ssm多文件上传demo+mysql

package com.lanou.handler; import java.io.File; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.HttpSession; import org.apache.commons.io.FileUtils; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import com.lanou.service.ISpImgService; @Controller // 定义了命名空间 @RequestMapping("/insertImg") public class SPImgController { public static Logger log = Logger.getLogger(SPImgController.class); @Resource(name = "spimgservice") public ISpImgService service; // 实现多图片上传 @RequestMapping("/insert") public ModelAndView insertAll(@RequestParam("file")MultipartFile[] file, HttpSession session,String str) throws IOException{ int a=0; Map<String, Object> map=new HashMap<>(); for (MultipartFile multipartFile : file) { a=a+1; log.info(multipartFile.getOriginalFilename()); String realPath=session.getServletContext().getRealPath("");//文件的绝对路径 String fileFileName=multipartFile.getOriginalFilename();//文件名 log.info("文件名:"+fileFileName); String[] temp = fileFileName.split("\\.");// 转译字符. temp[0] = System.currentTimeMillis() + session.getId(); log.info("上传文件的绝对路径 :"+realPath); String finalString = "";//图片最终名字 for (int i = 0; i < temp.length; i++) { if (i == 0) { finalString = temp[i]+"."; } else if (i == temp.length - 1) { finalString = finalString+temp[i]; }else{ finalString=finalString+temp[i]+"."; } } log.info(finalString); //注意ip写成自己的 String patternPath = "http://192.168.20.171:8080/sports/html/img/"+""+a+""+finalString; if(!multipartFile.isEmpty()){ FileUtils.copyInputStreamToFile(multipartFile.getInputStream(),new File(realPath+"/html/img/"+""+a+""+ finalString)); log.info("上传成功了"+patternPath); } log.info(patternPath); map.put("spimg"+a+"", patternPath); } map.put("sp_d", str); service.insertAll(map); return new ModelAndView("spimg"); } }