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element-ui部分表的表头选项框无法出现不确定状态

问题点:使用element-ui表头选项框无法出现不确定状态

代码相同,只是改变了表头及数据
1.异常情况
image.png

2.正常情况
image.png

封装table代码:
image.png

使用处代码
image.png


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看下你异常的表格,表格数据应该没有id字段吧,正常的表格数据是不是有id字段?
可以试试用'row-key'指定一下你的每一条数据的唯一标识。
假设你的数据是

data =[{myId:1,name:'xxx'},{myId:2,name'xxx'}]

则在table上指定

<el-table row-key='myId'></el-table>

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