微信小程序:Flex佈局VS普通佈局

普通佈局思維:
CSS:
  .cases-left,.cases-right{width:47%;float:left;margin-left:2%;}
Flex思維:
CSS:
  .cases{display:flex;flex-flow:row wrap;justify-content:space-around;}
 
普通動態寬度:
Html:
  <view style="width:{{vW}}" wx:for="{{view}}">{{item}}</view>
Js:
  vW = 1 / (view.length) * 100 + "%";
  this.setData({vW})
Flex動態寬度:
CSS:
  .vW{display:flex;flex-flow:row nowrap;justify-content:space-around;}

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