[GitHub] [incubator-echarts] fsql commented on issue #12822: 2.x中的refresh函数在4.x中改成什么了？

[GitBox <gi...@apache.org>]

fsql commented on issue #12822:
URL: https://github.com/apache/incubator-echarts/issues/12822#issuecomment-645831401


   > 统一由 `setOption` 处理了，如果有数据改变，就把改变的数据放在参数里。
   
   `
   myChart.on("click", reloadTree);
   function reloadTree(params)
   {
   	var addData = getTreeData(params.data.uid);
   	if(param.data.children)
   	{
               param.data.children.push(addData);
   	}else{
   			param.data.children = [addData];
   	}
   	
   	
   	myChart.setOption();
   }
   
   function getTreeData(userId)
   {
   	$.ajax(.........);
   	return data;
   }
   `
   params中没有返回其他节点数据，应该怎么写才能定位params在setOption()参数里的位置？


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