OSS上传图片

后台

package com.xiaohe.qd.controller;import java.io.File;import java.io.InputStream;import java.util.Random;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import net.sf.json.JSONObject;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.multipart.MultipartFile;import org.springframework.web.multipart.MultipartRequest;import com.aliyun.openservices.ClientException;import com.aliyun.openservices.ServiceException;import com.aliyun.openservices.oss.OSSClient;import com.aliyun.openservices.oss.OSSErrorCode;import com.aliyun.openservices.oss.OSSException;import com.aliyun.openservices.oss.model.CannedAccessControlList;import com.aliyun.openservices.oss.model.ObjectMetadata;import com.xiaohe.qd.util.Constants;import com.xiaohe.qd.util.ImageUtil;import com.xiaohe.qd.util.Property;@Controller@RequestMapping("/upload")@Scope("prototype")public class UploadController extends BaseController {public final static String savePath = Constants.DIR_TEMP;public final static Double width = 800.0;public final static Double height = 800.0;public final static Boolean largePic = false;public final static String[] types = new String[] { ".bmp", ".png", ".gif", ".jpeg", ".pjpeg", ".jpg" };public final static String[] fileType = new String[] { ".exe", ".jar", ".dll", ".jsp", ".class", ".sh", ".bat" };public final static long maxSize = 10000000;public final static long maxFileSize = 20000000;@RequestMapping(value = "/img.html", produces = "text/html;charset=UTF-8")@ResponseBodypublic String img(HttpServletRequest request, HttpServletResponse response) {MultipartRequest multipartRequest = (MultipartRequest) request;MultipartFile imgFile = multipartRequest.getFile("imgFile");String imgFileFileName = imgFile.getOriginalFilename();try {long size = imgFile.getSize();if (size > maxSize) {alert(response, 1, "图片应小于10M!");return null;}boolean admit = true;String fileType = ".jpg";for (int i = 0; i < types.length; i++) {if (types[i].equalsIgnoreCase(imgFileFileName.substring(imgFileFileName.lastIndexOf(".")))) {admit = false;if (types[i].endsWith(".gif"))fileType = ".gif";if (types[i].endsWith(".png"))fileType = ".png";}}if (admit) {alert(response, 1, "上传图片类型不正确!");return null;}String fileName = (System.currentTimeMillis() + (new Random(999999).nextLong())) + fileType;try {if (null == imgFile || size < 0) // 文件不存在时return null;String bucketName = "hhr360oss";// 使用默认的OSS服务器地址创建OSSClient对象。OSSClient client = new OSSClient(Property.getProperty("OSS_ACCESS_ID"), Property.getProperty("OSS_ACCESS_KEY"));ensureBucket(client, bucketName);ObjectMetadata objectMeta = new ObjectMetadata();objectMeta.setContentLength(imgFile.getSize());InputStream is = imgFile.getInputStream();client.putObject(bucketName, fileName, is, objectMeta);String saveUrl = Property.getProperty("OSS_URL") + fileName;JSONObject obj = new JSONObject();obj.put("fileName", imgFileFileName);obj.put("fileSize", (int) size / 1024);obj.put("error", 0);obj.put("url", saveUrl);obj.put("saveDir", saveUrl);writeJson(response, obj);return null;} catch (Exception e) {e.printStackTrace();alert(response, 1, "上传图片异常!");return null;}} catch (Exception e) {e.printStackTrace();}return null;}private static void ensureBucket(OSSClient client, String bucketName) throws OSSException, ClientException {try {// 创建bucketclient.createBucket(bucketName);client.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);} catch (ServiceException e) {if (!OSSErrorCode.BUCKES_ALREADY_EXISTS.equals(e.getErrorCode())) {// 如果Bucket已经存在，则忽略throw e;}}}/** * 图片压缩 *  * @param picFrom *            待压缩的图片保存路径 * @param picTo *            压缩后的图片保存路径 * @param width *            宽度 * @param height *            高度 * @throws Exception */public static void comPress(String picFrom, String picTo, double width, double height) throws Exception {ImageUtil.resize(picFrom, picTo, (int) width, (int) height);}/** * 图片压缩 作者：漆传涛 *  * @param savePath *            文件保存的真实路径 * @param oldFile *            压缩文件 * @param width *            文件压缩宽 * @param height *            文件压缩高 * @throws Exception */public void comPress(String savePath, File oldFile, double width, double height, boolean largePic) {try {if (!oldFile.exists()) // 文件不存在时return;String picFrom = oldFile.getAbsolutePath();int quality = (int) ((largePic ? 200000d : 80000d) / oldFile.length() * 100);if (quality >= 100) {quality = 0;} else {if (quality < 70) {quality = 50;}}ImageUtil.resize(picFrom, savePath, (int) width, (int) height, quality);} catch (Exception e) {e.printStackTrace();}}public void alert(HttpServletResponse response, int error, String msg) {try {response.setCharacterEncoding("utf-8");response.setContentType("text/html");JSONObject array = new JSONObject();array.put("error", error);array.put("message", msg);response.getWriter().write(array.toString());} catch (Exception e) {e.printStackTrace();}}}

package com.xiaohe.qd.util;import java.awt.image.BufferedImage;import java.io.File;import java.util.ArrayList;import java.util.List;import javax.imageio.ImageIO;import javax.servlet.http.HttpServletRequest;import net.sf.json.JSONObject;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.im4java.core.ConvertCmd;import org.im4java.core.IMOperation;/** *  * @author  *  */public class ImageUtil {private static Log log = LogFactory.getLog(ImageUtil.class);public static String imageMagickPath = null;static {imageMagickPath = "C:\\Program Files (x86)\\ImageMagick-6.7.9-Q8";}public final static int PHOTO_RATIO = 800; // 缩放图片系数/** * 剪切图片 *  * @param x *            坐标x * @param y *            坐标y * @param width *            宽度 * @param height *            高度 * @param oldPath *            相对路径 * @return 返回新的保存路径 * @throws Exception *             描述： 按照坐标要求裁剪图片。 */public final static String cutImage(HttpServletRequest request, int x, int y, int width, int height,String oldPath) throws Exception {if (oldPath == null)return null;String newPath = oldPath.replace(Constants.DIR_TEMP, Constants.DIR_PIC);String realPath = request.getServletContext().getRealPath(oldPath);String newRealPath = request.getServletContext().getRealPath(newPath);IMOperation op = new IMOperation();op.addImage(realPath);op.crop(width, height, x, y);op.addImage(newRealPath);runOp(op);return newPath;}/** * 计算字的长度 *  * @param text * @return */public static int getLength(String text) {int length = 0;for (int i = 0; i < text.length(); i++) {if ((text.charAt(i) + "").getBytes().length > 1) {length += 2;} else {length += 1;}}return length / 2;}/** * 图片压缩 *  * @param picFrom * @param picTo * @param widthdist * @param heightdist */public static void resize(String picFrom, String picTo, int widthdist,int heightdist) {resize(picFrom, picTo, widthdist, heightdist, 0);}/** * 图片压缩 *  * @param picFrom * @param picTo * @param widthdist * @param heightdist */public static void resize(String picFrom, String picTo, int widthdist,int heightdist, int quality) {try {BufferedImage bi = ImageIO.read(new File(picFrom));int new_w = bi.getWidth();int new_h = bi.getHeight();double rate = 1;if (new_w > widthdist) {rate = new_w / widthdist;new_h = (int)(new_h / rate);new_w = widthdist;}if (new_h > heightdist) {rate = new_h / heightdist;new_h = heightdist;new_w = (int)(new_w / rate);}resizeImage(picFrom, picTo, new_w, new_h, quality);} catch (RuntimeException e) {log.error(e.getMessage());} catch (Exception ex) {log.error(ex.getMessage());} catch (Throwable e) {log.error(e.getMessage());}}public static JSONObject getImgData(String picFrom) {return getImgWidthHeight(picFrom);}public static void resize(String picFrom, String picTo, int ratio)throws Exception {BufferedImage bi = ImageIO.read(new File(picFrom));// 原始图片属性int srcWidth = bi.getWidth();int srcHeight = bi.getHeight();// 生成图片属性int newWidth = srcWidth;int newHeight = srcHeight;// 如果超出最大宽或高就压缩if (srcWidth > ratio || newHeight > ratio) {// 生成图片width, height计算if (srcWidth >= srcHeight) {if (srcWidth < ratio) {return;}newWidth = ratio;newHeight = (ratio * srcHeight / srcWidth);} else {if (srcHeight < ratio) {return;}newHeight = ratio;newWidth = (ratio * srcWidth / srcHeight);}}resize(picFrom, picTo, newWidth, newHeight);}/** * 方法描述: 验证文件类型 *  * @param filename * @return */public static boolean validateImage(String filename) {// 定义可上传文件的 类型List<String> fileTypes = new ArrayList<String>();// 图片fileTypes.add("jpg");fileTypes.add("jpeg");fileTypes.add("bmp");fileTypes.add("gif");fileTypes.add("png");// 得到文件尾数 并 进行小写转换String postfix = filename.substring(filename.lastIndexOf(".") + 1).toLowerCase();return fileTypes.contains(postfix) ? true : false;}public static void resize(String picFrom, String picTo) throws Exception {resize(picFrom, picTo, PHOTO_RATIO);}public static void main(String[] args) throws Exception {// resizeImg("G:/xiaoguo/46留言反馈/此方.jpg", "G:/xiaoguo/46留言反馈/此方2.jpg",// 200, 200);resize("G:/xiaoguo/46留言反馈/此方.jpg", "G:/xiaoguo/46留言反馈/此方2.jpg", 200,200);// String img = "/temp/yancheng.jpg";// String imgtemp = img.substring(img.lastIndexOf("/")+1,// img.lastIndexOf("."));// System.out.println(imgtemp);}public static JSONObject getImgWidthHeight(String picFrom) {try {JSONObject obj = new JSONObject();BufferedImage bi = ImageIO.read(new File(picFrom));// 原始图片属性int srcWidth = bi.getWidth();int srcHeight = bi.getHeight();obj.put("width", srcWidth);obj.put("height", srcHeight);return obj;} catch (RuntimeException e) {log.error(e.getMessage());} catch (Exception ex) {log.error(ex.getMessage());} catch (Throwable e) {log.error(e.getMessage());}return null;}/** * 根据尺寸缩放图片 *  * @param width *            缩放后的图片宽度 * @param height *            缩放后的图片高度 * @param srcPath *            源图片路径 * @param newPath *            缩放后图片的路径 */public static void resizeImage(String srcPath, String newPath, int ratio)throws Exception {BufferedImage bi = ImageIO.read(new File(srcPath));// 原始图片属性int srcWidth = bi.getWidth();int srcHeight = bi.getHeight();// 生成图片属性int newWidth = srcWidth;int newHeight = srcHeight;// 如果超出最大宽或高就压缩if (srcWidth > ratio || newHeight > ratio) {// 生成图片width, height计算if (srcWidth >= srcHeight) {if (srcWidth < ratio) {return;}newWidth = ratio;newHeight = (ratio * srcHeight / srcWidth);} else {if (srcHeight < ratio) {return;}newHeight = ratio;newWidth = (ratio * srcWidth / srcHeight);}}resizeImage(srcPath, newPath, newWidth, newHeight,0);}/** * 根据尺寸缩放图片 *  * @param width *            缩放后的图片宽度 * @param height *            缩放后的图片高度 * @param srcPath *            源图片路径 * @param newPath *            缩放后图片的路径 */public static void resizeImage(String srcPath, String newPath, int width,int height,int quality) throws Exception {IMOperation op = new IMOperation();op.addImage(srcPath);op.resize(width, height);if(quality>0&&quality<100){op.quality(quality*1d);}op.addImage(newPath);runOp(op);}public static void resizeImage(String srcPath, String newPath, int width,int height) throws Exception {resize(srcPath, newPath, width, height, 0);}public static void runOp(IMOperation op) throws Exception {ConvertCmd convert = new ConvertCmd();//convert.setSearchPath(imageMagickPath);convert.run(op);}}

html

<!-- 上传头像弹窗 --><div  class="txFc"><div id="uploader-demo"><a class="uploader-clos">X</a>    <!--用来存放item-->    <div id="fileList" class="uploader-list"></div>    <input type="file" name="imgFile" id="filePicker" value="选择图片"/>    <div class="uploader-tip">格式：gif，jpg，jpeg，bmp，png </div>    <input type="hidden" name="userAvatar" id="userAvatar" value=""/></div></div>

js

<link href="${ctx}/js/uploadify-v2.1.4/uploadify.css" rel="stylesheet" type="text/css" /><script type="text/javascript" src="${ctx}/js/uploadify-v2.1.4/swfobject.js"></script><scripttype="text/javascript" src="${ctx}/js/uploadify-v2.1.4/jquery.uploadify.v2.1.4.min.js"></script><script type="text/javascript">jQuery("#filePicker").uploadify({'uploader' : '${ctx}/js/uploadify-v2.1.4/uploadify.swf?random=' + (new Date()).getTime(),'script' : '${ctx}/upload/img.html',//请求地址'cancelImg' : '${ctx}/js/uploadify-v2.1.4/cancel.png','fileDataName' : 'imgFile', //相当于  file 控件的 name'auto' : true,'multi' : false,'buttonImg' : '${ctx}/images/fileBtn.png','height' : '31','width' : '86','fileDesc' : '能上传的图片类型:jpg,gif,bmp,jpeg,png', //出现在上传对话框中的文件类型描述'fileExt' : '*.jpg;*.gif;*.bmp;*.jpeg;*.png', //控制可上传文件的扩展名，启用本项时需同时声明fileDesc'sizeLimit' : 3*1024*1024,onComplete:function(event,queueID,fileObj,response,data){var jsondata = eval("("+response+")");if(jsondata.error==1){Dialog.alert(jsondata.message);return false;}$(".txFc").hide();$(".user-tx img").attr("src", jsondata.saveDir);$("#userAvatar").val(jsondata.saveDir);//图片的地址$("#span1").html("已上传文件："+jsondata.fileName);$.post("${ctx}/ai/editUserAvatar.html",{userAvatar:$("#userAvatar").val()},function(data){if (data.success == 1) {globalTip("上传图片成功!");}}, "json");},'onSelect' : function(event,queueID, fileObj) {if (fileObj.size > 5*1024*1024) {Dialog.alert("图片"+ fileObj.name+ " 应小于5M");jQuery("#filePicker").uploadifyClearQueue();}}});</script>

效果图