前端请求File 选择图片上传
@RequestMapping("/save")@ResponseBodypublic Map<String,Object> addSync(HttpServletRequest request, HttpServletResponse response) throws TokenTimeoutException, TokenMissException {UserBean user = this.detectUserBean(request).getUserBean();logger.info("图片开始上传！111111111111111111111111");Map<String,Object> result = new HashMap<>();String timeRoute = new SimpleDateFormat("yyyy-MM-dd").format(new Date());String folder = "upload/"+user.getDefaultArea().getAreaCode()+"/replyPic/"+timeRoute + "/";try {MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;MultipartFile mf = multipartRequest.getFile("File");logger.info("图片开始上传！"+folder);Map<String, Object> a = FileUploadHandler.uploadPicHandler(mf, baseImgPath, folder,null);String picPath = a.get("picPath").toString();String ss = viewImgFileRootPath+picPath;logger.info("allPath->"+ss);a.put("allPath",viewImgFileRootPath+picPath);result.put("status",true);result.put("data",a );} catch (Exception e) {result.put("status",false);}return result;}package com.xjgzinfo.zhwwpt.s.util;import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;import javax.imageio.ImageIO;import org.apache.log4j.Logger;
import org.springframework.web.multipart.MultipartFile;import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageDecoder;public final class FileUploadHandler {private static final Color TRANSLUCENT = new Color(Color.TRANSLUCENT);private static Logger logger = Logger.getLogger(FileUploadHandler.class);private FileUploadHandler(String fileName) {}/*** * @Title: uploadPicHandler * @Description: 图片上传* @param multipartFile* @param targetDir 文件保存配置路径* @param uploadDir 自定义路径* @return* @return: Map<String,Object> code:0成功，1失败；error_message：失败提示内容；message：成功提示内容；picPath：成功相对路径，不包含文件保存配置路径*/public static Map<String,Object> uploadPicHandler(MultipartFile multipartFile,String targetDir,String uploadDir,String zplx){Map<String,Object> map = new HashMap<String,Object>();String fileSuffix = null;String originalFileName = multipartFile.getOriginalFilename();long originalFileSize = multipartFile.getSize();//验证图片后缀if(originalFileName.lastIndexOf(".") != -1){fileSuffix = multipartFile.getOriginalFilename().substring(multipartFile.getOriginalFilename().lastIndexOf("."));String tempFileSuffix = fileSuffix.substring(fileSuffix.lastIndexOf(".")+".".length());if(!verifyImageSuffix(tempFileSuffix)){map.put("code", "1");map.put("error_message", "非法的图片类型，仅允许后缀为jpg|jpeg|png|bmp|GIF|JPG|PNG|JPEG的类型图片");return map;}}else{map.put("code", "1");map.put("error_message", "非法的图片类型，仅允许后缀为jpg|jpeg|png|bmp|GIF|JPG|PNG|JPEG的类型图片");return map;}//验证图片大小if(originalFileSize >= 1024 * 1024 * 10){map.put("code", "1");map.put("error_message", "图片体积过大，请上传小于10M的图片");return map;}String targetFileName = System.currentTimeMillis()+fileSuffix;String targetFilePath = targetDir + uploadDir + targetFileName;File targetFile = new File(targetFilePath);if(!targetFile.getParentFile().exists()){targetFile.mkdirs();}try {
// multipartFile.transferTo(targetFile);//给图片增加水印if ("身份证（正面）".equals(zplx)) {JPEGImageDecoder jpegDecoder = JPEGCodec.createJPEGDecoder(multipartFile.getInputStream());BufferedImage buffImg = jpegDecoder.decodeAsBufferedImage();int width = buffImg.getWidth();int height = buffImg.getHeight();// 创建相同大小的画图BufferedImage image = new BufferedImage(width, height,BufferedImage.TYPE_INT_ARGB);Graphics2D g = image.createGraphics();g.setBackground(TRANSLUCENT);g.dispose();WaterMarkImage wk = new WaterMarkImage();wk.drawString(image,"本图片仅限《XXXXX》使用！本图片仅限《XXXX》使用！本图片仅限《XXXX》使用！本图片仅限《XXXX》使用！本图片仅限《XXXXXX》使用！");Graphics2D gg = buffImg.createGraphics();gg.drawImage(image, 0, 0, null);g.dispose();ImageIO.write(buffImg, "jpg", targetFile);} else {multipartFile.transferTo(targetFile);}} catch (Exception ex) {ex.printStackTrace();map.put("code", "1");map.put("error_message", "上传图片异常");}logger.info("上传的目标的文件："+targetFile);if(targetFile.exists()){map.put("code", "0");map.put("message", "上传图片成功");map.put("picPath", uploadDir+targetFileName);map.put("absolutePath", targetFile.getAbsolutePath());}else{map.put("code", "1");map.put("error_message", "上传图片失败");}return map;}/*** 验证图片后缀* @param fileSuffix* @return*/public static boolean verifyImageSuffix(String fileSuffix){boolean flag = false;String imageSuffix = "jpg|jpeg|png|bmp|GIF|JPG|PNG|JPEG";if(fileSuffix != null && fileSuffix.trim().length() > 0){flag = imageSuffix.contains(fileSuffix.trim());}return flag;}public static Map<String,Object> uploadFileHandler(MultipartFile multipartFile,String targetDir,String uploadDir){Map<String,Object> map = new HashMap<String,Object>();String fileSuffix = null;String originalFileName = multipartFile.getOriginalFilename();long originalFileSize = multipartFile.getSize();fileSuffix = multipartFile.getOriginalFilename().substring(multipartFile.getOriginalFilename().lastIndexOf("."));String targetFileName = System.currentTimeMillis()+fileSuffix;String targetFilePath = targetDir + uploadDir + targetFileName;File targetFile = new File(targetFilePath);if(!targetFile.getParentFile().exists()){targetFile.mkdirs();}try {multipartFile.transferTo(targetFile);} catch (Exception ex) {map.put("code", "1");map.put("error_message", "上传文件异常");}logger.info("上传的目标的文件："+targetFile);if(targetFile.exists()){map.put("code", "0");map.put("message", "上传文件成功");map.put("picPath", uploadDir+targetFileName);map.put("absolutePath", targetFile.getAbsolutePath());}else{map.put("code", "1");map.put("error_message", "上传文件失败");}return map;}/*** 微信公众平台下载多媒体文件* @param downloadMediaUrl //接口地址* @param savePath //本地服务器保存地址* @author * @throws Exception */public static Map<String,Object> downloadMedia(String downloadMediaUrl,String savePath){Map<String,Object> resp = new HashMap<String,Object>();try {System.out.println("==下载图片路径==>"+downloadMediaUrl);// 拼装请求地址URL url = new URL(downloadMediaUrl);HttpURLConnection con = (HttpURLConnection) url.openConnection();con.setRequestMethod("GET"); // 以Post方式提交表单，默认get方式con.setDoInput(true);con.setDoOutput(true);con.setUseCaches(false); // post方式不能使用缓存BufferedInputStream bis = new BufferedInputStream(con.getInputStream());File saveFie = new File(savePath);if (!saveFie.getParentFile().exists()){saveFie.getParentFile().mkdirs();}FileOutputStream fos = new FileOutputStream(saveFie);byte[] buf = new byte[8096];int size = 0;while ((size = bis.read(buf)) != -1)fos.write(buf, 0, size);fos.close();bis.close();con.disconnect();System.out.println("==下载媒体文件成功，filePath==>" + saveFie);resp.put("code", "0");} catch (Exception e) {resp.put("code", "1");e.printStackTrace();}return resp; }}
