ajaxupload.js

new AjaxUpload(button, { action: 'servlet/import', name: 'newFileName',//更改上传的文件名 data : { 'key1' : "7月份", 'key2' : "8月份", 'key3' : "9月份" }, onSubmit : function(file , ext){ if (ext && /^(sex|xls|jpg|png|jpeg|gif)$/.test(ext)){ $('#prt_import .error').text('请选择Excel报表文件'); //this.setData({'desc': '第三季度报表'}); //覆盖Key1,key2,key3 this.disable(); } else { $('#prt_import .error').text('Error: only images and excel are allowed');// extension is not allowed return false;// cancel upload } }, onComplete : function(file){ this.enable(); } });