mongodb tip-1

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mongodb

模糊查询:

{people_name:{$regex:/杨/}}

更新返回更新后的数据:

NewContract.findByIdAndUpdate(id, data, { new: true, select: 'attachment no' }, cb)

关联查询:

People.findById(people_id)

.populate({

path: 'it_0002',

model: 'IT_0002',

select: 'address_type_code address'

})

.populate({

path: 'company',

model: 'Company',

select: 'company_name nature province_name city_name tell postcode address'

})