vue數據處理：把數組處理成適用於tree組件的數據

例： 數據處理前： [{"id":1,"pid":0,"name":"默認維度","type":"0"}, {"id":2,"pid":1,"name":"上海科技有限公司","type":"1"}, {"id":3,"pid":2,"name":"北京科技有限公司","type":"1"}, {"id":4,"pid":2,"name":"北京科技有限公司","type":"1"}, {"id"

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