假设有一个数组是这样
[ {eid: cat, name: aa}, {eid: cat, name: bb}, {eid: dog, name: cc}, {eid: cat, name: dd}, {eid: pig, name: ee}, {eid: cat, name: ff}, {eid: dog, name: gg} ]
我想要对数组做处理,将相同的eid放在一起
变成
[ {eid: cat, name: aa}, {eid: cat, name: bb}, {eid: cat, name: dd}, {eid: cat, name: ff}, {eid: dog, name: cc}, {eid: dog, name: gg}, {eid: pig, name: ee} ]
这有办法实现吗?
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