使用 ozzo 进行嵌套结构验证不会调用嵌入结构的验证方法

我正在使用 "github.com/go-ozzo/ozzo-validation/v4"。 这些是我的结构：

type mystruct struct {
    uuid          string `json:"uuid"`
    firstuuid     string `json:"first_uuid"`
    seconduuid    string `json:"second_uuid"`
    thirduuid     string `json:"third_uuid"`
    phonenumber   string `json:"phone_number"`
    email         string `json:"email"`
    skypeid       string `json:"skype_id"`
}

type myotherstruct struct {
    mystruct
    city          string `json:"city"`
    comment       string `json:"comment"`
    personnelid   string `json:"personnel_id"`
    firstdate     string `json:"first_date"`
    seconddate    string `json:"second_date"`
    firstboolean  bool   `json:"first_boolean"`
    secondboolean bool   `json:"second_boolean"`
}

这些是验证方法：

func (m mystruct) validate() error {
    fmt.println("calling mystruct validator")

    err := validation.validatestruct(
        validation.field(&uui.uuid, is.uuid),
        validation.field(&uui.firstuuid, validation.required, is.uuid),
        validation.field(&uui.seconduuid, validation.required, is.uuid),
        validation.field(&uui.thirduuid, validation.required, is.uuid),
        validation.field(&uui.email, validation.required, is.email),
        validation.field(&uui.phonenumber, validation.required, validation.match(mobileregexp)),
        validation.field(&uui.skypeid, validation.required),
    )

    return err
}

func (m myotherstruct) validate() error {
    fmt.println("calling myotherstruct validator")

    err := validation.validatestruct(
        validation.field(&uui.personnelid, validation.match(personnelidregexp)),
        validation.field(&uui.city, validation.required),
        validation.field(&uui.comment),
        validation.field(&uui.firstdate, validation.date(time.dateonly)),
        validation.field(&uui.seconddate, validation.date(time.dateonly)),
    )

    return err
}

这是我发送的请求：

{
    "uuid": "1e57ef49-352f-4545-a43a-b51cad6c5a0a",
    "phone_number": "09124567891",
    "email": "[email protected]",
    "skype_id": "some_skype_id",
    "city": "a city",
    "personnel_id": "",
    "comment": "no comment for now!",
    "first_date": "",
    "second_date": "",
    "first_uuid": "94038913-2bdb-4dde-99fb-640a24e1c003",
    "second_uuid": "7fa0e242-841b-4de0-a3ce-e2b54ecd1bca",
    "third_uuid": "35ab6711-852e-42c8-aab3-dfb901a845f5",
    "first_boolean": true,
    "second_boolean": false
}

我希望针对此问题调用 func (m mystruct) validate()，但我没有收到日志 calling myotherstruct validator。

正确答案

问题中的源代码与ozzo 验证 v4 返回在结构中找不到字段 #0。除此之外，您应该将以下代码添加到 (myotherstruct).validate：

validation.field(&m.mystruct),

尝试这个演示（https://go.dev/play/p/cgyjq4wzemi ）：

package main

import (
    "fmt"

    validation "github.com/go-ozzo/ozzo-validation/v4"
    "github.com/go-ozzo/ozzo-validation/v4/is"
)

type MyStruct struct {
    UUID  string `json:"uuid"`
    Email string `json:"email"`
}

func (m MyStruct) Validate() error {
    fmt.Println("calling MyStruct validator")

    err := validation.ValidateStruct(
        &m,
        validation.Field(&m.UUID, is.UUID),
        validation.Field(&m.Email, validation.Required, is.Email),
    )

    return err
}

type MyOtherStruct struct {
    MyStruct
    City string `json:"city"`
}

func (m MyOtherStruct) Validate() error {
    fmt.Println("calling MyOtherStruct validator")

    err := validation.ValidateStruct(
        &m,
        validation.Field(&m.City, validation.Required),
        // The following line is necessary to make (MyStruct).Validate being called.
        validation.Field(&m.MyStruct),
    )

    return err
}

func main() {
    data := MyOtherStruct{}
    fmt.Printf("validation error: %vn", data.Validate())
}

请注意，如果您调用 (mystruct).validate，则 (myotherstruct).validate 不会被调用，因为前者对 myotherstruct 一无所知。