弹性盒布局

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Web的Flex弹性盒模型</title>
<style>
 body{
  font-family: '微软雅黑';
  /*font-family: cursive, '微软雅黑';*/
  padding: 0;
  margin: 20px 0 40px;

  font-size: 16px;
  background-color: #F9F9F9;
 }
 h1{
  color: #0BF;
  text-indent: 15px;
 }
 h3{
  color: #6D7273;
  text-indent: 15px;
  padding: 10px 0;
  background-color: #fff;
 }
 p{
  margin: 0;
  padding: 0;
  color: #666;
  margin-bottom: 5px;
 }

 .boxes{
  padding: 0 10px;
  overflow: hidden;
  display: -webkit-flex;
  flex-wrap: wrap;
  align-content:flex-start
 }
 .box{
  width: 400px;
  padding: 8px;
  margin-right: 20px;
  margin-bottom: 10px;
  display: inline-block;
  box-shadow: 2px 2px 3px 1px #E0E0E0;
 }

 .boxstyle{
  padding: 8px 0;
 }
 .boxborder{
  border: 1px dashed #B6B6B6;
 }
 .demo{
  color: #fff;
  display: -webkit-flex;
  text-align: center;
 }
 .demo .item{
  line-height: 40px;
  background-color: #ddd;
 }
 .demo .item:nth-child(1){
  background-color: #E46C49;
 }
 .demo .item:nth-child(2){
  background-color: #37B0D3;
 }
 .demo .item:nth-child(3){
  background-color: #68B33D;
 }
 .demo .item:nth-child(4){
  background-color: #E46775;
 }
 .demo .item:nth-child(5){
  background-color: #CFC731;
 }
 .demo .item:nth-child(6){
  background-color: #8370F4;
 }

 .demo .item span{
  display: block;
 }

 .demo2 .item{
  height: 60px;
  width: 150px;
  word-wrap: break-word;
  line-height: 1.5;
 }

 .demo-row{
  flex-direction: row;
 }
 .demo-row-reverse{
  flex-direction: row-reverse;
 }
 .demo-column{
  height: 200px;
  flex-direction: column;
 }
 .demo-column-reverse{
  height: 200px;
  flex-direction: column-reverse;
 }

 .demo-nowrap{
  -webkit-flex-wrap: nowrap;
  width: 400px;
 }
 .demo-wrap{
  -webkit-flex-wrap: wrap;
  width: 400px;
 }
 .demo-wrap-reverse{
  -webkit-flex-wrap: wrap-reverse;
  width: 400px;
 }
 .demo-align-content{
  width: 400px;
  flex-wrap: wrap;
  height:200px;
  border: 1px dashed #B6B6B6;
 }
 .demo-align-content .item:nth-child(1), .demo-align-content .item:nth-child(2), .demo-align-content .item:nth-child(3),
 .demo-align-content .item:nth-child(4), .demo-align-content .item:nth-child(5), .demo-align-content .item:nth-child(6){
  background-color: #717171;
  width: 80px;
  margin: 2px 10px;
 }

</style>
</head>
<body>
 <h1>Web的Flex弹性盒模型</h1>
 <section class="content">

  <h3>[ flex ]</h3>
  <div class="boxes">
   <div class="box">
    <div class="boxstyle">
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo1">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="flex:2">flex: 2;</div>
     <div class="item" style="flex:1">flex: 1;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>display: -webkit-flex; </p>
    </div>
    <div class="demo demo2 boxborder">
     <div class="item" style="margin-right:10px;">
      <span>width:150px;</span> <span>margin-right:10px;</span></div>
     <div class="item" style="flex:1">flex: 1;</div>
     <div class="item" style="margin-left:10px;">
      <span>width:150px;</span> <span>margin-left:10px;</span></div>
    </div>
   </div>
  </div>

  <h3>[ flex-direction ]</h3>
  <div class="boxes" style="width:900px">
   <div class="box">
    <div class="boxstyle">
     <p>flex-direction: row; /*default*/</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-row">
     <div class="item" style="flex:1">flex: 1;</div>
     <div class="item" style="flex:2">flex: 2;</div>
     <div class="item" style="flex:3">flex: 3;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>flex-direction: row-reverse;</p>
     <p>display: -webkit-flex; </p>
    </div>
    <div class="demo demo-row-reverse">
     <div class="item" style="flex:1">flex: 1;</div>
     <div class="item" style="flex:2">flex: 2;</div>
     <div class="item" style="flex:3">flex: 3;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>flex-direction: column;</p>
     <p>display: -webkit-flex; </p>
    </div>
    <div class="demo demo-column">
     <div class="item" style="flex:1">flex: 1;</div>
     <div class="item" style="flex:2">flex: 2;</div>
     <div class="item" style="flex:3">flex: 3;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>flex-direction: column-reverse;</p>
     <p>display: -webkit-flex; </p>
    </div>
    <div class="demo demo-column-reverse">
     <div class="item" style="flex:1">flex: 1;</div>
     <div class="item" style="flex:2">flex: 2;</div>
     <div class="item" style="flex:3">flex: 3;</div>
    </div>
   </div>
  </div>

  <h3>[ flex-wrap ]</h3>
  <div class="boxes" style="width:1310px">
   <div class="box">
    <div class="boxstyle">
     <p>-webkit-flex-wrap: nowrap; /* default */</p>
     <p>display: -webkit-flex; </p>
     <p>width: 400px</p>
    </div>
    <div class="demo demo-nowrap">
     <div class="item" style="width: 100px">100px;</div>
     <div class="item" style="width: 200px">width: 200px;</div>
     <div class="item" style="width: 300px">width: 300px;</div>
    </div>
   </div>
   <div class="box">
    <div class="boxstyle">
     <p>-webkit-flex-wrap: wrap</p>
     <p>display: -webkit-flex; </p>
     <p>width: 400px</p>
    </div>
    <div class="demo demo-wrap boxborder">
     <div class="item" style="width: 100px">100px;</div>
     <div class="item" style="width: 200px">width: 200px;</div>
     <div class="item" style="width: 300px">width: 300px;</div>
    </div>
   </div>
   <div class="box">
    <div class="boxstyle">
     <p>-webkit-flex-wrap: wrap-reverse</p>
     <p>display: -webkit-flex; </p>
     <p>width: 400px</p>
    </div>
    <div class="demo demo-wrap-reverse boxborder">
     <div class="item" style="width: 100px">100px;</div>
     <div class="item" style="width: 200px">width: 200px;</div>
     <div class="item" style="width: 300px">width: 300px;</div>
    </div>
   </div> 
  </div>

  <h3>[ flex-flow ]: flex-direction flex-wrap; /* 自个体会吧 */</h3>

  <h3>[ justify-content ]</h3>
  <div class="boxes" style="width:1310px;">
   <div class="box">
    <div class="boxstyle">
     <p>/* 效果如同 float:left; */</p>
     <p>justify-content: flex-start; /* default */</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="justify-content: flex-start;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p><p>/* 效果如同 float:right; */</p></p>
     <p>justify-content: flex-end;</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-justify boxborder"  style="justify-content: flex-end;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>/* 第三代水平居中方案 */</p>
     <p>justify-content: center;</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-justify-end boxborder" style="justify-content: center;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>justify-content: space-between; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-justify boxborder" style="justify-content: space-between;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>justify-content: space-around; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-justify-end boxborder" style="justify-content: space-around;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>
  </div>

  <h3>[ align-self ]</h3>
  <div class="boxes">
   <div class="box" style="width:1000px;">
    <div class="boxstyle">
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="width: 1000px; height:200px;">
     <div class="item" style="width:200px; align-self:flex-start;">align-self:flex-start;</div>
     <div class="item" style="width:200px; align-self:flex-end;">align-self:flex-end;</div>
     <div class="item" style="width:200px; align-self:center;">align-self:center;</div>
     <div class="item" style="width:200px; align-self:auto;">
      <span>align-self:auto;</span>
      <span>/*default */</span>
     </div>

     <div class="item" style="width:200px; align-self:baseline;">align-self:baseline;</div>
     <div class="item" style="width:200px; align-self:stretch;">align-self:stretch;</div>
    </div>
   </div>
  </div>

  <h3>[ align-items ]</h3>
  <div class="boxes">
   <div class="box">
    <div class="boxstyle">
     <p>align-items: flex-start; /* default */</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="align-items: flex-start;height:200px;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>align-items: flex-end; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="align-items: flex-end;height:200px;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>/* 第三代垂直居中 */</p>
     <p>align-items: center; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="align-items: center;height:200px;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>align-items: baseline; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="align-items: baseline;height:200px;">
     <div class="item" style="width:100px">width:100px;</div>
     <div class="item" style="width:100px">width:100px;</div>
    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>align-items: stretch; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo boxborder" style="align-items: stretch;height:200px;">
     <div class="item" style="width:100px; height:100px;">height:100px;</div>
     <div class="item" style="width:150px; min-height:20px;">min-height:20px;</div>
     <div class="item" style="width:150px; max-height:60px;">max-height:60px;</div>
    </div>
   </div>
  </div>


  <h3>[ align-content ]</h3>
  <div class="boxes">
   <div class="box">
    <div class="boxstyle">
     <p>/* <span style="color:red"> 对比 align-items</span>*/</p>
     <p>align-items: flex-start</p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-items: flex-start">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>align-content: flex-start; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: flex-start;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div>

   <div class="box">
    <div class="boxstyle">
     <p>align-content: flex-end; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: flex-end;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div>
   <div class="box">
    <div class="boxstyle">
     <p>align-content: center; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: center;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div>
   <div class="box">
    <div class="boxstyle">
     <p>align-content: space-between; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: space-between;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>
    </div>
   </div>
   <div class="box">
    <div class="boxstyle">
     <p>align-content: space-around; </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: space-around;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div>  

   <div class="box">
    <div class="boxstyle">
     <p>align-content: stretch; /*default*/ </p>
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="align-content: stretch;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" >d</div>
     <div class="item" >e</div>
     <div class="item" >f</div>

    </div>
   </div> 
 
  </div> 

  <h3>[ order ]</h3>
  <div class="boxes">
   <div class="box" style="width:1000px;">
    <div class="boxstyle">
     <p>display: -webkit-flex;</p>
    </div>
    <div class="demo demo-align-content" style="width: 1000px;height:40px;">
     <div class="item" >a</div>
     <div class="item" >b</div>
     <div class="item" >c</div>
     <div class="item" style="order:-1; width:120px"> d (order:-1) </div>
     <div class="item" >e</div>
     <div class="item" >f</div>
    </div>
   </div>
  </div>

 </section>
 

</body>
</html>
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