前端：

    export default{    data(){	    return {		  fileList: []	    }     },     methods: {        methods:{			submitUpload() {				this.$refs.upload.submit();				this.getUpgradeFile();			},			handleRemove(file, fileList) {				console.log(file, fileList);			},			handlePreview(file) {				console.log(file);			}	}}复制代码

spring.xml配置文件：

         
              
               
                   
              
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后端 ：

package sino.com.controller;import java.io.Console;import java.io.File;import java.io.PrintWriter;import java.util.ArrayList;import java.util.Iterator;import java.util.List;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.multipart.MultipartFile;import org.springframework.web.multipart.MultipartHttpServletRequest;import org.springframework.web.multipart.commons.CommonsMultipartResolver;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import com.jfinal.upload.UploadFile;import sino.com.controller.utils.ResponseMsg;import x.acs.utils.AcsUtil;@Controller@RequestMapping(value="/firewareUpgrade")public class UpgradeFileController extends com.jfinal.core.Controller{		@Resource	ResponseMsg responseMsg;		@RequestMapping(value="/operationUpgradeFile", method=RequestMethod.POST)	public void importUpgradeFile(PrintWriter out, HttpServletRequest request){		String dirPath = AcsUtil.getFirmwarePath();		try {			 // @RequestParam("file") MultipartFile file,  	        CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(  	                request.getSession().getServletContext());  	        // 判断 request 是否有文件上传,即多部分请求  	        if (multipartResolver.isMultipart(request)) {  	            // 转换成多部分request  	            MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;  	            // 取得request中的所有文件名  	            Iterator
    
      iter = multiRequest.getFileNames();  	            while (iter.hasNext()) {  	                // 取得上传文件  	                MultipartFile f = multiRequest.getFile(iter.next());  	                if (f != null) {  	                    // 取得当前上传文件的文件名称  	                    String myFileName = f.getOriginalFilename();  	                    // 如果名称不为“”,说明该文件存在，否则说明该文件不存在  	                    if (myFileName.trim() != "") {  	                        // 定义上传路径  	                        String path = dirPath+"\\"  	                                + myFileName; 	                        File localFile = new File(path);  	                        f.transferTo(localFile);  	                    }  	                }  	            }  	        } 		      responseMsg.setStatusCode(ResponseMsg.SUCCESS_CODE);		      responseMsg.setBody(new String("升级文件导入成功!"));		} catch (Exception e) {			responseMsg.setStatusCode(ResponseMsg.FAILURE_CODE);	    	responseMsg.setBody(new String("上传的升级文件被删除!"));		}finally{			out.println(JSON.toJSONString(responseMsg));		}	}}复制代码