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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ### wx:if ~~~ wxml文件: <view wx:if="{{condition==1}}"> 吃米飯 </view> <view wx:elif ="{{condition ==2}}"> 吃粥 </view> <view wx:else> 不吃 </view> ~~~ ~~~ js文件: Page({ data:{ condition : Math.floor(Math.random()*3+1) } }) ~~~ ### demo ~~~ 1.使用點擊事件,實現圖片切換 //wxml <image bindtap = "click" wx:if="{{show}}" src="/images/tab/ciwei.png"/> <image bindtap = "click" wx:else src="/images/tab/ciwei_hl.png"/> //js Page({ data: { show:false }, click(){ if(this.data.show){ this.setData({ show:false }) }else{ this.setData({ show:true }) } } }) ~~~ ### 2.使用三元表達式 ~~~ <image bindtap = "click" src="{{show?'/images/tab/ciwei.png':'/images/tab/ciwei_hl.png'}}"/> ~~~ ~~~ 全部數據都在接口上 <image src="{{isplay?list[0].musiccoverImg:list[0].imgSrc}}"></image> ~~~
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