let where = [{

  field:'pri',

  op:'gt',

  val:0

},{

  field:'other',

  op:'lt',

  val:2

}]

wx.navigateTo({

    url:'./market/market?wh='+JSON.stringify(where)

})

============

market/market.js

​

onLoad(e){

  if(e.wh){

    var _ = db.comman

    var wh = JSON.parse(e.wh)||[], where = {}

    for(var i in wh){

      wh[i].op == 'gt' && (where[wh[i].field]: _.gt(wh[i].val))

      wh[i].op == 'lt' && (where[wh[i].field]: _.lt(wh[i].val))

    }

    if(JSON.stringify(where) !== '{}'){

      db.collection(...).where(where).get()

    }

  }

}