《基于J2EE Struts框架的課程設(shè)計(jì)實(shí)訓(xùn)項(xiàng)目——BBS論壇系統(tǒng)——構(gòu)建系統(tǒng)持久層中各個實(shí)體PO類第1部分》由會員分享，可在線閱讀，更多相關(guān)《基于J2EE Struts框架的課程設(shè)計(jì)實(shí)訓(xùn)項(xiàng)目——BBS論壇系統(tǒng)——構(gòu)建系統(tǒng)持久層中各個實(shí)體PO類第1部分（31頁珍藏版）》請?jiān)谘b配圖網(wǎng)上搜索。

1、楊教授大學(xué)堂 精心創(chuàng)作的優(yōu)秀程序員 職業(yè)提升必讀系列資料 基于J2EE Struts框架的課程設(shè)計(jì)實(shí)訓(xùn)項(xiàng)目——《BBS論壇系統(tǒng)》——構(gòu)建系統(tǒng)持久層中各個實(shí)體PO類（第1/2部分） 1.1.1 構(gòu)造出本W(wǎng)eb項(xiàng)目中的DAO層的各個實(shí)體PO類組件 1、本項(xiàng)目中的各個PO的類圖 2、在數(shù)據(jù)訪問層中添加各個PO類——建立UserInfoBasePO實(shí)體類 （1）UserInfoBasePO基類，包名稱為com.px1987.webbbs.dao，并實(shí)現(xiàn)java.io.Serializable接口 （2）添加下面的各個成員屬性 private String id; priva

2、te String userName; private String userPassWord; private int userType; private String aliaoName; private String passWordAsk; private String userImage; private String registerTime; private String passWordAnswer; private String userMail; private int userSex; private String userBi

3、rthDay; private String userComeFrom; private String userResume; （3）并為這些成員屬性提供get/set方法 （4）最后產(chǎn)生出下面的代碼 package com.px1987.webbbs.dao; public class UserInfoBasePO implements java.io.Serializable { private static final long serialVersionUID = 1L; private String id; private Stri

4、ng userName; private String userPassWord; private int userType; private String aliaoName; private String passWordAsk; private String userImage; private String registerTime; private String passWordAnswer; private String userMail; private int userSex; private String userBirthDay;

5、 private String userComeFrom; private String userResume; public UserInfoBasePO() { } public String getAliaoName() { return aliaoName; } public void setAliaoName(String aliaoName) { this.aliaoName = aliaoName; } public String getId() { return id; } public void setId(Strin

6、g id) { this.id = id; } public String getPassWordAnswer() { return passWordAnswer; } public void setPassWordAnswer(String passWordAnswer) { this.passWordAnswer = passWordAnswer; } public String getPassWordAsk() { return passWordAsk; } public void setPassWordAsk(String pas

7、sWordAsk) { this.passWordAsk = passWordAsk; } public String getRegisterTime() { return registerTime; } public void setRegisterTime(String registerTime) { this.registerTime = registerTime; } public String getUserBirthDay() { return userBirthDay; } public void setUserBirthD

8、ay(String userBirthDay) { this.userBirthDay = userBirthDay; } public String getUserComeFrom() { return userComeFrom; } public void setUserComeFrom(String userComeFrom) { this.userComeFrom = userComeFrom; } public String getUserImage() { return userImage; } public void set

9、UserImage(String userImage) { this.userImage = userImage; } public String getUserMail() { return userMail; } public void setUserMail(String userMail) { this.userMail = userMail; } public String getUserName() { return userName; } public void setUserName(String userName) {

10、 this.userName = userName; } public String getUserPassWord() { return userPassWord; } public void setUserPassWord(String userPassWord) { this.userPassWord = userPassWord; } public String getUserResume() { return userResume; } public void setUserResume(String userResume) {

11、 this.userResume = userResume; } public int getUserSex() { return userSex; } public void setUserSex(int userSex) { this.userSex = userSex; } public int getUserType() { return userType; } public void setUserType(int userType) { this.userType = userType; } @Override

12、 public int hashCode() { final int PRIME = 31; int result = 1; result = PRIME * result + ((aliaoName == null) ? 0 : aliaoName.hashCode()); result = PRIME * result + ((id == null) ? 0 : id.hashCode()); result = PRIME * result + ((passWordAnswer == null) ? 0 : passWordAnswer.hashCode())

13、; result = PRIME * result + ((passWordAsk == null) ? 0 : passWordAsk.hashCode()); result = PRIME * result + ((registerTime == null) ? 0 : registerTime.hashCode()); result = PRIME * result + ((userBirthDay == null) ? 0 : userBirthDay.hashCode()); result = PRIME * result + ((userComeFrom =

14、= null) ? 0 : userComeFrom.hashCode()); result = PRIME * result + ((userImage == null) ? 0 : userImage.hashCode()); result = PRIME * result + ((userMail == null) ? 0 : userMail.hashCode()); result = PRIME * result + ((userName == null) ? 0 : userName.hashCode()); result = PRIME * result

15、+ ((userPassWord == null) ? 0 : userPassWord.hashCode()); result = PRIME * result + ((userResume == null) ? 0 : userResume.hashCode()); result = PRIME * result + userSex; result = PRIME * result + userType; return result; } @Override public boolean equals(Object obj) { if (this

16、== obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; final UserInfoBasePO other = (UserInfoBasePO) obj; if (aliaoName == null) { if (other.aliaoName != null) return false; } else if (!aliaoName.equals(other.aliaoName)

17、) return false; if (id == null) { if (other.id != null) return false; } else if (!id.equals(other.id)) return false; if (passWordAnswer == null) { if (other.passWordAnswer != null) return false; } else if (!passWordAnswer.equals(other.passWordAnswer)) return

18、 false; if (passWordAsk == null) { if (other.passWordAsk != null) return false; } else if (!passWordAsk.equals(other.passWordAsk)) return false; if (registerTime == null) { if (other.registerTime != null) return false; } else if (!registerTime.equals(other.registerT

19、ime)) return false; if (userBirthDay == null) { if (other.userBirthDay != null) return false; } else if (!userBirthDay.equals(other.userBirthDay)) return false; if (userComeFrom == null) { if (other.userComeFrom != null) return false; } else if (!userComeFrom.eq

20、uals(other.userComeFrom)) return false; if (userImage == null) { if (other.userImage != null) return false; } else if (!userImage.equals(other.userImage)) return false; if (userMail == null) { if (other.userMail != null) return false; } else if (!userMail.equals

21、(other.userMail)) return false; if (userName == null) { if (other.userName != null) return false; } else if (!userName.equals(other.userName)) return false; if (userPassWord == null) { if (other.userPassWord != null) return false; } else if (!userPassWord.equals

22、(other.userPassWord)) return false; if (userResume == null) { if (other.userResume != null) return false; } else if (!userResume.equals(other.userResume)) return false; if (userSex != other.userSex) return false; if (userType != other.userType) return false; r

23、eturn true; } } 3、在數(shù)據(jù)訪問層中添加各個PO類——建立UserInfoPO實(shí)體類 （1）UserInfoPO類，包名稱為com.px1987.webbbs.dao 并繼承于com.px1987.webbbs.dao.UserInfoBasePO基類 （2）添加下面的各個成員屬性 private Map contactMethod = new HashMap(); private String userSign; private int emailVisible; private int acceptAdvise; （3）并為這些成員屬性提供g

24、et/set方法 （4）最后產(chǎn)生出下面的代碼 package com.px1987.webbbs.dao; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; public class UserInfoPO extends UserInfoBasePO { private Map contactMethod = new HashMap(); private Stri

25、ng userSign; private int emailVisible; private int acceptAdvise; public UserInfoPO() { } public int getAcceptAdvise() { return acceptAdvise; } public void setAcceptAdvise(int acceptAdvise) { this.acceptAdvise = acceptAdvise; } public Map getContactMethod() { return contact

26、Method; } public void setContactMethod(Map contactMethod) { this.contactMethod = contactMethod; } public int getEmailVisible() { return emailVisible; } public void setEmailVisible(int emailVisible) { this.emailVisible = emailVisible; } public String getUserSign() { return

27、 userSign; } public void setUserSign(String userSign) { this.userSign = userSign; } public void addOneContactMethod(String oneContactMethodKey,String oneContactMethodValue) { //該方法為“幫助方法” contactMethod.put(oneContactMethodKey,oneContactMethodValue); } public String getOneContactMe

28、thod(String oneContactMethodKey) { //該方法為“幫助方法” return (String)contactMethod.get(oneContactMethodKey); } //在“一”端（UserInfo）的PO類中增加一個“多”端（BBSInfo）的集合對象的屬性 private Set bbsInfos = new HashSet(); public Set getBbsInfos(){ return bbsInfos; } public void setBbsInfos(Set bbsInfos) {

29、 this.bbsInfos = bbsInfos; } public ArrayList getBBSInfoSByUser(){ //利用該方法可以獲得該用戶所發(fā)表的BBS信息 ArrayList allBBSInfosByOneUser=null; allBBSInfosByOneUser=new ArrayList(); java.util.Iterator allBBSInfoItemIterator = getBbsInfos().iterator(); while(allBBSInfoItemIterator.hasNext()){

30、BBSInfoPO oneBBSInfo=(BBSInfoPO)allBBSInfoItemIterator.next(); allBBSInfosByOneUser.add(oneBBSInfo); } return allBBSInfosByOneUser; } @Override public int hashCode() { final int PRIME = 31; int result = super.hashCode(); result = PRIME * result + acceptAdvise; result = PR

31、IME * result + ((bbsInfos == null) ? 0 : bbsInfos.hashCode()); result = PRIME * result + ((contactMethod == null) ? 0 : contactMethod.hashCode()); result = PRIME * result + emailVisible; result = PRIME * result + ((userSign == null) ? 0 : userSign.hashCode()); return result; } @Overr

32、ide public boolean equals(Object obj) { if (this == obj) return true; if (!super.equals(obj)) return false; if (getClass() != obj.getClass()) return false; final UserInfoPO other = (UserInfoPO) obj; if (acceptAdvise != other.acceptAdvise) return false; if (bbsInfo

33、s == null) { if (other.bbsInfos != null) return false; } else if (!bbsInfos.equals(other.bbsInfos)) return false; if (contactMethod == null) { if (other.contactMethod != null) return false; } else if (!contactMethod.equals(other.contactMethod)) return false; if

34、(emailVisible != other.emailVisible) return false; if (userSign == null) { if (other.userSign != null) return false; } else if (!userSign.equals(other.userSign)) return false; return true; } } 4、在數(shù)據(jù)訪問層中添加各個PO類——建立AdminUserInfoPO實(shí)體類 （1）AdminUserInfoPO類，包名稱為com.px1987.we

35、bbbs.dao 并且也繼承于com.px1987.webbbs.dao.UserInfoBasePO類 （2）添加下面的成員屬性 private String workUnit; private String studyHistory; private String studySchool; private String idCardNo; （3）并這些成員屬性提供get/set方法 （4）最后產(chǎn)生出下面的代碼 package com.px1987.webbbs.dao; public class AdminUserInfoPO exten

36、ds UserInfoBasePO { private String workUnit; private String studyHistory; private String studySchool; private String idCardNo; public AdminUserInfoPO() { } public String getIdCardNo() { return idCardNo; } public void setIdCardNo(String idCardNo) { this.idCardNo = idCardNo

37、; } public String getStudyHistory() { return studyHistory; } public void setStudyHistory(String studyHistory) { this.studyHistory = studyHistory; } public String getStudySchool() { return studySchool; } public void setStudySchool(String studySchool) { this.studySchool = s

38、tudySchool; } public String getWorkUnit() { return workUnit; } public void setWorkUnit(String workUnit) { this.workUnit = workUnit; } @Override public int hashCode() { final int PRIME = 31; int result = super.hashCode(); result = PRIME * result + ((idCardNo == null) ? 0

39、: idCardNo.hashCode()); result = PRIME * result + ((studyHistory == null) ? 0 : studyHistory.hashCode()); result = PRIME * result + ((studySchool == null) ? 0 : studySchool.hashCode()); result = PRIME * result + ((workUnit == null) ? 0 : workUnit.hashCode()); return result; } @Overri

40、de public boolean equals(Object obj) { if (this == obj) return true; if (!super.equals(obj)) return false; if (getClass() != obj.getClass()) return false; final AdminUserInfoPO other = (AdminUserInfoPO) obj; if (idCardNo == null) { if (other.idCardNo != null) re

41、turn false; } else if (!idCardNo.equals(other.idCardNo)) return false; if (studyHistory == null) { if (other.studyHistory != null) return false; } else if (!studyHistory.equals(other.studyHistory)) return false; if (studySchool == null) { if (other.studySchool != nul

42、l) return false; } else if (!studySchool.equals(other.studySchool)) return false; if (workUnit == null) { if (other.workUnit != null) return false; } else if (!workUnit.equals(other.workUnit)) return false; return true; } } 5、在數(shù)據(jù)訪問層中添加各個PO類——建立BBSInfoPO實(shí)體類 （1）B

43、BSInfoPO類，包名稱為com.px1987.webbbs.dao，并實(shí)現(xiàn)java.io.Serializable接口 （2）添加下面的成員屬性 private String author; private String title; private int replay; private int hits; private String sendInfoTime; private String content; //private Clob content; private int mailto; private

44、String abstractText; private String lastUpdateTime; private int bbsIconID; private int bbsTypeID; private int bbsTitleID; private String userID; private Integer id; （3）并為這些成員屬性提供get/set方法 （4）最后產(chǎn)生出下面的代碼 package com.px1987.webbbs.dao; import java.sql.*; import java.

45、util.*; public class BBSInfoPO implements java.io.Serializable{ private String author; private String title; private int replay; private int hits; private String sendInfoTime; private String content; //private Clob content; private int mailto; private String abstractText; pr

46、ivate String lastUpdateTime; private int bbsIconID; private int bbsTypeID; private int bbsTitleID; private String userID; private int bbsID; public BBSInfoPO(){ } public String getAbstractText() { return abstractText; } public void setAbstractText(String abstractText) { thi

47、s.abstractText = abstractText; } public String getAuthor() { return author; } public void setAuthor(String author) { this.author = author; } public int getBbsIconID() { return bbsIconID; } public void setBbsIconID(int bbsIconID) { this.bbsIconID = bbsIconID; } public

48、int getBbsTitleID() { return bbsTitleID; } public void setBbsTitleID(int bbsTitleID) { this.bbsTitleID = bbsTitleID; } public int getBbsTypeID() { return bbsTypeID; } public void setBbsTypeID(int bbsTypeID) { this.bbsTypeID = bbsTypeID; } public String getContent() { r

49、eturn content; } public void setContent(String content) { this.content = content; } public int getHits() { return hits; } public void setHits(int hits) { this.hits = hits; } public String getLastUpdateTime() { return lastUpdateTime; } public void setLastUpdateTime(Str

50、ing lastUpdateTime) { this.lastUpdateTime = lastUpdateTime; } public int getMailto() { return mailto; } public void setMailto(int mailto) { this.mailto = mailto; } public int getReplay() { return replay; } public void setReplay(int replay) { this.replay = replay; }

51、 public String getSendInfoTime() { return sendInfoTime; } public void setSendInfoTime(String sendInfoTime) { this.sendInfoTime = sendInfoTime; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getUserID()

52、 { return userID; } public void setUserID(String userID) { this.userID = userID; } private Set bbsReplyInfos = new HashSet(); public Set getBbsReplyInfos(){ return bbsReplyInfos; } public void setBbsReplyInfos(Set bbsReplyInfos){ this.bbsReplyInfos = bbsReplyInfos; } pu

53、blic ArrayList getBbsReplyInfosByBBS(){ //利用該方法可以獲得該分類下的所有BBS信息 ArrayList allBbsReplyInfosByOneBBS=null; allBbsReplyInfosByOneBBS=new ArrayList(); java.util.Iterator allBBSReplyInfoItemIterator = getBbsReplyInfos().iterator(); while(allBBSReplyInfoItemIterator.hasNext()){ BBSRep

54、lyInfoPO oneBBSReplyInfo= (BBSReplyInfoPO)allBBSReplyInfoItemIterator.next(); allBbsReplyInfosByOneBBS.add(oneBBSReplyInfo); } return allBbsReplyInfosByOneBBS; } public int getBbsID() { return bbsID; } public void setBbsID(int bbsID) { this.bbsID = bbsID; } @Override p

55、ublic int hashCode() { final int PRIME = 31; int result = 1; result = PRIME * result + ((abstractText == null) ? 0 : abstractText.hashCode()); result = PRIME * result + ((author == null) ? 0 : author.hashCode()); result = PRIME * result + bbsID; result = PRIME * result + bbsIconID;

56、 result = PRIME * result + ((bbsReplyInfos == null) ? 0 : bbsReplyInfos.hashCode()); result = PRIME * result + bbsTitleID; result = PRIME * result + bbsTypeID; result = PRIME * result + ((content == null) ? 0 : content.hashCode()); result = PRIME * result + hits; result = PRIME * r

57、esult + ((lastUpdateTime == null) ? 0 : lastUpdateTime.hashCode()); result = PRIME * result + mailto; result = PRIME * result + replay; result = PRIME * result + ((sendInfoTime == null) ? 0 : sendInfoTime.hashCode()); result = PRIME * result + ((title == null) ? 0 : title.hashCode());

58、 result = PRIME * result + ((userID == null) ? 0 : userID.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; final BBSInfoPO other =

59、(BBSInfoPO) obj; if (abstractText == null) { if (other.abstractText != null) return false; } else if (!abstractText.equals(other.abstractText)) return false; if (author == null) { if (other.author != null) return false; } else if (!author.equals(other.author)) r

60、eturn false; if (bbsID != other.bbsID) return false; if (bbsIconID != other.bbsIconID) return false; if (bbsReplyInfos == null) { if (other.bbsReplyInfos != null) return false; } else if (!bbsReplyInfos.equals(other.bbsReplyInfos)) return false; if (bbsTitleID !=

61、other.bbsTitleID) return false; if (bbsTypeID != other.bbsTypeID) return false; if (content == null) { if (other.content != null) return false; } else if (!content.equals(other.content)) return false; if (hits != other.hits) return false; if (lastUpdateTime ==

62、 null) { if (other.lastUpdateTime != null) return false; } else if (!lastUpdateTime.equals(other.lastUpdateTime)) return false; if (mailto != other.mailto) return false; if (replay != other.replay) return false; if (sendInfoTime == null) { if (other.sendInfoTime

63、!= null) return false; } else if (!sendInfoTime.equals(other.sendInfoTime)) return false; if (title == null) { if (other.title != null) return false; } else if (!title.equals(other.title)) return false; if (userID == null) { if (other.userID != null) return false; } else if (!userID.equals(other.userID)) return false; return true; } } 楊教授大學(xué)堂，版權(quán)所有，盜版必究。 31/31頁