// 使用Transform的属性,组合translate(位移)和rotate(旋转),将生成的小矩形组合成各种箭头样式;
HTML
1 <section class="main"> 2 <header class="title">图标变形过渡效果缩放式菜单</header> 3 <section> 4 <button>图标</button> 5 <header> 6 #300x100 淡色系 7 </header> 8 <div> 9 <article> 10 <img src="http://www.gbtags.com/gb/laitu/300x100" alt="" /> 11 </article> 12 </div> 13 </section> 14 <section> 15 <button>图标</button> 16 <header> 17 #300x100 暗色系 18 </header> 19 <div> 20 <article> 21 <img src="http://www.gbtags.com/gb/laitu/300x100/666666/ffffff" alt="" /> 22 </article> 23 </div> 24 </section> 25 </section>
CSS
1 * { box-sizing:border-box;} 2 body { font-family: ‘microsoft yahei‘,Arial,sans-serif; background: #aaa;} 3 section { position: relative; width:100%;} 4 section.main { position: absolute; top:10%; left:25%; width:50%; max-width:30em; min-width:15em; border-radius:5px; overflow: hidden;} 5 section.main > header { background: orange; color:#fff; line-height: 1.2em; text-align: center;} 6 section section:last-child { border:none;} 7 section > div { height:0; overflow: hidden; transition:all .4s ease-in-out;} 8 article,header { padding:1em; line-height: 1em;} 9 header:not(.title) { width:100%; overflow: hidden; height:3em; background: #efefef; cursor:pointer; color:#888; white-space:nowrap; text-overflow: ellipsis; padding-right: 2.1em;} 10 header:not(.title):hover { background: #e8e8e8;} 11 article { line-height: 1.4em; background: rgba(255, 255, 255, .7);} 12 article img { width:100%; height:auto; border:2px solid white; border-radius: 3px;} 13 14 /* 使用CSS3的伪选择器,生成关闭和向下两个图标按钮; */ 15 /* 使用变形属性,组合位移和旋转,可将生成的小矩形组合成向下按钮,同样也可以组装成关闭按钮; */ 16 section button { position: absolute; right:0; margin:0; padding:0; height:3em; width:3em; outline:none; border:0; background: none; text-indent: -9999px; pointer-events:none; cursor:pointer;} 17 section button:before, 18 section button:after { content:‘‘; display: block; position: absolute; width:4px; height:12px; background: orange; border-radius: .3em; top:50%; left:50%; transition:all .3s ease-in-out;} 19 20 /*向左箭头*/ 21 /*section button:before { transform:translate(0%, -50%) rotate(45deg);} 22 section button:after { transform:translate(0%, 0%) rotate(-45deg);}*/ 23 24 /*向右箭头*/ 25 /*section button:before { transform:translate(0%, -50%) rotate(-45deg);} 26 section button:after { transform:translate(0%, 0%) rotate(45deg);}*/ 27 28 /*向上箭头*/ 29 /*section button:before { transform:translate(75%, -20%) rotate(-45deg);} 30 section button:after { transform:translate(-75%, -20%) rotate(45deg);}*/ 31 32 /*向下箭头*/ 33 section button:before { transform:translate(75%, 0%) rotate(45deg);} 34 section button:after { transform:translate(-75%, 0%) rotate(-45deg);} 35 36 37 /* 点击之后需要变成"X"; */ 38 section.open button:after,section.open button:before { background: red; height:14px; } 39 section.open button:before { transform:translate(-75%, -20%) rotate(45deg);} 40 section.open button:after { transform:translate(-75%, -20%) rotate(-45deg);}
JavaScript
1 $(function(){ 2 $(‘section section header‘).on(‘click‘, function () { 3 var $this = $(this), 4 parent_section = $this.parent(), 5 closeDiv = $this.siblings(‘div‘), 6 contentheight = closeDiv.children(‘article‘).outerHeight(); 7 (closeDiv.height() === 0 ) ? closeDiv.height(contentheight) : closeDiv.height(0); 8 // 更改容器高度; 9 $this.parents(‘section‘).first().toggleClass(‘open‘); 10 // 更改箭头样式; 11 }); 12 });
时间: 2024-07-30 04:03:18