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POusing spring mvc to upload, but MultipartFile is null
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  1. POusing spring mvc to upload, but MultipartFile is null
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    copied!<pre><code> @ResponseBody @RequestMapping(value = "companyTypeRelation/toupload") public String uploadCompanyTypeRelation( @RequestParam(value = "uploadfile", required = false) MultipartFile[] uploadfile, HttpServletRequest request,HttpServletResponse response) { // do logic } </code></pre> <p><strong>i use ajax to send;but i find MultipartFile is null, i can get the value ;i don't know how do solve it?</strong> below is jsp detail:</p> <pre><code>&lt;div class="upload" id="uploadDIV" title="upload" style="text-align: center; display: none; padding: 5px;"&gt; &lt;center&gt; &lt;a href="${pageContext.request.contextPath }/report/Excels/blalist.xls"&gt;uploadupload&lt;/a&gt; &lt;form action="${pageContext.request.contextPath }/backend/basic/companyTypeRelation/toupload" id="UploadForm" method="post" enctype="multipart/form-data"&gt; &lt;br /&gt; &lt;input type="file" id="uploadfile" name="uploadfile"&gt;&lt;/input&gt; &lt;/form&gt; &lt;/center&gt; &lt;/div&gt; </code></pre> <p>i use ajax send file form to server ,maybe there is problem ,but i don't figue it out :</p> <pre><code>enter code here $("#uploadDIV").dialog({ autoOpen : false, height : 200, width : 450, modal : true, buttons : { "commit" : function() { var filepath = document .getElementById("uploadfile").value; var re_text = /\xls/i; var newFileName = filepath.split('.'); newFileName = newFileName[newFileName.length - 1]; if (newFileName.search(re_text) == -1) { return; } var resourceURL = '${pageContext.request.contextPath}/backend/basic/companyTypeRelation/toupload'; //$("#UploadForm").submit(); $.ajax({ url:resourceURL, type: 'POST', data: { }, error: function(XMLHttpRequest, textStatus, errorThrown){ $(".validateTips").text("..."); }, success: function(data){ alert(data); } }); }, "cancel" : function() { $(this).dialog("close"); } }, close : function() { allFields.val("").removeClass( "ui-state-error"); } }); </code></pre>
 

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