ssm上传图片

来源：互联网发布：阿里云系统强制升级编辑：程序博客网时间：2024/06/06 06:04

controller写法

public String addStore(OOmallStore ooStore,@RequestParam("storepic") MultipartFile filedata,HttpServletRequest request) throws IOException{String url=  request.getSession().getServletContext().getRealPath(“\image”);  if (filedata != null && !filedata.isEmpty()) { // 判断是否上传文件        UploadPic.upload(filedata,url);        ooStore.setStoreImage(newFileName);  }  oomallStoreService.insert(ooStore);    return  "/ooyanjing/m_get_supplier.action" ; }

package com.ooyanjing.util.method;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.net.URL;import javax.annotation.processing.FilerException;import org.springframework.web.multipart.MultipartFile;public class UploadPic { public static String newFileName; public static void upload(MultipartFile filedate, String url){    if (filedate != null && !filedate.isEmpty()) { // 判断是否上传文件          String fileName = filedate.getOriginalFilename();// 获取文件名     String extensionName = fileName       .substring(fileName.lastIndexOf(".") + 1);// 获取图片扩展名     newFileName = String.valueOf(System.currentTimeMillis())       + "." + extensionName;     try {      InputStream is = filedate.getInputStream();      FileOutputStream fos = new FileOutputStream(new File(url,newFileName));      byte[] buffer = new byte[8192]; // 每次读8K字节      int count = 0;      // 开始读取上传文件的字节，并将其输出到服务端的上传文件输出流中      while ((count = is.read(buffer)) > 0) {       fos.write(buffer, 0, count); // 向服务端文件写入字节流      }      fos.close(); // 关闭FileOutputStream对象      is.close(); // InputStream对象     } catch (FileNotFoundException e) {        e.printStackTrace();     } catch (IOException e) {      e.printStackTrace();       }   }  }}

0 0