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Controller
<text>Demo\n</text>
<text>2.数据绑定</text>
<view>{{message}}</view>
<text>3.运算</text>
<view>{{a+b}}+{{c}}=6</view>
<text>4.条件渲染</text>
<view wx:if="{{num==1}}">num与1相等</view>
<view wx:if="{{num>1}}">num大于1</view>
<view wx:if="{{num<1}}">num小于1</view>
Model
{
data:{
message:'Hello World！',
a:1,
b:2,
c:3,
num:2
}
}
)
