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                            # 有關于vue上拉加載

## 需求

* 實現部分組件下拉加載數據。一般都是list類型的組件

## 方案

* 原理
	 監聽scroll事件 并且 判斷 scrollTop + clientHeight >= scrollHeight
  
* 核心代碼
	
	rel.addEventListener("scroll", () => {
    	if ( rel.scrollTop + rel.clientHeight >= rel.scrollHeight) {
        ajax在這里編寫
       		 }
     }

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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