注册请求/响应

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#api/v1/user/user.go
package user

import (
	"gf_study/internal/model/entity"
	"github.com/gogf/gf/v2/frame/g"
)


type RegisterReq struct {
	g.Meta   `path:"/user/register" method:"post" summary:"注册" tags:"User" `
	Username string `v:"required|length:6,16#请输入账号|账号长度为:min到:max位" dc:"用户账号" json:"username"`
	Password string `v:"required|length:6,16#请输入密码|密码长度为:min到:max位" dc:"用户密码" json:"password"`
	Nickname string `v:"required|length:2,10#请输入昵称|昵称长度为:min到:max位" dc:"用户昵称" json:"nickname"`
}

type RegisterRes struct {
	Info *entity.GfUsers
}

注册功能实现

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#internal/controller/v1/v1_user_register.go
package v1

import (
	"golang.org/x/crypto/bcrypt"
	"context"
	"gf_study/internal/dao"
	"gf_study/internal/model/do"
	"gf_study/internal/model/entity"
	"github.com/gogf/gf/v2/errors/gcode"
	"github.com/gogf/gf/v2/errors/gerror"
    "github.com/gogf/gf/v2/os/gtime"
	"gf_study/api/v1/user"
)

func (c *ControllerUser) Register(ctx context.Context, req *user.RegisterReq) (res *user.RegisterRes, err error) {

	// 检查用户是否已存在
	isExist, err := dao.GfUsers.Ctx(ctx).Where("username", req.Username).Exist()
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeDbOperationError, err, "检查用户是否存在失败")
	}
	if isExist {
		return nil, gerror.Newf("用户名 %s 已存在", req.Username)
	}

	// 密码加密处理（实际项目中必须添加）
	encryptedPassword, err := encryptPassword(req.Password)
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeOperationFailed, err, "密码加密失败")
	}

	// 插入新用户
	result, err := dao.GfUsers.Ctx(ctx).Insert(do.GfUsers{
		Username: req.Username,
		Nickname: req.Nickname,
		Password: encryptedPassword, // 使用加密后的密码
	})
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeDbOperationError, err, "用户注册失败")
	}

	// 获取插入的用户ID
	userId, err := result.LastInsertId()
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeDbOperationError, err, "获取用户ID失败")
	}

	// 查询刚创建的用户信息
	userEntity := &entity.GfUsers{
		Id:       uint(userId),
		Username: req.Username,
		Nickname: req.Nickname,
        RegistTime: gtime.Now(),
        LastLoginTime: gtime.Now(),
	}


	// 构建返回结果（注意：不要返回原始密码）
	return &user.RegisterRes{
		Info: userEntity,
	}, nil
}

func encryptPassword(password string) (string, error) {
	// 使用 bcrypt 加密密码
	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
	if err != nil {
		return "", err
	}
	return string(hashedPassword), nil
}


安装bcrypt

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go get golang.org/x/crypto/bcrypt

安装mysql驱动

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$ go get -u github.com/gogf/gf/contrib/drivers/mysql/v2
go: downloading github.com/gogf/gf/contrib/drivers/mysql/v2 v2.9.1
go: added filippo.io/edwards25519 v1.1.0
go: added github.com/go-sql-driver/mysql v1.9.3
go: added github.com/gogf/gf/contrib/drivers/mysql/v2 v2.9.1
go: added github.com/olekukonko/cat v0.0.0-20250817074551-3280053e4e00
go: added github.com/olekukonko/errors v1.1.0
go: added github.com/olekukonko/ll v0.1.0
go: upgraded github.com/olekukonko/tablewriter v0.0.5 => v1.0.9

# main.go

import _ "github.com/gogf/gf/contrib/drivers/mysql/v2"

启动服务

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$ go run main.go
# github.com/gogf/gf/v2/net/ghttp
C:\Users\JT\go\pkg\mod\github.com\gogf\gf\v2@v2.9.1\net\ghttp\ghttp_server.go:300:9: table.SetHeader undefined (type *tablewriter.Table has no field or method SetHeader)
C:\Users\JT\go\pkg\mod\github.com\gogf\gf\v2@v2.9.1\net\ghttp\ghttp_server.go:301:9: table.SetRowLine undefined (type *tablewriter.Table has no field or method SetRowLine)
C:\Users\JT\go\pkg\mod\github.com\gogf\gf\v2@v2.9.1\net\ghttp\ghttp_server.go:302:9: table.SetBorder undefined (type *tablewriter.Table has no field or method SetBorder)
C:\Users\JT\go\pkg\mod\github.com\gogf\gf\v2@v2.9.1\net\ghttp\ghttp_server.go:303:9: table.SetCenterSeparator undefined (type *tablewriter.Table has no field or method SetCenterSeparator)

修复依赖版本问题

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$ go get github.com/olekukonko/[email protected]
go: downgraded github.com/olekukonko/tablewriter v1.0.9 => v0.0.5

测试

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$ go run main.go
2025-08-29T16:32:54.176+08:00 [INFO] swagger ui is serving at address: http://127.0.0.1:8000/swagger/
2025-08-29T16:32:54.176+08:00 [INFO] pid[108732]: http server started listening on [:8000]
2025-08-29T16:32:54.176+08:00 [INFO] openapi specification is serving at address: http://127.0.0.1:8000/api.json

  ADDRESS | METHOD |     ROUTE      |                          HANDLER                           |           MIDDLEWARE
----------|--------|----------------|------------------------------------------------------------|----------------------------------
  :8000   | ALL    | /api.json      | github.com/gogf/gf/v2/net/ghttp.(*Server).openapiSpec      |
----------|--------|----------------|------------------------------------------------------------|----------------------------------
  :8000   | ALL    | /swagger/*     | github.com/gogf/gf/v2/net/ghttp.(*Server).swaggerUI        | HOOK_BEFORE_SERVE
----------|--------|----------------|------------------------------------------------------------|----------------------------------
  :8000   | POST   | /user/login    | gf_study/internal/controller/v1.(*ControllerUser).Login    | ghttp.MiddlewareHandlerResponse
----------|--------|----------------|------------------------------------------------------------|----------------------------------
  :8000   | POST   | /user/register | gf_study/internal/controller/v1.(*ControllerUser).Register | ghttp.MiddlewareHandlerResponse
----------|--------|----------------|------------------------------------------------------------|----------------------------------



# 测试注册
$ curl --location --request POST 'http://127.0.0.1:8000//user/register' \
--header 'User-Agent: Apifox/1.0.0 (https://apifox.com)' \
--header 'Content-Type: application/json' \
--header 'Accept: */*' \
--header 'Host: 127.0.0.1:8000' \
--header 'Connection: keep-alive' \
--data-raw '{
    "username": "cola316",
    "nickname": "闽丽芳",
    "password": "h7qUWLzgo4o1fJd"
}'
#输出
{
    "code": 0,
    "message": "OK",
    "data": {
        "Info": {
            "id": 1,
            "username": "cola316",
            "nickname": "闽丽芳",
            "password": "",
            "status": 0,
            "registTime": null,
            "lastLoginTime": null,
            "openId": ""
        }
    }
}

登录

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#internal/controller/v1/v1_user_login.go
package v1

import (
	"context"

	"github.com/gogf/gf/v2/errors/gcode"
	"github.com/gogf/gf/v2/errors/gerror"

	"gf_study/api/v1/user"
	"gf_study/internal/dao"
	"gf_study/internal/model/do"
	"gf_study/internal/model/entity"
)

func (c *ControllerUser) Login(ctx context.Context, req *user.LoginReq) (res *user.LoginRes, err error) {
	var userData do.GfUsers  // 改变变量名

	//查看用户名是否注册
	err = dao.GfUsers.Ctx(ctx).Where("username", req.Username).Scan(&userData)
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeDbOperationError, err, "用户信息有误或未注册")
	}
	if userData.Id == 0 {
		return nil, gerror.New("用户名未注册")
	}
	//查看密码是否正确
	checkPassword, err := EncryptPassword(req.Password)
	if err != nil {
		return nil, gerror.WrapCode(gcode.CodeInternalError, err, "密码加密失败")
	}
	if userData.Password != checkPassword {
		return nil, gerror.New("密码错误")
	}
	userEntity := &entity.GfUsers{
		Id:       uint(userData.Id.(int)),
		Username: req.Username,
		Nickname: req.Nickname,
	}

	// 构建返回结果（注意：不要返回原始密码）
	return &user.LoginRes{
		Info: userEntity,
	}, nil
}

登录测试

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$ curl --location --request POST "http://127.0.0.1:8000//user/login" ^--header "User-Agent: Apifox/1.0.0 (https://apifox.com)" ^--header "Content-Type: application/json" ^--header "Accept: */*" ^--header "Host: 127.0.0.1:8000" ^--header "Connection: keep-alive" ^--data-raw "{    \"username\": \"cola316\",    \"password\": \"h7qUWLzgo4o1fJd\"}"

{"code":0,"message":"OK","data":{"info":{"id":1,"username":"cola316","nickname":"闽丽芳","password":"","status":0,"registTime":null,"lastLoginTime":null,"openId":""}}}