String path=request.getSession().getServletContext().getRealPath("upload/img/product");//二进制上传MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;//获取文件CommonsMultipartFile fpic=(CommonsMultipartFile) multipartRequest.getFile("fpic");//推断是否有文件提交if(fpic!=null){if(!fpic.isEmpty()){    String time=DataUtil.getCurrentTimeMillis();    String path=request.getSession().getServletContext().getRealPath("upload/img/product");    File file = new File(path+"/"+time+ ".jpg");    fpicurl = "upload/img/product/p"+time+".jpg";    try {         fpic.getFileItem().write(file);    } catch (Exception e) {         e.printStackTrace();         return;    }}}

须要工具包

import org.springframework.web.multipart.MultipartHttpServletRequest;

import org.springframework.web.multipart.commons.CommonsMultipartFile;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.File;

import java.io.IOException;

import com.realgo.util.DataUtil;

class DataUtil	public static String getCurrentTimeMillis(){		return String.valueOf(System.currentTimeMillis());	}

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