基于mysql纯java的智能题库（后期填写注释）
1 package controller;
2
3 import admin.entity.Admin;
4 import admin.service.AdminService;
5 import admin.service.impl.AdminServiceImpl;
6 import questionBank.entity.*;
7 import questionBank.service.ExamService;
8 import questionBank.service.Impl.ExamServiceImpl;
9 import questionBank.service.Impl.QuestionBankServiceImpl;
10 import questionBank.service.Impl.ScoreSheetServiceImpl;
11 import questionBank.service.QuestionBankService;
12 import questionBank.service.ScoreSheetService;
13 import user.entity.User;
14 import user.entity.WrongQuestions;
15 import user.service.UserService;
16 import user.service.WrongQuestionService;
17 import user.service.impl.UserServiceImpl;
18 import user.service.impl.WrongQuestionServiceImpl;
19 import utils.BaseDao;
20
21 import java.text.SimpleDateFormat;
22 import java.util.ArrayList;
23 import java.util.Date;
24 import java.util.List;
25 import java.util.Scanner;
26
27 /**
28 * @author 阿水
29 * @create 2023-02-04 19:48
30 *
31 * _ooOoo_
32 * o8888888o
33 * 88" . "88
34 * (| -_- |)
35 * O\ = /O
36 * ____/`---'\____
37 * .' \\| |// `.
38 * / \\||| : |||// \
39 * / _||||| -:- |||||- \
40 * | | \\\ - /// | |
41 * | \_| ''\---/'' | |
42 * \ .-\__ `-` ___/-. /
43 * ___`. .' /--.--\ `. . __
44 * ."" '< `.___\_<|>_/___.' >'"".
45 * | | : `- \`.;`\ _ /`;.`/ - ` : | |
46 * \ \ `-. \_ __\ /__ _/ .-` / /
47 * ======`-.____`-.___\_____/___.-`____.-'======
48 * `=---='
49 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
50 * 佛祖保佑 永无BUG
51 *
52 */
53 public class Main extends BaseDao {
54 public static void main(String[] args) {
55 UserService userService = new UserServiceImpl();
56 AdminService adminService = new AdminServiceImpl();
57 QuestionBankService questionBankService = new QuestionBankServiceImpl();
58 ScoreSheetService scoreSheetService = new ScoreSheetServiceImpl();
59 WrongQuestionService wrongQuestionService = new WrongQuestionServiceImpl();
60 ExamService examService = new ExamServiceImpl();
61 SimpleDateFormat sdf = new SimpleDateFormat();// 格式化时间
62 sdf.applyPattern("yyyy-MM-dd HH:mm:ss");// a为am/pm的标记
63 Scanner sc = new Scanner(System.in);
64 while (true) {
65 System.out.println("1、管理员");
66 System.out.println("2、用户");
67 int x = sc.nextInt();
68 if (x == 1) {
69 System.out.println("请输入管理员用户名");
70 String loginName = sc.next();
71 System.out.println("请输入管理员密码");
72 String password = sc.next();
73 int loginAdminId = adminService.login(loginName, password);
74 if (loginAdminId > 0) {
75 System.out.println("登陆完成");
76 while (true) {
77 System.out.println("1、查看所有题目");
78 System.out.println("2、添加题目");
79 System.out.println("3、删除题目");
80 System.out.println("4、新注册管理员");
81 System.out.println("5、出试卷");
82 System.out.println("6、查看试卷");
83 System.out.println("7、查看成绩");
84 int y = sc.nextInt();
85 if (y == 1) {
86 //查看所有题目
87 List<QuestionBank> questionBanks = questionBankService.selectAll();
88 for (QuestionBank questionBank : questionBanks) {
89 System.out.println(questionBank);
90 }
91
92 } else if (y == 2) {
93 //添加题目
94 List<TypeName> typeName = questionBankService.findTypeName();
95 for (TypeName name : typeName) {
96 System.out.println(name);
97 }
98 System.out.println("请输入题目类型");
99 String type = sc.next();
100 System.out.println("请输入题目");
101 String content = sc.next();
102 System.out.println("请输入答案");
103 String answer = sc.next();
104 questionBankService.insert(new QuestionBank(0, type, content, answer));
105
106 } else if (y == 3) {
107 //删除题目
108 List<QuestionBank> questionBanks = questionBankService.selectAll();
109 for (QuestionBank questionBank : questionBanks) {
110 System.out.println(questionBank);
111 }
112 System.out.println("请输入删除题目的id");
113 int id = sc.nextInt();
114 questionBankService.delete(id);
115
116 } else if (y == 4) {
117 //新注册管理员
118 Admin admin = new Admin();
119 System.out.println("请输入管理员名称");
120 String name = sc.next();
121 System.out.println("请输入账号");
122 String loginAdminName = sc.next();
123 System.out.println("请输入密码");
124 String pwd = sc.next();
125 admin.setName(name);
126 admin.setLoginName(loginAdminName);
127 admin.setPassword(pwd);
128 adminService.insert(admin);
129
130 } else if (y == 5) {
131 //出试卷
132 int count = 0;
133 List<QuestionBank> questionBanks = questionBankService.selectAll();
134 for (QuestionBank questionBank : questionBanks) {
135 System.out.println(questionBank);
136 }
137 System.out.println("请输入本次试卷名称");
138 String examName = sc.next();
139 while (true) {
140 System.out.println("请输入加入考试的题目id,按0结束");
141 int id = sc.nextInt();
142 for (QuestionBank questionBank : questionBanks) {
143 if (id == questionBank.getId()) {
144 examService.insert(id, examName);
145 count--;
146 }
147 count++;
148 }
149 if (count == questionBanks.size()) {
150 System.out.println("查无此题");
151 break;
152 }
153 if (id == 0) {
154 break;
155 }
156 }
157
158 } else if (y == 6) {
159 List<Exam> exams = examService.selectAll();
160 for (Exam exam : exams) {
161 System.out.println(exam);
162 }
163
164 } else if (y == 7) {
165 List<ScoreSheet> scoreSheets = scoreSheetService.selectAll();
166 for (ScoreSheet scoreSheet : scoreSheets) {
167 System.out.println(scoreSheet);
168 }
169 } else {
170 System.out.println("再见");
171 break;
172 }
173
174 }
175
176
177 } else {
178 System.out.println("登陆失败");
179
180 }
181 } else if (x == 2) {
182
183 while (true) {
184 System.out.println("1、登录");
185 System.out.println("2、注册");
186 int y = sc.nextInt();
187 if (y == 1) {
188 while (true) {
189 System.out.println("请输入登录账号");
190 String loginName = sc.next();
191 System.out.println("请输入登录密码");
192 String password = sc.next();
193 int loginUserId = userService.login(loginName, password);
194 if (loginUserId > 0) {
195 System.out.println("登录完成");
196 while (true) {
197
198 System.out.println("1、刷题模式");
199 System.out.println("2、按照学科刷题模式");
200 System.out.println("3、开始考试");
201 System.out.println("4、按照学科测验练习");
202 System.out.println("5、查看错题本");
203 System.out.println("请输入您的选项");
204 int z = sc.nextInt();
205 if (z == 1) {
206 ArrayList<QuestionBank> QuestionBank = new ArrayList<>();
207 List<QuestionBank> questionBanks = questionBankService.selectAll();
208 for (questionBank.entity.QuestionBank questionBank : questionBanks) {
209 System.out.println(questionBank);
210 }
211
212 } else if (z == 2) {
213 //按照学科刷题模式
214 //ArrayList<QuestionBank> QuestionBank = new ArrayList<>();
215 List<TypeName> typeName = questionBankService.findTypeName();
216 for (TypeName name : typeName) {
217 System.out.println(name);
218 }
219 System.out.println("请您完整输入课程学科");
220 String inputTypeName = sc.next();
221 int count = 0;
222 for (TypeName name : typeName) {
223 if (name.getName().equals(inputTypeName)) {
224 count++;
225 }
226 }
227 if (count == 0) {
228 System.out.println("课程不存在 请仔细检查");
229 break;
230 } else {
231 List<QuestionBank> questionBankByType = questionBankService.selectByType(inputTypeName);
232 for (QuestionBank questionBank : questionBankByType) {
233 System.out.println(questionBank);
234 }
235 }
236
237 } else if (z == 3) {
238 // 输出已经格式化的现在时间（24小时制）
239 List<ExamName> examNames = examService.selectByName();
240 for (ExamName examName : examNames) {
241 System.out.println(examName);
242 }
243 System.out.println("请您完整输入考试名称");
244 String inputTypeName = sc.next();
245 int count = 0;
246 for (ExamName examName : examNames) {
247 if (examName.getName().equals(inputTypeName)) {
248 count++;
249 System.out.println("这是考试模式 记录成绩！！！！！");
250 }
251 }
252 if (count == 0) {
253 System.out.println("课程不存在 请仔细检查");
254 } else {
255
256 //select * from exam inner join questionbank on exam.questionid = questionbank.id where examName = '无敌巨难试卷';
257 List<Exam> exams = examService.selectByType(inputTypeName);
258 double number = 0;
259 double scoreByUser = 0;
260 for (Exam exam : exams) {
261 System.out.println(exam.getTypeName() + " " + exam.getContent());
262 System.out.println("请输入答案");
263 String answerByUser = sc.next();
264 if (answerByUser.equals(exam.getAnswer())) {
265 scoreByUser++;
266 }/*else {
267 //wrongQuestionService.insert();
268 List<WrongQuestions> wrongQuestions = wrongQuestionService.selectByUserId(loginUserId);
269 int var=0;
270 for (WrongQuestions wrongQuestion : wrongQuestions) {
271 System.out.println(wrongQuestion);
272
273 if (wrongQuestion.getContent().equals(exam.getContent())) {
274 wrongQuestionService.update(new WrongQuestions(loginUserId, wrongQuestion.getContent()));
275 break;
276 } else {
277 var++;
278 }
279 if (var == wrongQuestions.size()) {
280 wrongQuestionService.insert(new WrongQuestions(loginUserId,exam.getQuestionId()));
281 }
282 }
283
284 }*/
285 number++;
286 }
287
288 double sumScore = (scoreByUser / number) * 100;
289 String str = String.format("%.1f", sumScore);
290 System.out.println("您考试 考了" + str + "分");
291 double finalScore = Double.parseDouble(str);
292 //(int scoreId, String examName, double score, Timestamp dateTime, int userId, String userName)
293 Date date = new Date();// 获取当前时间
294 System.out.println(sdf.format(date));
295 ScoreSheet scoreSheet1 = new ScoreSheet(1, inputTypeName, finalScore, sdf.format(date).toString(), loginUserId, loginName);
296 scoreSheetService.insert(scoreSheet1);
297 }
298
299 } else if (z == 4) {
300 //按照学科刷题
301 List<TypeName> typeName = questionBankService.findTypeName();
302 for (TypeName name : typeName) {
303 System.out.println(name);
304 }
305 System.out.println("请您完整输入课程学科");
306 String inputTypeName = sc.next();
307 int count = 0;
308 for (TypeName name : typeName) {
309 if (name.getName().equals(inputTypeName)) {
310 count++;
311 }
312 }
313 if (count == 0) {
314 System.out.println("课程不存在 请仔细检查");
315 } else {
316 List<QuestionBank> questionBankByType = questionBankService.selectByType(inputTypeName);
317 System.out.println("这是娱乐模式 不记录成绩");
318 double number = 0;
319 double scoreByUser = 0;
320 for (QuestionBank questionBank : questionBankByType) {
321 System.out.println(questionBank.getType() + " " + questionBank.getContent());
322 System.out.println("请输入答案");
323 String answerByUser = sc.next();
324 if (answerByUser.equals(questionBank.getAnswer())) {
325 scoreByUser++;
326 } else {
327 //wrongQuestionService.insert();
328 List<WrongQuestions> wrongQuestions = wrongQuestionService.selectByUserId(loginUserId);
329 int var=0;
330 for (WrongQuestions wrongQuestion : wrongQuestions) {
331 //System.out.println(wrongQuestion);
332
333 if (wrongQuestion.getContent().equals(questionBank.getContent())) {
334 wrongQuestionService.update(new WrongQuestions(loginUserId, wrongQuestion.getContent()));
335 break;
336 } else {
337 var++;
338 }
339 if (var == wrongQuestions.size()) {
340 wrongQuestionService.insert(new WrongQuestions(loginUserId, questionBank.getId()));
341 }
342 }
343
344 }
345 number++;
346 }
347 double sumScore = (scoreByUser / number) * 100;
348 String str = String.format("%.1f", sumScore);
349 System.out.println("您本次测验考了" + str + "分");
350 System.out.println("考试结束，记录已上传 无法再打开");
351
352
353 }
354 } else if (z == 5) {
355 List<WrongQuestions> wrongQuestions = wrongQuestionService.selectByUserId(loginUserId);
356 for (WrongQuestions wrongQuestion : wrongQuestions) {
357 System.out.println("类型:" + wrongQuestion.getTypeName() + " 题目:" + wrongQuestion.getContent() + " 答案:" + wrongQuestion.getAnswer() + " 累计错误次数:" + wrongQuestion.getCount() + "次");
358 }
359 } else {
360 System.out.println("再见");
361 break;
362 }
363 }
364
365 } else {
366 System.out.println("登陆失败");
367 break;
368 }
369
370
371 }
372 } else if (y == 2) {
373 System.out.println("请输入姓名");
374 String name = sc.next();
375 System.out.println("请输入登录账号");
376 String loginName = sc.next();
377 System.out.println("请输入登录密码");
378 String password = sc.next();
379 userService.insert(new User(0, name, loginName, password));
380 System.out.println("注册完成啦！！！快去登陆吧哈哈嗨");
381 } else {
382 System.out.println("拜拜了您嘞");
383 break;
384 }
385
386
387 }
388
389 }
390
391 }
392
393 }
394 }
package admin.dao.impl; import admin.dao.AdminDao;
import admin.entity.Admin;
import utils.BaseDao; import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List; /**
* @author 刘品水
* @create 2023-02-04 18:31
*/
public class AdminDaoImpl extends BaseDao implements AdminDao { @Override
public int insert(Admin admin) {
String sql = "insert into admin (name,loginName,password) " +
"values ('" + admin.getName() + "','" + admin.getLoginName() + "','" + admin.getPassword() + "')";
int result = 0;
System.out.println(sql);
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int delete(int id) {
String sql = "delete from admin where id=" + id;
System.out.println(sql);
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int update(Admin admin) {
String sql = "update admin set name='" + admin.getName() + "', password='" + admin.getPassword() + "' where id=" + admin.getId();
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println(sql);
return result;
} @Override
public List<Admin> selectAll() {
ArrayList<Admin> admins = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select * from admin");
while (resultSet.next()) {
Admin a = new Admin(resultSet.getInt("id"), resultSet.getString("name"), resultSet.getString("loginName"), resultSet.getString("password"));
admins.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return admins;
} @Override
public Admin selectById(int id) {
ResultSet resultSet = null;
Admin a = new Admin();
try {
resultSet = this.find("select * from admin where id=" + id);
if (resultSet != null) {
a = new Admin(resultSet.getInt("id"), resultSet.getString("name"), resultSet.getString("loginName"), resultSet.getString("password")); }
} catch (Exception e) {
e.printStackTrace();
} return a;
} @Override
public int login(String loginName, String password) {
int id = 0;
ResultSet resultSet = null;
try {
String sql = "select * from admin where loginName=? and password=?";
PreparedStatement pst = this.getPreparedStatement(sql);
pst.setString(1, loginName);
pst.setString(2, password); resultSet = pst.executeQuery();
/* System.out.println(resultSet);
System.out.println(sql);*/ if (resultSet.next()) {
id = resultSet.getInt("id");
} } catch (Exception e) {
e.printStackTrace();
} //return false;
return id;
}
}
package admin.dao; import admin.entity.Admin; import java.util.List; /**
* @author 刘品水
* @create 2023-02-04 18:30
*/
public interface AdminDao { int insert(Admin admin);
int delete(int id);
int update(Admin admin);
List<Admin> selectAll();
Admin selectById(int id);
int login(String loginName, String password); }
package admin.entity;
public class Admin{
private int id;
private String name;
private String loginName;
private String password;
public Admin() {
}
public Admin(int id, String name, String loginName, String password) {
this.id = id;
this.name = name;
this.loginName = loginName;
this.password = password;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getLoginName() {
return loginName;
}
public void setLoginName(String loginName) {
this.loginName = loginName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "Admin{" +
"id=" + id +
", name='" + name + '\'' +
", loginName='" + loginName + '\'' +
", password='" + password + '\'' +
'}';
}
}
package admin.service.impl; import admin.dao.AdminDao;
import admin.dao.impl.AdminDaoImpl;
import admin.entity.Admin;
import admin.service.AdminService; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 16:46
*/
public class AdminServiceImpl implements AdminService {
private AdminDao adminDao=new AdminDaoImpl();
@Override
public int insert(Admin admin) {
return adminDao.insert(admin);
} @Override
public int delete(int id) {
return adminDao.delete(id);
} @Override
public int update(Admin admin) {
return adminDao.update(admin);
} @Override
public List<Admin> selectAll() {
return adminDao.selectAll();
} @Override
public Admin selectById(int id) {
return adminDao.selectById(id);
} @Override
public int login(String loginName, String password) {
return adminDao.login(loginName,password);
}
}
package admin.service; import admin.entity.Admin; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 16:46
*/
public interface AdminService {
int insert(Admin admin);
int delete(int id);
int update(Admin admin);
List<Admin> selectAll();
Admin selectById(int id);
int login(String loginName, String password);
}
package questionBank.dao; import questionBank.entity.Exam;
import questionBank.entity.ExamName; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 19:23
*/
public interface ExamDao {
int insert(int qid, String eName);
int delete(int id);
int update(Exam exam);
List<Exam> selectAll();
Exam selectById(int id); List<ExamName> selectByName(); List<Exam> selectByType(String inputTypeName);
}
package questionBank.dao.impl; import questionBank.dao.QuestionBankDao;
import questionBank.entity.QuestionBank;
import questionBank.entity.TypeName;
import utils.BaseDao; import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List; /**
* @author 阿水
* @create 2023-02-05 18:50
*/
public class QuestionBankDaoImpl extends BaseDao implements QuestionBankDao { @Override
public int insert(QuestionBank questionBank) {
String sql = "insert into questionbank (typeName,content,answer) " +
"values ('" + questionBank.getType() + "','" + questionBank.getContent() + "','" + questionBank.getAnswer() + "')";
int result = 0;
//System.out.println(sql);
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int delete(int id) {
String sql = "delete from questionbank where id=" + id;
//System.out.println(sql);
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int update(QuestionBank questionBank) {
String sql = "update questionbank set typeName='" +questionBank.getType() + "', content='" + questionBank.getContent() +"',answer='"+ questionBank.getAnswer()+"' where id=" + questionBank.getId();
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
//System.out.println(sql);
return result;
} @Override
public List<QuestionBank> selectAll() {
ArrayList<QuestionBank> list = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select * from questionbank");
while (resultSet.next()) {
QuestionBank a = new QuestionBank(resultSet.getInt("id"), resultSet.getString("typeName"), resultSet.getString("content"), resultSet.getString("answer"));
list.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return list;
} @Override
public QuestionBank selectById(int id) {
ResultSet resultSet = null;
QuestionBank a = null;
try {
resultSet = this.find("select * from questionbank where id=" + id);
if (resultSet != null) {
a = new QuestionBank(resultSet.getInt("id"), resultSet.getString("typeName"), resultSet.getString("content"), resultSet.getString("answer")); }
} catch (Exception e) {
e.printStackTrace();
} return a;
} @Override
public List<TypeName> findTypeName() {
ArrayList<TypeName> list = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select distinct typeName from questionbank;");
while (resultSet.next()) {
TypeName a = new TypeName(resultSet.getString("typeName"));
list.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return list;
} @Override
public List<QuestionBank> selectByType(String inputTypeName) {
ArrayList<QuestionBank> list = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select * from questionbank where typeName = '"+inputTypeName+"';");
while (resultSet.next()) {
QuestionBank a = new QuestionBank(resultSet.getInt("id"), resultSet.getString("typeName"), resultSet.getString("content"), resultSet.getString("answer"));
list.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return list;
} }
package questionBank.dao.impl; import questionBank.dao.ScoreSheetDao;
import questionBank.entity.ScoreSheet;
import utils.BaseDao; import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List; /**
* @author 阿水
* @create 2023-02-07 11:04
*/
public class ScoreSheetDaoImpl extends BaseDao implements ScoreSheetDao { @Override
public int insert(ScoreSheet scoreSheet) {
/* String sql = "insert into questionbank (typeName,content,answer) " +
"values ('" + questionBank.getType() + "','" + questionBank.getContent() + "','" + questionBank.getAnswer() + "')";
*/
String sql="insert into score_sheet (examName, userId, score, datatime) values" +
" ('"+scoreSheet.getExamName()+"',"+scoreSheet.getUserId()+","+scoreSheet.getScore()+",'"+scoreSheet.getDateTime()+"');";
int result = 0;
System.out.println(sql);
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result; } @Override
public int delete(int id) {
return 0;
} @Override
public int update(ScoreSheet scoreSheet) {
return 0;
} @Override
public List<ScoreSheet> selectAll() {
ArrayList<ScoreSheet> list = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select score_sheet.id,examName, score, datatime , user.id,name from score_sheet inner join user on score_sheet.userId=user.id;");
while (resultSet.next()) {
ScoreSheet a = new ScoreSheet(resultSet.getInt("score_sheet.id"),resultSet.getString("score_sheet.examName"),resultSet.getDouble("score_sheet.score"),resultSet.getString("datatime"),resultSet.getInt("user.id"),resultSet.getString("user.name")); list.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return list;
} @Override
public ScoreSheet selectById(int id) {
return null;
}
}
package questionBank.dao; import questionBank.entity.Exam;
import questionBank.entity.ExamName; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 19:23
*/
public interface ExamDao {
int insert(int qid, String eName);
int delete(int id);
int update(Exam exam);
List<Exam> selectAll();
Exam selectById(int id); List<ExamName> selectByName(); List<Exam> selectByType(String inputTypeName);
}
package questionBank.dao; import questionBank.entity.QuestionBank;
import questionBank.entity.TypeName; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 18:50
*/
public interface QuestionBankDao {
int insert(QuestionBank questionBank);
int delete(int id);
int update(QuestionBank questionBank);
List<QuestionBank> selectAll();
QuestionBank selectById(int id);
List<TypeName> findTypeName();
List<QuestionBank> selectByType(String inputTypeName);
}
package questionBank.dao; import questionBank.entity.ScoreSheet; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 11:04
*/
public interface ScoreSheetDao {
int insert(ScoreSheet scoreSheet);
int delete(int id);
int update(ScoreSheet scoreSheet);
List<ScoreSheet> selectAll();
ScoreSheet selectById(int id); }
package questionBank.entity;
import java.io.Serializable;
public class Exam implements Serializable {
private int id;
private int questionId;
private String examName;
private String typeName;
private String content;
private String answer;
public Exam(int questionId, String typeName, String content, String answer) {
this.questionId = questionId;
this.typeName = typeName;
this.content = content;
this.answer = answer;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getQuestionId() {
return questionId;
}
public void setQuestionId(int questionId) {
this.questionId = questionId;
}
public Exam(int id, int questionId, String examName, String typeName, String content, String answer) {
this.id = id;
this.questionId = questionId;
this.examName = examName;
this.typeName = typeName;
this.content = content;
this.answer = answer;
}
public Exam(String examName, String typeName, String content, String answer) {
this.examName = examName;
this.typeName = typeName;
this.content = content;
this.answer = answer;
}
public Exam() {
}
@Override
public String toString() {
return "Exam{" +
"id=" + id +
", examName='" + examName + '\'' +
", typeName='" + typeName + '\'' +
", content='" + content + '\'' +
", answer='" + answer + '\'' +
'}';
}
public Exam(int id, String examName, String typeName, String content, String answer) {
this.id = id;
this.examName = examName;
this.typeName = typeName;
this.content = content;
this.answer = answer;
}
public Exam(String examName, String typeName, String content) {
this.examName = examName;
this.typeName = typeName;
this.content = content;
}
/* public Exam(String examName, String typeName, String content, String answer) {
this.examName = examName;
this.typeName = typeName;
this.content = content;
this.answer = answer;
}
*/
public String getExamName() {
return examName;
}
public void setExamName(String examName) {
this.examName = examName;
}
public String getTypeName() {
return typeName;
}
public void setTypeName(String typeName) {
this.typeName = typeName;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getAnswer() {
return answer;
}
public void setAnswer(String answer) {
this.answer = answer;
}
}
package questionBank.entity; /**
* @author 阿水
* @create 2023-02-07 14:38
*/
public class ExamName {
private String name ; public ExamName() {
} public ExamName(String name) {
this.name = name;
} public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} @Override
public String toString() {
return "ExamName{" +
"name='" + name + '\'' +
'}';
}
}
package questionBank.entity;
public class QuestionBank {
private int id;
private String type;//题目标题，可省略
private String content;
private String answer;
public QuestionBank() {
}
public QuestionBank(int id, String type, String content, String answer) {
this.id = id;
this.type = type;
this.content = content;
this.answer = answer;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public String getAnswer() {
return answer;
}
public void setAnswer(String answer) {
this.answer = answer;
}
@Override
public String toString() {
return "QuestionBank{" +
"id=" + id +
", type='" + type + '\'' +
", content='" + content + '\'' +
", answer='" + answer + '\'' +
'}';
}
}
package questionBank.entity; /**
* @author 阿水
* @create 2023-02-07 11:01
*/
public class ScoreSheet {
private int scoreId;
private String examName; private double score;
private String dateTime; private int userId;
private String userName; public ScoreSheet() {
} @Override
public String toString() {
return "ScoreSheet{" +
"scoreId=" + scoreId +
", examName='" + examName + '\'' +
", score=" + score +
", dateTime='" + dateTime + '\'' +
", userId=" + userId +
", userName='" + userName + '\'' +
'}';
} public int getScoreId() {
return scoreId;
} public void setScoreId(int scoreId) {
this.scoreId = scoreId;
} public String getExamName() {
return examName;
} public void setExamName(String examName) {
this.examName = examName;
} public double getScore() {
return score;
} public void setScore(double score) {
this.score = score;
} public String getDateTime() {
return dateTime;
} public void setDateTime(String dateTime) {
this.dateTime = dateTime;
} public int getUserId() {
return userId;
} public void setUserId(int userId) {
this.userId = userId;
} public String getUserName() {
return userName;
} public void setUserName(String userName) {
this.userName = userName;
} public ScoreSheet(int scoreId, String examName, double score, String dateTime, int userId, String userName) {
this.scoreId = scoreId;
this.examName = examName;
this.score = score;
this.dateTime = dateTime;
this.userId = userId;
this.userName = userName;
}
}
package questionBank.entity; /**
* @author 阿水
* @create 2023-02-07 10:03
*/
public class TypeName {
private String name; public TypeName() {
} public TypeName(String name) {
this.name = name;
} public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} @Override
public String toString() {
return "TypeName{" +
"name='" + name + '\'' +
'}';
}
}
package questionBank.service.Impl; import questionBank.dao.ExamDao;
import questionBank.dao.impl.ExamDaoImpl;
import questionBank.entity.Exam;
import questionBank.entity.ExamName;
import questionBank.service.ExamService; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 20:05
*/
public class ExamServiceImpl implements ExamService {
ExamDao examDao=new ExamDaoImpl();
@Override
public int insert(int qid, String eName) {
return examDao.insert(qid,eName);
} @Override
public int delete(int id) {
return 0;
} @Override
public int update(Exam exam) {
return 0;
} @Override
public List<Exam> selectAll() {
return examDao.selectAll();
} @Override
public Exam selectById(int id) {
return null;
} @Override
public List<ExamName> selectByName() {
return examDao.selectByName();
} @Override
public List<Exam> selectByType(String inputTypeName) {
return examDao.selectByType(inputTypeName);
}
}
package questionBank.service.Impl; import questionBank.dao.QuestionBankDao;
import questionBank.dao.impl.QuestionBankDaoImpl;
import questionBank.entity.QuestionBank;
import questionBank.entity.TypeName;
import questionBank.service.QuestionBankService; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 19:02
*/
public class QuestionBankServiceImpl implements QuestionBankService {
private QuestionBankDao questionBankDao=new QuestionBankDaoImpl(); @Override
public int insert(QuestionBank questionBank) {
return questionBankDao.insert(questionBank);
} @Override
public int delete(int id) {
return questionBankDao.delete(id);
} @Override
public int update(QuestionBank questionBank) {
return questionBankDao.update(questionBank);
} @Override
public List<QuestionBank> selectAll() {
return questionBankDao.selectAll();
} @Override
public QuestionBank selectById(int id) {
return questionBankDao.selectById(id);
} @Override
public List<TypeName> findTypeName() {
return questionBankaDao.findTypeName();
} @Override
public List<QuestionBank> selectByType(String inputTypeName) {
return questionBankDao.selectByType(inputTypeName);
} }
package questionBank.service.Impl; import questionBank.dao.ScoreSheetDao;
import questionBank.dao.impl.ScoreSheetDaoImpl;
import questionBank.entity.ScoreSheet;
import questionBank.service.ScoreSheetService; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 11:04
*/
public class ScoreSheetServiceImpl implements ScoreSheetService {
private ScoreSheetDao scoreSheetDao=new ScoreSheetDaoImpl();
@Override
public int insert(ScoreSheet scoreSheet) {
return scoreSheetDao.insert(scoreSheet);
} @Override
public int delete(int id) {
return scoreSheetDao.delete(id);
} @Override
public int update(ScoreSheet scoreSheet) {
return scoreSheetDao.update(scoreSheet);
} @Override
public List<ScoreSheet> selectAll() {
return scoreSheetDao.selectAll();
} @Override
public ScoreSheet selectById(int id) {
return scoreSheetDao.selectById(id);
}
}
package questionBank.service; import questionBank.entity.Exam;
import questionBank.entity.ExamName; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 19:23
*/
public interface ExamService {
int insert(int qid, String eName);
int delete(int id);
int update(Exam exam);
List<Exam> selectAll();
Exam selectById(int id);
List<ExamName> selectByName(); List<Exam> selectByType(String inputTypeName);
}
package questionBank.service; import questionBank.entity.QuestionBank;
import questionBank.entity.TypeName; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 18:50
*/
public interface QuestionBankService {
int insert(QuestionBank questionBank);
int delete(int id);
int update(QuestionBank questionBank);
List<QuestionBank> selectAll();
QuestionBank selectById(int id); //void selectAlType(); List<TypeName> findTypeName(); List<QuestionBank> selectByType(String inputTypeName);
}
package questionBank.service; import questionBank.entity.ScoreSheet; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 11:04
*/
public interface ScoreSheetService {
int insert(ScoreSheet scoreSheet);
int delete(int id);
int update(ScoreSheet scoreSheet);
List<ScoreSheet> selectAll();
ScoreSheet selectById(int id);
}
package user.dao.impl; import user.dao.UserDao;
import user.entity.User;
import utils.BaseDao; import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List; /**
* @author 阿水
* @create 2023-02-05 14:05
*/
public class UserDaoImpl extends BaseDao implements UserDao {
@Override
public int insert(User user) {
String sql = "insert into user (name,loginName,password) " +
"values ('" + user.getName() + "','" + user.getLoginName() + "','" + user.getPassword() + "')";
int result = 0;
System.out.println(sql);
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int delete(int id) {
String sql = "delete from user where id=" + id;
System.out.println(sql);
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int update(User user) {
String sql = "update user set name='" + user.getName() + "', password='" + user.getPassword() + "' where id=" + user.getId();
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println(sql);
return result;
} @Override
public List<User> selectAll() {
ArrayList<User> users = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select * from user");
while (resultSet.next()) {
User u = new User(resultSet.getInt("id"), resultSet.getString("name"), resultSet.getString("loginName"), resultSet.getString("password"));
users.add(u);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return users;
} @Override
public User selectById(int id) {
ResultSet resultSet = null;
User u = new User();
try {
resultSet = this.find("select * from user where id=" + id);
if (resultSet != null) {
u = new User(resultSet.getInt("id"), resultSet.getString("name"), resultSet.getString("loginName"), resultSet.getString("password")); }
} catch (Exception e) {
e.printStackTrace();
} return u;
} @Override
public int login(String loginName, String password) {
int id = 0;
ResultSet resultSet = null;
try {
String sql = "select * from user where loginName=? and password=?";
PreparedStatement pst = this.getPreparedStatement(sql);
pst.setString(1, loginName);
pst.setString(2, password); resultSet = pst.executeQuery();
/* System.out.println(resultSet);
System.out.println(sql);*/ if (resultSet.next()) {
id = resultSet.getInt("id");
} } catch (Exception e) {
e.printStackTrace();
} //return false;
return id; }
}
package user.dao.impl; import user.dao.WrongQuestionDao;
import user.entity.WrongQuestions;
import utils.BaseDao; import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List; /**
* @author 阿水
* @create 2023-02-07 17:23
*/
public class WrongQuestionDaoImpl extends BaseDao implements WrongQuestionDao {
@Override
public int insert(WrongQuestions wrongQuestions) {
String sql = "insert into wrongquestion values (0,"+wrongQuestions.getUserId()+","+wrongQuestions.getQuestionId()+",1);";
int result = 0;
System.out.println(sql);
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
return result;
} @Override
public int delete(int id) {
return 0;
} @Override
public int update(WrongQuestions wrongQuestions) {
String sql = "update wrongquestion inner join user u on wrongquestion.user_id = u.id inner join questionbank q on wrongquestion.question_id = q.id set count=count + 1 where content = '"+wrongQuestions.getContent()+"' and user_id="+wrongQuestions.getUserId()+";";
int result = 0;
try {
result = this.update(sql);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println(sql);
return result;
} @Override
public List<WrongQuestions> selectAll() {
return null;
} @Override
public List<WrongQuestions> selectByContent() {
ResultSet resultSet = null;
ArrayList<WrongQuestions> list = new ArrayList<>();
try {
resultSet = this.find("select content\n" +
"from wrongquestion\n" +
" inner join user u on wrongquestion.user_id = u.id\n" +
" inner join questionbank q on wrongquestion.question_id = q.id\n" +
"where user_id=1\n" +
";");
while (resultSet != null) {
WrongQuestions wrongQuestions1 = new WrongQuestions(resultSet.getInt("wrongquestion.id"), resultSet.getString("typeName"), resultSet.getString("content"), resultSet.getString("answer"), resultSet.getInt("count"));
list.add(wrongQuestions1); }
} catch (Exception e) {
e.printStackTrace();
} return list;
} @Override
public List<WrongQuestions> selectByUserId(int id) {
ArrayList<WrongQuestions> list = new ArrayList<>();
ResultSet resultSet = null;
try {
resultSet = this.find("select typeName,content,answer,count from wrongquestion inner join user u on wrongquestion.user_id = u.id inner join questionbank q on wrongquestion.question_id = q.id where user_id="+id+";");
while (resultSet.next()) {
WrongQuestions a = new WrongQuestions(resultSet.getString("typeName"),resultSet.getString("content"),resultSet.getString("answer"),resultSet.getInt("count")); list.add(a);
}
} catch (Exception e) {
throw new RuntimeException(e);
} return list;
}
}
package user.dao; import user.entity.User; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 14:01
*/
public interface UserDao { int insert(User user);
int delete(int id);
int update(User user);
List<User> selectAll();
User selectById(int id); int login(String loginName, String password); }
package user.dao; import user.entity.WrongQuestions; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 17:22
*/
public interface WrongQuestionDao {
int insert(WrongQuestions wrongQuestions);
int delete(int id);
int update(WrongQuestions wrongQuestions);
List<WrongQuestions> selectAll();
List<WrongQuestions> selectByContent();
List<WrongQuestions> selectByUserId(int id);
}
package user.entity;
public class User {
private int id;
private String name;
private String loginName;
private String password;
public User() {
}
public User(int id, String name, String loginName, String password) {
this.id = id;
this.name = name;
this.loginName = loginName;
this.password = password;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getLoginName() {
return loginName;
}
public void setLoginName(String loginName) {
this.loginName = loginName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", name='" + name + '\'' +
", loginName='" + loginName + '\'' +
", password='" + password + '\'' +
'}';
}
}
package user.entity; import java.io.Serializable;
//错题集
public class WrongQuestions implements Serializable {
private int id;
private int userId;
private int questionId;
private String typeName; public WrongQuestions(int userId, int questionId) {
this.userId = userId;
this.questionId = questionId;
} public WrongQuestions(int userId, String content) {
this.userId = userId;
this.content = content;
} private String content;
private String answer;
private int count; public WrongQuestions(String typeName, String content, String answer, int count) {
this.typeName = typeName;
this.content = content;
this.answer = answer;
this.count = count;
} public WrongQuestions(int id, String typeName, String content, String answer, int count) {
this.id = id;
this.typeName = typeName;
this.content = content;
this.answer = answer;
this.count = count;
} public WrongQuestions(int id, int userId, int questionId, String typeName, String content, String answer, int count) {
this.id = id;
this.userId = userId;
this.questionId = questionId;
this.typeName = typeName;
this.content = content;
this.answer = answer;
this.count = count;
} public int getCount() {
return count;
} public void setCount(int count) {
this.count = count;
} public WrongQuestions() {
} public int getQuestionId() {
return questionId;
} public void setQuestionId(int questionId) {
this.questionId = questionId;
} public WrongQuestions(int id, int userId, int questionId, String typeName, String content, String answer) {
this.id = id;
this.userId = userId;
this.questionId = questionId;
this.typeName = typeName;
this.content = content;
this.answer = answer;
} public int getId() {
return id;
} public void setId(int id) {
this.id = id;
} public int getUserId() {
return userId;
} public void setUserId(int userId) {
this.userId = userId;
} public String getTypeName() {
return typeName;
} public void setTypeName(String typeName) {
this.typeName = typeName;
} public String getContent() {
return content;
} public void setContent(String content) {
this.content = content;
} public String getAnswer() {
return answer;
} public void setAnswer(String answer) {
this.answer = answer;
} @Override
public String toString() {
return "WrongQuestions{" +
"id=" + id +
", userId=" + userId +
", questionId=" + questionId +
", typeName='" + typeName + '\'' +
", content='" + content + '\'' +
", answer='" + answer + '\'' +
", count=" + count +
'}';
}
}
package user.service.impl; import user.dao.UserDao;
import user.dao.impl.UserDaoImpl;
import user.entity.User;
import user.service.UserService; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 15:25
*/
public class UserServiceImpl implements UserService {
private UserDao userDao=new UserDaoImpl();
@Override
public int insert(User user) {
return userDao.insert(user);
} @Override
public int delete(int id) {
return userDao.delete(id);
} @Override
public int update(User user) {
return userDao.update(user);
} @Override
public List<User> selectAll() {
return userDao.selectAll();
} @Override
public User selectById(int id) {
return userDao.selectById(id);
} @Override
public int login(String loginName, String password) {
return userDao.login(loginName,password);
}
}
package user.service.impl; import user.dao.WrongQuestionDao;
import user.dao.impl.WrongQuestionDaoImpl;
import user.entity.WrongQuestions;
import user.service.WrongQuestionService; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 17:23
*/
public class WrongQuestionServiceImpl implements WrongQuestionService {
private WrongQuestionDao wrongQuestionDao=new WrongQuestionDaoImpl(); @Override
public int insert(WrongQuestions wrongQuestions) {
return wrongQuestionDao.insert(wrongQuestions);
} @Override
public int delete(int id) {
return wrongQuestionDao.delete(id);
} @Override
public int update(WrongQuestions wrongQuestions) {
return wrongQuestionDao.update(wrongQuestions);
} @Override
public List<WrongQuestions> selectAll() {
return wrongQuestionDao.selectAll();
} @Override
public List<WrongQuestions> selectByUserId(int id) {
return wrongQuestionDao.selectByUserId(id);
}
}
package user.service; import user.entity.User; import java.util.List; /**
* @author 阿水
* @create 2023-02-05 15:25
*/
public interface UserService {
int insert(User user);
int delete(int id);
int update(User user);
List<User> selectAll();
User selectById(int id);
int login(String loginName, String password);
}
package user.service; import user.entity.WrongQuestions; import java.util.List; /**
* @author 阿水
* @create 2023-02-07 17:23
*/
public interface WrongQuestionService {
int insert(WrongQuestions wrongQuestions);
int delete(int id);
int update(WrongQuestions wrongQuestions);
List<WrongQuestions> selectAll();
List<WrongQuestions> selectByUserId(int id);
}
package utils; import java.sql.*; /**
* @author 阿水
* @create 2023-02-04 19:20
*/
public class BaseDao {
//!!!!resultSet
private String url = "jdbc:mysql://localhost:3306/finalquestionbank?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai";
private String root = "root";
private String pwd = "XXXXXXXX";
private Connection connection;
private PreparedStatement preparedStatement;
private ResultSet resultSet; /**
* 增删改数据库 返回被执行操作的行数
* @param sql
* @return
* @throws Exception
*/
protected int update(String sql) throws Exception{
int var = 1;
PreparedStatement pst=getPreparedStatement(sql);
var = pst.executeUpdate();
this.closeAll();
return var;
} /**
* 查询 select 返回resultSet数据类型数据
* @param sql
* @return
* @throws Exception
*/
protected ResultSet find(String sql) throws Exception {
PreparedStatement pst1=getPreparedStatement(sql);
resultSet = pst1.executeQuery();
return resultSet;
}
/* protected ResultSet findByLogin(String sql) throws Exception {
PreparedStatement pst1=getPreparedStatement(sql);
resultSet = pst1.executeQuery();
return resultSet;
}*/ public Connection getConnection() throws Exception {
if (connection == null) {
Class.forName("com.mysql.cj.jdbc.Driver");
this.connection = DriverManager.getConnection(url, root, pwd);
}
return connection;
} public PreparedStatement getPreparedStatement(String sql) throws Exception {
this.preparedStatement = getConnection().prepareStatement(sql);
return preparedStatement;
} /**
* 关闭所有的SQL流
*/
public void closeAll() {
try {
if (this.resultSet != null) { this.resultSet.close();
}
if (this.preparedStatement!=null){ this.preparedStatement.close();
}
if (this.connection!=null){ this.connection.close();
}
} catch (Exception e) {
e.printStackTrace();
}
this.connection=null;
} }
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