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mongo-example
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This commit is contained in:
suguo.yao 2023-01-16 15:22:35 +08:00
parent ea1549c017
commit 49376c4474
8 changed files with 375 additions and 0 deletions
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19
go.mod Normal file
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module myschools.me/suguo/mongo-sample
go 1.19
require go.mongodb.org/mongo-driver v1.11.1
require (
github.com/golang/snappy v0.0.1 // indirect
github.com/klauspost/compress v1.13.6 // indirect
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/xdg-go/pbkdf2 v1.0.0 // indirect
github.com/xdg-go/scram v1.1.1 // indirect
github.com/xdg-go/stringprep v1.0.3 // indirect
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/text v0.3.7 // indirect
)

55
go.sum Normal file
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/klauspost/compress v1.13.6 h1:P76CopJELS0TiO2mebmnzgWaajssP/EszplttgQxcgc=
github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe h1:iruDEfMl2E6fbMZ9s0scYfZQ84/6SPL6zC8ACM2oIL0=
github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
github.com/xdg-go/scram v1.1.1 h1:VOMT+81stJgXW3CpHyqHN3AXDYIMsx56mEFrB37Mb/E=
github.com/xdg-go/scram v1.1.1/go.mod h1:RaEWvsqvNKKvBPvcKeFjrG2cJqOkHTiyTpzz23ni57g=
github.com/xdg-go/stringprep v1.0.3 h1:kdwGpVNwPFtjs98xCGkHjQtGKh86rDcRZN17QEMCOIs=
github.com/xdg-go/stringprep v1.0.3/go.mod h1:W3f5j4i+9rC0kuIEJL0ky1VpHXQU3ocBgklLGvcBnW8=
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d h1:splanxYIlg+5LfHAM6xpdFEAYOk8iySO56hMFq6uLyA=
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
go.mongodb.org/mongo-driver v1.11.1 h1:QP0znIRTuL0jf1oBQoAoM0C6ZJfBK4kx0Uumtv1A7w8=
go.mongodb.org/mongo-driver v1.11.1/go.mod h1:s7p5vEtfbeR1gYi6pnj3c3/urpbLv2T5Sfd6Rp2HBB8=
golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

35
main.go Normal file
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package main
import (
"fmt"
"log"
"go.mongodb.org/mongo-driver/bson/primitive"
"myschools.me/suguo/mongo-sample/mongo"
)
func main() {
mongo.Init(&mongo.Config{
Uri: "mongodb://root:example@192.168.0.254:27017",
Database: "example",
Timeout: 10,
})
obj, err := mongo.DocumentCreate("person", &Student{
ID: primitive.NewObjectID(), //ObjectID("000000000000000000000000")，重复插入出现E1100错误
Name: "王保强",
Sex: "男",
})
if err != nil {
log.Fatal(err)
}
fmt.Println(obj)
}
type Student struct {
ID primitive.ObjectID `bson:"_id" json:"id,omitempty"`
Name string `json:"name,omitempty"`
Sex string `json:"sex,omitempty"`
}

9
mongo/collection.go Normal file
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package mongo
import "go.mongodb.org/mongo-driver/mongo"
// Collection 获取集合
func Collection(client *mongo.Client, cname string) (*mongo.Collection, error) {
collection := client.Database(config.Database).Collection(cname)
return collection, nil
}

9
mongo/config.go Normal file
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package mongo
type Config struct {
Uri string
Username string
Password string
Database string
Timeout int
}

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mongo/document.go Normal file
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package mongo
import (
"context"
"time"
)
// 文档创建，返回InsertedID
func DocumentCreate(colName string, obj interface{}) (interface{}, error) {
client, err := New()
if err != nil {
return nil, err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(config.Timeout)*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, colName)
if err != nil {
return nil, err
}
ret, err := col.InsertOne(ctx, obj)
if err != nil {
return nil, err
}
return ret.InsertedID, nil
}

70
mongo/mongo.go Normal file
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package mongo
import (
"context"
"errors"
"strings"
"time"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/mongo/readpref"
)
var config *Config
func Init(conf *Config) {
config = conf
if config == nil {
config = &Config{
Uri: "mongodb://localhost:27017",
Database: "admin",
Timeout: 3,
}
}
}
// New 获取mongo客户端
// // "mongodb://user:password@localhost:27017"
func New() (*mongo.Client, error) {
clientOpts := options.Client().ApplyURI(config.Uri)
if config.Username != "" && config.Password != "" {
clientOpts = clientOpts.SetAuth(options.Credential{
AuthMechanism: "SCRAM-SHA-256",
AuthSource: config.Database,
Username: config.Username,
Password: config.Password,
})
}
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(config.Timeout)*time.Second)
defer cancel()
return mongo.Connect(ctx, clientOpts)
}
func Ping() error {
client, err := New()
if err != nil {
return err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(config.Timeout)*time.Second)
defer cancel()
defer client.Disconnect(ctx)
return client.Ping(ctx, readpref.Primary())
}
// CollectionMulti 支持多数据库直接获取collection
func CollectionMulti(client *mongo.Client, cname string) (*mongo.Collection, error) {
name := strings.Split(cname, ".")
if len(name) != 2 {
return nil, errors.New("collection名称不正确, 请使用[database.collection]方式使用")
}
if name[0] == "" || name[1] == "" {
return nil, errors.New("名称不能为空")
}
collection := client.Database(name[0]).Collection(name[1])
return collection, nil
}

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mongo/mongo_test.go Normal file
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package mongo
import (
"context"
"fmt"
"testing"
"time"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
)
func init() {
Init(&Config{
Uri: "mongodb://192.168.0.254:27017",
Database: "test",
Username: "test",
Password: "Test1231",
Timeout: 3,
})
}
func TestMongo(t *testing.T) {
if err := Ping(); err != nil {
t.Fatal(err)
}
}
type Student struct {
ID primitive.ObjectID `bson:"_id" json:"id,omitempty"`
Name string `json:"name,omitempty"`
Sex string `json:"sex,omitempty"`
}
func TestInsert(t *testing.T) {
client, err := New()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, "student")
if err != nil {
t.Fatal(err)
}
// ret, err := col.InsertOne(ctx, Student{Name: "张惠", Sex: "女"})
ret, err := col.InsertOne(ctx, Student{ID: primitive.NewObjectID(), Name: "张惠", Sex: "女"})
if err != nil {
t.Fatal(err)
}
fmt.Println(ret)
}
func TestDelete(t *testing.T) {
client, err := New()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, "student")
if err != nil {
t.Fatal(err)
}
if err := col.FindOneAndDelete(ctx, bson.D{{"name", "张惠"}}).Err(); err != nil {
t.Fatal(err)
}
}
func TestSingleResult(t *testing.T) {
client, err := New()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, "student")
if err != nil {
t.Fatal(err)
}
var result Student
// if err := col.FindOne(ctx, bson.D{{"name", "张惠"}}).Decode(&result); err != nil {
if err := col.FindOne(ctx, bson.M{"name": "张惠"}).Decode(&result); err != nil {
if err != mongo.ErrNoDocuments {
t.Fatal(err)
}
}
fmt.Println(result)
}
func TestFindAll(t *testing.T) {
client, err := New()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, "student")
if err != nil {
t.Fatal(err)
}
cur, err := col.Find(ctx, bson.D{})
if err != nil {
t.Fatal(err)
}
defer cur.Close(ctx)
for cur.Next(ctx) {
var result Student
if err := cur.Decode(&result); err != nil {
t.Fatal(err)
}
fmt.Println(result, result.ID.String(), result.ID.Timestamp(), result.ID.Timestamp().Local())
}
if err := cur.Err(); err != nil {
t.Fatal(err)
}
}
func TestFind(t *testing.T) {
client, err := New()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()
defer client.Disconnect(ctx)
col, err := Collection(client, "student")
if err != nil {
t.Fatal(err)
}
cur, err := col.Find(ctx, bson.M{"name": bson.M{"$ne": "张惠"}}) //注意这里的格式$ne不相等,$gt大于,$gte大于等于,$in in,$nin no in ,$exists是否包含这个键...
if err != nil {
t.Fatal(err)
}
defer cur.Close(ctx)
for cur.Next(ctx) {
var result Student
if err := cur.Decode(&result); err != nil {
t.Fatal(err)
}
fmt.Println(result, result.ID.String(), result.ID.Timestamp(), result.ID.Timestamp().Local())
}
if err := cur.Err(); err != nil {
t.Fatal(err)
}
}