微信小程序组件解读和分析:一、view(视图容器 )

view组件说明:
    视图容器
    跟HTML代码中的DIV一样,可以包裹其他的组件,也可以被包裹在其他的组件内部。用起来比较自由随意,没有固定的结构。

view组件的用法:

 

示例项目的wxml代码:

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<view  class="btnGroup">
        <view class="item orange" >退格</view>
        <view class="item orange" >清屏</view>
        <view class="item orange" >+/-</view>
        <view class="item orange" >+</view>
      </view>
      <view  class="btnGroup">
        <view class="item blue" >9</view>
        <view class="item blue" >8</view>
        <view class="item blue" >7</view>
        <view class="item orange" >-</view>
      </view>
      <view  class="btnGroup">
        <view class="item blue" >6</view>
        <view class="item blue" >5</view>
        <view class="item blue" >4</view>
        <view class="item orange" >×</view>
      </view>
      <view  class="btnGroup">
        <view class="item blue" >3</view>
        <view class="item blue" >2</view>
        <view class="item blue" >1</view>
        <view class="item orange" >÷</view>
      </view>
      <view  class="btnGroup">
        <view class="item blue" >0</view>
        <view class="item blue" >.</view>
        <view class="item blue" >历史</view>
        <view class="item orange" >=</view>
      </view>



示例项目的WXSS代码:

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.btnGroup{
    display:flex;
    flex-direction:row;
}
.orange{
    color: #fef4e9;
    border: solid 1px #da7c0c;
    background: #f78d1d;
}
.blue{
    color: #d9eef7;
    border: solid 1px #0076a3;
    background: #0095cd;
}



视图样式flex-direction: row的效果图:
 
WXML代码如下

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<view class="flex-wrp">
    <view class="flex-item red" ></view>
    <view class="flex-item green" ></view>
    <view class="flex-item blue" ></view>
</view>



WXSS代码如下:

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.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式flex-direction: column的效果图:
 


WXML代码如下:

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<view class="flex-wrp column">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.column{
   flex-direction:column;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式justify-content: flex-start的效果图:
 

WXML代码如下:

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<view class="flex-wrp flex-start">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.flex-start{
    flex-direction:row;
    justify-content: flex-start;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}


视图样式justify-content: flex-end的效果图:
 

WXML代码如下:

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<view class="flex-wrp flex-end">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.flex-end{
    flex-direction:row;
    justify-content: flex-end;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式justify-content: center的效果图:
 

WXML代码如下:

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<view class="flex-wrp justify-content-center">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.justify-content-center{
    flex-direction:row;
    justify-content: center;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式justify-content: space-between的效果图:
 

WXML代码如下:

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<view class="flex-wrp space-between">
  <view class="flex-item" style="background: red"></view>
  <view class="flex-item" style="background: green"></view>
  <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.space-between{
  flex-direction:row;
  justify-content: space-between;
}
.flex-wrp{
  height: 100px;
  display:flex;
  background-color: #FFFFFF;
}
.flex-item{
  width: 100px;
  height: 100px;
}
.red{
  background: red;
}
.green{
  background: green;
}
.blue{
  background: blue;
}



视图样式justify-content: space-around的效果图:
 

WXML代码如下:

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<view class="flex-wrp space-around">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.space-around{
    flex-direction:row;
    justify-content: space-around;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式align-items: flex-end的效果图:
 

WXML代码如下:

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<view class="flex-wrp align-items-flex-end">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.align-items-flex-end{
    height: 200px;
    flex-direction:row;
    justify-content: center;
    align-items: flex-end;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式align-items: center的效果图:
 

WXML代码如下:

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<view class="flex-wrp align-items-center">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.align-items-center{
    height: 200px;
    flex-direction:row;
    justify-content: center;
    align-items: center;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



视图样式align-items: flex-start的效果图:
 
WXML代码如下:

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<view class="flex-wrp align-items-flex-start">
    <view class="flex-item" style="background: red"></view>
    <view class="flex-item" style="background: green"></view>
    <view class="flex-item" style="background: blue"></view>
</view>



WXSS代码如下:

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.align-items-flex-start{
    height: 200px;
    flex-direction:row;
    justify-content: center;
    align-items: flex-start;
}
.flex-wrp{
    height: 100px;
    display:flex;
    background-color: #FFFFFF;
}
.flex-item{
    width: 100px;
    height: 100px;
}
.red{
    background: red;
}
.green{
    background: green;
}
.blue{
    background: blue;
}



主要属性:

排列方式(flex-direction),用于wxss


属性
描述
row
横向排列
column
纵向排列


弹性项目内容对齐(justify-content),用于wxss


属性
描述
flex-start
弹性项目向行头紧挨着填充
flex-end
弹性项目向行尾紧挨着填充
center
弹性项目居中紧挨着填充
space-between
弹性项目平均分布在该行上
space-around
弹性项目平均分布在该行上,两边留有一半的间隔空间


项目在容器内侧轴方位的对齐方式(align-items),用于wxss


 

属性
描述
stretch
默认值,弹性项目被拉伸以适应容器
center
弹性项目位于容器的中心
flex-start
弹性项目位于容器的开头
flex-end
弹性项目位于容器的结尾
baseline
弹性项目位于容器的基线上

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posted on 2017-03-28 22:19  微信开发--51小程序  阅读(1830)  评论(0编辑  收藏  举报

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