首页 > 代码库 > spring mvc 图片上传,图片压缩、跨域解决、 按天生成文件夹 ,删除，限制为图片代码等相关配置
spring mvc 图片上传,图片压缩、跨域解决、 按天生成文件夹 ,删除，限制为图片代码等相关配置
spring mvc 图片上传，跨域解决 按天生成文件夹 ,删除，限制为图片代码,等相关配置
fs.root=data/#fs.root=/home/dev/fs/#fs.root=D:/fs/#fs.domains=182=http://172.16.100.182:18080,localhost=http://localhost:8080
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd"> <beans default-lazy-init="false" default-autowire="no"> <!-- 图片上传配制 --> <bean id="fileUpload" class="com.xyt.gsm.utils.FileUpload"> <!-- 是否启用temp文件文件夹 --> <property name="UploadTemp" value=http://www.mamicode.com/"false"/> >package com.xyt.gsm.utils; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Image; import java.awt.image.BufferedImage; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.MalformedURLException; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Random; import java.util.UUID; import javax.imageio.ImageIO; import javax.servlet.http.HttpServletRequest; import jcifs.smb.SmbException; import jcifs.smb.SmbFile; import jcifs.smb.SmbFileOutputStream; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; import org.springframework.web.multipart.commons.CommonsMultipartResolver; import com.xyt.gsm.constant.Fs; import com.xyt.gsm.constant.Fs.UpoladStatus; /** * 图片上传 * * @author liangrui * * UploadTemp 假设为false 暂时所在文件夹被实际文件夹替换,假设为true 须要再做一次拷贝 * */ public class FileUpload { // 文件信息 /** 是否启用暂时文件文件夹 */ private static boolean UploadTemp = false; /** 文件上传相对 路径 */ private static String RELATIVEPATH = "relativePath"; /** 文件上传绝对 路径文件夹 */ private static String ABSOLUTEPATH = "absolutePath"; /** 实际文件所在文件夹 */ private static String realFilePath = "fs/"; /** 文件上传暂时所在文件夹 */ public static String UPLOADDIR = "fs/temp/"; /** 图片上传限制大小 */ public static Integer photoSize = 2097152;// /** 末知类型文件上限制大小 */ private static Integer otherSize = 100000000; /** 是否存放相对路径 **/ private static boolean RELATIVE_SAVE = false; // fied public void setUploadTemp(boolean uploadTemp) { UploadTemp = uploadTemp; } public void setPhotoSize(Integer photoSize) { FileUpload.photoSize = photoSize; } public void setOtherSize(Integer otherSize) { FileUpload.otherSize = otherSize; } public void setRealFilePath(String realFilePath) { if (UploadTemp == false) UPLOADDIR = realFilePath; FileUpload.realFilePath = realFilePath; } public void setUPLOADDIR(String uPLOADDIR) { if (UploadTemp == false) UPLOADDIR = realFilePath; else UPLOADDIR = uPLOADDIR; } public static void setRELATIVE_SAVE(boolean rELATIVE_SAVE) { RELATIVE_SAVE = rELATIVE_SAVE; } public static String getRealFilePath() { return realFilePath; } /** * * @param request * 上传文件的请求 * @param suffuxDir * 文件夹分配 * @param type * 上传文件的类型 * @param cutPhoto * 是否切图 * @return 上传后的文件路径 * @throws IllegalStateException * @throws IOException */ // =============================================================================================== // -----解析request 上传 返回上传后的文件把在路径 // ================================================================================================ public static List<String> fileUpload(HttpServletRequest request, String suffuxDir, String type) throws IllegalStateException, IOException { return fileUpload(request, suffuxDir, type, false); } public static List<String> fileUpload(HttpServletRequest request, String suffuxDir, String type, Boolean cutPhoto) throws IllegalStateException, IOException { // 上传文件的解析器 CommonsMultipartResolver mutiparRe = new CommonsMultipartResolver(); if (mutiparRe.isMultipart(request)) {// 假设是文件类型的请求 List<String> fileInfo = new ArrayList<String>(); MultipartHttpServletRequest mhr = (MultipartHttpServletRequest) request; // 按月分文件夹 DateFormat df = new SimpleDateFormat("yyyyMM"); String month = df.format(new Date()); // 获取路径 String uploadDir = ""; if (RELATIVE_SAVE) { uploadDir += (request.getSession().getServletContext().getRealPath("/")+FileUpload.realFilePath); }else { uploadDir += FileUpload.UPLOADDIR ; } uploadDir+=(suffuxDir + month + "/"); // 假设文件夹不存在，创建一个文件夹 if (!new File(uploadDir).exists()) { File dir = new File(uploadDir); dir.mkdirs(); } // 跌带文件名称称 Iterator<String> it = mhr.getFileNames(); while (it.hasNext()) { final MultipartFile mf = mhr.getFile(it.next()); // 获取一个文件 if (mf != null) { // 假设是图片类型文件上传 限制大小和类型 if (type.equals(Fs.FileUpLoadType.PHOTO)) { if (!checkingPhoto(mf)) { fileInfo.add(UpoladStatus.类型无效或图片过大.toString()); continue; } } else { if (mf.getSize() > otherSize) { fileInfo.add(UpoladStatus.类型无效或图片过大.toString()); continue; } } // 其他上传类型 另外做限制推断 String resFileName = mf.getOriginalFilename();// 获取原文件名称 // 取得文件名称和后辍 String suffix = ""; if (resFileName.indexOf(".") != -1) { suffix = resFileName.substring(resFileName.lastIndexOf(".") + 1); } String dian = "."; if ("".equals(suffix)) dian = ""; // 保存的文件名称 String uuid = rename(); String fileName = uuid + dian + suffix; File outFile = new File(uploadDir + fileName); // 路径加文件名称 +"/" mf.transferTo(outFile); // 保存到 if (cutPhoto) { final String dirAndUuid = uploadDir + uuid; final String dians = dian; final String suffixs = suffix; new Thread(new Runnable() { public void run() { try { copyImgSpecification(mf.getInputStream(), dirAndUuid, dians, suffixs); } catch (IOException e) { e.printStackTrace(); } } }).start(); } if (RELATIVE_SAVE) {// 相对路径文件夹 fileInfo.add("/" + FileUpload.realFilePath + suffuxDir + month + "/" + fileName);// 文件路径 } else {// 绝对路径文件夹 fileInfo.add("/" + suffuxDir + month + "/" + fileName);// 文件路径 } } } return fileInfo; } return null; } // ------------------------------------------------------------------------------------------------------------ // 复制图片 改变不同大小的规格 // ------------------------------------------------------------------------------------------------------------ public static void copyImgSpecification(InputStream is, String DirAnduuid, String dian, String suffix) throws IOException { Image img = ImageIO.read(is); FileOutputStream fos = null; for (int i = 0; i < Fs.FileUpLoadType.changePhotoSize.length; i++) { int w = Fs.FileUpLoadType.changePhotoSize[i]; // int h=imgSize[i]; String allPath = DirAnduuid + "_" + w + "x" + w + dian + suffix; if ("".equals(suffix)) { suffix = "jpg"; } fos = new FileOutputStream(allPath); // 输出到文件流 chagePhotoSize(allPath, img, fos, suffix, w, w); } img.flush(); // if(fos!=null){fos.close();} } // ---------------------------------------------------------------- // 检查图片类型上传和图片大小 // ---------------------------------------------------------------- public static boolean checkingPhoto(MultipartFile mf) throws IOException { if (!isImage(mf.getInputStream())) { // 推断是否为图片 // fileInfo.add("请上传有效图片文件");//提示信息 return false; } if (mf.getSize() > photoSize) { // fileInfo.add("图片大于"+(new // DecimalFormat("####.##").format(((double)photoSize)/1024/1024))+"MB上传失败");//提示信息 return false; } return true; } // 仅仅生成uuid 和后辍分开。切图时须要 public static String rename(/* String name */) { // 时分秒 /* * Long now = Long.parseLong(new SimpleDateFormat("yyyyMMddHHmmss") .format(new Date())); * Long random = (long) (Math.random() * now); String fileName = now + "" + random; */ // 不能设置种子值,应採用默认的方式(系统时间戳 ) final Random rd = new Random(); final Long random = rd.nextLong(); String num = String.valueOf(random); // 限制5个字符 int limit = 5; if (num.length() > limit) { num = num.substring(0, limit); } // uuid生成文件名称 UUID uuid = UUID.randomUUID(); // 加上 5位随机数 String uustr = uuid.toString().replace("-", "") + num; /* * if (name.indexOf(".") != -1) { uustr += name.substring(name.lastIndexOf(".")); } else { * return uustr; } */ return uustr; } // 更改文件名称称 public static String rename(String name) { // 时分秒 /* * Long now = Long.parseLong(new SimpleDateFormat("yyyyMMddHHmmss") .format(new Date())); * Long random = (long) (Math.random() * now); String fileName = now + "" + random; */ // 不能设置种子值,应採用默认的方式(系统时间戳 ) final Random rd = new Random(); final Long random = rd.nextLong(); String num = String.valueOf(random); // 限制5个字符 int limit = 5; if (num.length() > limit) { num = num.substring(0, limit); } // uuid生成文件名称 UUID uuid = UUID.randomUUID(); // 加上 5位随机数 String uustr = uuid.toString().replace("-", "") + num; if (name.indexOf(".") != -1) { uustr += name.substring(name.lastIndexOf(".")); } else { return uustr; } return uustr; } // =============================================================================================== // -----推断是否为图片 // ================================================================================================ public static boolean isImage(File imageFile) { if (!imageFile.exists()) { return false; } Image img = null; try { img = ImageIO.read(imageFile); if (img == null || img.getWidth(null) <= 0 || img.getHeight(null) <= 0) { return false; } return true; } catch (Exception e) { return false; } finally { img = null; } } public static boolean isImage(InputStream imageFile) { Image img = null; try { img = ImageIO.read(imageFile); if (img == null || img.getWidth(null) <= 0 || img.getHeight(null) <= 0) { return false; } return true; } catch (Exception e) { return false; } finally { img = null; } } // =============================================================================================== // -----删除 // ================================================================================================ public static int deleteFile(HttpServletRequest request, boolean cutPhoto, String... path) throws MalformedURLException, SmbException { // List<String> delList=new ArrayList<String>();//记录成功删除的文件名称 int delcount = 0; // 远程删除 if (realFilePath.length() > 3 && realFilePath.substring(0, 3).equals("smb")) { for (String pa : path) { SmbFile remoteFile = new SmbFile(pa); if (remoteFile.exists()) { remoteFile.delete(); delcount++; // 获取文件名称 // delList.add(p.substring(p.lastIndexOf("/")+1)); } } } else { // 获取当前根文件夹 本地删除 String proPath = ""; if (RELATIVE_SAVE) { proPath += request.getSession().getServletContext().getRealPath("/"); } else { proPath += FileUpload.UPLOADDIR; } for (String p : path) { File file = new File(proPath + p); if (file.exists()) { file.delete(); delcount++; // 获取文件名称 // delList.add(p.substring(p.lastIndexOf("/")+1)); // 删除小图 if (cutPhoto) { Integer[] xPhotoArr = Fs.FileUpLoadType.changePhotoSize; for (Integer imgSize : xPhotoArr) { String suffixs =""; String prefix=p; if(p.indexOf(".")!=-1){ suffixs = p.substring(p.lastIndexOf(".")); prefix = p.substring(0, p.lastIndexOf(".")); } String newP = prefix + "_" + imgSize + "x" + imgSize + suffixs; File filex = new File(proPath + newP); if (filex.exists()) { filex.delete(); delcount++; } } } } } } return delcount; } /** * * @param request * @param path * 暂时图片文件夹 * @param prefixDir * 前辍文件夹 比方 "商品ID文件夹,商品图片文件夹" * @return * @throws IOException */ // ------------------------------------------------------------------------------------------- // 把temp的图片文件复制到 真实存放文件文件夹/日期文件夹中 // ----------------------------------------------------------------------------------------------- public static String tempToupdateImgPath(HttpServletRequest request, String path, String... prefixDir) throws IOException { // 主文件夹 String rootDir = request.getSession().getServletContext().getRealPath("/"); File file = new File(rootDir + path);// 须要移动的图片 String realPath = "";// 实际图片地址 String dbPath = "";// 保存数据库 String fileName = path.substring(path.lastIndexOf("/") + 1);// 文件名称 // 加上前辍文件夹 StringBuffer appendDir = new StringBuffer(); for (String zdir : prefixDir) { appendDir.append(zdir + "/"); } // smb://username:password@192.168.0.77 // 假设是smb远程 上传远程server if (realFilePath.length() > 3 && realFilePath.substring(0, 3).equals("smb")) { dbPath = fileToRemoto(file, fileName, appendDir.toString()); } else { // 上传到本地server dbPath = realFilePath + appendDir.toString() + new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/"; realPath = rootDir + dbPath; if (!new File(realPath).exists()) { File dir = new File(realPath); dir.mkdirs(); } file.renameTo(new File(realPath + fileName)); } return "/" + dbPath + fileName; } // ------------------------------------------------------------------------------------------- // 通用smb 传送文件到远程 配制路径 前三个字符为 smb开头 // ----------------------------------------------------------------------------------------------- private static String fileToRemoto(File file, String fileName, String prefixDir) { InputStream in = null; OutputStream out = null; String returnPath = null; try { // 获取流 in = new BufferedInputStream(new FileInputStream(file)); String dateDir = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/"; SmbFile remoteFile = new SmbFile(realFilePath + dateDir); // ip+... String fixed = realFilePath.substring(realFilePath.indexOf('@') + 1); returnPath = fixed + prefixDir + dateDir + fileName; if (!remoteFile.exists()) { remoteFile.mkdirs(); } // 将远程的文件路径传入SmbFileOutputStream中 并用 缓冲流套接 String inputFilePath = remoteFile + "/" + fileName; // System.out.println("remoteFile: "+remoteFile); out = new BufferedOutputStream(new SmbFileOutputStream(inputFilePath)); byte[] buffer = new byte[1024]; while (in.read(buffer) != -1) { out.write(buffer); buffer = new byte[1024]; } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { try { if (in != null) { in.close(); } if (out != null) { out.close(); } } catch (IOException e) { e.printStackTrace(); } } return returnPath; } // ---------------------------------------------------------------------------------------- // 改变图片大小 // -------------------------------------------------------------------------------------- private static void chagePhotoSize(final String path, Image src/* FileInputStream is */, FileOutputStream fos, final String format, int w, int h) throws IOException { try { int old_w = src.getWidth(null); // 得到源图宽 int old_h = src.getHeight(null); int new_w = 0; int new_h = 0; // 得到源图长 double w2 = (old_w * 1.00) / (w * 1.00); double h2 = (old_h * 1.00) / (h * 1.00); /** * BufferedImage(,,) width - 所创建图像的宽度 height - 所创建图像的高度 imageType - 所创建图像的类型 */ // 图片跟据长宽留白。成一个正方形图。BufferedImage oldpic; if (old_w > old_h) { // BufferedImage.TYPE_INT_RGB; //0-13 oldpic = new BufferedImage(old_w, old_w, 1); } else { if (old_w < old_h) { oldpic = new BufferedImage(old_h, old_h, 1); } else { oldpic = new BufferedImage(old_w, old_h, 1); } } // 改变图片大小 Graphics2D g = oldpic.createGraphics(); g.setColor(Color.white); if (old_w > old_h) { /** * x - 要填充矩形的 x 坐标。
y - 要填充矩形的 y 坐标。 width - 要填充矩形的宽度。 height - 要填充矩形的高度。 */ g.fillRect(0, 0, old_w, old_w); /** * img - 要绘制的指定图像。
假设 img 为 null，则此方法不运行不论什么操作。 x - x 坐标。
y - y 坐标。
width - 矩形的宽度。 * height - 矩形的高度。
bgcolor - 在图像非透明部分下绘制的背景色。 observer - 当转换了很多其他图像时要通知的对象。 */ g.drawImage(src, 0, (old_w - old_h) / 2, old_w, old_h, Color.white, null); } else { if (old_w < old_h) { g.fillRect(0, 0, old_h, old_h); g.drawImage(src, (old_h - old_w) / 2, 0, old_w, old_h, Color.white, null); } else { // g.fillRect(0,0,old_h,old_h); /** * getScaledInstance() width - 将图像缩放到的宽度。
height - 将图像缩放到的高度。
hints - * 指示用于图像又一次取样的算法类型的标志。
*/ g.drawImage(src.getScaledInstance(old_w, old_h, Image.SCALE_SMOOTH), 0, 0, null); } } g.dispose(); src = http://www.mamicode.com/oldpic;>
package com.xyt.gsm.service.fs; import java.util.List; import javax.servlet.http.HttpServletRequest; import com.xyt.gsm.bean.common.ResultBean; import com.xyt.gsm.entity.mgr.User; public interface FileUploadService { String singleUpload(HttpServletRequest request, User user, String suffixDir, String type, Boolean cutPhoto) throws Exception;// List<?> MonyUpload(HttpServletRequest request, User user, String suffixDir);// int deleteFile(HttpServletRequest request, boolean cutPhoto, String... path); ResultBean deleteFileAnDb(HttpServletRequest request, String type, String id, boolean cutPhoto, String... path) throws Exception; String singleUpload(HttpServletRequest request, User user, String suffixDir, String type, Boolean cutPhoto, String merchantId) throws Exception;// List<String> singleUpload(HttpServletRequest request, String suffixDir, String type, Boolean cutPhoto, String merchantId) throws Exception;// void download(); }package com.xyt.gsm.service.fs.imp; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.xyt.gsm.bean.common.ResultBean; import com.xyt.gsm.constant.CommonConstants; import com.xyt.gsm.constant.DictConstants; import com.xyt.gsm.constant.Fs; import com.xyt.gsm.constant.Fs.UpoladStatus; import com.xyt.gsm.entity.mgr.User; import com.xyt.gsm.service.fs.FileUploadService; import com.xyt.gsm.service.mgr.DictService; import com.xyt.gsm.service.mgr.ProductPhotoService; import com.xyt.gsm.utils.FileUpload; public class FileUploadServiceImp implements FileUploadService { protected Log log = LogFactory.getLog(this.getClass().getName()); private ProductPhotoService productPhotoService; private DictService dictService; public void setProductPhotoService(ProductPhotoService productPhotoService) { this.productPhotoService = productPhotoService; } public void setDictService(DictService dictService) { this.dictService = dictService; } @Override public String singleUpload(HttpServletRequest request, User user, String suffixDir, String type, Boolean cutPhoto, String merchantId) throws Exception { String path = ""; // 图片上传类型 if (type.equals(Fs.FileUpLoadType.PHOTO)) { if (user == null) return UpoladStatus.上传失败末知错误.toString(); if ("".equals(merchantId) || merchantId == null) { // 运营人员操作 为 还有一文件夹下 if (CommonConstants.RoleType.OPERATER.equals(user.getUserType())) { //merchantId = Fs.FileDir.OPERATION_DIR; merchantId = ""; } else { //获取供应商id merchantId = user.getMerchantId(); } } // 推断数据字典里是否有该文件夹 Map<String, String> photos = (Map<String, String>) dictService.getDictMap(DictConstants.ClsCode.FS); if (!matchDir(photos, suffixDir)) { // suffixDir=FileDir.NOT_DIR; path=com.xyt.gsm.constant.Fs.UpoladStatus.文件文件夹未分配.name(); } else { // 商家id /处理 merchantId = manageSeparator(merchantId); // suffixdri suffixDir = manageSeparator(suffixDir); path = FileUpload.fileUpload(request, merchantId + suffixDir, Fs.FileUpLoadType.PHOTO, cutPhoto).get(0); } } return path; } @Override public String singleUpload(HttpServletRequest request, User user, String suffixDir, String type, Boolean cutPhoto) throws Exception { return singleUpload(request, user, suffixDir, type, cutPhoto, ""); } @Override public List<?> MonyUpload(HttpServletRequest request, User user, String suffixDir) { // TODO Auto-generated method stub return null; } @Override public int deleteFile(HttpServletRequest request, boolean cutPhoto, String... path) { return 0; } @Override public void download() { // TODO Auto-generated method stub } // 处理 / 前后有无/都能够 public String manageSeparator(String str) { if (str == null) str = ""; if (!"".equals(str)) {// --05/01/ // 不须要/ if (str.startsWith("/")) str = str.substring(1); // 要加上/ if (!str.endsWith("/")) str = str + "/"; } return str; } // ------------------------------------------- // 匹配前端的文件夹和数据库的文件夹是否一至，以防前后有无/问题 // ------------------------------------------- public boolean matchDir(Map<String, String> photos, String webDir) { if (photos == null) return false; if (webDir == null) webDir = ""; boolean isMatch = false; if (photos.containsKey(webDir)) return true; String temp = ""; // 不匹配的情况下！再进行前后/处理匹配 if (webDir.startsWith("/")) { // 前面 不要/ temp = webDir.substring(1); if (photos.containsKey(temp)) return true; } if (webDir.endsWith("/")) { // 后面 不要/ temp = webDir.substring(0, webDir.length() - 1); if (photos.containsKey(temp)) return true; } if (!webDir.endsWith("/")) { // 后面 要/ temp = webDir + "/"; if (photos.containsKey(temp)) return true; } if (!webDir.startsWith("/")) { // 前面 要/ temp = "/" + webDir; if (photos.containsKey(temp)) return true; } // 前面 后面要/ if (!webDir.startsWith("/") && !webDir.endsWith("/")) { temp = "/" + webDir + "/"; if (photos.containsKey(temp)) return true; } // 前面 后面 不要/ if (webDir.startsWith("/") && webDir.endsWith("/")) { temp = webDir.substring(1, webDir.length() - 1); if (photos.containsKey(temp)) return true; } return isMatch; } @Override public ResultBean deleteFileAnDb(HttpServletRequest request, String type, String id, boolean cutPhoto, String... path) throws Exception { ResultBean rb = new ResultBean(); if (type.equals(Fs.FileUpLoadType.PHOTO)) { // 删除数据 int count = productPhotoService.deleteByProductId(id); if (count > 0) { // 删除图片 int cou = FileUpload.deleteFile(request, cutPhoto, path); if (0 >= cou) { log.warn("id:" + id + ": 数据删除成功!图片删除失败"); } } else { rb.setSuccess(false); } } return rb; } @Override public List<String> singleUpload(HttpServletRequest request, String suffixDir, String type, Boolean cutPhoto, String merchantId) throws Exception { List<String> paths = null; // 图片上传类型 if (type.equals(Fs.FileUpLoadType.PHOTO)) { // 推断数据字典里是否有该文件夹 Map<String, String> photos = (Map<String, String>) dictService.getDictMap(DictConstants.ClsCode.FS); if (!matchDir(photos, suffixDir)) { // suffixDir=FileDir.NOT_DIR; // path=com.xyt.gsm.constant.Fs.UpoladStatus.文件文件夹未分配.name(); } else { // 商家id /处理 merchantId = manageSeparator(merchantId); // suffixdri suffixDir = manageSeparator(suffixDir); paths = FileUpload.fileUpload(request, merchantId + suffixDir, Fs.FileUpLoadType.PHOTO, cutPhoto); } } return paths; } }package com.xyt.gsm.mvc.controller.fs; import java.io.IOException; import java.io.PrintWriter; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import com.google.gson.JsonObject; import com.xyt.gsm.bean.common.ResultBean; import com.xyt.gsm.bean.mgr.FileUploadVo; import com.xyt.gsm.bean.mgr.LoginUser; import com.xyt.gsm.constant.CommonConstants; import com.xyt.gsm.constant.Fs; import com.xyt.gsm.constant.Fs.UpoladStatus; import com.xyt.gsm.entity.mgr.ProductPhoto; import com.xyt.gsm.entity.mgr.User; import com.xyt.gsm.mvc.controller.BaseController; import com.xyt.gsm.service.fs.FileUploadService; import com.xyt.gsm.service.ice.MerchantService; import com.xyt.gsm.utils.FileUpload; import com.xyt.gsm.utils.StringUtil; /** * 图片上传接口 controller * * @author liangrui * */ @Controller @RequestMapping(CommonConstants.UriPrefix.PC + CommonConstants.Menu.SYS + "/photoupload") public class PhotoUploadController extends BaseController { protected Log log = LogFactory.getLog(this.getClass().getName()); @Resource FileUploadService fileUploadService; @Resource MerchantService merchantService; // 多张上传 @ResponseBody @RequestMapping(value = http://www.mamicode.com/"/manyup")>
前端
部分相关代码
商品主图:<div class="upload" id="mainPicButton"> <form method="post" enctype="multipart/form-data" target="hidden_frame" id="formImg0"> <!-- <input type="file" name="file0" id="file0" onchange="submitUpload('0')" style="width:68px;height:22px;"> --> <input type="file" name="file0" id="file0" onchange="addOnePic('#mainPicButton')" style="width:68px;height:22px;"> <input type="hidden" name="idnum" value=http://www.mamicode.com/"0">><th><span>商品很多其它图片:</span></th> <td> <div id="morePicButton"> <form method="post" enctype="multipart/form-data" target="hidden_frame" id="formImg1"> <input type="file" name="file0" id="file0" onchange="addMorePic();" style="width:68px;height:22px;"> <input type="hidden" name="idnum" value=http://www.mamicode.com/"0">>
js://全局常量 var maxNoOfPics = 5; var picPrefix = "/fs"; //图片路径前缀 //全局变量 var imgNum = 0; //图片数量 var imgNo=0; //图片ID var hasMainPic = false; var origPics = new Array(); //当更新某商品时。保存原来图片的路径，用于在删除时推断是否须要延迟删除 //var domainStr=window.top.getLoginUser().merchantProductDomain; function getDomain(){ var domainSt=""; var userObj=window.top.getLoginUser(); if(userObj.user.userType=="0") { domainSt=userObj.publicUploadDomain; }else if(userObj.user.userType=="2"){ domainSt=userObj.merchantProductDomain; } // alert (domainSt); return domainSt; } function submitUpload(id){ $("#imgSrc" + id +"").attr("alt", "图片上传中……"); var imgID = id; if(id>0){ imgID = 1; } var form=document.getElementById("formImg" + imgID +""); form.method = "post"; form.idnum.value = http://www.mamicode.com/id;>"+window.top.getLoginUser().token; form.action = uriUp; //form.action = getContextPath()+"/pc/sys/photoupload/singleup"; //必须先包括sys.js文件 //用于返回 var currentHref=http://www.mamicode.com/window.location.href;>
"); return false; } addOnePic("#morePicButton"); } //删除图片（imgNo=0时为主图） function removeImg(imgNo){ var picPath=""; if($("#imgUrl"+ imgNo).val()!=undefined){ picPath=$("#imgUrl"+ imgNo).val(); $("#imgSrc" + imgNo).parent().remove(); } if(imgNo==0){ //删除主图 hasMainPic = false; //$("#imgSrc0").removeAttr("src"); //$("#imgSrc0").attr("alt","点击加入图片"); //$("#imgUrl0").removeAttr("value"); }else{ //删除其它图 imgNum--; } //假设是原图。则延迟server的删除（在提交时再删除） if(picPath != origPics[imgNo]){ delImg(picPath,true);//true 删除小图 } } //删除图片 function delImg(path, cutPhoto){ var reqStr=null; if(cutPhoto==true){ reqStr="path="+path+"&cutPhoto=true"; }else{ reqStr="path="+path+"&cutPhoto=false"; } $.post( getContextPath()+"/pc/sys/photoupload/delimg", reqStr, function(data){ }, 'json' ); } /**推断在数组中是否含有给定的一个变量值/对象 * array: 数组 * obj: 值/对象 */ function contains(array, obj) { for (var i = 0; i < array.length; i++) { if (array[i] === obj) { return true; } } return false; }
callback-up.html<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> </head> <body> <script type="text/javascript"> //alert(document.domain); var returndata=http://www.mamicode.com/self.location.hash.substring(1);>
spring mvc 图片上传,图片压缩、跨域解决、 按天生成文件夹 ,删除，限制为图片代码等相关配置
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