使用$ compile绑定HTML内容时,AngularUI Bootstrap Carousel无法正常工作

时间:2017-06-28 17:06:22

标签: javascript angularjs angular-ui-bootstrap angular-ui

  

AngularUI Bootstrap版本^ 2.4.22

     

AngularJS版本1.6.4

     

Angular Sanitize版本^ 1.6.1

我在使用AngularUI Bootstrap的Carousel插件时遇到了麻烦。在我的场景中,我需要读取包含一些模板路径的外部文件,并将它们作为幻灯片加载。见下面的例子:

index.html (正在调用指令)

     <body id="body" ng-app="homePage">
        <div id="miolo">
            <div example-directive class="ng-hide"></div>
            <div banner-rotativo></div>
            <div id="menu-footer"></div>
        </div>
     </body>

banner-rotativo.directive.js - 基本上,在这个指令中,我有一个遵循AngularUI Bootstrap's demo结构的模板,我将响应数据绑定到{{1数组。当我将$scope.slides属性推入htmlContent属性时,轮播行为可以正常工作,但它会将[[object HTMLDivElement]]和类似的东西呈现为项目。

enter image description here

$compile(objResponseInner)($scope)

横幅rotativo.conf

angular.module('homePage')
.directive('bannerRotativo', ['$compile', '$http', 'moduleUrl', '$templateRequest', function ($compile, $http, moduleUrl, $templateRequest) {
    return {
        template:   '<div style="height: 305px" ng-controller="bannerHomeController" class="" >\
                        <div uib-carousel active="active" interval="myInterval" no-wrap="noWrapSlides">\
                            <div uib-slide ng-repeat="slide in slides track by slide.id" index="slide.id">\
                                <div ng-bind-html="slide.htmlContent">\
                                </div>\
                            </div>\
                        </div>\
                    </div>',

        link: function (scope, element, attributes, controller) {

            //Carousel
            scope.myInterval = 5000;
            scope.noWrapSlides = false;
            scope.active = 0;
            scope.slides = [];
            var intCurrentIndex = 0;

            $http({
                method: 'GET',
                url: moduleUrl.getUrl('homepage', '../config/banner-rotativo.conf')
            }).then(function success(objResponse, status, headers, config) {
                var objData = objResponse.data;
                if (objData.slides) {
                    angular.forEach(objData.slides, function (objItem, strObjectName) {
                        var strTemplatePath = moduleUrl.getUrl('homepage', '..' + objItem.caminho);
                        if (strTemplatePath) {
                            $templateRequest(strTemplatePath).then(function success(objResponseInner) {
                                var objContent = $compile(objResponseInner)(scope);
                                scope.slides.push({
                                    htmlContent: objContent,
                                    id: intCurrentIndex++
                                });
                            });
                        }
                    });
                }
            });
        }
    }


}]);

加载的模板示例:

{
"slides": {
    "banner-ex-one": {
        "titulo": "exone",
        "caminho-imagem": "assets/one.jpg",
        "caminho": "/html/components/banner-rotativo/banner-ex-one.view.html"
    },
    "banner-ex-two" : {
        "titulo": "extwo",
        "caminho-imagem": "assets/two.jpg",
        "caminho": "/html/components/banner-rotativo/banner-ex-two.view.html"
    },
    "banner-rav" : {
        "title": "rav",
        "caminho-imagem": "assets/rav.jpg",
        "caminho": "/html/components/banner-rotativo/banner-rav.view.html"
    },
    "banner-aviso" : {
        "title": "Quadro de comunicações 1",
        "caminho-imagem": "assets/aviso.jpg",
        "caminho": "/html/components/banner-rotativo/banner-aviso.view.html"
    },
    "banner-custom" : {
        "title": "Quadro de comunicações 2",
        "caminho-imagem": "assets/custom.jpg",
        "caminho": "/html/components/banner-rotativo/banner-custom.view.html"
    }
  }
}

一些要点:

  • 我正在使用<div id="frameOne" ng-controller="slideOneController" class="varejo-clique-promocao-one" title="Conteúdo Varejo - Quadro One"> <div class="item"> <div id="dados"> <!-- Imagem banner one --> <img id="one" ng-click="enviarFormOne()" class="one" alt="" ng-if="1==1" ng-src="caminhoImagem" /> <!-- End imagem banner --> <span ng-if="hasText">{{bannerText}}</span> </div> <div id="excecao" class="excecao" ng-if="typeof(one.excecao) !== 'undefined'"> DEU EXCECAO </div> <div class="carousel-title" id="tituloOne" ng-if="1==1" title="{{bannerTitle}}"> {{bannerTitle}} </div> </div> 因为我注入的模板也有控制器。如果我不使用它,我的控制器不会被处理。当我只是插入没有$compile的HTML时,它会渲染好。

怎么了?

1 个答案:

答案 0 :(得分:3)

问题是ng-bind-html需要html字符串,而你从$compile得到的结果实际上是一个元素对象。你可以从已编译的元素中获取HTML字符串并传递它,但你可能会遇到各种麻烦。

但实际上,您可以使用ngInclude而不是ng-bind-html跳过$compile的麻烦。它将为您处理模板请求和编译。

因此,不是请求和编译strTemplatePath,而是将其存储到幻灯片列表中:

var strTemplatePath = moduleUrl.getUrl('homepage', '..' + objItem.caminho);
if (strTemplatePath) {
    scope.slides.push({
        htmlUrl: strTemplatePath,
        id: intCurrentIndex++
    });
}

然后在模板中使用它:

<div uib-slide ng-repeat="slide in slides track by slide.id" index="slide.id">
    <div ng-include="slide.htmlUrl"></div>
</div>

这是一个有点工作的小提琴:jsfiddle.net,虽然我不得不在这里和那里填补一些空白。