很抱歉提出这样一个愚蠢的问题 . 我几天前刚刚学习golang .

我想用GIN Framework构建API服务 . 我用Jinzhu gorm查询mysql数据库 .

问题是,我的查询结果始终为null .

这是我的代码:

模型文件夹:

package models

import "github.com/jinzhu/gorm"

type (
    User struct {
        gorm.Model
        Name    string `json:"name"`
        Phone   string `json:"phone"`
        Address string `json:"address"`
        Age     int    `json:"age"`
        Gender  string `json:"gender"`
    }
)

资源文件夹:

package resources

import (

    // Standard library packages
    "net/http"

    // Third party packages
    "../models"
    "github.com/gin-gonic/gin"
    "github.com/jinzhu/gorm"
)

type (
    UserResource struct {
        db *gorm.DB
    }
)

func NewUserResource(s *gorm.DB) *UserResource {
    return &UserResource{s}
}

func (ur UserResource) Index(c *gin.Context) {
    var users []models.User

    ur.db.Find(&users)
    if len(users) <= 0 {
        c.JSON(http.StatusNotFound, gin.H{"status": http.StatusNotFound, "error": "not found"})
        return
    }

    c.JSON(http.StatusOK, gin.H{"status": http.StatusOK, "data": users})
}

最后是控制器文件夹:

package controllers

import (
    "../resources"
    "github.com/gin-gonic/gin"
    "github.com/jinzhu/gorm"
    _ "github.com/jinzhu/gorm/dialects/mysql"
)

type UserService struct {
}

func Database() *gorm.DB {
    //open a db connection
    db, err := gorm.Open("mysql", "root:root@/insp?charset=utf8&parseTime=True&loc=Local")
    if err != nil {
        panic("failed to connect database")
    }

    return db
}

func (s *UserService) Run() {
    // Instantiate a new router
    router := gin.Default()
    v1 := router.Group("/api/v1/users")
    {
        db := Database()
        us := resources.NewUserResource(db)
        v1.GET("/", us.Index)
    }
    router.Run(":9090")
}

每次我点击 endpoints 获取用户列表时,结果总是返回未找到的用户 .

但是当我更改为Raw查询时,它运行良好

ur.db.Raw("SELECT * FROM users").Scan(&users)

我已经尝试阅读GORM文档了 .

谁知道怎么修它?

谢谢你的建议