0-1.8-0.4-2.4c-0.4-0.7-1.2-1-2.3-1.2l-7.1-0.9l0.2-2.2l3.4,0.3c2,0.3,4,0.3,5.8,0.1
c1.9-0.2,3.6-0.7,5.3-1.5l0.7,0.1l-4,38.3c-0.1,1,0.1,1.7,0.6,2.3c0.5,0.5-1,1-0.1,1.1l7.1,1.2l-0.4,2.2l-24.9-4.4l0.4-2.2l9.2,1.8
c1.1,0.1,2,0,2.5-0.5c0.5-0.4,0.8-1.1,0.9-2.1L148.4,48.3z M153.9,18.5c1.1,0.1,2.2,2.9,3,3.8c0.8,0.9,1.2,2,1,3.2
c-0.1,1.2-0.7,2.3-1.7,3.1c-1,0.9-2.6,2.8-3.7,2.7c-1.1-0.1-1.6-2.2-2.4-3.3c-0.8-1.1-6.3-2.6-6.1-3.8c0.1-1.2,5.8-1.8,6.8-2.6
C151.8,20.9,152.8,18.4,153.9,18.5z"/>
<path id="t" class="st3" d="M191.8,71.6c-0.2,3.4,0.2,5.8,1.2,7.1c1.1,1.3,2.7,2,5,2.2c2.3,0.2,4.2-0.5,5.6-2
c1.5-1.5,2.5-3.7,3.2-6.6l1.7,0.9c-0.7,3.4-2.1,6.1-4.2,8.2c-2.1,2.1-4.7,3-7.9,2.8c-3.4-0.2-5.9-1.5-7.4-3.8
c-1.6-2.3-2.2-5.8-1.8-10.4l1.8-25.6l-10.2-0.7l0.2-2.2l2.7,0.2c2.7,0.2,5-0.6,6.8-2.3c1.8-1.7,3.1-4.5,3.8-8.4l0.5-2.9l2,0.1
l-1,14.3l13.7,1l-0.2,2.2l-13.7-1L191.8,71.6z"/>
<path id="u" class="st4" d="M236,80.1c2.7,0,4.9-0.7,6.9-2.2c1.9-1.5,3.1-3.8,4.1-7V47.9c0-1-0.1-1.6-0.5-2.2
c-0.5-0.6-1.1-0.7-2.3-0.7H242v-3h2.2c1.4,0,2.6,0,3.8-0.3c1.1-0.2,2.3-0.7,3.4-1.7h0.6v36.1c0,1,0.3,1.7,0.9,2.2
c0.6,0.5,1.3,0.7,2.3,0.7h1.8v2h-1.8c-1.1,0-2.3,0.1-3.4,0.5c-1.1,0.4-2.4,1.5-3.8,1.5h-1v-7.3c-1,2.7-2.7,4.7-5,6
c-2.3,1.3-4.8,2-7.8,2c-3.7,0-6.5-1.1-8.3-3.3c-1.8-2.2-2.9-5.7-2.9-10.6v-22c0-1-0.1-1.6-0.5-2.2c-0.5-0.6-1.1-0.7-2.2-0.7H218v-3
h2.3c1.4,0,2.6,0,3.8-0.3c1.1-0.2,2.3-0.7,3.4-1.7h0.6v30.6c0,3.4,0.7,5.9,2.1,7.3C231.5,79.4,233.5,80.1,236,80.1z"/>
</g>
</svg>
</div>
js代码
var btn = document.querySelector("#btn");
var logo = document.querySelector("#logo");
var paths = document.querySelectorAll("#g1 path");
btn.addEventListener("click", function(){
logo.classList.toggle("animate");
});
var count = 0;
for (var i = 0, l = paths.length; i < l;i++) {
paths[i].addEventListener("webkitAnimationEnd",function(){
count++;
if(count>5){
logo.classList.toggle("animate");
count = 0;
}
})
};SVG有什么优势？
文件体积小，能够被大量的压缩
图片可无限放大而不失真(矢量图的基本特征)
在视网膜显示屏上效果极佳
能够实现互动和滤镜效果
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