baize-demo/assign_tag/main.go

package main

import (
	"fmt"
	"git.sxidc.com/go-framework/baize/framework/core/tag/assign"
	"reflect"
	"time"
)

type JsonBodyID struct {
	ID string `assign:"toField:Id"`
}

type UpdateClassJsonBody struct {
	JsonBodyID
	Name        string `assign:"toField:Name"`
	CreatedTime *time.Time
	UpdatedTime *time.Time
}

type DomainID struct {
	Id string
}

type ClassDomain struct {
	*DomainID
	Name        string
	CreatedTime *time.Time
}

func main() {
	class := new(ClassDomain)

	err := assign.UseTag(&UpdateClassJsonBody{}, class,
		func(fromFieldName string, fromFieldElemValue reflect.Value, retFieldElementValue reflect.Value, assignTag *assign.Tag) error {
			fmt.Println("Field Name:", fromFieldName)
			fmt.Println("Type:", fromFieldElemValue.Type().String())
			if fromFieldElemValue.Kind() == reflect.String {
				fmt.Printf("\"%+v\"\n", fromFieldElemValue.Interface())
			} else {
				fmt.Printf("%+v\n", fromFieldElemValue.Interface())
			}
			fmt.Printf("%+v\n", assignTag)
			fmt.Println()

			return nil
		})
	if err != nil {
		panic(err)
	}
}