$.ajaxFileUpload上传文件后,后台返回结果.如果再次按下按钮后,Filedata这个值就消失了.

Question

$.ajaxFileUpload上传文件后,后台返回结果.如果再次按下按钮后,Filedata这个值就消失了. 只有IE11发生异常.其他浏览器没有问题.

• html

                    <div class="dialog-body">
                        <dl class="list-table list-table-input-text list-table-180">
                            <dt style="width:70px;">ファイル名<span style="color:red;">*</span></dt>
                                <dd>
                                    <form enctype="multipart/form-data" id="replyUploadFile" name="replyupload_file">
                                        <input type="file" id="replyBrowse" name="Filedata" style="display: none" accept="application/x-zip-compressed">
                                        <input type="hidden" id="contentsDirUrl" name="contentsDirUrl" value="" />
                                        <input type="hidden" id="courseNo" name="courseNo" value="<cfoutput>#ssoCourseNo#</cfoutput>" />
                                        <input type="hidden" id="courseName" name="courseName" value="<cfoutput>#ssoCourseName#</cfoutput>" />
                                        <input type="hidden" id="userID" name="userID" value="<cfoutput>#ssoUserID#</cfoutput>" />
                                        <input type="hidden" id="courseTime" name="courseTime" value="<cfoutput>#ssoCourseTime#</cfoutput>" />
                                        <input type="hidden" id="smartPhoneFlag" name="smartPhoneFlag" value="<cfoutput>#ssoMoileFlag#</cfoutput>" />
                                        <input type="hidden" id="company" name="company" value="<cfoutput>#ssoCompany#</cfoutput>" />
                                        <input type="hidden" id="memberCompany" name="memberCompany" value="1" />
                                        <input type="text" id="replyFilename" style="width:200px;" readonly />
                                        <button type="button" id="replySelectFileButton" class="btn" style="float:right;">ファイルの選択</button>
                                    </form>
                                </dd>
                            <dt>ファイルサイズ</dt>
                                <dd id="replyFilesize" style="padding-top:6px;"></dd>
                            <dt></dt>
                                <dd></dd>
                        </dl>
                    </div>

• js

        $.ajaxFileUpload({
            type: 'POST',
            url: getParentPath(3) + 'bin-debug/cfm/ssouploadTeachingMaterial.cfm',
            data: {
                contentsDirUrl: getParentPath(3) + 'bin-debug/contents',
                scormVersion: '1.2',
                smartPhoneFlag: smartPhoneFlag,
                courseNo: courseNo,
                userID: userID,
                courseTime: courseTime,
                memberCompany: 1,
                company: company

            },
            cache: false,
            fileElementId: 'replyBrowse',
            secureuri: false,
            scriptCharset: 'UTF-8',
            dataType: 'json',
            complete: function() {
                var result = sessionCfc.getSessionSsoRunResult();
                var msg = sessionCfc.getSessionSsoRunMsg();
                if (result) {
                    successmessageDialog.open();
                } else {
                    $("#error").text(msg);
                    errormessageDialog.open();
                }
            }
        });

• 后台部分代码

<cftransaction>
    
    <cftry>
    <cflog text="form.Filedata：#form.Filedata#  ; form.scormVersion: #form.scormVersion#" />
    <cfif (StructKeyExists( form, "Filedata" ) AND form.Filedata NEQ "") AND (StructKeyExists( form, "scormVersion" ) AND form.scormVersion NEQ "") AND (StructKeyExists( form, "contentsDirUrl" ) AND form.contentsDirUrl NEQ "") AND (StructKeyExists( form, "smartPhoneFlag" ) AND form.smartPhoneFlag NEQ "")>    
        <cflog text="111111111111" />
        <cfset smartPhoneCheck = form.smartPhoneFlag />    
        <!--- LMSの設定取得 --->
        <cfquery name="queryGetLmsInfo" datasource="#application.DSN#">
            SELECT * 
            FROM lms_info  
        </cfquery>

Answer 1

没有发现原因,改成其他方式实现