Mongo shell 函数详解

angela

文件系统
> pwd()
/root/.m2
> ls()
[
"./settings.xml",
"./mongo.js",
"./data.json"
]
> listFiles()
[
{
"name" : "./settings.xml",
"isDirectory" : false,
"size" : 2333
},
{
"name" : "./mongo.js",
"isDirectory" : false,
"size" : 12
},
{
"name" : "./data.json",
"isDirectory" : false,
"size" : 292
}
]
> var data = cat("./data.json")
> data.trim()
{"code":0,"data":{"country":"\u4e2d\u56fd","country_id":"CN","area":"\u534e\u4e1c","area_id":"300000","region":"\u4e0a\u6d77\u5e02","region_id":"310000","city":"\u4e0a\u6d77\u5e02","city_id":"310000","county":"","county_id":"-1","isp":"\u79fb\u52a8","isp_id":"100025","ip":"117.135.147.85"}}
> var obj = JSON.parse(data)
> obj
{
"code" : 0,
"data" : {
"country" : "中国",
"country_id" : "CN",
"area" : "华东",
"area_id" : "300000",
"region" : "上海市",
"region_id" : "310000",
"city" : "上海市",
"city_id" : "310000",
"county" : "",
"county_id" : "-1",
"isp" : "移动",
"isp_id" : "100025",
"ip" : "117.135.147.85"
}
}
> db.tmp.save(obj)
> db.tmp.findOne()
{
"_id" : ObjectId("54226ac33bffbb23d33a2cbf"),
"code" : 0,
"data" : {
"country" : "中国",
"country_id" : "CN",
"area" : "华东",
"area_id" : "300000",
"region" : "上海市",
"region_id" : "310000",
"city" : "上海市",
"city_id" : "310000",
"county" : "",
"county_id" : "-1",
"isp" : "移动",
"isp_id" : "100025",
"ip" : "117.135.147.85"
}
}
> Object.keySet(obj)
[ "code", "data", "_id" ]
> db.tmp.find()
{ "_id" : ObjectId("54226ac33bffbb23d33a2cbf"), "code" : 0, "data" : { "country" : "中国", "country_id" : "CN", "area" : "华东", "area_id" : "300000", "region" : "上海市", "region_id" : "310000", "city" : "上海市", "city_id" : "310000", "county" : "", "county_id" : "-1", "isp" : "移动", "isp_id" : "100025", "ip" : "117.135.147.85" } }
> cat("./mongo.js")
db.tmp.remove()
> load("./mongo.js")
true
> db.tmp.find()
> 
 
　　mongodb shell 使用js 
　　http://www.habadog.com/2011/08/09/mongodb-shell-use-js/