写了个go结构体映射工具

go

package main

import (
	"github.com/yowayimono/mapper/mapper"
	"reflect"
	"testing"
)

type SourceStruct struct {
	Username string
	Password string
	Phone    string
}

type TargetStruct struct {
	Username string
	Password string
	Phone    string
}

type NestedStruct struct {
	Field1 string
	Field2 int
}

type SourceStructWithNested struct {
	Username string
	Password string
	Phone    string
	Nested   NestedStruct
}

type TargetStructWithNested struct {
	Username string
	Password string

	Nested NestedStruct
}

func TestMapFields(t *testing.T) {
	source := SourceStructWithNested{
		Username: "john",
		Password: "password123",
		Phone:    "1234567890",
		Nested: NestedStruct{
			Field1: "1234",
			Field2: 18,
		},
	}

	target := TargetStructWithNested{}

	mapper.Maps(&source, &target)

	expected := TargetStructWithNested{
		Username: "john",
		Password: "password123",
		Nested: NestedStruct{
			Field1: "1234",
			Field2: 18,
		},
	}

	if !reflect.DeepEqual(target, expected) {
		t.Errorf("MapFields did not map the fields correctly. Expected: %v, got: %v", expected, target)
	}
}

支持嵌套映射结构体，支持标签

go
package main

import (
	"github.com/yowayimono/mapper/mapper"
	"reflect"
	"testing"
)

type Source struct {
	ID   int
	Name string
}

type Target struct {
	IDY int `mapper:"ID"`
}

func TestMap(t *testing.T) {
	source := &Source{
		ID:   1,
		Name: "John Doe",
	}

	target := &Target{}

	mapper.Map(source, target)

	expected := Target{
		IDY: 1,
	}

	if !reflect.DeepEqual(*target, expected) {
		t.Errorf("Mapping failed. Expected %+v, got %+v", expected, *target)
	}
}

标签映射还不支持嵌套