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                            # 原生js上傳組件

> 需要實現一次上傳多張圖片的功能
> 

最簡單的做法：

js部分：
~~~
upload (e) {

          var FileLists = e.target.files
          var render = new FileReader()

          render.readAsDataURL(FileLists[0])
          render.onload = e => {
            console.log(this.$refs)
            this.isShow = false
             this.showImg = e.target.result
          }
        }
~~~


html部分： 
~~~
<div>
       <div class="l-upload">
         <div class="l-upload-item">
           <div class="l-upload-show">
             <img v-if="isShow"  :src="uploadImg" alt="無法顯示">
             <img v-else ref="show"  :src="showImg" alt="無法顯示"/>
           </div>
           <input @change="upload" class="l-upload-file" name="file" type="file" ref="upload" multiple="multiple">
         </div>
       </div>
    </div>
~~~


資料參考：
[兼容ie,火狐](https://blog.csdn.net/luckyJieXu/article/details/71171603)

[FileReader對象](https://blog.csdn.net/zk437092645/article/details/8745647/)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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