数组A:
数组B:
根据A中的nav_id与数组B中的child_nav是否相等,重组为C
希望数组C的结构为:
`{
{
cats:{id:'9991',nav_id:"1864",.....},
goods: [
{child_nav_id: '1864',........},
{child_nav_id: '1864',........},
]
},
{
cats:{id:'9593',nav_id:"1866",.....},
goods: [
{child_nav_id: '1866',........},
{child_nav_id: '1866',........},
]
},
}`
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