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TA貢獻(xiàn)1812條經(jīng)驗 獲得超5個贊
我按照本教程進(jìn)行了操作,使用此示例代碼,我可以成功創(chuàng)建數(shù)據(jù)庫,集合和文檔。這是我的測試結(jié)果,它能幫到你嗎?
// connects to MongoDB
func connect() *mongo.Client {
mongoDBConnectionString := os.Getenv(mongoDBConnectionStringEnvVarName)
if mongoDBConnectionString == "" {
log.Fatal("missing environment variable: ", mongoDBConnectionStringEnvVarName)
}
database = os.Getenv(mongoDBDatabaseEnvVarName)
if database == "" {
log.Fatal("missing environment variable: ", mongoDBDatabaseEnvVarName)
}
collection = os.Getenv(mongoDBCollectionEnvVarName)
if collection == "" {
log.Fatal("missing environment variable: ", mongoDBCollectionEnvVarName)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
clientOptions := options.Client().ApplyURI(mongoDBConnectionString).SetDirect(true)
c, err := mongo.NewClient(clientOptions)
err = c.Connect(ctx)
if err != nil {
log.Fatalf("unable to initialize connection %v", err)
}
err = c.Ping(ctx, nil)
if err != nil {
log.Fatalf("unable to connect %v", err)
}
return c
}
// creates a todo
func create(desc string) {
c := connect()
ctx := context.Background()
defer c.Disconnect(ctx)
todoCollection := c.Database(database).Collection(collection)
r, err := todoCollection.InsertOne(ctx, Todo{Description: desc, Status: statusPending})
if err != nil {
log.Fatalf("failed to add todo %v", err)
}
fmt.Println("added todo", r.InsertedID)
}
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