根据屏幕分辨率 AngularJS 更改指令的 templateUrl

问题描述

我需要根据屏幕分辨率更改 templateURL，例如如果我的屏幕宽度小于 768px，它必须加载templates/browse-content-mobile.html"，如果它大于 768px，它必须加载templates/browse-content.html".

I need to change the templateURL according to screen resolution, For e.g. if my screen width is less than 768px that it must load "templates/browse-content-mobile.html" if its greater than 768px it must load "templates/browse-content.html".

当前使用的代码.

app.directive('browseContent', function() {
    return {
        restrict: 'E',
        templateUrl: template_url + '/templates/browse-content.html'
    }
});

这里我正在尝试使用此代码

Here i am trying with this code

 app.directive('browseContent', function() {
    screen_width = window.innerWidth;
    if (screen_width < 768) {
        load_tempalte = template_url + '/templates/browse-content-mobile.html';
    } else if (screen_width >= 768) {
        load_tempalte = template_url + '/templates/browse-content.html';
    }
    return {
        restrict: 'E',
        templateUrl: load_tempalte
    }
});

此代码块正在工作，它根据分辨率加载移动和桌面页面，但是当我调整页面大小时它保持不变......

This Code block is working, it loads the mobile and desktop page according to there resolution but when i resize the page it remain the same ...

例如如果我在最小化窗口(480px)中打开浏览器并将其最大化到 1366px，templateUrl 保持与/templates/browse-content-mobile.html'"相同，它必须是/templates/browse-content.html"

For e.g. if I open the browser in minimize window (480px) and maximize it to 1366px the templateUrl remain same as "/templates/browse-content-mobile.html'" it must be "/templates/browse-content.html"

推荐答案

在您的情况下，您可以监听 window.onresize 事件并更改一些范围变量，这将控制模板 url，例如在 ngInclude.

In your case you can listen window.onresize event and change some scope variable, which would control template url, for example in ngInclude.

app.directive('browseContent', function($window) {
    return {
        restrict: 'E',
        template: '<div ng-include="templateUrl"></div>',
        link: function(scope) {

            $window.onresize = function() {
                changeTemplate();
                scope.$apply();
            };
            changeTemplate();

            function changeTemplate() {
                var screenWidth = $window.innerWidth;
                if (screenWidth < 768) {
                    scope.templateUrl = 'browse-content-mobile.html';
                } else if (screenWidth >= 768) {
                    scope.templateUrl = 'browse-content.html';
                }
            }
        }
    }
});

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