我有一个这样的字符串，[{"invalid":0,"1":"开","id":795}, {"0":"关","invalid":0,"id":796}, {"invalid":0,"2":"不开不关","id":801}]，我想把它变成[{"invalid":0,"code":"1","name":"开","id":795}, {"code":"0","name":"关","invalid":0,"id":796}, {"invalid":0,"code":"2","name","不开不关","id":801}]这样的，该怎么实现呀
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