laravel-8 - 如何通过使用 tinymce wiris 插件获取图像 url？

Question

我正在为数学方程使用 tiny_mce_wiris 插件。一切正常，但我想将生成的图像保存到另一个文件夹和数据库中。我怎样才能获得图像的网址并将其保存在数据库中

tinymce.init({
    selector: '#mytextarea',
    branding: false,
    plugins: ["tiny_mce_wiris" ],
    toolbar: 'code,|,bold,italic,underline,|,cut,copy,paste,|,search,|,undo,redo,|,forecolor,backcolor,|,justifyleft,justifycenter,justifyright,fontselect,fontsizeselect,|,tiny_mce_wiris_formulaEditor,tiny_mce_wiris_formulaEditorChemistry,|,fullscreen',
    init_instance_callback: "updateFunctionTimeOut",
    setup: function (ed) {
        x = ed;
        ed.on('init', function (ed) {

            this.getDoc().body.style.fontSize = '16px';
            this.getDoc().body.style.fontFamily = 'Arial, "Helvetica Neue", Helvetica, sans-serif';
           
        });
        ed.on('change', function (e) {

            var content = tinyMCE.get('mytextarea').getContent();
            console.log(content);
            if (content === "" || content === null) {
                $("#mytextarea").after("<span style='color:red' id='question_error'>Please enter question statement</span>");
            }

        });



    }
});