繁体   English   中英

获取内部结构值

[英]Get inside struct values

在这个例子中 ,我将Sql driver更改为mgo ,我有些困惑。 在这里,我如何访问内部struct值? 喜欢嵌套的结构。

我有两个结构,

作者

type Author struct {
    ID        string `bson:"id"`
    Name      string `bson:"name"`
    Timestamp time.Time
}

文章

type Article struct {
    ID        bson.ObjectId `bson:"_id,omitempty"`
    Title     string        `bson:"title"`
    Content   string        `bson:"content"`
    Author    Author        `bson:"inline"`
    Timestamp time.Time
}

功能

func (m *mgoArticleRepository) FindAll() ([]*models.Article, error) {
    result := make([]*models.Article, 0)
    sessionCopy := m.Conn.Copy()
    defer sessionCopy.Close()
    collection := sessionCopy.DB(DBNAME).C(COLLECTION)
    err := collection.Find(nil).All(&result)
    return result, err
}

产量

作者对象返回空(我在mongoDB中有数据)

[
    {
        "ID":"5b4f27c187a9e40828422cca",
        "Title":"Makan Ayam",
        "Content":"Sample values One",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    },
    {
        "ID":"5b4f27c187a9e40828422ccb",
        "Title":"Makan Ikan",
        "Content":"Sample values Two",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    },
    {
        "ID":"5b4f27c187a9e40828422ccc",
        "Title":"Makan Sayur",
        "Content":"Sample values Three",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    },
    {
        "ID":"5b4f27c187a9e40828422ccd",
        "Title":"Makan Daging",
        "Content":"Sample values Four",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    },
    {
        "ID":"5b4f27c187a9e40828422cce",
        "Title":"Makan Indomie",
        "Content":"Sample values Five",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    },
    {
        "ID":"5b4f27c187a9e40828422ccf",
        "Title":"Makan Soto",
        "Content":"Sample values Six",
        "Author":{
            "ID":"",
            "Name":"",
            "Timestamp":"0001-01-01T00:00:00Z"
        },
        "Timestamp":"0001-01-01T00:00:00Z"
    }
  ]

在这里,我如何建立两个结构的关系? 谢谢。

改变线:

Author Author `bson:"inline"

Author Author `bson:"Author"`

暂无
暂无

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM