错误示例

this.leftColumn = {...this.Columns};
this.rightColumn =  {...this.Columns};

正确示例

this.leftColumn = JSON.parse(JSON.stringify(this.Columns));
this.rightColumn = JSON.parse(JSON.stringify(this.Columns));

 

转自: https://blog.csdn.net/qq_39517820/article/details/83182080

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