如何循环一个数字变量?

小程序 文章 2020-08-03 11:21 608 0 全屏看文

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如何循环一个数字变量?

例如一个变量tai_num,它的值可能为1,2,3,4,我要怎么在wxml中循环它

例如wx:for="{{4}}"可以输出四条内容

wx:for="{{tai_num}}"怎么写让他输出四条呢

For example, a variable Tai_ Num, whose value may be 1, 2, 3, 4. How can I loop it in wxml? For example, Wx: for = {4}} can output four items of content, Wx: for = {Tai_ How to write "num}}" to let him output four

回答:

Distance:
// page.wxml   tai_num=4: 1,2,3,4  tai_num=3: 1,2,3<view wx:for="{{tai_num}}" wx:key="index">{{item + 1}}</view>// page.jsPage({  data: {    tai_num: 4  }})
王志鹏:

<view wx:for="{{tai_num}}">{{item}}</view>


微喵网络:
this.setData({  tai_num: 4})

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