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                            [TOC]
## 1.    通過 是否 item==1 決定星星的虛實
```
//{{start}}  是js里儲存的數據
<block wx:for="{{stars}}" wx:key="index">
    <image src="{{item==1}}?'/images/icon/star.png':'/images/icon/none-star.png'" />
    <!-- 
        <image wx:if="{{item==1}}" src="/images/icon/star.png" />
        <image wx:else src="/images/icon/none-star.png" /> 
    -->
</block>
```
## 2. 將評分數值轉化為  1,0 的數組
```
function star(stars) {
  var value = stars.slice(0, 1);
  var arr = [];
  for (let i = 0; i < 5; i++) {
    if (i < value) {
      arr.push(1)
    }
    else {
      arr.push(0)
    }
  }
  return arr
}
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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