比如说……整型数组A:[0,2,3]数组B:[ {id:22, name:"aaa"}, {id:1, name:"sss"}, {id:2, name:"qq"}, {id:5, name:"sdd"}, ...]根据数组A,需要的数据是数组B的[0],[2],[3]位的id……就是[22,2,5]这样……请问要怎么提取呀?
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