From df6b44c5694c0a4bd7f6e5438c0372e28255d1bd Mon Sep 17 00:00:00 2001
From: 643a0f6f2e6b2c0eaeb05acd <643a0f6f2e6b2c0eaeb05acd@devide>
Date: Sat, 15 Apr 2023 02:46:52 +0000
Subject: [PATCH] Auto commit
---
keshe/keshe.iml | 11 ++++
keshe/out/output.txt | 0
keshe/src/FileIo.java | 34 +++++++++++
keshe/src/Main.java | 4 ++
keshe/src/Menu.java | 128 ++++++++++++++++++++++++++++++++++++++++++
keshe/src/Source.java | 102 +++++++++++++++++++++++++++++++++
keshe/src/Utils.java | 18 ++++++
7 files changed, 297 insertions(+)
create mode 100644 keshe/keshe.iml
create mode 100644 keshe/out/output.txt
create mode 100644 keshe/src/FileIo.java
create mode 100644 keshe/src/Main.java
create mode 100644 keshe/src/Menu.java
create mode 100644 keshe/src/Source.java
create mode 100644 keshe/src/Utils.java
diff --git a/keshe/keshe.iml b/keshe/keshe.iml
new file mode 100644
index 0000000..9465dd8
--- /dev/null
+++ b/keshe/keshe.iml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/keshe/out/output.txt b/keshe/out/output.txt
new file mode 100644
index 0000000..e69de29
diff --git a/keshe/src/FileIo.java b/keshe/src/FileIo.java
new file mode 100644
index 0000000..afd8c1f
--- /dev/null
+++ b/keshe/src/FileIo.java
@@ -0,0 +1,34 @@
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+
+class FileIO {
+ public static void read(ArrayList sources) throws IOException {
+ // 防止文件建立或读取失败，用catch捕捉错误并打印，也可以throw
+ /* 读入TXT文件 */
+ FileReader fr = new FileReader("d:/naoki/output.txt");
+ BufferedReader br = new BufferedReader(fr); // 建立一个对象，它把文件内容转成计算机能读懂的语言
+ String line = null;
+ while ((line = br.readLine()) != null) {
+ System.out.println(line);
+ }
+ br.close();
+
+ }
+
+ public static void write(ArrayList sources){
+ try {
+ /* 写入Txt文件 */
+ File writename = new File("output.txt"); // 相对路径，如果没有则要建立一个新的output。txt文件
+ writename.createNewFile(); // 创建新文件
+ BufferedWriter out = new BufferedWriter(new FileWriter(writename));
+ for(Source sc:sources){
+ out.write(sc.toString()+"\r\n"); // \r\n即为换行
+ }
+ out.flush(); // 把缓存区内容压入文件
+ out.close(); // 最后记得关闭文件
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ }
+}
\ No newline at end of file
diff --git a/keshe/src/Main.java b/keshe/src/Main.java
new file mode 100644
index 0000000..01e0b25
--- /dev/null
+++ b/keshe/src/Main.java
@@ -0,0 +1,4 @@
+public class Main {
+ public static void main(String[] args) {
+ }
+}
\ No newline at end of file
diff --git a/keshe/src/Menu.java b/keshe/src/Menu.java
new file mode 100644
index 0000000..c8b7fc1
--- /dev/null
+++ b/keshe/src/Menu.java
@@ -0,0 +1,128 @@
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Scanner;
+//import static FileOperation;
+
+
+//javac -encoding UTF-8 xxx.java
+class Menu {
+ private static ArrayList sources = new ArrayList<>();
+ public static void main(String[] args) throws IOException {
+ Scanner in = new Scanner(System.in);
+ int choice;//选项
+ while (true) {
+ showMenu();
+ try {
+ choice = in.nextInt();
+ switch (choice) {
+ case 1:
+ try {
+ sources.add(newSource());
+ System.out.println("添加成功");
+ } catch (Exception e) {
+ System.out.println("添加失败。。等下重试");
+ }
+ break;
+ case 2:
+ System.out.println("课程列表如下：");
+ readSource();
+ break;
+ case 3:
+ querySource();
+ break;
+ case 4:
+ saveSource();
+ break;
+ default:
+ System.out.println("输入有误，请重试");
+ break;
+ }
+ } catch (Exception e) {
+ System.out.println("输入有误，请重试");
+ }
+ }
+ }
+
+ public static void showMenu() {
+ System.out.println();
+ System.out.println();
+ System.out.println("=====================");
+ System.out.println("=欢迎使用课程选修系统=");
+ System.out.println("=1. 添加课程 =");
+ System.out.println("=2. 显示所有课程 =");
+ System.out.println("=3. 查询课程 =");
+ System.out.println("=4. 保存课程 =");
+ System.out.println("=====================");
+ System.out.println("输入你的选择:");
+ }
+
+ private static Source newSource() {
+ /*
+ * 课程
+ * 课程编号，课程名称，
+ 课程性质(公共课、必修课、选修课)，总学时，授课学时，
+ 实验或上机学时，学分，开课学期等信息
+ **/
+ Scanner in = new Scanner(System.in);
+ String sNo;//uuid
+ String sName;
+ String sXingzhi;
+ int sShouke;
+ int sShiyan;
+ double sXuefen;
+ String sXueqi;
+
+ sNo=Utils.uuid();
+ System.out.println("输入课程名称:");
+ sName=in.next();
+ System.out.println("输入课程性质(1--选修，2--必修):");
+ sXingzhi=in.next();
+ System.out.println("输入授课学时(数字):");
+ sShouke=in.nextInt();
+ System.out.println("输入实验学时(数字):");
+ sShiyan=in.nextInt();
+ System.out.println("输入学分:");
+ sXuefen=in.nextDouble();
+ System.out.println("输入开课学期:");
+ sXueqi=in.next();
+
+ return new Source(sNo,sName,sXingzhi,sShouke,sShiyan,sXuefen,sXueqi);
+
+ }
+
+ private static void querySource() throws IOException {
+ System.out.println("请输入查询类别：");
+ System.out.println("1---按照学分查询");
+ System.out.println("2---按照课程性质查询");
+ Scanner in = new Scanner(System.in);
+ int choice = in.nextInt();
+ double key;
+ if (choice == 1) {
+ System.out.println("输入学分:");
+ key = in.nextDouble();
+ for (Source sc : sources) {
+ if (sc.getsXuefen() == key) {
+ System.out.println(sc);
+ }
+ }
+ } else if (choice == 2) {
+ System.out.println("输入查询课程性质(1--选修，2--必修):");
+ String xingzhi = in.next();
+ for (Source sc : sources) {
+ if (sc.getsXingzhi().equals(xingzhi)) {
+ System.out.println(sc);
+ }
+ }
+ } else {
+ System.out.println("输入有误");
+ }
+ }
+ private static void readSource() throws IOException {
+ FileIO.read(sources);
+ }
+ private static void saveSource(){
+ FileIO.write(sources);
+ System.out.println("写入成功");
+ }
+}
+
diff --git a/keshe/src/Source.java b/keshe/src/Source.java
new file mode 100644
index 0000000..4c74c4b
--- /dev/null
+++ b/keshe/src/Source.java
@@ -0,0 +1,102 @@
+/**
+ * 课程
+ * 课程编号，课程名称，
+ 课程性质(公共课、必修课、选修课)，总学时，授课学时
+ */
+public class Source {
+ private String sNo;//uuid
+ private String sName;
+ private String sXingzhi;
+ //private int sZongxueshi;总学时=授课+实验
+ private int sShouke;
+ private int sShiyan;
+ private double sXuefen;
+ private String sXueqi;
+
+ public String getsNo() {
+
+ return sNo;
+ }
+
+ public void setsNo(String sNo) {
+
+ this.sNo = sNo;
+ }
+
+ public String getsName() {
+
+ return sName;
+ }
+
+ public void setsName(String sName) {
+
+ this.sName = sName;
+ }
+
+ public String getsXingzhi() {
+
+ return sXingzhi;
+ }
+
+ public void setsXingzhi(String sXingzhi) {
+ this.sXingzhi = sXingzhi;
+ }
+
+ public int getsShouke() {
+ return sShouke;
+ }
+
+ public void setsShouke(int sShouke) {
+ this.sShouke = sShouke;
+ }
+
+ public int getsShiyan() {
+ return sShiyan;
+ }
+
+ public void setsShiyan(int sShiyan) {
+ this.sShiyan = sShiyan;
+ }
+
+ public double getsXuefen() {
+ return sXuefen;
+ }
+
+ public void setsXuefen(double sXuefen) {
+ this.sXuefen = sXuefen;
+ }
+
+ public String getsXueqi() {
+ return sXueqi;
+ }
+
+ public void setsXueqi(String sXueqi) {
+ this.sXueqi = sXueqi;
+ }
+
+ public Source(String sNo, String sName, String sXingzhi, int sShouke, int sShiyan, double sXuefen, String sXueqi) {
+ this.sNo = sNo;
+ this.sName = sName;
+ this.sXingzhi = sXingzhi;
+ this.sShouke = sShouke;
+ this.sShiyan = sShiyan;
+ this.sXuefen = sXuefen;
+ this.sXueqi = sXueqi;
+ }
+
+ public Source() {
+ }
+
+ @Override
+ public String toString() {
+ return "课程{" +
+ "编号='" + sNo + '\'' +
+ ", 课程名='" + sName + '\'' +
+ ", 课程性质='" + sXingzhi + '\'' +
+ ", 授课学时=" + sShouke +
+ ", 实验学时=" + sShiyan +
+ ", 学分=" + sXuefen +
+ ", 开课学期='" + sXueqi + '\'' +
+ '}';
+ }
+}
diff --git a/keshe/src/Utils.java b/keshe/src/Utils.java
new file mode 100644
index 0000000..c6a11fe
--- /dev/null
+++ b/keshe/src/Utils.java
@@ -0,0 +1,18 @@
+import java.util.UUID;
+
+public class Utils {
+ /*
+ 设置UUid
+ */
+ public static String uuid(){
+ String uuid= UUID.randomUUID().toString();
+ char[] cs=new char[32];
+ int j=0;
+ for(int i=uuid.length();i-->0;){
+ if(uuid.charAt(i)!='-'){
+ cs[j++]=uuid.charAt(i);
+ }
+ }
+ return new String(cs);
+ }
+}
--
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