package main import ( "Open_IM/pkg/common/config" mongo2 "Open_IM/test/mongo" "context" "flag" "fmt" "go.mongodb.org/mongo-driver/mongo" "go.mongodb.org/mongo-driver/mongo/options" ) func init() { uri := "mongodb://sample.host:27017/?maxPoolSize=20&w=majority" if config.Config.Mongo.DBUri != "" { // example: mongodb://$user:$password@mongo1.mongo:27017,mongo2.mongo:27017,mongo3.mongo:27017/$DBDatabase/?replicaSet=rs0&readPreference=secondary&authSource=admin&maxPoolSize=$DBMaxPoolSize uri = config.Config.Mongo.DBUri } else { if config.Config.Mongo.DBPassword != "" && config.Config.Mongo.DBUserName != "" { uri = fmt.Sprintf("mongodb://%s:%s@%s/%s?maxPoolSize=%d", config.Config.Mongo.DBUserName, config.Config.Mongo.DBPassword, config.Config.Mongo.DBAddress[0], config.Config.Mongo.DBDatabase, config.Config.Mongo.DBMaxPoolSize) } else { uri = fmt.Sprintf("mongodb://%s/%s/?maxPoolSize=%d", config.Config.Mongo.DBAddress[0], config.Config.Mongo.DBDatabase, config.Config.Mongo.DBMaxPoolSize) } } var err error mongo2.Client, err = mongo.Connect(context.TODO(), options.Client().ApplyURI(uri)) if err != nil { panic(err) } err = mongo2.Client.Ping(context.TODO(), nil) if err != nil { panic(err) } fmt.Println("Connected to MongoDB!") } func main() { userID := flag.String("userID", "", "userID") flag.Parse() fmt.Println("userID:", *userID) mongo2.GetUserAllChat(*userID) }