第五周作业 项目的进展情况

 1 package cn.hp.base.dao;
 2 
 3 import java.io.Serializable;
 4 import java.lang.reflect.ParameterizedType;
 5 import java.util.List;
 6 
 7 import org.hibernate.Query;
 8 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
 9 
10 import cn.hp.core.page.PageResult;
11 import cn.hp.core.util.QueryHelper;
12 
13 public abstract class BaseDaoImpl<T> extends HibernateDaoSupport implements BaseDao<T> {
14      Class<T> clazz;
15        public BaseDaoImpl()
16        {//BaseDaoImpl<User>获取弗雷德简单类名
17            ParameterizedType pt=(ParameterizedType) this.getClass().getGenericSuperclass();
18            clazz=(Class<T>) pt.getActualTypeArguments()[0];//
19        }
20     
21     @Override
22     public void save(T entity) {
23         getHibernateTemplate().save(entity);
24     }
25 
26     @Override
27     public void update(T entity) {
28         getHibernateTemplate().update(entity);
29     }
30 
31     @Override
32     public void delete(Serializable id) {
33         // TODO Auto-generated method stub
34         
35     }
36 
37     @Override
38     public T findObjectById(Serializable id) {
39         return getHibernateTemplate().get(clazz, id);//getHibernateTemplate().get(clazz, id);
40     }
41 
42     @Override
43     public List<T> findAll() {
44          Query query = getSession().createQuery("from "+clazz.getSimpleName());
45          return query.list();
46     }
47     
48     @Override
49     public PageResult getPageResult(QueryHelper queryHelper, int pageNo,
50             int pageSize) {
51         System.out.println(queryHelper.getQueryListHql()+"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
52         Query query=getSession().createQuery(queryHelper.getQueryListHql());
53         List<Object> parameters=queryHelper.getParameters();
54         if(parameters!=null)
55         {
56             for(int i=0;i<parameters.size();i++)
57             {
58                 query.setParameter(i, parameters.get(i));
59             }
60         }
61         
62         if(pageNo<1) pageNo=1;
63         query.setFirstResult((pageNo-1)*pageSize);//设置数据的起始索引号
64         query.setMaxResults(pageSize);
65         List items= query.list();
66         //获取总记录数
67         Query queryCount=getSession().createQuery(queryHelper.getQuerycountHql());
68         if(parameters!=null)
69         {
70             for(int i=0;i<parameters.size();i++)
71             {
72                 queryCount.setParameter(i, parameters.get(i));
73             }
74         }
75          long tptalCount = (Long) queryCount.uniqueResult();
76          
77         return new PageResult(tptalCount, pageNo, pageSize, items);
78     }
79     
80 }

 1 package cn.hp.core.util;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 public class QueryHelper {
 7     //from子句
 8     private String fromClause="";
 9     //where子句
10     private String whereClause="";
11     //order by子句
12     private String orderByClause="";
13     
14     private List<Object> parameters;
15     //排序顺序
16     public static String ORDER_BY_DESC="DESC";
17     public static String ORDER_BY_ASC="ASC";
18     /*
19      * 构造from子句
20      * Class clazz实体类
21      * String alias实体类对应的别名
22      */
23     public QueryHelper(Class clazz,String alias)
24     {
25         fromClause="FROM "+clazz.getSimpleName()+" "+alias;
26     }
27     /*
28      * 构造where子句，
29      * condition查询条件语句，列如i.title like ?
30      * params查询条件中对应的查询条件值，例如：%标题%
31      */
32     public void addCondition(String condition,Object... params)
33     {//设置查询条件值到查询条件值集合中
34         if(whereClause.length()>1)
35         {
36             whereClause+=" AND "+condition;
37         }
38         else
39         {
40             whereClause=" WHERE "+condition;
41         }
42         if(parameters==null)
43         {
44             parameters=new ArrayList<Object>();
45         }
46         if(params!=null)
47         {
48             for(Object param:params)
49             {
50                 parameters.add(param);
51             }
52         }
53     }
54     public void addOrderByProperty(String property,String order)
55     {//
56         if(orderByClause.length()>1)
57         {
58             orderByClause+=","+property+" "+order;
59         }
60         else
61         {
62             orderByClause=" ORDER BY "+property+" "+order;
63         }
64     }
65     
66     //1.查询HQL语句
67     public String getQueryListHql()
68     {
69         return fromClause+whereClause+orderByClause;
70     }
71     
72     //1.查询HQL语句
73     public String getQuerycountHql()
74     {
75         return "SELECT count(*) "+fromClause+whereClause;
76     }
77     
78     //2.查询HQL语句？对应的条件值集合
79     public List<Object> getParameters()
80     {
81         return parameters;
82     }
83 
84 }

 1 package cn.hp.core.page;
 2 
 3 import java.util.ArrayList;
 4 import java.util.List;
 5 
 6 public class PageResult {
 7     //总记录数
 8     private long totalCount;
 9     //当前页号
10     private int pageNo;
11     //总页数
12     private int totalPageCount;
13     
14     //页大小
15     private int pageSize;
16     //列表记录
17     public List items;
18     //计算总页数
19     public PageResult(long totalCount, int pageNo, int pageSize, List items) {
20         //防止出现空指针异常
21         this.items = items==null?new ArrayList():items;
22         this.totalCount = totalCount;
23         this.pageSize = pageSize;
24         if(totalCount!=0)//计算总页数
25         {
26             int tem=(int)totalCount/pageSize;
27             this.totalPageCount =totalCount%pageSize==0?tem:tem+1;
28             this.pageNo=pageNo;
29         }
30         else
31         {
32             this.pageNo =0;
33         }
34     }
35     
36     public long getTotalCount() {
37         return totalCount;
38     }
39     public void setTotalCount(long totalCount) {
40         this.totalCount = totalCount;
41     }
42     public int getPageNo() {
43         return pageNo;
44     }
45     public void setPageNo(int pageNo) {
46         this.pageNo = pageNo;
47     }
48     public int getTotalPageCount() {
49         return totalPageCount;
50     }
51     public void setTotalPageCount(int totalPageCount) {
52         this.totalPageCount = totalPageCount;
53     }
54     public int getPageSize() {
55         if(pageSize<1) pageSize=1;
56         return pageSize;
57     }
58     public void setPageSize(int pageSize) {
59         this.pageSize = pageSize;
60     }
61     public List getItems() {
62         return items;
63     }
64     public void setItems(List items) {
65         this.items = items;
66     }
67  
68 }

 1 package cn.hp.stu.action;
 2 
 3 import cn.hp.core.page.PageResult;
 4 
 5 import com.opensymphony.xwork2.ActionSupport;
 6 
 7 public class BaseAction extends ActionSupport{
 8     
 9     protected PageResult pageResult;
10     private int pageNo;
11     private int pageSize;
12     protected String[] selectedRow;
13     
14     
15     public String[] getSelectedRow() {
16         return selectedRow;
17     }
18 
19     public void setSelectedRow(String[] selectedRow) {
20         this.selectedRow = selectedRow;
21     }
22 
23     private static int DEFAULT_PAGE_SIZE=3;
24     
25 
26     public PageResult getPageResult() {
27         return pageResult;
28     }
29 
30     public void setPageResult(PageResult pageResult) {
31         this.pageResult = pageResult;
32     }
33 
34     public int getPageSize() {
35         if(pageSize<1) pageSize=DEFAULT_PAGE_SIZE;
36         return pageSize;
37     }
38 
39     public void setPageSize(int pageSize) {
40         this.pageSize = pageSize;
41     }
42 
43     public int getPageNo() {
44         return pageNo;
45     }
46 
47     public void setPageNo(int pageNo) {
48         this.pageNo = pageNo;
49     }
50 }

  1 package cn.hp.stu.action;
  2 
  3 import java.io.File;
  4 import java.io.FileInputStream;
  5 import java.io.IOException;
  6 import java.io.InputStream;
  7 import java.util.Date;
  8 import java.util.List;
  9 
 10 import javax.annotation.Resource;
 11 import javax.servlet.ServletOutputStream;
 12 import javax.servlet.http.HttpServletResponse;
 13 
 14 import org.apache.commons.io.FileUtils;
 15 import org.apache.commons.lang.StringUtils;
 16 import org.apache.commons.logging.Log;
 17 import org.apache.commons.logging.LogFactory;
 18 import org.apache.struts2.ServletActionContext;
 19 
 20 import cn.hp.core.entity.Classinfo;
 21 import cn.hp.core.entity.Stu;
 22 import cn.hp.core.entity.StuWork;
 23 import cn.hp.core.entity.TeaWork;
 24 import cn.hp.core.stu.Constant;
 25 import cn.hp.core.util.QueryHelper;
 26 import cn.hp.stu.service.StuService;
 27 import cn.hp.stuwork.service.StuWorkService;
 28 import cn.hp.teawork.service.TeaWorkService;
 29 
 30 /*
 31  * 上传作业需修改
 32  */
 33 public class StuAction extends BaseAction{
 34     private Stu stu;//
 35     
 36     private String stuUserName;//学生的用户名
 37     private Integer stuScore;//学生的分数
 38     private String stuPassword;//密码
 39     private String mail;//邮箱
 40     
 41     private String fileName;//上传作业的文件名
 42      
 43     private String msg;//显示相应的错误消息
 44     
 45     private String username;
 46     private String password;
 47     private String RoleType;
 48     
 49     private File word;
 50     private String wordFileName;
 51     private String wordContentType;
 52     
 53     private Date submitTime;
 54     @Resource
 55     private StuService stuService; 
 56     
 57     private StuWork stuWork;
 58     @Resource
 59     private StuWorkService stuWorkService;
 60     
 61     private Classinfo classinfo;//查找学生的时候顺便把他的班级查找出来。
 62     
 63     @Resource
 64     private TeaWorkService teaWorkService;
 65     //顶部
 66     public String top()
 67     {
 68         
 69         return "top";
 70     }
 71     
 72     //左部的页面
 73     public String left()
 74     {
 75         return "left";
 76     }
 77     
 78     //跳转到学生注册界面
 79     public String registUI()
 80     {
 81         return "registUI";
 82     }
 83     
 84     //跳转到框架的主界面
 85     public String frame()
 86     {
 87         return "frame";
 88     }
 89     
 90     //跳转到教师发布信息的页面
 91     public String teaPub()
 92     {
 93         QueryHelper queryHelper=new QueryHelper(TeaWork.class, "t");
 94         queryHelper.addCondition("t.teaId =? or t.teaId =?", 1,2);
 95         pageResult=teaWorkService.findTeapubByStu(queryHelper,getPageNo(),getPageSize());
 96         return "teapubUI";
 97     }
 98     
 99     //加载教师评论
100     public String teacomm()
101     {
102         Stu stu=(Stu) ServletActionContext.getRequest().getSession().getAttribute(Constant.STU);
103         pageResult=stuWorkService.findCommentByStu("hepan",getPageNo(),getPageSize());
104         return "teacomm";
105     }
106     
107     //保存学生的注册信息
108     public String regist()
109     {
110         if(StringUtils.isNotBlank(stu.getStuUserName())&&StringUtils.isNotBlank(stu.getStuPassword()))
111         {
112             List<Stu> ls=stuService.fingStuByUsername(stu.getStuUserName());
113             if(ls.size()>0&&ls!=null)
114             {
115                 msg="用户已经存在";
116                 return "registUI";
117             }
118             stuService.save(stu);
119         }
120         else
121         {
122             msg="用户名或密码为空";
123             return "registUI";
124         }
125         return "home";
126     }
127 
128     
129     public String loginUI()
130     {
131         return "loginUI";
132     }
133     
134     //查询出分数前十的学生,跳转到转到榜样学习的界面
135     public String learn()
136     {
137         System.out.println("chaxun..................");
138         QueryHelper queryHelper=new QueryHelper(StuWork.class, "w");
139         queryHelper.addOrderByProperty("w.score ",QueryHelper.ORDER_BY_DESC);
140         pageResult=stuService.getPageResult(queryHelper,getPageNo(),getPageSize());
141         return "sup_listUI"; 
142     }
143     
144     //用户点击登陆之后执行的代码
145     public String login()
146     {
147         if(null!=RoleType&&RoleType.equals("rbStudent")&&StringUtils.isNotBlank(username)&&StringUtils.isNotBlank(password))
148         {
149             List<Stu> ls=stuService.fingStuByUsernameAndPassword(username,password);
150             if(ls.size()>0&&ls!=null)
151             {
152                 Stu st=ls.get(0);
153                 ServletActionContext.getRequest().getSession().setAttribute(Constant.STU, st);
154                 Log log = LogFactory.getLog(getClass());
155                 return "frame";
156             }
157             else
158             {
159                 setMsg("用户名或密码错误");
160             }
161             return "home";
162         }
163         else 
164         {
165             setMsg("亲输入用户名密码");
166         }
167         return "home";
168     }
169     
170     //跳转到学生列表界面
171     public String listUI()
172     {
173         QueryHelper queryHelper=new QueryHelper(Stu.class, " s ");
174         //从当前的Session中获取用户的信息，进行查找显示在相应的页面上
175 //        Stu stu1 = (Stu) ServletActionContext.getRequest().getSession().getAttribute(Constant.STU);
176 //        queryHelper.addCondition("s.stuUserName=? ", stu1.getStuUserName());
177         queryHelper.addCondition("s.stuUserName=? ", "hepan");
178         pageResult=stuService.getPageResult(queryHelper,getPageNo(),getPageSize());
179         return "listUI";
180     }
181     
182     //依据用户名搜索学生的信息
183     public String doSearch()
184     {
185         if(StringUtils.isNotBlank(stu.getStuUserName()))
186         {
187             QueryHelper queryHelper=new QueryHelper(Stu.class, "s");
188             queryHelper.addCondition(" s.stuUserName like ?", "%"+stu.getStuUserName()+"%");
189             pageResult=stuService.getPageResult(queryHelper,getPageNo(),getPageSize());
190         }
191         return "listUI";
192     }
193     
194     //跳转到编辑学生页面
195     public String editUI()
196     {
197         Stu stu1 = (Stu) ServletActionContext.getRequest().getSession().getAttribute(Constant.STU);
198         /*if(StringUtils.isNotBlank(stu.getStuUserName()))
199         {
200             stu=stuService.findObjectById(stu.getStuUserName());
201         }*/
202         stu=stuService.findObjectById("hepan");
203         return "editUI";
204     }
205     
206     //保存编辑
207     public String edit()
208     {
209         System.out.println(stu.getStuScore());
210         System.out.println(stu);
211         if(StringUtils.isNotBlank(stu.getStuUserName()))
212         {
213             stuService.update(stu);
214         }
215         return listUI();
216     }
217     
218     //处理上传文件的页面
219     public String upLoad()
220     {
221         String realPath = ServletActionContext.getServletContext().getRealPath("upload/stu");
222         System.out.println(realPath);
223         System.out.println(wordFileName);
224         try {
225             FileUtils.copyFile(word, new File(realPath, wordFileName));
226         } catch (IOException e) {
227             // TODO Auto-generated catch block
228             e.printStackTrace();
229         }
230         //把上传时间写入相应的表中
231         StuWork stuWork=new StuWork();
232         //设定学生提交作业的时间
233         Date time= new java.sql.Date(new java.util.Date().getTime());
234         
235         stuWork.setSubmitTime(time);
236         stuWork.setWorkPath(fileName);//保存学生上传的文件名
237         Stu stu = (Stu) ServletActionContext.getRequest().getSession().getAttribute(Constant.STU);//从Session里面获取学生
238         stuWork.setStu(stu);
239         
240         stuWork.setTeaWork(teaWorkService.findObjectById(1));
241         
242         stuWorkService.save(stuWork);
243         return listUI();
244     }
245     
246     //实现文件的下载
247     public void downLoad() throws IOException
248     {
249         HttpServletResponse response = ServletActionContext.getResponse();
250         response.setContentType("text/plain;charset=UTF-8");
251         response.setHeader("Content-Disposition", "attachment;filename="
252            +new String(this.fileName.getBytes(),"ISO-8859-1"));
253         String realPath = ServletActionContext.getServletContext().getRealPath("upload/tea/"+fileName);
254         InputStream in=new FileInputStream(realPath);
255         ServletOutputStream outputStream = response.getOutputStream();
256         byte [] buf=new byte[1024];
257         
258         while(in.read(buf)!=-1)
259         {
260             outputStream.write(buf);
261         }
262         if(in!=null)
263         {
264             in.close();
265         }
266         if(outputStream!=null)
267         {
268             outputStream.close();
269         }
270     }
271     
272     public File getWord() {
273         return word;
274     }
275 
276     public void setWord(File word) {
277         this.word = word;
278     }
279 
280     public String getWordFileName() {
281         return wordFileName;
282     }
283 
284     public void setWordFileName(String wordFileName) {
285         this.wordFileName = wordFileName;
286     }
287 
288     public String uploadUI()
289     {
290         return "uploadUI";
291     }
292     
293     public Stu getStu() {
294         return stu;
295     }
296 
297     public void setStu(Stu stu) {
298         this.stu = stu;
299     }
300 
301     public Integer getStuScore() {
302         return stuScore;
303     }
304 
305     public void setStuScore(Integer stuScore) {
306         this.stuScore = stuScore;
307     }
308 
309     public String getStuUserName() {
310         return stuUserName;
311     }
312 
313     public void setStuUserName(String stuUserName) {
314         this.stuUserName = stuUserName;
315     }
316 
317     public String getStuPassword() {
318         return stuPassword;
319     }
320 
321     public void setStuPassword(String stuPassword) {
322         this.stuPassword = stuPassword;
323     }
324 
325     public String getMsg() {
326         return msg;
327     }
328 
329     public void setMsg(String msg) {
330         this.msg = msg;
331     }
332     
333     public void addActionError(String anErrorMessage){
334            String s=anErrorMessage;
335            System.out.println(s+"TUUUUUUUUUUUUUUUUU");
336           }
337     
338    public void addActionMessage(String aMessage){
339        String s=aMessage;
340    }
341    
342    public void addFieldError(String fieldName, String errorMessage){
343        String s=errorMessage;
344        String f=fieldName;
345        System.out.println(f);
346     }
347 
348     public String getWordContentType() {
349         return wordContentType;
350     }
351     
352     public void setWordContentType(String wordContentType) {
353         this.wordContentType = wordContentType;
354     }
355     
356 
357     public String getFileName() {
358         return fileName;
359     }
360 
361     public void setFileName(String fileName) {
362         System.out.println(fileName);
363         this.fileName = fileName;
364     }
365     
366 
367 
368     public String getMail() {
369         return mail;
370     }
371 
372     public void setMail(String mail) {
373         this.mail = mail;
374     }
375 
376     public StuService getStuService() {
377         return stuService;
378     }
379 
380     public void setStuService(StuService stuService) {
381         this.stuService = stuService;
382     }
383 
384     public String getUsername() {
385         return username;
386     }
387 
388     public void setUsername(String username) {
389         this.username = username;
390     }
391 
392     public String getPassword() {
393         return password;
394     }
395 
396     public void setPassword(String password) {
397         this.password = password;
398     }
399 
400     public String getRoleType() {
401         return RoleType;
402     }
403 
404     public void setRoleType(String roleType) {
405         RoleType = roleType;
406     }
407 
408     public Date getSubmitTime() {
409         return submitTime;
410     }
411 
412     public void setSubmitTime(Date submitTime) {
413         this.submitTime = submitTime;
414     }
415 
416     public StuWork getStuWork() {
417         return stuWork;
418     }
419 
420     public void setStuWork(StuWork stuWork) {
421         this.stuWork = stuWork;
422     }
423     
424     
425     private String workId;//作业id
426     private TeaWork teaWork;//教师作业
427     private String workPath;//作业的提交路径
428     private Integer score;//分数
429     private String comment;//教师的品论
430     public String getWorkId() {
431         return workId;
432     }
433 
434     public void setWorkId(String workId) {
435         this.workId = workId;
436     }
437 
438     public TeaWork getTeaWork() {
439         return teaWork;
440     }
441 
442     public void setTeaWork(TeaWork teaWork) {
443         this.teaWork = teaWork;
444     }
445 
446     public String getWorkPath() {
447         return workPath;
448     }
449 
450     public void setWorkPath(String workPath) {
451         this.workPath = workPath;
452     }
453 
454     public Integer getScore() {
455         return score;
456     }
457 
458     public void setScore(Integer score) {
459         this.score = score;
460     }
461 
462     public String getComment() {
463         System.out.println(comment+"1111111111111111111");
464         return comment;
465     }
466 
467     public void setComment(String comment) {
468         this.comment = comment;
469     }
470 
471     public Classinfo getClassinfo() {
472         return classinfo;
473     }
474 
475     public void setClassinfo(Classinfo classinfo) {
476         this.classinfo = classinfo;
477     }
478     
479 }