ADD file via upload

获取课表/MyDatabaseHelper.java

@@ -0,0 +1,123 @@
+package com.example.fuckyou;
+
+import android.annotation.SuppressLint;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.util.Log;
+
+import java.io.File;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+
+public class MyDatabaseHelper extends SQLiteOpenHelper {
+
+    private static final String DATABASE_NAME = "MyDatabase.db";
+    private static final int DATABASE_VERSION = 1;
+    private Context context;
+    // 創建 Lesson 表格的 SQL 語句
+    private static final String CREATE_TABLE_LESSONS =
+            "CREATE TABLE lessons (" +
+                    "name TEXT, " +
+                    "teacher TEXT, " +
+                    "classroom TEXT, " +
+                    "fromClass INTEGER, " +
+                    "endClass INTEGER, " +
+                    "day INTEGER, " +
+                    "date TEXT);"; // 儲存日期，使用 ISO 格式 (yyyy-MM-dd)
+
+    public MyDatabaseHelper(Context context) {
+        super(context, DATABASE_NAME, null, DATABASE_VERSION);
+        this.context = context;
+    }
+    public File getMyDatabaseFile() {
+        return context.getDatabasePath("MyDatabase.db");
+    }
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(CREATE_TABLE_LESSONS); // 執行創建表格 SQL
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS lessons");
+        onCreate(db);
+    }
+    public void insertLesson(Lesson lesson) {
+        SQLiteDatabase db = this.getWritableDatabase();
+        ContentValues values = new ContentValues();
+        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-M-d");
+        values.put("name", lesson.name);
+        values.put("teacher", lesson.teacher);
+        values.put("classroom", lesson.classroom);
+        values.put("fromClass", lesson.fromClass);
+        values.put("endClass", lesson.endClass);
+        values.put("day", lesson.day);
+        values.put("date", dateFormat.format(lesson.date));
+        db.insert("lessons", null, values);
+    }
+    public void deleteLesson()
+    {
+        SQLiteDatabase db = this.getWritableDatabase();
+        db.delete("lessons",null,null);
+    }
+    @SuppressLint("Range")
+    public List<Lesson> alllesson() throws ParseException {
+        List<Lesson> data=new ArrayList<>();
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor=db.query("lessons", null, null, null, null, null, null);
+        while (cursor.moveToNext()) {
+            Lesson temp=new Lesson();
+            temp.name = cursor.getString(cursor.getColumnIndex("name"));
+            temp.teacher = cursor.getString(cursor.getColumnIndex("teacher"));
+            temp.classroom = cursor.getString(cursor.getColumnIndex("classroom"));
+            temp.fromClass = cursor.getInt(cursor.getColumnIndex("fromClass"));
+            temp.endClass = cursor.getInt(cursor.getColumnIndex("endClass"));
+            temp.day = cursor.getInt(cursor.getColumnIndex("day"));
+            SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy-M-d");
+            temp.date= dateFormat.parse(cursor.getString(cursor.getColumnIndex("date")));
+            data.add(temp);
+        }
+        cursor.close();
+        return data;
+    }
+    @SuppressLint("Range")
+    public List<Lesson> lessoninweek(Date date) throws ParseException
+    {
+        List<Lesson> data=new ArrayList<>();
+        SQLiteDatabase db = this.getWritableDatabase();
+        List<Date> tt=new ArrayList<>();
+        SimpleDateFormat sdf=new SimpleDateFormat("yyyy-M-d");
+        Calendar calendar=Calendar.getInstance();
+        calendar.setTime(date);
+        tt.add(date);
+        for (int i=0;i<6;i++)
+        {
+            calendar.add(Calendar.DATE,1);
+            Date temp=calendar.getTime();
+            tt.add(temp);
+        }
+        String []args=new String[]{sdf.format(tt.get(0)), sdf.format(tt.get(1)),sdf.format(tt.get(2)), sdf.format(tt.get(3)),sdf.format(tt.get(4)), sdf.format(tt.get(5)),sdf.format(tt.get(6))};
+        Cursor cursor = db.query("lessons", null, "date = ? OR date = ? OR date = ? OR date = ? OR date = ? OR date = ? OR date = ?",args , null, null, null);
+        while (cursor.moveToNext()) {
+            Lesson temp=new Lesson();
+            temp.name = cursor.getString(cursor.getColumnIndex("name"));
+            temp.teacher = cursor.getString(cursor.getColumnIndex("teacher"));
+            temp.classroom = cursor.getString(cursor.getColumnIndex("classroom"));
+            temp.fromClass = cursor.getInt(cursor.getColumnIndex("fromClass"));
+            temp.endClass = cursor.getInt(cursor.getColumnIndex("endClass"));
+            temp.day = cursor.getInt(cursor.getColumnIndex("day"));
+            SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy-M-d");
+            temp.date= dateFormat.parse(cursor.getString(cursor.getColumnIndex("date")));
+            data.add(temp);
+            Log.d("hahaha","scuess");
+        }
+        return data;
+    }
+}