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Simple and easy go mapper for struct or map to struct, slice or map to slice

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devfeel/mapper

A simple mapper tools for different struct or map to struct

1. Install

go get -u github.com/devfeel/mapper

2. Getting Started

package main

import (
	"fmt"
	"github.com/devfeel/mapper"
)

type (
	User struct {
		Name string
		Age  int
		Id   string `mapper:"_id"`
		AA   string `json:"Score"`
		Time time.Time
	}

	Student struct {
		Name  string
		Age   int
		Id    string `mapper:"_id"`
		Score string
	}

	Teacher struct {
		Name  string
		Age   int
		Id    string `mapper:"_id"`
		Level string
	}
)

func init() {
	mapper.Register(&User{})
	mapper.Register(&Student{})
}

func main() {
	user := &User{}
	userMap := &User{}
	teacher := &Teacher{}
	student := &Student{Name: "test", Age: 10, Id: "testId", Score: "100"}
	valMap := make(map[string]interface{})
	valMap["Name"] = "map"
	valMap["Age"] = 10
	valMap["_id"] = "x1asd"
	valMap["Score"] = 100
	valMap["Time"] = time.Now()

	mapper.Mapper(student, user)
	mapper.AutoMapper(student, teacher)
	mapper.MapperMap(valMap, userMap)

	fmt.Println("student:", student)
	fmt.Println("user:", user)
	fmt.Println("teacher", teacher)
	fmt.Println("userMap:", userMap)
}

执行main,输出:

student: &{test 10 testId 100}
user: &{test 10 testId 100 0001-01-01 00:00:00 +0000 UTC}
teacher &{test 10 testId }
userMap: &{map 10 x1asd 100 2017-11-20 13:45:56.3972504 +0800 CST m=+0.006004001}

Features

  • 支持不同结构体相同名称相同类型字段自动赋值,使用Mapper
  • 支持不同结构体Slice的自动赋值,使用MapperSlice
  • 支持字段为结构体时的自动赋值
  • 支持map到struct的自动映射赋值,使用MapperMap
  • 支持map到struct slice的自动赋值,使用MapperMapSlice
  • 支持map与json的互相转换
  • 支持Time与Unix自动转换
  • 支持tag标签,tag关键字为 mapper
  • 兼容json-tag标签
  • 当tag为"-"时,将忽略tag定义,使用struct field name
  • 无需手动Register struct,内部自动识别

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Simple and easy go mapper for struct or map to struct, slice or map to slice

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