– 使用geoWithin查询
“`
> db.location.find()
{ “_id” : ObjectId(“587091389a0bf268727ed5bc”), “w” : [ 1, 1 ] }
{ “_id” : ObjectId(“5870913c9a0bf268727ed5bd”), “w” : [ 1, 2 ] }
{ “_id” : ObjectId(“587091419a0bf268727ed5be”), “w” : [ 3, 2 ] }
{ “_id” : ObjectId(“587091509a0bf268727ed5bf”), “w” : [ 100, 100 ] }
{ “_id” : ObjectId(“587091979a0bf268727ed5c2”), “w” : [ 180, 80 ] }
> db.location.find({w:{$geoWithin:{$box:[[0,0],[3,3]]}}})
{ “_id” : ObjectId(“587091389a0bf268727ed5bc”), “w” : [ 1, 1 ] }
{ “_id” : ObjectId(“5870913c9a0bf268727ed5bd”), “w” : [ 1, 2 ] }
{ “_id” : ObjectId(“587091419a0bf268727ed5be”), “w” : [ 3, 2 ] }
> db.location.find({w:{$geoWithin:{$box:[[1,1],[2,3]]}}})
{ “_id” : ObjectId(“587091389a0bf268727ed5bc”), “w” : [ 1, 1 ] }
{ “_id” : ObjectId(“5870913c9a0bf268727ed5bd”), “w” : [ 1, 2 ] }
> db.location.find({w:{$geoWithin:{$center:[[0,0],5]}}})
{ “_id” : ObjectId(“587091389a0bf268727ed5bc”), “w” : [ 1, 1 ] }
{ “_id” : ObjectId(“5870913c9a0bf268727ed5bd”), “w” : [ 1, 2 ] }
{ “_id” : ObjectId(“587091419a0bf268727ed5be”), “w” : [ 3, 2 ] }
> db.location.find({w:{$geoWithin:{$polygon:[[0,0],[0,1],[2,5],[6,1]]}}})
{ “_id” : ObjectId(“587091389a0bf268727ed5bc”), “w” : [ 1, 1 ] }
{ “_id” : ObjectId(“5870913c9a0bf268727ed5bd”), “w” : [ 1, 2 ] }
{ “_id” : ObjectId(“587091419a0bf268727ed5be”), “w” : [ 3, 2 ] }
“`
– geoNear查询
“`
> db.runCommand({geoNear:”location”,near:[1,2],maxDistance:10,num:1})
{
“results” : [
{
“dis” : 0,
“obj” : {
“_id” : ObjectId(“5870913c9a0bf268727ed5bd”),
“w” : [
1,
2
]
}
}
],
“stats” : {
“nscanned” : 3,
“objectsLoaded” : 1,
“avgDistance” : 0,
“maxDistance” : 0,
“time” : 7
},
“ok” : 1
}
“`
