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zyx 2022-11-04 20:03:19 +08:00
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.idea/.gitignore generated vendored Normal file
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# 默认忽略的文件
/shelf/
/workspace.xml
# 基于编辑器的 HTTP 客户端请求
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<annotationProcessing>
<profile default="true" name="Default" enabled="true" />
<profile name="Maven default annotation processors profile" enabled="true">
<sourceOutputDir name="target/generated-sources/annotations" />
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
<outputRelativeToContentRoot value="true" />
<module name="week10-work1" />
</profile>
</annotationProcessing>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>

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<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Central Repository" />
<option name="url" value="https://maven.aliyun.com/repository/public" />
</remote-repository>
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
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<option value="$PROJECT_DIR$/pom.xml" />
</list>
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<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>cn.czyx007.week10</groupId>
<artifactId>week10-work1</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>net.sourceforge.jexcelapi</groupId>
<artifactId>jxl</artifactId>
<version>2.6.12</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.10</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.20</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

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src/main/java/cn/czyx007/week10/Driver.java Normal file
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package cn.czyx007.week10;
import cn.czyx007.week10.bean.User;
import cn.czyx007.week10.service.MainMenu;
import cn.czyx007.week10.service.UserLogin;
import java.util.Scanner;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class Driver {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int cnt = 0;
User user = null;
while (cnt < 3) {
System.out.print("请输入用户名：");
String username = scanner.nextLine();
System.out.print("请输入密码：");
String password = scanner.nextLine();
user = new User(username, password);
if (UserLogin.login(user)) {
break;
} else {
System.out.println("您输入的用户名或密码不正确");
}
cnt++;
}
if (cnt == 3){
System.out.println("尝试超限！程序已退出");
return;
}
MainMenu.menu(user);
}
}

39
src/main/java/cn/czyx007/week10/bean/Student.java Normal file
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package cn.czyx007.week10.bean;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
@NoArgsConstructor
@AllArgsConstructor
@Data
public class Student {
/**
* 学号
*/
private String id;
/**
* 姓名
*/
private String name;
/**
* 性别
*/
private String gender;
/**
* 课程名称
*/
private String lessonName;
/**
* 成绩
*/
private Double score;
}

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src/main/java/cn/czyx007/week10/bean/User.java Normal file
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package cn.czyx007.week10.bean;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
@NoArgsConstructor
@AllArgsConstructor
@Data
public class User {
/**
* 用户名
*/
private String username;
/**
* 密码
*/
private String password;
}

110
src/main/java/cn/czyx007/week10/service/MainMenu.java Normal file
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package cn.czyx007.week10.service;
import cn.czyx007.week10.bean.Student;
import cn.czyx007.week10.bean.User;
import cn.czyx007.week10.utils.ExcelUtil;
import cn.czyx007.week10.utils.JsonUtil;
import cn.czyx007.week10.utils.StudentUtil;
import cn.czyx007.week10.utils.TxtUtil;
import java.util.List;
import java.util.Scanner;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class MainMenu {
/**
* 主菜单界面和业务逻辑控制
* @param user 已成功登录的用户
*/
public static void menu(User user){
int opt;
List<Student> students = null;
Scanner scanner = new Scanner(System.in);
while (true){
System.out.println("=====学生成绩管理系统=======\n" +
"1.从excel文件中加载数据\n" +
"2.从文本文件中加载数据\n" +
"3.从json文件中加载数据\n" +
"4.键盘输入数据\n" +
"5.成绩查询\n" +
"6.输出到excel文件\n" +
"7.输出到纯文本文件\n" +
"8.输出到json文件\n" +
"9.修改密码\n" +
"10.退出\n" +
"请输入选项：>>>");
do {
opt = checkInput(1, 10);
} while (opt == -1);
switch (opt){
case 1://1.从excel文件中加载数据
students = ExcelUtil.loadDataFromExcel();
break;
case 2://2.从文本文件中加载数据
students = TxtUtil.loadDataFromTxt();
break;
case 3://3.从json文件中加载数据
students = JsonUtil.loadDataFromJson();
break;
case 4://4.键盘输入数据
students = StudentUtil.inputDataFromKeyBoard();
break;
case 5://5.成绩查询
System.out.println("请输入待查询学生的学号：");
String id = new Scanner(System.in).nextLine();
StudentUtil.selectAllScoreById(id, students);
break;
case 6://6.输出到excel文件
ExcelUtil.exportDataToExcel(students);
break;
case 7://7.输出到纯文本文件
TxtUtil.exportDataToTxt(students);
break;
case 8://8.输出到json文件
JsonUtil.exportDataToJson(students);
break;
case 9://9.修改密码
UserLogin.changePassword(user);
break;
case 10://10.退出
while (true) {
System.out.println("确认退出系统吗？(Y/N)：");
String option = scanner.nextLine();
if ("Y".equalsIgnoreCase(option)) {
System.exit(0);
} else if ("N".equalsIgnoreCase(option)) {
break;
} else {
System.out.println("输入错误！请重新输入！");
}
}
}
System.out.println();
}
}
/**
* 检查菜单选项输入合法性
* @param low 选项下界
* @param high 选项上界
* @return 合法选项值
*/
public static int checkInput(int low, int high) {
Scanner scanner = new Scanner(System.in);
if (scanner.hasNextInt()) {
int opt = scanner.nextInt();
if (opt >= low && opt <= high) {
return opt;
}
System.out.println("输入超限，请输入" + low + "-" + high + "的数字");
} else {
System.out.println("输入数据类型错误，请输入" + low + "-" + high + "的数字");
scanner.next();
}
return -1;
}
}

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src/main/java/cn/czyx007/week10/service/UserLogin.java Normal file
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package cn.czyx007.week10.service;
import cn.czyx007.week10.bean.User;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class UserLogin {
/**
* 登录
* @param user 待登录的User对象，属性为输入的用户名和密码
* @return true:登录成功 false: 登录失败
*/
public static boolean login(User user){
try(BufferedReader br = new BufferedReader(new FileReader("src/main/resources/users.csv"))) {
String aLine;
while ((aLine=br.readLine()) != null){
String[] nameAndPwd = aLine.split(" ");
if(nameAndPwd[0].equals(user.getUsername()) && nameAndPwd[1].equals(user.getPassword())){
return true;
}
}
} catch (Exception e){
e.printStackTrace();
}
return false;
}
/**
* 验证输入的 原密码 是否正确
* @param user 待验证密码的User对象
* @param oldPassword 输入的原密码
* @return true:输入的原密码正确 false:输入的原密码错误
*/
public static boolean checkPassword(User user, String oldPassword){
return user.getPassword().equals(oldPassword);
}
/**
* 修改密码并写回到users.csv文件中
* @param user 待修改密码的User对象
*/
public static void changePassword(User user){
Scanner scanner = new Scanner(System.in);
System.out.println("请输入原密码：");
String oldPassword = scanner.nextLine();
if (!UserLogin.checkPassword(user, oldPassword)) {
System.out.println("密码输入错误！");
} else {
System.out.println("请输入新密码：");
String newPassword = scanner.nextLine();
user.setPassword(newPassword);
updateUserDataFile(user);
System.out.println("密码已修改！");
}
try {
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 更新用户数据文件users.csv中的某用户的密码
* @param user 待更新密码的User对象
*/
public static void updateUserDataFile(User user){
//读取原有用户数据
List<User> users = new ArrayList<>();
try(BufferedReader br = new BufferedReader(new FileReader("src/main/resources/users.csv"))) {
String aLine;
while ((aLine= br.readLine()) != null){
String[] nameAndPwd = aLine.split(" ");
users.add(new User(nameAndPwd[0], nameAndPwd[1]));
}
} catch (Exception e){
e.printStackTrace();
}
//修改指定用户密码
for (User usr : users) {
if(usr.getUsername().equals(user.getUsername())){
usr.setPassword(user.getPassword());
}
}
//将修改后的数据写回到文件中
try(BufferedWriter bw = new BufferedWriter(new FileWriter("src/main/resources/users.csv"))) {
for (User usr : users) {
bw.write(usr.getUsername() + " " + usr.getPassword() + "\n");
}
} catch (Exception e){
e.printStackTrace();
}
}
}

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src/main/java/cn/czyx007/week10/utils/ExcelUtil.java Normal file
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package cn.czyx007.week10.utils;
import cn.czyx007.week10.bean.Student;
import jxl.Sheet;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class ExcelUtil {
/**
* 从excel文件中加载数据
* @return 所有不重复的学生数据的List集合
*/
public static List<Student> loadDataFromExcel() {
List<Student> students = new ArrayList<>();
Map<String, List<String>> studentMap = new HashMap<>();
Workbook wb = null;
try {
wb = Workbook.getWorkbook(new File("src/main/resources/student.xls"));
Sheet sheet = wb.getSheet(0);
int cnt = 0;
int rows = sheet.getRows();
for (int i = 1; i < rows; i++) {
String id = sheet.getCell(0,i).getContents();
String name = sheet.getCell(1,i).getContents();
String gender = sheet.getCell(2,i).getContents();
String lessonName = sheet.getCell(3,i).getContents();
Double score = Double.parseDouble(sheet.getCell(4,i).getContents());
if(StudentUtil.checkIfStudentScoreDuplicate(studentMap, id, lessonName)){
students.add(new Student(id, name, gender, lessonName, score));
cnt++;
}
}
System.out.println("成功导入 " + cnt + " 条学生数据");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导入失败！");
e.printStackTrace();
}finally {
if (wb != null){
try {
wb.close();
}catch (Exception e){
e.printStackTrace();
}
}
}
return students;
}
/**
* 导出学生成绩信息到excel文件中
* @param students 待导出成绩信息的学生数据的List集合
*/
public static void exportDataToExcel(List<Student> students) {
WritableWorkbook wb = null;
try {
wb = Workbook.createWorkbook(new File("src/main/resources/score.xls"));
WritableSheet ws = wb.createSheet("学生成绩", 0);
ws.addCell(new Label(0,0,"学号"));
ws.addCell(new Label(1,0,"姓名"));
ws.addCell(new Label(2,0,"性别"));
ws.addCell(new Label(3,0,"总分"));
ws.addCell(new Label(4,0,"平均分"));
int studentCnt = 0;
Map<String, Boolean> isWritten = new HashMap<>();
for (int i = 0; i < students.size(); i++) {
if(isWritten.containsKey(students.get(i).getId())){
continue;
}
ws.addCell(new Label(0,studentCnt+1,students.get(i).getId()));
ws.addCell(new Label(1,studentCnt+1,students.get(i).getName()));
ws.addCell(new Label(2,studentCnt+1,students.get(i).getGender()));
int lessonCnt=0;
double allScore=0;
for (Student stu : students) {
if(stu.getId().equals(students.get(i).getId())){
lessonCnt++;
allScore += stu.getScore();
}
}
ws.addCell(new Label(3, studentCnt+1, Double.toString(allScore)));
ws.addCell(new Label(4, studentCnt+1, Double.toString(allScore/lessonCnt)));
studentCnt++;
isWritten.put(students.get(i).getId(), true);
}
wb.write();
System.out.println("成功导出 " + studentCnt + " 条学生成绩信息到 excel 文件中");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导出失败！");
e.printStackTrace();
} finally {
if (wb != null) {
try {
wb.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}

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src/main/java/cn/czyx007/week10/utils/JsonUtil.java Normal file
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package cn.czyx007.week10.utils;
import cn.czyx007.week10.bean.Student;
import com.google.gson.*;
import com.google.gson.reflect.TypeToken;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class JsonUtil {
/**
* 从json文件中加载数据
* @return 所有不重复的学生数据的List集合
*/
public static List<Student> loadDataFromJson() {
List<Student> students = null;
try (BufferedReader br = new BufferedReader(new FileReader("src/main/resources/student.json"))) {
StringBuilder jsonStr = new StringBuilder();
String aLine;
while ((aLine=br.readLine()) != null){
jsonStr.append(aLine);
}
students = new GsonBuilder().create().fromJson(jsonStr.toString(), new TypeToken<ArrayList<Student>>(){}.getType());
Map<String, List<String>> studentMap = new HashMap<>();
for (int i = 0; i < students.size(); i++) {
String id = students.get(i).getId();
String lessonName = students.get(i).getLessonName();
if (!StudentUtil.checkIfStudentScoreDuplicate(studentMap, id, lessonName)){
students.remove(i--);
}
}
System.out.println("成功导入 " + students.size() + " 条学生数据");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导入失败！");
e.printStackTrace();
}
return students;
}
/**
* 导出学生成绩信息到json文件中
* @param students 待导出成绩信息的学生数据的List集合
*/
public static void exportDataToJson(List<Student> students) {
try (BufferedWriter bw = new BufferedWriter(new FileWriter("src/main/resources/score.json"))) {
JsonArray jsonArray = new JsonArray();
int studentCnt = 0;
Map<String, Boolean> isWritten = new HashMap<>();
for (int i = 0; i < students.size(); i++) {
if (isWritten.containsKey(students.get(i).getId())) {
continue;
}
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("id", students.get(i).getId());
jsonObject.addProperty("name", students.get(i).getName());
jsonObject.addProperty("gender", students.get(i).getGender());
int lessonCnt = 0;
double allScore = 0;
for (Student stu : students) {
if (stu.getId().equals(students.get(i).getId())) {
lessonCnt++;
allScore += stu.getScore();
}
}
jsonObject.addProperty("total", allScore);
jsonObject.addProperty("average", allScore / lessonCnt);
jsonArray.add(jsonObject);
studentCnt++;
isWritten.put(students.get(i).getId(), true);
}
Gson gson = new GsonBuilder().setPrettyPrinting().create();
bw.write(gson.toJson(jsonArray));
System.out.println("成功导出 " + studentCnt + " 条学生成绩信息到 json 文件中");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导出失败！");
e.printStackTrace();
}
}
}

104
src/main/java/cn/czyx007/week10/utils/StudentUtil.java Normal file
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package cn.czyx007.week10.utils;
import cn.czyx007.week10.bean.Student;
import java.io.IOException;
import java.util.*;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class StudentUtil {
/**
* 检查学生课程成绩是否重复
* @param studentMap 存储各学生的所有课程名称，用于辅助验证特定课程成绩是否重复。
* Key存储学生学号，Value存储学生所有课程名称的List集合
* @param id 学生学号
* @param lessonName 特定课程名称
* @return true:课程成绩未重复 false:课程成绩重复
*/
public static boolean checkIfStudentScoreDuplicate(Map<String, List<String>> studentMap, String id, String lessonName) {
if (!(studentMap.containsKey(id) && studentMap.get(id).contains(lessonName))) {
if (!studentMap.containsKey(id)) {
List<String> lessons = new ArrayList<>();
lessons.add(lessonName);
studentMap.put(id, lessons);
} else {
studentMap.get(id).add(lessonName);
}
return true;
}
return false;
}
/**
* 从键盘依次录入学生成绩信息
* @return 录入的所有学生成绩信息的List集合
*/
public static List<Student> inputDataFromKeyBoard() {
List<Student> students = new ArrayList<>();
System.out.println("学生成绩信息录入格式：学号，姓名，性别，课程名称，成绩");
Scanner scanner = new Scanner(System.in);
Map<String, List<String>> studentMap = new HashMap<>();
while (true) {
System.out.println("请依次输入学生成绩信息(输入end结束)：");
String str = scanner.nextLine();
if ("end".equalsIgnoreCase(str)) {
break;
}
try {
String[] attributes = str.split("[,，]");
String id = attributes[0];
String name = attributes[1];
String gender = attributes[2];
String lessonName = attributes[3];
Double score = Double.parseDouble(attributes[4]);
if (StudentUtil.checkIfStudentScoreDuplicate(studentMap, id, lessonName)) {
students.add(new Student(id, name, gender, lessonName, score));
System.out.println("增加成功！");
} else {
System.out.println("该学生不能重复录入成绩信息，请重新输入！");
}
} catch (Exception e) {
System.out.println("输入出错！请检查输入格式！");
}
}
try {
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (IOException e) {
e.printStackTrace();
}
return students;
}
/**
* 根据学生学号查询其所有课程成绩
* @param id 待查询课程成绩的学生学号
* @param students 所有学生成绩信息的List集合
*/
public static void selectAllScoreById(String id, List<Student> students) {
boolean flag = false;
if (students != null) {
for (Student student : students) {
if (student.getId().equals(id)) {
flag = true;
System.out.println(student.getLessonName() + " " + student.getScore());
}
}
}
if (!flag) {
System.out.println("不存在该学生！");
}
try {
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (IOException e) {
e.printStackTrace();
}
}
}

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src/main/java/cn/czyx007/week10/utils/TxtUtil.java Normal file
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package cn.czyx007.week10.utils;
import cn.czyx007.week10.bean.Student;
import java.io.*;
import java.util.*;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class TxtUtil {
/**
* 从txt文件中加载数据
* @return 所有不重复的学生数据的List集合
*/
public static List<Student> loadDataFromTxt() {
List<Student> students = new ArrayList<>();
Map<String, List<String>> studentMap = new HashMap<>();
try(BufferedReader br = new BufferedReader(new FileReader("src/main/resources/student.txt"))) {
int cnt = 0;
String aLine;
br.readLine();
while ((aLine=br.readLine()) != null){
String[] attributes = aLine.split("[ \t]");
String id = attributes[0];
String name = attributes[1];
String gender = attributes[2];
String lessonName = attributes[3];
Double score = Double.parseDouble(attributes[4]);
if(StudentUtil.checkIfStudentScoreDuplicate(studentMap, id, lessonName)){
students.add(new Student(id, name, gender, lessonName, score));
cnt++;
}
}
System.out.println("成功导入 " + cnt + " 条学生数据");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导入失败！");
e.printStackTrace();
}
return students;
}
/**
* 导出学生成绩信息到txt文件中
* @param students 待导出成绩信息的学生数据的List集合
*/
public static void exportDataToTxt(List<Student> students) {
try(BufferedWriter bw = new BufferedWriter(new FileWriter("src/main/resources/score.txt"))) {
bw.write("学号\t姓名\t性别\t总分\t平均分\n");
int studentCnt = 0;
Map<String, Boolean> isWritten = new HashMap<>();
for (int i = 0; i < students.size(); i++) {
if(isWritten.containsKey(students.get(i).getId())){
continue;
}
bw.write(students.get(i).getId() + "\t" + students.get(i).getName() + "\t" + students.get(i).getGender() + "\t");
int lessonCnt=0;
double allScore=0;
for (Student stu : students) {
if(stu.getId().equals(students.get(i).getId())){
lessonCnt++;
allScore += stu.getScore();
}
}
bw.write(allScore + "\t" + allScore/lessonCnt + "\n");
studentCnt++;
isWritten.put(students.get(i).getId(), true);
}
System.out.println("成功导出 " + studentCnt + " 条学生成绩信息到 txt 文件中");
System.out.print("按任意键返回主菜单");
System.in.read();
} catch (Exception e) {
System.out.println("数据导出失败！");
e.printStackTrace();
}
}
}

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src/main/resources/score.json Normal file
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[
{
"id": "1001",
"name": "张三",
"gender": "男",
"total": 279.0,
"average": 93.0
},
{
"id": "1002",
"name": "李四",
"gender": "男",
"total": 98.0,
"average": 98.0
},
{
"id": "1003",
"name": "王五",
"gender": "女",
"total": 175.0,
"average": 87.5
},
{
"id": "1004",
"name": "赵六",
"gender": "女",
"total": 82.0,
"average": 82.0
}
]

5
src/main/resources/score.txt Normal file
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学号 姓名 性别 总分 平均分
1001 张三 男 279.0 93.0
1002 李四 男 98.0 98.0
1003 王五 女 175.0 87.5
1004 赵六 女 82.0 82.0

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src/main/resources/score.xls Normal file
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src/main/resources/student.json Normal file
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[
{
"id": "1001",
"name": "张三",
"gender": "男",
"lessonName": "高数",
"score": 95
},
{
"id": "1001",
"name": "张三",
"gender": "男",
"lessonName": "高数",
"score": 55
},
{
"id": "1001",
"name": "张三",
"gender": "男",
"lessonName": "c语言",
"score": 94
},
{
"id": "1002",
"name": "李四",
"gender": "男",
"lessonName": "英语",
"score": 98
},
{
"id": "1003",
"name": "王五",
"gender": "女",
"lessonName": "高数",
"score": 90
},
{
"id": "1001",
"name": "张三",
"gender": "男",
"lessonName": "英语",
"score": 90
},
{
"id": "1003",
"name": "王五",
"gender": "女",
"lessonName": "英语",
"score": 85
},
{
"id": "1004",
"name": "赵六",
"gender": "女",
"lessonName": "高数",
"score": 82
}
]

9
src/main/resources/student.txt Normal file
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学号 姓名 性别 课程名称 成绩
1001 张三 男 高数 95
1001 张三 男 c语言 94
1002 李四 男 英语 98
1003 王五 女 高数 90
1001 张三 男 英语 90
1003 王五 女 英语 85
1004 赵六 女 高数 82
1001 张三 男 高数 55

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admin 123
zhangsan abc123
1 admin 123
2 zhangsan abc123

25
src/test/java/cn/czyx007/week10/test/ExcelUtilTest.java Normal file
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package cn.czyx007.week10.test;
import cn.czyx007.week10.bean.Student;
import cn.czyx007.week10.utils.ExcelUtil;
import org.junit.Test;
import java.util.List;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class ExcelUtilTest {
@Test
public void testLoadDataFromExcel(){
List<Student> students = ExcelUtil.loadDataFromExcel();
students.forEach(System.out::println);
}
@Test
public void testExportDataToExcel(){
List<Student> students = ExcelUtil.loadDataFromExcel();
ExcelUtil.exportDataToExcel(students);
}
}

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src/test/java/cn/czyx007/week10/test/JsonUtilTest.java Normal file
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package cn.czyx007.week10.test;
import cn.czyx007.week10.bean.Student;
import cn.czyx007.week10.utils.JsonUtil;
import org.junit.Test;
import java.util.List;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class JsonUtilTest {
@Test
public void testLoadDataFromJson(){
List<Student> students = JsonUtil.loadDataFromJson();
students.forEach(System.out::println);
}
@Test
public void testExportDataToJson(){
List<Student> students = JsonUtil.loadDataFromJson();
JsonUtil.exportDataToJson(students);
}
}

43
src/test/java/cn/czyx007/week10/test/StudentUtilTest.java Normal file
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package cn.czyx007.week10.test;
import cn.czyx007.week10.bean.Student;
import cn.czyx007.week10.utils.StudentUtil;
import cn.czyx007.week10.utils.TxtUtil;
import org.junit.Test;
import java.util.*;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class StudentUtilTest {
@Test
public void testCheckIfStudentScoreDuplicate() {
List<Student> students = new ArrayList<>();
students.add(new Student("1001", "张三", "男", "高数", 95.0));
Map<String, List<String>> studentMap = new HashMap<>();
List<String> lessons = new ArrayList<>();
lessons.add("高数");
lessons.add("英语");
studentMap.put("1001", lessons);
if (!StudentUtil.checkIfStudentScoreDuplicate(studentMap, "1001", "高数")) {
System.out.println("Duplicated!");
students.forEach(System.out::println);
}
}
@Test
public void testSelectAllScoreById(){
List<Student> students = TxtUtil.loadDataFromTxt();
StudentUtil.selectAllScoreById("1001", students);
}
//testInputDataFromKeyBoard
public static void main(String[] args) {
List<Student> students = StudentUtil.inputDataFromKeyBoard();
students.forEach(System.out::println);
}
}

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src/test/java/cn/czyx007/week10/test/TxtUtilTest.java Normal file
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package cn.czyx007.week10.test;
import cn.czyx007.week10.bean.Student;
import cn.czyx007.week10.utils.TxtUtil;
import org.junit.Test;
import java.util.List;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class TxtUtilTest {
@Test
public void testLoadDataFromTxt(){
List<Student> students = TxtUtil.loadDataFromTxt();
students.forEach(System.out::println);
}
@Test
public void testExportDataToTxt(){
List<Student> students = TxtUtil.loadDataFromTxt();
TxtUtil.exportDataToTxt(students);
}
}

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src/test/java/cn/czyx007/week10/test/UserLoginTest.java Normal file
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package cn.czyx007.week10.test;
import cn.czyx007.week10.bean.User;
import cn.czyx007.week10.service.UserLogin;
import org.junit.Test;
/**
* @author : 张宇轩
* @createTime : 2022/11/3
*/
public class UserLoginTest {
@Test
public void testLogin(){
if (UserLogin.login(new User("admin", "123"))) {
System.out.println("true");
} else System.out.println("false");
}
@Test
public void testCheckPassword(){
if (UserLogin.checkPassword(new User("admin", "123"), "123")){
System.out.println("true");
} else System.out.println("false");
}
@Test
public void testUpdateUserDataFile(){
UserLogin.updateUserDataFile(new User("admin", "123"));
}
//testChangePassword
public static void main(String[] args) {
UserLogin.changePassword(new User("admin", "123"));
}
}