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devfeel/mapper

Version 0.7.14

  • Feature: Implement variable arguments based on NewMapper for flexible configuration settings when you init mapper.
  • Feature: Add Setting struct used to Config mapper
  • you can use like this:
  // Default Setting:
  // EnabledTypeChecking:      false,
  // EnabledMapperStructField: true,
  // EnabledAutoTypeConvert:   true,
  // EnabledMapperTag:         true,
  // EnabledJsonTag:           true,
  // EnabledCustomTag:         false,
  // EnableFieldIgnoreTag:     false,
  
  /// When you use default setting
  NewMapper()
  
  /// When you will change some setting
  NewMapper(CTypeChecking(true), CCustomTagName("-"))
  • 2024-09-06 19:00 in ShangHai

Version 0.7.13

  • Feature: Added the "composite-field" tag to continue expanding and searching for corresponding field mappings when encountering composite fields in a Struct. Currently, only one level of expansion is supported.
  • Tips: Thanks to @naeemaei for issue #39
  • For my birthday!
  • you can use like this:
  // Base model
  type BaseModel struct {
      Id    int `json:"id"`
  }
  
  // Country model
  type Country struct {
      BaseModel `json:"composite-field"`
      Name      string `json:"name"`
  }
  • 2023-04-15 19:00 in ShangHai

Version 0.7.12

  • Refactor: Solve the problem of repeated function implementation, rewrite "mapperObject.Getfieldname" direct call "mapperObject.getFieldName".
  • Refactor: Rewrite mapperObject.cleanRegisterValue, it will be reset registerMap & fieldNameMap.
  • 2022-07-06 14:00 in ShangHai

Version 0.7.11

  • BugFix: Fix the problem that getFieldName cannot take effect when the tag behavior is set dynamically.
  • Feature: Add SetEnabledCustomTag\SetCustomTagName to support custom tags, except mapper tag and json tag, for issue #34
  • Tips: EnabledCustomTag default value is false.
  • you can use like this:
    mapper.SetCustomTagName("form")
 	mapper.SetEnabledCustomTag(true)
  • 2022-07-04 18:00 in ShangHai

Version 0.7.10

  • BugFix: remove go mod file.
  • 2022-04-20 20:00 in ShangHai

Version 0.7.9

  • Feature: add feature flag for ignore tag.
  • Tips: about "-" we keep default behavior as previous version by default, which is use field name as key when mapping structure.
  • Tips: now you can use SetEnableFieldIgnoreTag function to enable this flag right now
  • 2022-04-17 21:00 in ShangHai

Version 0.7.8

  • Refactor: use mapperObject refactored the static version implementation.
  • 2022-04-16 10:00 in ShangHai

Version 0.7.7

  • Feature: add Object-oriented interface for the mapper.
  • comment: the old version implementation will be refactored in next release.
  • Tips: Thanks to @shyandsy
  • About the new feature::
 package main

import (
	"fmt"
	"time"

	"github.com/devfeel/mapper"
)
type (
	User struct {
		Name     string `json:"name" mapper:"name"`
		Age      int    `json:"age" mapper:"age"`
	}

	Student struct {
		Name  string `json:"name" mapper:"name"`
		Age   int    `json:"age" mapper:"-"`
	}
)

func main() {
	user := &User{Name: "test", Age: 10}
	student := &Student{}

	// create mapper object
	m := mapper.NewMapper()

	// enable the type checking
	m.SetEnabledTypeChecking(true)

	student.Age = 1

	// disable the json tag
	m.SetEnabledJsonTag(false)

	// student::age should be 1
	m.Mapper(user, student)

	fmt.Println(student)
}
  • 2022-04-15 23:00 in ShangHai

Version 0.7.6

  • Feature: add SetEnabledMapperTag to set enabled flag for 'Mapper' tag check
  • Feature: add SetEnabledJsonTag to set enabled flag for 'Json' tag check
  • Ops: add some test cases
  • Tips: Thanks to @aeramu for issue #12
  • 2021-10-19 12:00 in ShangHai

Version 0.7.5

  • Feature: Support for *[] to *[] with MapperSlice
  • Ops: Definitive error messages
  • Tips: Merge pull request #9 from MrWormHole/master, Thanks to @MrWormHole
  • 2021-01-26 12:00 in ShangHai

Version 0.7.4

  • Feature: AutoMapper&Mapper support mapper struct to map[string]interface{}
  • Refactor: set MapperMapSlice to Deprecated, will remove on v1.0
  • About AutoMapper:: 
    func Test_AutoMapper_StructToMap(t *testing.T) {
	from := &FromStruct{Name: "From", Sex: true, AA: "AA"}
	to := make(map[string]interface{})
	err := AutoMapper(from, &to)
	if err != nil {
		t.Error("RunResult error: mapper error", err)
	} else {
		if to["UserName"] == "From"{
			t.Log("RunResult success:", to)
		}else{
			t.Error("RunResult failed: map[UserName]", to["UserName"])
		}
	}
}
  • 2020-06-07 16:00 in ShangHai

Version 0.7.3

  • Feature: add MapToSlice to mapper from map[string]interface{} to a slice of any type's ptr
  • Refactor: set MapperMapSlice to Deprecated, will remove on v1.0
  • About MapToSlice:: 
    func Test_MapToSlice(t *testing.T) {
	var toSlice []*testStruct
	/*fromMaps := make(map[string]interface{})
	for i := 0; i < 10; i++ {
		from := new(testStruct)
		from.Name = "s" + strconv.Itoa(i)
		from.Sex = true
		from.Age = i
		fromMaps[strconv.Itoa(i)] = from
	}*/
	fromMaps := make(map[string]interface{})
	for i := 0; i < 10; i++ {
		fromMap := make(map[string]interface{})
		fromMap["Name"] = "s" + strconv.Itoa(i)
		fromMap["Sex"] = true
		fromMap["Age"] = i
		fromMaps[strconv.Itoa(i)] = fromMap
	}
	err := MapToSlice(fromMaps, &toSlice)
	if err != nil {
		t.Error(err)
	} else {
		t.Log(toSlice, len(toSlice))
	}
}
  • 2020-05-02 16:00 in ChangZhou

Version 0.7.2

  • New Feature: MapperSlice support ptr and struct
  • New Feature: MapperMapSlice support ptr and struct
  • Detail:
    • now support two slice's element type is ptr or struct in MapperSlice
    • now support slice's element type is ptr or struct in MapperMapSlice
    • About MapperMapSlice:
    //view test code in mapper_test.go:Test_MapperSlice\Test_MapperStructSlice
    //type ptr
    var toSlice []*testStruct
    //type struct
    var toSlice []testStruct
  • About MapperSlice:
    //view test code in mapper_test.go:Test_MapperMapSlice\Test_MapperStructMapSlice
    //type ptr
    var fromSlice []*FromStruct
 	var toSlice []*ToStruct
    //type struct
    var fromSlice []FromStruct
    var toSlice []ToStruct
  • 2019-11-03 16:00 in ShangHai

Version 0.7.1

  • New Feature: Add TypeWrapper used to register custom Type Checker
  • New Feature: Add UseWrapper used to add your TypeWrapper
  • Update: remove isTimeField, add TimeWrapper
  • Detail:
    • now only support IsType used to check type
  • 2019-02-03 16:00

Version 0.7

  • New Feature: Add TimeToUnix\UnixToTime\TimeToUnixLocation\UnixToTimeLocation used to transform Time and Unix
  • New Feature: Add SetEnabledAutoTypeConvert used to set whether or not auto do type convert when field is Time and Unix
  • Detail:
    • if set enabled, field will auto convert in Time and Unix
    • it will effective when fromField is time.Time and toField is int64
    • it will effective when fromField is int64 and toField is time.Time
    • it will effective when you use Mapper or MapperMap
    • default is enabled
  • Example:
    type ProductBasic struct {
        ProductId    int64
        CreateTime   time.Time
    }
    type ProductGetResponse struct {
        ProductId    int64
        CreateTime   int64
    }

    from := &ProductBasic{
        ProductId:    10001,
        CreateTime:   time.Now(),
    }
    to := &ProductGetResponse{}
    mapper.Mapper(from, to)
    fmt.println(to)
  • Update: Added type support when use MapperMap
  • 2019-01-09 12:00

Version 0.6.5

  • New Feature: Add MapToJson to mapper from map[string]interface{} to json []byte
  • New Feature: Add JsonToMap mapper from json []byte to map[string]interface{}
  • Example:
    // MapToJson
    fromMap := make(map[string]interface{})
    fromMap["Name"] = "test"
    fromMap["Sex"] = true
    fromMap["Age"] = 10
    data, err := MapToJson(fromMap)
    fmt.println(data, err)

    // JsonToMap
    var retMap map[string]interface{}
    err := JsonToMap(data, &retMap)
    fmt.println(retMap, err)
  • 2019-01-04 16:00

Version 0.6.4

  • New Feature: Add auto mapper reflect.Struct field, fixed for #3
  • New Feature: Add mapper.SetEnabledMapperStructField used to set enabled flag for MapperStructField
  • Detail:
    • if set true, the reflect.Struct field will auto mapper
    • fromField and toField type must be reflect.Struct and not time.Time
    • fromField and toField must be not same type
    • default is enabled
  • Example:
type ItemStruct1 struct {
	ProductId int64
}
type ItemStruct2 struct {
	ProductId int64
}
type ProductBasic struct {
	ProductId    int64
	ProductTitle string
	Item         ItemStruct1
	CreateTime   time.Time
}
type ProductGetResponse struct {
	ProductId    int64
	ProductTitle string
	Item         ItemStruct2
	CreateTime   time.Time
}

func main() {
	from := &ProductBasic{
		ProductId:    10001,
		ProductTitle: "Test Product",
		Item:         ItemStruct1{ProductId: 20},
		CreateTime:   time.Now(),
	}
	to := &ProductGetResponse{}
	mapper.AutoMapper(from, to)
	fmt.Println(to)
}
  • Add Demo: example/structfield
  • 2018-11-29 08:00

Version 0.6.3

  • 新增当json标签含有omitempty时，忽略多余信息，自动获取第一位tag信息，感谢 #2 from @zhangmingfeng
  • 完善示例 example/main
  • 2018-07-16 08:00

Version 0.6.2

  • 新增jsontime文件，用于处理需要定制Time字段json序列化格式场景
  • 2018-04-09 16:00

Version 0.6.1

  • 新增reflectx包，增加部分便捷函数
  • 2018-03-20 12:00

Version 0.6

  • 新增MapperSlice\MapperMapSlice函数，用于处理切片类转换
  • MapperSlice: 将StructA类型的Slice转换为StructB类型的Slice,具体使用代码可参考Test_MapperSlice
  • MapperMapSlice: 将map[string]map[string]interface{}转换为*Struct类型的Slice,具体使用代码可参考Test_MapperMapSlice
  • 新增PackageVersion函数，用于输出当前包版本信息
  • 调整：Mapper调整为自动Register类型，无需单独Register类型代码
  • 更新mapper\mapper_test.go
  • 2018-03-07 13:00

Version 0.5

  • 新增SetEnabledTypeChecking函数，用于设置是否启用字段类型一致性检查，默认为不启用
  • 如果SetEnabledTypeChecking = true,则在Mapper\AutoMapper时，将对两个类型的同名字段进行类型一致性检查，如果不一致自动忽略赋值
  • 更新mapper\mapper_test.go
  • 更新 example/main
  • 2017-11-24 11:00

Version 0.4

  • 新增MapperMap接口，该接口支持map到struct的自动映射
  • MapperMap支持自动注册struct
  • 目前支持自动映射类型：
  • reflect.Bool
  • reflect.String
  • reflect.Int8\16\32\64
  • reflect.Uint8\16\32\64
  • reflect.Float32\64
  • time.Time：支持原生time\string[]byte
  • 更新 example/main
  • 2017-11-17 09:00

Version 0.3

  • 新增AutoMapper接口，使用该接口无需提前Register类型
  • 特别的，使用该接口性能会比使用Mapper下降20%
  • 更新 example/main
  • 2017-11-15 10:00

Version 0.2

  • 新增兼容Json-tag标签
  • 识别顺序：私有Tag > json tag > field name
  • 当tag为"-"时，将忽略tag定义，使用struct field name
  • 2017-11-15 10:00

Version 0.1

  • 初始版本
  • 支持不同结构体相同名称相同类型字段自动赋值
  • 支持tag标签，tag关键字为 mapper
  • 2017-11-14 21:00