smart_canteen_consume/app/customer/svc/svc_auth.go

package svc

import (
	"applet/app/customer/lib/auth"
	"applet/app/db"
	"applet/app/db/model"
	"errors"
	"github.com/gin-gonic/gin"
	"strings"
	"time"
)

func GetUser(c *gin.Context) *model.User {
	user, _ := c.Get("user")
	if user == nil {
		return &model.User{
			Id:       0,
			UserId:   "",
			Nickname: "",
			Avatar:   "",
			Phone:    "",
			Memo:     "",
			CreateAt: time.Now().Format("2006-01-02 15:04:05"),
			UpdateAt: time.Now().Format("2006-01-02 15:04:05"),
		}
	}
	return user.(*model.User)
}

func CheckUser(c *gin.Context) (*model.User, error) {
	token := c.GetHeader("Authorization")
	if token == "" {
		return nil, errors.New("token not exist")
	}
	// 按空格分割
	parts := strings.SplitN(token, " ", 2)
	if !(len(parts) == 2 && parts[0] == "Bearer") {
		return nil, errors.New("token format error")
	}
	// parts[1]是获取到的tokenString，我们使用之前定义好的解析JWT的函数来解析它
	mc, err := auth.ParseToken(parts[1])
	if err != nil {
		return nil, err
	}

	// 获取user
	userDb := db.UserDb{}
	userDb.Set()
	user, err := userDb.GetUser(mc.UserId)
	if err != nil {
		return nil, err
	}
	return user, nil
}