管理员登录解析

控制器文件：admins/controllers/login.go

package controllers

import (
    "github.com/gin-gonic/gin"
    "github.com/gorilla/sessions"
    "goadmin/common"
    "goadmin/modes"
    "net/http"
    "os"
    "strconv"
)
//定义一个LoginForm 用于接收登录的请求参数，并定义验证规则
type LoginForm struct {
    UserName string `form:"username" binding:"required,alphanum,min=6,max=20"`
    Passwd string `form:"passwd" bindding:"required,alphanum,min=6,max=20"`
    Captcha   string `form:"captcha" binding:"required,capt"`
    CaptchaId string `form:"captcha_id" bingding:"required"`
    Online string `form:"online"`
}
//定义session的存储方式
var store = sessions.NewCookieStore([]byte(os.Getenv("SESSION_KEY")))

//登录页面
func AdminLogin(c *gin.Context)  {
    //显示登录模板
    c.HTML(http.StatusOK,"login/index.html",nil)
}

//登录请求处理
func AdminLoginAction(c *gin.Context)  {

    var u LoginForm
    err := c.ShouldBind(&u)
    if err != nil {
        // 401 验证码错误
        c.JSON(http.StatusOK, gin.H{ "code": 401, "msg":  err.Error(),})
        return
    }
    //验证账号密码
    res := modes.AdminLogin(u.UserName,u.Passwd,c)
    if res.Status != true {
        c.JSON(http.StatusOK, gin.H{ "code": 402, "msg":  res.Msg,})
        return
    }
    //类型断言，将接口转换为 admins类型
    admins,_ := (res.Data).(modes.Admins)

    //session过期时间为2小时
    common.SetSession("admin_uid",strconv.Itoa(admins.AdminUid),c)
    common.SetSession("admin_auth",common.MyMd5(strconv.Itoa(admins.AdminUid)+admins.AdminUname),c)

    if u.Online == "1" {
        //保持登录状态1周 记录session 和cookie
        common.SetCookie("admin_uid",strconv.Itoa(admins.AdminUid),c)
        common.SetCookie("admin_auth",""+common.MyMd5(strconv.Itoa(admins.AdminUid)+admins.AdminUname),c)
    }

    c.JSON(http.StatusOK, gin.H{
        "code": 0,
        "msg":  "success",
    })
    return
}

//无路由
func AdminError(c *gin.Context)  {
    //显示登录模板
    c.HTML(http.StatusOK,"login/404.html",nil)
}

模型文件：modes/adminsModel.go

 

var DB = common.DB
//管理员
type Admins struct {
    AdminUid int `form:"admin_uid"`
    AdminUname string `form:"admin_uname"`
    AdminPasswd string `form:"admin_passwd"`
    AdminTruename string `form:"admin_truename"`
    AdminDept string `form:"admin_dept"`
    Lastlogin string `form:"last_login"`
    Logincount int `form:"logincount"`
    IsAdmin int `form:"is_admin"`
    AdminStatus int `form:"admin_status"`
    AdminRemark string `form:"admin_remark"`
    AddDatetime string `form:"add_datetime"`
}
//管理员登录
func AdminLogin(name string,pass string,c *gin.Context) (common.ReData) {
    admin := Admins{}
    pass = common.MyMd5(pass)
//验证账号，和密码是否正确    
res := DB.Table("admins").Where("admin_uname=?",name).Where("admin_passwd=?",pass).
        Find(&admin)

    if res.Error != nil {
        return common.ReData{false,res.Error.Error(),&admin,}
    }
    //查询结果失败
    if admin.AdminUid == 0 {
        return common.ReData{false,"账号或密码输入错误",admin,}
    }

    lastlogin:=time.Now().Format(common.TimeTem)
    //更新登录次数，和最后登录时间
    upres := DB.Model(&admin).Where("admin_uid=?",admin.AdminUid).
        Updates(Admins{Lastlogin: lastlogin,Logincount:admin.Logincount+1})

    if upres.Error != nil {
        return common.ReData{false,res.Error.Error(),admin,}
    }
    //写入日志
    AddAdminLog(admin.AdminUid,c)
    return common.ReData{true,"登录成功",admin,}
}
//写入管理员日志
func AddAdminLog(admin_uid int,c *gin.Context) bool {
    var  url string
    var params_str string
    //记录日志
    if(strings.Contains(c.Request.RequestURI,"?")){
        spurl := strings.Split(c.Request.RequestURI,"?")
        url = spurl[0]
    }else{
        url = c.Request.RequestURI
    }

    if (c.Request.Method == "POST") {

        if err := c.Request.ParseMultipartForm(32 << 20); err != nil {
            if !errors.Is(err, http.ErrNotMultipart) {
                fmt.Println(nil, err)
            }
        }

        var postMap = make(map[string]any, len(c.Request.PostForm))
        for k, v := range c.Request.PostForm {
            if len(v) > 1 {
                postMap[k] = v
            } else if len(v) == 1 {
                postMap[k] = v[0]
            }
        }
        //密码，加密存储
        if url == "/admin/dologin" {
            postMap["passwd"]  = common.MyMd5(postMap["passwd"].(string))
        }

        dataType , _ := json.Marshal(postMap)
        params_str = string(dataType)

    }else{
        query := c.Request.URL.Query()
        var queryMap = make(map[string]any, len(query))
        for k := range query {
            queryMap[k] = c.Query(k)
        }
        dataType1 , _ := json.Marshal(queryMap)
        params_str = string(dataType1)
    }

    admins_log := AdminsLog{
        AdminUid: admin_uid,
        RequestUrl: url,
        RequestMethod: c.Request.Method,
        RequestParams: params_str,
        IpAddr: c.Request.RemoteAddr,
        AddDatetime: time.Now().Format(common.TimeTem),
    }
    res := DB.Model(AdminsLog{}).Create(&admins_log)

    if res.RowsAffected == 1{
        return true
    }
    return false
}

 

 

模板文件：views/admins/login/index.html

{{define "login/index.html"}}
 <div id="loginform" class="loginBox">
        <form class="form form-horizontal" action="#" method="post">
            <div class="row cl">
                <label class="form-label col-xs-3"><i class="Hui-iconfont">&#xe60d;</i></label>
                <div class="formControls col-xs-8">
                    <input id="username" name="username" type="text" placeholder="账户" class="input-text size-L">
                </div>
            </div>
            <div class="row cl">
                <label class="form-label col-xs-3"><i class="Hui-iconfont">&#xe60e;</i></label>
                <div class="formControls col-xs-8">
                    <input id="passwd" name="passwd" type="password" placeholder="密码" class="input-text size-L">
                </div>
            </div>
            <div class="row cl">
                <div class="formControls col-xs-8 col-xs-offset-3">
                    <input name="captcha" id="captcha" class="input-text size-L" type="text" placeholder="验证码" onblur="if(this.value==''){this.value='验证码:'}" onclick="if(this.value=='验证码:'){this.value='';}" value="验证码:" style="width:150px;">
                    <img id="captcha_img" src="/admin/getCaptcha" onclick="showCaptcha()" style="width: 120px">
                    <input type="hidden" name="captcha_id" id="captcha_id" />
                    <a id="kanbuq" href="javascript:showCaptcha();">看不清，换一张</a>
                </div>
            </div>
            <div class="row cl">
                <div class="formControls col-xs-8 col-xs-offset-3">
                    <label for="online">
                        <input type="checkbox" name="online" id="online" value="0">
                        使我保持登录状态</label>
                </div>
            </div>
            <div class="row cl">
                <div class="formControls col-xs-8 col-xs-offset-3">
                    <input name="sub" id="sub" type="button" class="btn btn-success radius size-L" value="&nbsp;登&nbsp;&nbsp;&nbsp;&nbsp;录&nbsp;">
                </div>
            </div>
        </form>
    </div>

<script type="text/javascript" src="/static/h-ui.lib/jquery/1.9.1/jquery.min.js"></script>
<script>

    //提交数据进行登录
    $("#sub").click(function (){
        u = $("#username").val()
        p = $("#passwd").val()
        o = $("#online").prop("checked")==true?1:0
        ca= $("#captcha").val()
        caid = $("#captcha_id").val()

        $.post("/admin/dologin",{username:u,passwd:p,online:o,captcha:ca,captcha_id:caid},function (res){
            if (res.code == "401"){
                $("body").Huimodalalert({content: '验证码输入错误', speed: 2000  })
                showCaptcha()
            }else if (res.code == "0"){
                window.location = "/admin/index"
            }else{
                $("body").Huimodalalert({content: res.msg, speed: 2000  })
                showCaptcha()
            }
        },'json')

    })
    //显示验证码
    function showCaptcha(){
        $.get("/admin/getCaptcha",function (res){
            $("#captcha_img").attr("src",res.data)
            $("#captcha_id").val(res.captchaId)

        })
    }
    showCaptcha()
</script>
{{end}}

 

 

至此 管理员登录已完成了。

完结