头像的裁剪修改(可使用摄像头)与上传服务器(SSM实现)

package com.wucai.controller; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import java.io.*; import java.util.*; import java.text.*; import org.apache.commons.fileupload.*; import org.apache.commons.fileupload.disk.*; import org.apache.commons.fileupload.servlet.*; import org.apache.commons.fileupload.util.*; import com.alibaba.fastjson.*; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jmx.export.annotation.ManagedAttribute; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import com.wucai.mapper.UserMapper; import com.wucai.po.AddressCustom; import com.wucai.po.LoginCustom; import com.wucai.po.OrderCustom; import com.wucai.po.Result; import com.wucai.po.UserCustom; import com.wucai.po.UserImageCustom; import com.wucai.services.AddressService; import com.wucai.services.OrderService; import com.wucai.services.UserService; @Controller @RequestMapping("/user") public class UserController { @Autowired private UserService userService; @Autowired private AddressService addressService; @Autowired private OrderService orderService; @RequestMapping("/upload") public String upload(HttpServletRequest request) throws Exception{ String contentType = request.getContentType(); UserImageCustom userImageCustom = new UserImageCustom(); if ( contentType.indexOf("multipart/form-data") >= 0 ) { Result result = new Result(); result.avatarUrls = new ArrayList(); result.success = false; result.msg = "Failure!"; FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); FileItemIterator fileItems = upload.getItemIterator(request); //定义一个变量用以储存当前头像的序号 int avatarNumber = 1; //取服务器时间+8位随机码作为部分文件名，确保文件名无重复。 SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmssS"); String fileName = simpleDateFormat.format(new Date()); Random random = new Random(); String randomCode = ""; for ( int i = 0; i < 8; i++ ) { randomCode += Integer.toString(random.nextInt(36), 36); } fileName = fileName + randomCode; //基于原图的初始化参数 String initParams = ""; BufferedInputStream inputStream; BufferedOutputStream outputStream; //遍历表单域 while( fileItems.hasNext() ) { FileItemStream fileItem = fileItems.next(); String fieldName = fileItem.getFieldName(); //是否是原始图片 file 域的名称（默认的 file 域的名称是__source，可在插件配置参数中自定义。参数名：src_field_name） Boolean isSourcePic = fieldName.equals("__source"); //文件名，如果是本地或网络图片为原始文件名（不含扩展名）、如果是摄像头拍照则为 *FromWebcam //String name = fileItem.getName(); //当前头像基于原图的初始化参数（即只有上传原图时才会发送该数据），用于修改头像时保证界面的视图跟保存头像时一致，提升用户体验度。 //修改头像时设置默认加载的原图url为当前原图url+该参数即可，可直接附加到原图url中储存，不影响图片呈现。 if ( fieldName.equals("__initParams") ) { inputStream = new BufferedInputStream(fileItem.openStream()); byte[] bytes = new byte [inputStream.available()]; inputStream.read(bytes); initParams = new String(bytes, "UTF-8"); inputStream.close(); } //如果是原始图片 file 域的名称或者以默认的头像域名称的部分“__avatar”打头 else if ( isSourcePic || fieldName.startsWith("__avatar") ) { String virtualPath = "/upload/jsp_avatar" + avatarNumber + "_" + fileName + ".jpg"; //原始图片（默认的 file 域的名称是__source，可在插件配置参数中自定义。参数名：src_field_name）。 if( isSourcePic ) { result.sourceUrl = virtualPath = "/upload/jsp_source_" + fileName + ".jpg"; } //头像图片（默认的 file 域的名称：__avatar1,2,3...，可在插件配置参数中自定义，参数名：avatar_field_names）。 else { result.avatarUrls.add(virtualPath); avatarNumber++; } inputStream = new BufferedInputStream(fileItem.openStream()); ServletContext application=request.getServletContext(); outputStream = new BufferedOutputStream(new FileOutputStream(application.getRealPath("/") + virtualPath.replace("/", "\\"))); Streams.copy(inputStream, outputStream, true); inputStream.close(); outputStream.flush(); outputStream.close(); } } if ( result.sourceUrl != null ) { result.sourceUrl += initParams; } result.success = true; result.msg = "Success!"; userImageCustom.setImage(result.sourceUrl); userImageCustom.setImage1(result.avatarUrls.get(0).toString()); userImageCustom.setImage2(result.avatarUrls.get(1).toString()); userImageCustom.setImage3(result.avatarUrls.get(2).toString()); UserCustom userCustom = (UserCustom) request.getSession().getAttribute("userCustom"); userImageCustom.setUid(userCustom.getUid()); userService.updateUserImage(userImageCustom); userCustom = userService.findUserByUid(userCustom.getUid()); request.getSession().setAttribute("userCustom", userCustom); if(result.avatarUrls.size() > 0){ request.getSession().setAttribute("success", "success"); } } return "/jsp/index"; } }