校园微博基于J2EE MVC框架 JSP SQLServer2000

package campus_weibo_Servlet; import java.awt.Image; import java.awt.image.BufferedImage; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Calendar; import java.awt.image.*; import com.sun.image.codec.jpeg.*; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import campus_weibo_bean_cl.Friend_chat_id_cl; import campus_weibo_bean_cl.Weibo_theme_cl; import campus_weibo_bean_cl.Weibo_user_cl; import campus_weibo_bean_cl.Weibo_cl; import campus_weibo_bean_model.MyInfo; import campus_weibo_bean_model.Search_theme; import campus_weibo_bean_model.Weibo_user; import campus_weibo_bean_model.My_friend_weibo; import campus_weibo_bean_cl.School_cl; //上传文件要用的类 import javax.servlet.RequestDispatcher; import javax.servlet.ServletConfig; import javax.servlet.ServletContext; import com.jspsmart.upload.File; import com.jspsmart.upload.SmartUpload; import com.jspsmart.upload.SmartUploadException; public class UserServlet extends HttpServlet { /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=gbk"); request.setCharacterEncoding("gbk"); //response.setCharacterEncoding("UTF-8"); //得到要处理的类型 String flag=request.getParameter("flag"); //总页面数 if(flag==null){ //搜索微博主题 //搜索按钮的违规操作 request.setAttribute("msg", "不合法操作，请输入搜索内容后点击搜索按钮！"); ServletContext application = this.getServletContext(); RequestDispatcher rd=application.getRequestDispatcher("/SearchResult2.jsp"); rd.forward(request, response); }else if(flag.equals("submitRequest")){ //注册 SmartUpload smartUpload=new SmartUpload(); //初始化 long file_size_max=4000000; String fileName2=""; String ext=""; String testvar=""; String url="myFace/"; ServletConfig config=this.getServletConfig(); smartUpload.initialize(config, request, response); String avatar="";//; try{ smartUpload.setAllowedFilesList("gif,jpg,bmp,JPG");//只允许上传这两类文件 //上传文件 smartUpload.upload(); //得到上传的文件对象 File smartFile=smartUpload.getFiles().getFile(0); if(smartFile.isMissing()){ //上传的图片由于网络问题丢失了 }else{ //取得上传文件 的文件名称 String fileName=smartFile.getFieldName(); //取得上传文件的后缀名 ext=smartFile.getFileExt(); int fileSize=smartFile.getSize(); String saveUrl="";//保存图片的路径 if(fileSize<file_size_max){ //以当前上传时间的毫秒数来更改文件名 Calendar calendar=Calendar.getInstance(); String fileName3=String.valueOf(calendar.getTimeInMillis()); saveUrl=request.getRealPath("/")+url; saveUrl+=fileName3+"."+ext;//文件保存的路径 //保存文件 smartFile.saveAs(saveUrl,smartUpload.SAVE_PHYSICAL); avatar=fileName3+"."+ext; } } }catch(Exception e){ e.printStackTrace(); } String Email=smartUpload.getRequest().getParameter("Email"); String password=smartUpload.getRequest().getParameter("password"); String User_nick_name=smartUpload.getRequest().getParameter("User_nick_name"); String SchoolName=smartUpload.getRequest().getParameter("School");// String sex=smartUpload.getRequest().getParameter("Sex"); //这个要用到上面上传文件的路径 //以<img src="img/people.png" alt="头像" title="头像" />的形式赋值给avatar //但需要一个函数对里面的双引号进行\转义 Weibo_user_cl addNew=new Weibo_user_cl(); School_cl sc=new School_cl(); int SchoolId=sc.checkSchoolExist(SchoolName); int lockStatus=0; if(addNew.checkEmail(Email)){ //返回一个已存在该用户的信息提示 request.setAttribute("errorMsg", "这个邮箱已经注册！！！"); request.getRequestDispatcher("Register.jsp").forward(request, response); }else { if(SchoolId!=0){ if(addNew.addUser(User_nick_name, password, Email, sex, avatar,SchoolId,lockStatus)>0){//1是学校id //对学校用户数加1 addNew.addStudentNum(SchoolId); //返回成功的提示 request.setAttribute("success", "恭喜你注册成功，请登录"); request.getRequestDispatcher("Login.jsp").forward(request, response); } else{ request.setAttribute("errorMsg", "由于网络拥挤原因您的注册失败了！！！"); request.getRequestDispatcher("Register.jsp").forward(request, response); } }else{ lockStatus=1; addNew.addUser(User_nick_name, password, Email, sex, avatar,37,lockStatus);//增加新用户，但是加锁，但学校注册了之后再解锁 //13是临时存放学校的Id int userId=addNew.getUserIdByEmail(Email); request.getSession().setAttribute("userId", userId+""); request.setAttribute("schoolName", SchoolName); String fail="你的学校不存在，请注册该学校！"; request.setAttribute("fail",fail); request.getRequestDispatcher("RegisterSchool.jsp").forward(request, response); } } }else if(flag.equals("getBackIndex")){ //生成UserBeanCl Weibo_cl wbc=new Weibo_cl(); //生成大学School_cl的对象 School_cl sc=new School_cl(); //pageCount=wbuc.getPageCount(); ArrayList al=wbc.getWeiboByPage(1); int pageCount=wbc.getPageCount(); int userId=Integer.parseInt((String)request.getSession().getAttribute("userId")); //获得用户好友微博,刚登录时，pageNow是1 ArrayList al2=wbc.getMyFriendWeibo(userId,1); //获得热门大学的al ArrayList al3=sc.getHotSchool(); int pageCount2=wbc.getMyFriendWeibo(userId); //获取热门微博主题排列 Weibo_theme_cl wtc=new Weibo_theme_cl(); ArrayList al4=wtc.hotTheme(); request.setAttribute("pageNow", 1+""); request.setAttribute("pageCount", pageCount+""); request.setAttribute("pageCount2", pageCount2+""); //大厅的微博 request.setAttribute("showWeibo", al); //好友的微博 request.setAttribute("friendWeibo", al2); //热门大学的前7个 request.setAttribute("hotSchool", al3); //热门微博主题前7个 request.setAttribute("hotTheme", al4); request.getRequestDispatcher("Index.jsp").forward(request, response); }else if(flag.equals("getMyWeibo")){ int pageNow=Integer.parseInt(request.getParameter("pageNow")); int userId=Integer.parseInt((String)request.getSession().getAttribute("userId")); //获得我的微博，按时间顺序，最新发布的微博显示在最前 Weibo_cl wc=new Weibo_cl(); ArrayList al=wc.getAllMyWeibo(pageNow, userId); Weibo_user_cl wuc=new Weibo_user_cl(); //获得好友列表信息 ArrayList al2=wuc.getMyFriendInfo(pageNow,userId); //获得我的个人信息 MyInfo mi=wuc.getMyInfo(userId); //获得好友pageCount int myFriendPageCount = wuc.getMyFriendPageCount(userId); int pageCount=wc.getAllMyWeiboPageCount(userId); //获得我的悄悄话记录 Friend_chat_id_cl fcid=new Friend_chat_id_cl(); ArrayList al3=fcid.getMyChatRecord(userId, 1); request.setAttribute("myChatRecord", al3); String friendNickName=fcid.getfriendNickName(userId, pageNow); int recordPageCount=fcid.getMyFriendNum(userId); //获得我和第一个好有的chatId1和chatId2 int friendId=fcid.getFirstFriendId(userId, pageNow); int chatId1=fcid.getChat_id(userId, friendId); int chatId