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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