Drag event editor implements drag and drop upload image effect

This time I will bring you the Drag eventEditorTo realize the effect of dragging and uploading pictures, what are the things to notein the Drag event editor to realize the effect of dragging and uploading pictures, the following are Let’s take a look at practical cases.

The editor image upload of this site is used to upload this part

Seajs definition Tools module

/**
 * Created by zhaojunlike on 8/22/2017.
 */
define(function (require, exports, module) {
    /**
     * 截图粘贴
     * @param selector
     * @param callback
     */
    exports.paste = function (selector, callback) {
        document.querySelector(selector).addEventListener("paste", function (ev) {
            var data = ev.clipboardData;
            var items = (event.clipboardData || event.originalEvent.clipboardData).items;
            for (var i in items) {
                var item = items[i];
                //如果是图片
                if (item.kind === 'file' && item.type.indexOf('image') > -1) {
                    var blob = item.getAsFile();
                    var reader = new FileReader();
                    //reader读取完成后，xhr上传
                    reader.onload = function (event) {
                        var base64 = event.target.result;
                        //ajax上传图片
                        //返回一个base64数据
                        var img = {type: item.type, kind: item.kind};
                        if (typeof callback === "function") {
                            callback(event.target.result, img, event);
                        }
                    }; // data url!
                    reader.readAsDataURL(blob);//reader
                }
            }
        });
    };
    /**
     * 拖拽上传
     * @param selector
     * @param callback
     */
    exports.drag = function (selector, callback) {
        var element = document.querySelector(selector);
        element.addEventListener("drop", function (e) {
            e.preventDefault();
            var files = e.dataTransfer.files;
            for (var i = 0; i < files.length; i++) {
                //回调文件
                //alert("Drop " + file[i].name.toString());
                var reader = new FileReader();
                var item = files[i];
                reader.onload = function (event) {
                    var base64 = event.target.result;
                    //返回一个base64数据
                    var img = {type: item.type, name: item.name};
                    if (typeof callback === "function") {
                        callback(event.target.result, img, event);
                    }
                };
                reader.readAsDataURL(files[i]);//reader
            }
            return false;
        });
        element.addEventListener("dragenter", function (e) {
            e.stopPropagation();
            e.preventDefault();
        });
        element.addEventListener("dragover", function (e) {
            e.dataTransfer.dropEffect = "copy";
            e.stopPropagation();
            e.preventDefault();
        });
        document.body.addEventListener("dragover", function (e) {
            e.stopPropagation();
            e.preventDefault();
            return false;
        });
    }
    /**
     * 解析粘贴过来的内容，看是否有不是本站的图片,解析出来上传到本站
     */
    exports.parseImg = function () {
    }
});

How to use:

            //粘贴上传图片
            Edtools.paste("#post_content", function (base64, image, event) {
                $.post("{:url('api/uploader/upEditorImg')}",{base:base64}, function (ret) {
                    layer.msg(ret.msg);
                    if (ret.code === 1) {
                        //新一行的图片显示
                        editor.insertValue("\n![" + ret.data.title + "](" + ret.data.path + ")");
                    }
                });
            });
            //拖拽上传图片
            Edtools.drag("#post_content", function (base64, image, event) {
                $.post("{:url('api/uploader/upEditorImg')}",{base:base64}, function (ret) {
                    layer.msg(ret.msg);
                    if (ret.code === 1) {
                        //新一行的图片显示
                        editor.insertValue("\n![" + ret.data.title + "](" + ret.data.path + ")");
                    }
                });
            });

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