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[实战]MVC5+EF6+MySql企业网盘实战(6)——ajax方式登录

2015-10-22 08:57 676 查看

写在前面

今天回来的比较早，就趁着有空，把登录的代码更新一下。上篇文章实现了ajax的注册，这篇将实现登录，实现目标，ajax登录方式，如果勾选记住我，则下次不再输入用户名密码，直接跳转到网盘界面。

系列文章

代码

@{
Layout = null;
}

<!DOCTYPE html>

<html>
<head>
<meta name="viewport" content="width=device-width" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="企业,网盘,企业网盘">
<meta name="author" content="Muhammad Usman">
<title>登录</title>
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<link href="~/Content/Css/bootstrap-cerulean.min.css" rel="stylesheet" />
<link href="~/Content/Css/charisma-app.css" rel="stylesheet" />
<link href="~/Content/Css/jquery.noty.css" rel="stylesheet" />

<link href="~/Content/Css/elfinder.min.css" rel="stylesheet" />
<link href="~/Content/Css/elfinder.theme.css" rel="stylesheet" />

<link href="~/Content/Css/jquery.iphone.toggle.css" rel="stylesheet" />
<link href="~/Content/Css/animate.min.css" rel="stylesheet" />
<script>
$(function () {
//多选框
$("#chkRemember").click(function () {
if (!$(this).attr("checked")) {
$(this).attr("checked", 'checked');
} else {
$(this).removeAttr("checked");
};
});
//为登录按钮注册单击事件
$('#btnLogin').click(function () {

$.ajax({
type: "post",
url: "/UserInfo/Login",
data: { userName: $("#txtUserName").val(), pwd: $("#txtPwd").val(), remember: $("#chkRemember").attr('checked') },
dataType: "json",
success: function (data) {
console.log(data);
data = JSON.parse(data);
if (data.code == 200) {

} else {
$("#loginMsg").html("<span style='color:red;'>"+data.msg+"</span>");
};

}, error: function (msg) {
alert(data);
}
});
});
});
</script>
</head>
<body>
<div class="row">

<div class="row">
<div class="col-md-12 center login-header">
<h2>欢迎使用 Wolfy企业网盘</h2>
</div>
<!--/span-->
</div><!--/row-->
<div class="container">
<div class="row">
<div class="well col-md-5 center login-box">
<div class="alert alert-info" id="loginMsg">
请使用用户名和密码登录
</div>

<fieldset>
<div class="input-group input-group-lg">
<span class="input-group-addon"><i class="glyphicon glyphicon-user red"></i></span>
<input type="text" class="form-control" id="txtUserName" placeholder="用户名">
</div>
<div class="clearfix"></div><br>

<div class="input-group input-group-lg">
<span class="input-group-addon"><i class="glyphicon glyphicon-lock red"></i></span>
<input type="password" class="form-control" id="txtPwd" placeholder="密码">
</div>
<div class="clearfix"></div>

<div class="input-prepend">
<label class="remember" for="chkRemember"><input type="checkbox" name="chkRemember" id="chkRemember" value="1" /> 记住我</label>
</div>
<div class="clearfix"></div>

<p class="center col-md-5">
<button type="button" class="btn btn-primary" id="btnLogin">登录</button>
</p><a href="/UserInfo/Register" class="right" style="float:right;">注册</a>
</fieldset>

</div>
<!--/span-->
</div><!--/row-->
</div><!--/fluid-row-->
</div>
</body>
</html>

[HttpGet]
public ActionResult Login()
{
UserInfo userInfo = null;
if (Request.Cookies["n"] != null && Request.Cookies["p"] != null)
{
string userName = Request.Cookies["n"].Value;
string pwd = Request.Cookies["p"].Value;
userInfo = _userInfoServiceRepository.Find(x => x.UserName == userName && x.Pwd == pwd);
if (userInfo!=null)
{
if (Session["user"] == null)
{
Session["user"] = userInfo;
}
//更新最后一次登录时间
userInfo.LoginDt = DateTime.Now;
_userInfoServiceRepository.Update(userInfo);
_userInfoServiceRepository.SaveChanges();
}

}
return View();
}
/// <summary>
/// 登录
/// </summary>
/// <param name="userName"></param>
/// <param name="code"></param>
/// <returns></returns>
[HttpPost]
public JsonResult Login(string userName, string pwd, string remember)
{
if (!_userInfoServiceRepository.Exist(userName))
{
return new JsonResult() { Data = "{\"code\":500,\"msg\":\"用户名不存在\"}" };
}
if (!string.IsNullOrEmpty(pwd))
{
pwd = MD5Helper.GetMD5FromString(pwd);
}
else
{
return new JsonResult() { Data = "{\"code\":500,\"msg\":\"密码不能为空\"}" };
}
UserInfo userInfo = _userInfoServiceRepository.Find(x => x.UserName == userName && x.Pwd == pwd);
if (userInfo == null)
{
return new JsonResult() { Data = "{\"code\":500,\"msg\":\"用户名和密码不匹配\"}" };
}
if (!string.IsNullOrEmpty(remember) && remember.Equals("checked"))
{
HttpCookie nameCookie = new HttpCookie("n", userName);
nameCookie.Expires = DateTime.Now.AddDays(7);
//将md5串写入cookie，或者再次进行AES加密写入
HttpCookie pwdCookie = new HttpCookie("p", pwd);
pwdCookie.Expires = DateTime.Now.AddDays(7);
Response.Cookies.Add(nameCookie);
Response.Cookies.Add(pwdCookie);
}
//登录成功写入session
Session["user"] = userInfo;
//更新登录状态
userInfo.LoginDt = DateTime.Now;
_userInfoServiceRepository.Update(userInfo);
_userInfoServiceRepository.SaveChanges();
return new JsonResult() { Data = "{\"code\":200,\"msg\":\"登录成功\"}" };
}

测试

登录成功后，跳转到FileList页面。

总结

关于ajax方式登录的内容就到这里。下面将进入网盘的主页。

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