platform-project/src/productcenter/js/components/FileDownloader.js

平台项目

function FileDownloader(options) {
    this.node = options.node;
    this.url = this.node.attr('data-url');
}

FileDownloader.prototype = {
    constructor: FileDownloader,
    trigger: function () {
        if (!this.node || !this.node.length) {
            return;
        }
        this.bindEvent();
    },
    bindEvent: function () {
        var _this = this;
        this.node.on('click', function () {
            var $dFrame = $('.download-frame');
            if ($dFrame.length > 0) {
                $dFrame.remove();
            }
            var elemIF = $('<iframe class="download-frame hidden" src=' + _this.url + '></iframe>');
            $('body').append(elemIF);
        })
    }
}

$.fn.fileDownloader = function () {
    if (!$(this).length) { return }
    $(this).each(function () {
        new FileDownloader({
            node: $(this),
        }).trigger();
    });
}

module.exports = FileDownloader;