纯CSS实现UI设计中常见的丝带效果
<p><strong>一、前言</strong></p><p>网页中的丝带效果在设计中扮演着多重角色，其作用可以归纳为以下几个方面：</p>
<h3><strong>1. 视觉吸引与装饰</strong></h3>
<ul>
<li>增强视觉吸引力：丝带效果以其独特的形态和色彩，能够迅速吸引用户的注意力，成为页面上的视觉焦点。</li>
<li>装饰作用：作为装饰元素，丝带能够提升网页的整体美观度，使页面看起来更加生动有趣。</li>
</ul>
<h3><strong>2. 信息引导与层次划分</strong></h3>
<ul>
<li>信息引导：通过丝带效果的指向性设计，可以引导用户按照特定的路径浏览网页内容，提高信息的可读性和易读性。</li>
<li>层次划分：丝带效果还可以用于区分页面上的不同区域或内容层级，帮助用户更好地理解页面结构和信息组织。</li>
</ul>
<h3><strong>3. 风格塑造与氛围营造</strong></h3>
<ul>
<li>风格塑造：丝带元素在网页设计中常被用于塑造特定的风格，如古典老式、清新文艺、复古等，使网页呈现出独特的视觉效果。</li>
<li>氛围营造：通过丝带的设计和色彩搭配，可以营造出不同的氛围和情感，如节日的喜庆、促销的热闹、活动的庄重等。</li>
</ul>
<h3><strong>4. 强调与突出</strong></h3>
<ul>
<li>重点强调：丝带效果能够突出页面上的重要信息或元素，如优惠活动、新品推荐等，引导用户关注。</li>
<li>品牌标识：在丝带设计中融入品牌元素或色彩，可以加强品牌识别度，提升品牌形象。</li>
</ul>
<h3><strong>5. 用户体验提升</strong></h3>
<ul>
<li>增加互动性：通过CSS等技术实现的丝带效果，如折叠、展开等动态效果，可以增加用户的互动体验，提高用户的参与度和满意度。</li>
<li>提升视觉流畅性：合理的丝带设计可以使页面看起来更加流畅和连贯，减少用户的视觉疲劳感。</li>
</ul>
<p>在开发中遇到丝带效果，你还在让UI给你切图吗？下面就介绍几种CSS实现网页中常见的丝带效果的实现方式。</p>
<p><strong>二、基础布局</strong></p>
<p>基础布局如下：</p>
<pre><code><div class="box">
<div class="ribbon">
温馨提示
</div>
</div>
</code></pre>
<pre><code>.box {
position: relative;
width: 300px;
height: 160px;
margin: 60px;
border-radius: 5px;
background-color: #fff;
z-index: 0;
cursor: pointer;
border: 1px solid #f6f6f6;
transition: .5s;
}
</code></pre>
<p><strong>三、常见丝带效果</strong></p>
<p><strong>1</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7Pibmr2bOUrlpDXiaDLgJdy11VNTCDmgQf8qdYmsOYo21UMmJQIXiaHNlCgww/640?wx_fmt=png&from=appmsg&random=0.6002676861487042&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code>.ribbon {
position: absolute;
left: -8px;
top: 16px;
width: 100px;
height: 30px;
background-color: #57DD43;
/* 内容居中 */
display: flex;
justify-content: center;
align-items: center;
&::before,
&::after {
content: "";
position: absolute;
}
&::before {
top: -8px;
left: 0;
height: 0;
width: 0;
border-bottom: 8px solid #57DD43;
border-left: 8px solid transparent;
opacity: .8;
}
&::after {
right: -15px;
height: 0;
width: 0;
border-top: 15px solid transparent;
border-bottom: 15px solid transparent;
border-left: 15px solid #57DD43;
}
}
</code></pre>
<p><strong>2</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7Pibm06vVXDyuhTjX6jWqGBQOdgZdFGq8XNCVQia7iaSB5CDWGDt4xpZEliawA/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code>.ribbon {
position: absolute;
left: -10px;
top: 16px;
width: calc(100% + 20px);
height: 36px;
background-color: #1890ff;
/* 内容居中 */
display: flex;
justify-content: center;
align-items: center;
&::before, &::after {
content: '';
position: absolute;
}
&::before {
left: 0;
height: 0;
width: 0;
border-top: 10px solid #1890ff;
border-left: 10px solid transparent;
bottom: -10px;
}
&::after {
right: 0;
bottom: -10px;
height: 0;
width: 0;
border-top: 10px solid #1890ff;
border-right: 10px solid transparent;
}
}
</code></pre>
<p><strong>3</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7PibmLOjz4lQM0JZUvUEbVHr6rQibC6KCF5IED9YX3As8RPOlX605z1zicA6A/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code><div class="box">
<div class="ribbon">
<span>温馨提示</span>
</div>
</div>
</code></pre>
<pre><code>.ribbon {
position: absolute;
top: -8px;
right: -8px;
width: 150px;
height: 150px;
overflow: hidden;
&::before, &::after {
content: "";
position: absolute;
}
&::before {
left: 8px;
width: 40px;
height: 8px;
border-radius: 8px 8px 0px 0px;
background-color: var(--ribbon-primary-color);
opacity: .6;
}
&::after {
border-radius: 0px 8px 8px 0px;
width: 8px;
height: 40px;
right: 0px;
bottom: 8px;
background-color: #57DD43;
opacity: .6;
}
& > span {
position: absolute;
top: 20%;
right: -40%;
z-index: 2;
width: 150%;
height: 40px;
overflow: hidden;
transform: rotate(45deg);
border: 1px dashed;
box-shadow: 0 0 0 3px #57DD43, 0px 21px 5px -18px rgba(0, 0, 0, 0.6);
background: #57DD43;
/* 文本居中 */
display: flex;
justify-content: center;
align-items: center;
color: white;
}
}
</code></pre>
<p><strong>4</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7Pibm5K9PvpJXYHDOOuMFRKePMEFInQkK2ciaORUtoeTfFLINj69J7RNWnzw/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code>.ribbon {
position: absolute;
top: -6px;
left: 16px;
width: 40px;
padding: 0 10px;
box-sizing: border-box;
text-align: center;
background: #ff9900;
&::before,
&::after {
content: '';
position: absolute;
}
&::before {
top: 0;
right: -6px;
height: 0;
width: 0;
border-bottom: 6px solid #ff9900;
border-right: 6px solid transparent;
opacity: .8;
}
&::after {
height: 0;
width: 0;
left: 0;
bottom: -20px;
border-left: 20px solid #ff9900;
border-right: 20px solid #ff9900;
border-bottom: 20px solid transparent;
}
}
</code></pre>
<p><strong>5</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7PibmVvjLuoYibR8lYL4oyexBGwXhKkThqCfH9py4cW8jCowuR27qFaLJp8Q/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code>.ribbon {
position: absolute;
top: 12px;
left: -5px;
padding: 2px 10px;
background-color: orangered;
font-size: 12px;
color: #fff;
&::before {
content: "";
position: absolute;
left: 0;
bottom: -4px;
border-top: 4px solid orangered;
border-left: 4px solid transparent;
}
}
</code></pre>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7PibmKVlqQUSwHicuPmz3AdzhImxynzUNMhictgDUazovDb6tDNGOtKgVNnlQ/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code>.ribbon {
position: absolute;
top: 10%;
right: -5px;
padding: 2px 10px;
background-color: orangered;
font-size: 12px;
color: #fff;
&::before {
content: "";
position: absolute;
right: 0;
bottom: -4px;
border-top: 4px solid orangered;
border-right: 4px solid transparent;
}
}
</code></pre>
<p><strong>6</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7Pibm6MWwRoHibUNLEVsp9ekib77r63oDXuubfJUpva0H1UpW69grxD2mkzibA/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code><div class="box">
<div class="ribbon">
<span>温馨提示</span>
</div>
</div>
</code></pre>
<pre><code>.ribbon {
position: absolute;
top: -6px;
right: 10px;
&::after {
content: "";
display: block;
position: absolute;
width: 0;
height: 0;
border-left: 53px solid transparent;
border-right: 53px solid transparent;
border-top: 10px solid #57DD43;
}
&>span {
position: relative;
display: inline-block;
width: 90px;
height: 60px;
line-height: 60px;
text-align: center;
background: #57DD43;
border-top-right-radius: 8px;
&::before,
&::after {
content: "";
position: absolute;
}
&::before {
left: -6px;
top: 0;
width: 6px;
height: 6px;
background: #57DD43;
}
&::after {
left: -8px;
top: 0;
width: 8px;
height: 6px;
border-radius: 8px 8px 0 0;
background: #57DD43;
}
}
}
</code></pre>
<p><strong>7</strong></p>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7Pibm5iamWCau2Z9B52nxP5pQbLb3PfzrzxUoqKNPK0zzGRTncENNKZwcc4A/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code><div class="box">
<div class="ribbon">
<span>新品</span>
</div>
</div>
</code></pre>
<pre><code>.ribbon {
position: absolute;
top: 0;
right: 0;
width: 45px;
height: 45px;
background: #57DD43;
clip-path: polygon(0 0, 100% 100%, 100% 0);
span {
font-size: 12px;
position: absolute;
top: 6px;
right: 2px;
display: inline-block;
transform: rotate(45deg)
}
}
</code></pre>
<p><img src="https://www.3bbs.cn/index-diy/img.php?url=https://mmbiz.qpic.cn/sz_mmbiz_png/gehCsfcwMobbQTzjuzV273jy3Lpd7PibmaRR03t6dQjDVBFLibRzImAibZJWXOIHjIicW8QQvTpvjLZQqxl0EpvhSg/640?wx_fmt=png&from=appmsg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" alt="图片" /></p>
<pre><code><div class="box">
<div class="ribbon">
<span>新品</span>
</div>
</div>
</code></pre>
<pre><code>.ribbon {
position: absolute;
top: 0;
left: 0;
width: 45px;
height: 45px;
background: #57DD43;
clip-path: polygon(0 0, 0 100%, 100% 0);
span {
font-size: 12px;
position: absolute;
top: 6px;
right: 16px;
display: inline-block;
transform: rotate(-45deg)
}
}
</code></pre>
<p>网页中的丝带效果在视觉吸引、信息引导、风格塑造、强调与突出以及用户体验提升等方面都发挥着重要作用。设计师在运用丝带效果时，应根据网页的整体风格和设计需求进行灵活搭配和创新设计，以达到最佳的视觉效果和用户体验。</p>
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