錯誤：[$ injector：unpr]
[英]Error: [$injector:unpr]
問題描述
我在Angular Js工作。 我正在嘗試根據用戶名和密碼從Sql數據庫創建登錄系統。 我輸入了正確的用戶名和密碼，但這並沒有轉到我要重定向用戶主頁的頁面，但是我做不到。 從控制台應用程序將用戶名和密碼提交到文本框中時，出現以下錯誤...。
angular.min.js:123 Error: [$injector:unpr] http://errors.angularjs.org/1.6.5/$injector/unpr?p0=myServiceProvider%20%3C-%20myService%20%3C-%20myCntrl
at angular.min.js:7
at angular.min.js:46
at Object.d [as get] (angular.min.js:43)
at angular.min.js:46
at d (angular.min.js:43)
at e (angular.min.js:44)
at Object.invoke (angular.min.js:44)
at O.instance (angular.min.js:94)
at q (angular.min.js:69)
at f (angular.min.js:62)
這是我的Module.Js代碼...
var app = angular.module("myApp", [])
.controller("myCntrl", function ($scope, myService) {
$scope.LoginCheck = function () {
var User = {
UserName: $scope.uName,
Password: $scope.password
};
$("#divLoading").show();
var getData = myService.UserLogin(User);
getData.then(function (msg) {
if (msg.data == "0") {
$("#divLoading").hide();
$("#alertModal").modal('show');
$scope.msg = "Password Incorrect !";
}
else if (msg.data == "-1") {
$("#divLoading").hide();
$("#alertModal").modal('show');
$scope.msg = "Username Incorrect !";
}
else {
uID = msg.data;
$("#divLoading").hide();
window.location.href = "/Home/Index";
}
});
debugger;
}
function clearFields() {
$scope.uName = '';
$scope.uPwd = '';
}
//move this function inside `myCntrl` controller function.
$scope.alertmsg = function () {
$("#alertModal").modal('hide');
};
});
app.service("myService", function ($http) {
this.UserLogin = function (User) {
var response = $http({
method: "post",
url: "/Login/Login",
data: JSON.stringify(User),
dataType: "json"
});
return response;
}
});
這是登錄控制器代碼..
public class LoginController : Controller
{// GET: /Login/
public ActionResult Login()
{
return View();
}
[HttpPost]
public string Login(UserLogin data)
{
bool isPasswordCorrect = false;
string un = data.UserName;
string Password = data.Password;
using (HalifaxDatabaseEntities entity = new HalifaxDatabaseEntities())
{
var user = entity.UserLogins.Where(u => u.UserName == un).FirstOrDefault();
if (user != null)
{
if (Password == user.Password)
{
Session["LoginID"] = user.ID;
Session["Username"] = user.Firstname + ' ' + user.Lastname;
return user.ID.ToString();
}
else
{
return "0";
}
}
else
{
return "-1";
}
}
}
}
}
這是我的HTML代碼....
@{
Layout = null;
}
<!DOCTYPE html>
<html ng-app="myApp">
<head>
<title></title>
<script src="~/Scripts/angular.min.js"></script>
<script src="~/Scripts/LoginScript/Module.js"></script>
<script src="~/Scripts/jquery-ui-1.12.1.min.js"></script>
<script src="~/Scripts/bootstrap.min.js"></script>
<link href="~/Content/bootstrap.min.css" rel="stylesheet" />
<link href="~/Content/Site.css" rel="stylesheet" />
<link href="~/Content/ui-bootstrap-csp.css" rel="stylesheet" />
</head>
<body>
<div ng-controller="myCntrl">
<h1>
<img src="~/Content/images/Loginicon.png" />
</h1>
<br />
<div id="alertModal" class="modal fade">
<div class="modal-dialog">
<div class="modal-content">
<!-- dialog body -->
<div class="modal-body">
<button type="button" id="btn" value="Close" class="close" data-dismiss="modal">×</button>
{{msg}}
</div>
<!-- dialog buttons -->
<div class="modal-footer">
<button type="button" ng-click="alertmsg()" class="btn btn-primary">OK</button>
</div>
</div>
</div>
</div>
<div class="container-fluid">
<div class="panel panel-success" style="width: 50%;">
<div class="panel-heading">Login</div>
<div class="panel-body" style="box-shadow: -6px 2px 46px 7px #888888; padding: 20px;">
<form name="loginForm" novalidate>
<div class="form-horizontal">
<div class="form-group">
<div class="row">
<div class="col-md-3" style="text-align: right;">
Username :
</div>
<div class="col-md-6">
<div class="input-group">
<input type="text" class="form-control" id="Uname" placeholder="Username" ng-model="uName" name="Username" required autofocus />
<span class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>
</div>
</div>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-md-3" style="text-align: right;">
Password :
</div>
<div class="col-md-6">
<div class="input-group">
<input type="password" class="form-control" id="password" placeholder="Password" ng-model="password" name="Password" required autofocus />
<span class="input-group-addon"><span class="glyphicon glyphicon-user"></span></span>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-md-6">
<div id="divLoading" style="margin: 0px; padding: 0px; position: fixed; right: 0px; top: 0px; width: 100%; height: 100%; background-color: #666666; z-index: 30001; opacity: .8; filter: alpha(opacity=70); display: none">
<p style="position: absolute; top: 30%; left: 45%; color: White;">
please wait...<img src="~/Content/images/load.png">
</p>
</div>
</div>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-md-5" style="text-align: right;">
<button id="btnLogin" type="submit" class="btn btn-success" ng-disabled="!(password && uName)" ng-click="LoginCheck()">Login</button>
</div>
</div>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</body>
</html>
這是解決方案資源管理器的屏幕截圖...
這是我為開發人員午餐時的屏幕截圖。
1 個解決方案
解決方案1
1 已采納 2017-08-30 19:34:53
您已在控制器函數外部聲明了alertmsg 。 將其移動到myCntrl控制器的工廠函數中。 因此基本上是因為$scope.alertmsg函數， $scope.alertmsg不在$scope變量之外，這就是JS編譯器在那里大喊大叫的原因。 而且不會執行進一步的聲明。 由於myService服務未在myApp angular module注冊，並且顯示myService unknown provider
http://errors.angularjs.org/1.6.5/ $ injector / unpr？p0 = myServiceProvider％20％3C-％20myService
var app = angular.module("myApp", [])
.controller("myCntrl", function ($scope, myService) {
$scope.LoginCheck = function () {
//code as is
}
function clearFields() {
$scope.uName = '';
$scope.uPwd = '';
}
//move this function inside `myCntrl` controller function.
$scope.alertmsg = function () {
$("#alertModal").modal('hide');
};
});
除了angularjs錯誤外，您還修復了控制台中出現的所有錯誤。 同樣在
bootstrap.js之前加載jQuery
錯誤：sessionStorage中的[$ injector：unpr]
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