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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] # wx:if ``` <view wx:if="{{condition==1}}"> 吃米飯 </view> <view wx:elif ="{{condition ==2}}"> 吃粥 </view> <view wx:else> 不吃 </view> ``` ``` Page({ data:{ condition : Math.floor(Math.random()*3+1) } }) ``` ## demo ### 1.使用點擊事件,實現圖片切換 ``` <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'}}"/> ```
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                              哎呀哎呀视频在线观看