form: function (url, paras, files, success) {
//上傳的文件類型是MultipartFile[]
//如果把需要的參數直接傳入，則會請求錯誤
//設置請求參數的數據類型

            var urlStr = UrlParas(url, paras).url;
            console.log(urlStr)
            var formData = new FormData();
            for (var item in paras) {
                formData.append(item, paras[item]);
            }

            
 
for (var item in files) {
                for (var i = 0; i < files[item].length; i++) {
                    formData.append(item, files[item][i]);
                }
            }
            console.log(formData)
            return;
            $.ajax({
                url: urlStr,
                data: formData,
                type: 
 
‘post‘,
                contentType: false,
                processData: false,
                success: success,
                error: function (msg) {
                    errorState(msg);
                }
            });
        }

web前端 ajax請求上傳圖片數據類型處理