####問題場景:css
普通的input標籤實現多文件上傳時,只能對同一個文件夾下的多個文件進行上傳,若是要同時上傳兩個或多個文件夾下的文件,是沒法實現的。這篇文章就是利用layui中的插件,解決這個問題。html
普通多文件上傳標籤:<input type="file" id="loadFile" multiple="multiple" name="loadFile" >前端
####前端 運用layui 操做步驟: 一、進入layui首頁,下載整個組件 二、下載完成後,把名字爲layui的文件夾放到你的項目中進行引用 三、引用layui.js和layui.css實現功能 四、可點擊可進入layui文件上傳實例的官方網址進行參考,來以上三步的前端代碼實現 ####HTML代碼塊:jquery
<div class="layui-upload"> <button type="button" class="layui-btn layui-btn-normal" style="margin-left: 30px" id="testList">選擇多文件 </button> <button type="button" class="layui-btn" id="testListAction" style="display: inline; margin-left: 26px;"> 開始上傳 </button> <div class="layui-upload-list col-md-12"> <table class="layui-table" style="margin: 0 0 0 0"> <thead style="display: none"> <tr> <th>文件名</th> <th>大小</th> <th>狀態</th> <th>操做</th> </tr> </thead> <tbody id="demoList"></tbody> </table> </div> </div>
####JS代碼塊sql
<script> layui.use('upload', function () { var $ = layui.jquery , upload = layui.upload; //多文件列表示例 var demoListView = $('#demoList') , uploadListIns = upload.render({ elem: '#testList' , url: '/task_mgm/taskinfo_upload' , accept: 'file' , multiple: true , auto: false , bindAction: '#testListAction' , choose: function (obj) { var files = this.files = obj.pushFile(); //將每次選擇的文件追加到文件隊列 //讀取本地文件 obj.preview(function (index, file, result) { var tr = $(['<tr id="upload-' + index + '">' , '<td>' + file.name + '</td>' , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>' , '<td>等待上傳</td>' , '<td>' , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重傳</button>' , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">刪除</button>' , '</td>' , '</tr>'].join('')); //單個重傳 tr.find('.demo-reload').on('click', function () { obj.upload(index, file); }); //刪除 tr.find('.demo-delete').on('click', function () { delete files[index]; //刪除對應的文件 tr.remove(); uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值,以避免刪除後出現同名文件不可選 }); demoListView.append(tr); }); } , done: function (res, index, upload) { if (res.code == 0) { //上傳成功 var tr = demoListView.find('tr#upload-' + index) , tds = tr.children(); tds.eq(2).html('<span style="color: #5FB878;">上傳成功</span>'); {#tds.eq(3).html(''); //清空操做#} return delete this.files[index]; //刪除文件隊列已經上傳成功的文件 } this.error(index, upload); } , error: function (index, upload) { var tr = demoListView.find('tr#upload-' + index) , tds = tr.children(); tds.eq(2).html('<span style="color: #FF5722;">上傳失敗</span>'); tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //顯示重傳 } }); }) </script>
####Python後端 代碼塊json
UPLOAD_FOLDER = 'static_files/task_mgm/' # 設置容許上傳的文件類型 ALLOWED_EXTENSIONS = set( ['txt', 'png', 'jpg', 'xls', 'JPG', 'PNG', 'xlsx', 'gif', 'GIF', 'ppt', 'pptx', 'doc', 'docx', 'csv', 'sql', 'py', 'rar']) # 用於判斷文件後綴 def allowed_file(filename): return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS @task_mgm.route('/taskinfo_upload',method=['post']) @login_required def taskINfo_upload_fun(): if request.method == 'POST': # 上傳文件的鍵名是file if 'file' not in request.files: logging.debugp('No file part') return jsonify({'code': -1, 'filename':'', 'msg':'No file part'}) # 獲取文件對象 file = request.files['file'] # 若用戶沒有選擇文件就提交,提示‘No selected file’ if file.filename == '': logging.debug('No selected file') return jsonify({'code': -1', 'filename':'', 'msg':'No selected file'}) else: try: if file and allowed_file(file.filename): origin_file_name = file.filename logging.debug('filename is %s' % origin_file_name) file_dir = os.path.join(os.getcwd(), UPLOAD_FOLDER) if os.path.exists(file_dir): logging.debug('%s path exist' % file_dir) pass else: logging.debug('%s path not exist' % file_dir) os.makedirs(file_dir) file.save(os.path.join(file_dir, filename)) return jsonify({'code':0, 'filename':origin_file_name, 'msg': 'save successfully'}) else: logging.debug('%s not allowed' % file.filename) return jsonify({'code':-1, 'filename':'', 'msg': 'File not allowed'}) except Exception as e: logging.debug(e) return jsonify({'code':-1, 'filename':'', 'msg':'Error occurred'}) else: return jsonify({'code':-1, 'filename': '', 'msg':'Method not allowed'})
下面簡單展現一下效果圖: 後端
#####到此爲止,先後端代碼都有了,能夠粘去直接使用!!!!前端框架