使用for循环的push method()后无法显示新的空数组-AngularJS

时间:2018-11-13 15:06:23

标签: javascript arrays angularjs

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我正在尝试创建一个网页,当用户登录时,根据登录用户的公司,我需要显示“用户”数组中的用户选择列表。

问题出在push()方法之后,控制台日志和调试都将数据显示在selectedUsers列表中,而不是在浏览器中显示。

例如-当属于Apple公司的用户登录时,在此表中,仅应显示属于APPLE公司的用户。

作为参考-“ currentUser”是使用localStorage.getItem()从登录页面获取的数组。

“用户”数组包括来自各个公司的所有用户的列表。

“ selectedUsers”一个空数组,其中仅显示属于一个公司的用户。通过使用currentUser数组对用户数组使用for循环来完成此操作。之后,我将过滤后的用户数据推送到selectedUsers数组中,并将其显示在表格中。

我听说过称为异步的功能。我应该用那个吗?我不知道在哪里以及如何实现。

正在寻找指导。预先感谢。

PS:是的,我在HTML页面的selectedUsers中使用了ng-repeat用户来显示selectedUsers。

//Info-

    //currentUser- user array acquired from the login user page.

    // Users- List of all static users in the array.

    // selectedUsers- List of users displayed and filtered from the users array based on currentUser.company


if (localStorage.getItem("currentUser") !== null) {

        var currentUser = JSON.parse(localStorage.getItem("currentUser"));
        console.log("Received", currentUser);
    }
    else {
        console.log("Not received");
    }
    
if (localStorage.getItem("users") === null) {
        $scope.users = [
            { email: "John@yahoo.com", password: "John123", firstName: "John", lastName: "Doe", contact: "281-283-2480", role: "Supplier-Admin", company: "Apple" },
            { email: "Rick@yahoo.com", password: "Rick123", firstName: "Rick", lastName: "Fraiser", contact: "987-283-2489", role: "Supplier-User", company: "Apple" },
            { email: "Sam@yahoo.com", password: "Sam123", firstName: "Sam", lastName: "Tarly", contact: "456-786-2480", role: "BuyerAdmin", company: "Samsung" }
        ];
        localStorage.setItem("users", JSON.stringify($scope.users));
    } else {
        $scope.users = JSON.parse(localStorage.getItem("users"));
    }

//filter users based on currentUser's role and push into selectedUsers
    for (var i = 0; i<$scope.users.length; i++) {
        $scope.selectedUsers = [{}];
        if ($scope.users[i].company === currentUser[0].company) {
            $scope.selectedUsers.push($scope.users[i]);
        }
        console.log("filteredUsers", $scope.selectedUsers);
        localStorage.setItem("selectedUsers", JSON.stringify($scope.selectedUsers));
    }

0 个答案:

没有答案