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POFile upload in extjs 4.2 without form.submit()
 

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    <p>I'm trying to upload a file (as of now of any extension) in extjs. I have a model and store. the file upload happens from a window and I dont have a form in the window. All example I tried in the net are with form.submit(). I instead use and Ajax call as below to send the data to the server. </p> <pre><code>Ext.Ajax.request({ url : 'qaf/saveSetupDetails.action', params : { 'data' : recordsToSend }, failure : function(response){ //console.log('error connecting controller'); }, success : function(response){ //console.log('successfully submitted'); } }); </code></pre> <p>The records to send in the data is got as below.</p> <pre><code>var store = Ext.getStore('SomeStore'); var modifiedRecords = store.getModifiedRecords(); var recordsToSend = []; if(modifiedRecords.length &gt; 0){ Ext.each(modifiedRecords, function(record){ recordsToSend.push(record.data);//I'm sure that this is so dump but this is how I do it for other records which are string and not sure how to do it for a file... }); } Ext.USE_NATIVE_JSON = true; recordsToSend = Ext.encode(recordsToSend); </code></pre> <p>While setting the record in the model, I use the below code..</p> <pre><code>var rec = Ext.create('QAF.model.MyModel'); rec.set('modelField',Ext.getCmp('fileUploadCompID').value); </code></pre> <p>I received a 500 status error with the response <code>"Cannot convert value of type [java.lang.String] to required type [org.springframework.web.multipart.commons.CommonsMultipartFile]"</code></p> <p>I'm sure that this is because of the way I set the value to the model as <code>Ext.getCmp('fileUploadCompID').value</code> gives the file name. Please let me know how to set the file to the model and what data type I have to specify for the field in the model.</p> <p>Below is how I try to retrieve the file in the spring controller.</p> <pre><code>@RequestMapping (value = "/qaf/saveSetupDetails.action") public @ResponseBody void saveSetupDetails(@RequestParam CommonsMultipartFile data)throws Exception{ log.info("Enter into saveSetupDetails method..." + data.getOriginalFilename()); } </code></pre> <p>Please let me know what I'm doing wrong and what has to be done to fix this...</p>
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