simplemde编辑器 新按钮上传图片

var inlineAttachmentConfig = {
    uploadUrl: "/upload/attachment",
    progressText: '![图片上传中...]()',
    errorText: '图片上传失败',
    extraParams: {
        '_token': $('meta[name="csrf-token"]').attr('content')
    },
};
var simplemde = new SimpleMDE({
    element: document.getElementById("post-message"),
    toolbar: ["bold", "quote", "code", "table", "horizontal-rule", "unordered-list", "ordered-list", "link", {name: "uploadimage", action: UploadImage, className: "fa fa-image", title: "upload image"}, "side-by-side", "fullscreen"],
    status: false,
    autofocus: true,
    placeholder: '请使用 Markdown 格式书写。',
    autoDownloadFontAwesome: false,
});
function UploadImage(){
    var input = document.getElementById('upInput');
    input.click();
}

function upupImage(editor) {
    fs = $("#upInput")[0].files;
    var formData = new FormData()
    formData.append("file", fs[0])
    fileUpload(formData)
}

function fileUpload(formData) {
    $.ajax({
        headers: {'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')},
        url: '/upload/attachment',
        type: 'POST',
        cache: false,
        data: formData,
        timeout: 5000,
        processData: false,
        contentType: false,
        xhrFields: {
            withCredentials: true
        },
        success: function (data) {
            simplemde.codemirror.replaceSelection("![]("+ data.url+")")
        },
        error: function (XMLHttpRequest, textStatus, errorThrown) {
            console.log("上传出错了")
        }
    });
}
inlineAttachment.editors.codemirror4.attach(simplemde.codemirror, inlineAttachmentConfig);

codemirror-4.inline-attachment.min.js
inline-attachment.min.js