package mon;import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.io.*;/*** 图片上传工具类* Created by charlin on /9/10.*/public class UploadImageUtil {private String fileType;private Long maxSize;private Long width;private Long height;public UploadImageUtil() { }public UploadImageUtil(String fileType, Long maxSize, Long width, Long height) {this.fileType = fileType;this.maxSize = maxSize;this.width = width;this.height = height;}/*** 检查上传图像大小** @param upload* @param uploadFileName* @param uploadContentType* @return*/public String checkUploadImage(File upload, String uploadFileName, String uploadContentType) {try {if (fileType != null) {String[] fileTypes = fileType.split(",");int count = 0;for (int i = 0; i < fileTypes.length; i++) {if (uploadContentType.equals(fileTypes[i])) {count++;continue;}}if (count == 0) {return "您上传的文件类型不对!";}}BufferedImage bi = ImageIO.read(upload);int w = bi.getWidth();int h = bi.getHeight();if (w > width || h > height) {return "上传照片宽度和高度不符合要求";}if (upload.length() > maxSize) {return "上传照片过大";}} catch (IOException e) {e.printStackTrace();}return null;}/*** 图片上传** @param upload* @param uploadFileName* @param path* @return* @throws Exception*/public void uploadImage(File upload, String uploadFileName, String path) throws Exception {InputStream is = null;OutputStream os = null;try {is = new FileInputStream(upload);File f = new File(path);if (!f.exists()) f.mkdirs();os = new FileOutputStream(path + "/" + uploadFileName);byte buffer[] = new byte[1024];int count = 0;int flag = 0;while ((count = is.read(buffer)) > 0) {os.write(buffer, 0, count);}} catch (FileNotFoundException e) {} catch (IOException e) {File f = new File(path + "/" + uploadFileName);if (f.exists()) {f.delete();}} finally {try {os.close();is.close();} catch (IOException ioe) {}}}/*** 清除文件* @param path*/public void clear(String path) {File file = new File(path);if (file.isFile() && file.exists()) {file.delete();}}public String getFileType() {return fileType;}public void setFileType(String fileType) {this.fileType = fileType;}public Long getMaxSize() {return maxSize;}public void setMaxSize(Long maxSize) {this.maxSize = maxSize;}public Long getWidth() {return width;}public void setWidth(Long width) {this.width = width;}public Long getHeight() {return height;}public void setHeight(Long height) {this.height = height;}}
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