2024.3.19（周二）总结

通过grandle版本的变化改进代码，完成删改，但是查询仍然报错。

package com.example.learningrecords;

import static com.example.learningrecords.dao.StudentDao.getCurrentLoggedInUserId;
import android.annotation.SuppressLint;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

import com.example.learningrecords.R;
import com.example.learningrecords.dao.RecordDao;
import com.example.learningrecords.dao.StudentDao;
import com.example.learningrecords.entity.Record;

public class DailyCheckIn extends AppCompatActivity {

    private EditText startTimeEditText;
    private EditText endTimeEditText;
    private EditText weekNumberEditText;
    private EditText studyRecordEditText;
    private Button submitButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_daily_check_in);

        // 初始化界面组件
        startTimeEditText = findViewById(R.id.startTimeEditText);
        endTimeEditText = findViewById(R.id.endTimeEditText);
        weekNumberEditText = findViewById(R.id.weekNumberEditText);
        studyRecordEditText = findViewById(R.id.studyRecordEditText);
        submitButton = findViewById(R.id.submitButton);

    }

    // 方法：插入每日打卡数据
    public void insertDailyCheckIn(View view) {

        String startTime = startTimeEditText.getText().toString();
        String endTime = endTimeEditText.getText().toString();
        String weekNumber = weekNumberEditText.getText().toString();
        String studyRecord = studyRecordEditText.getText().toString();

        // 创建 Record 对象
        Record record = new Record();
        record.setStudentId(getCurrentLoggedInUserId());
        record.setStartTime(startTime);
        record.setEndTime(endTime);
        record.setWeekNum(Integer.parseInt(weekNumber));
        record.setRecording(studyRecord);

        new Thread() {
            @Override
            public void run() {
                RecordDao recordDao = new RecordDao();
                boolean success = recordDao.insertRecord(record);
                if (success) {
                    hand.sendEmptyMessage(1); // 插入成功消息
                    StudentDao.incrementSetRecord();
                } else {
                    hand.sendEmptyMessage(0); // 插入失败消息
                }
            }
        }.start();
    }

    // Handler 处理消息
    @SuppressLint("HandlerLeak")
    final Handler hand = new Handler() {
        public void handleMessage(Message msg) {
            if (msg.what == 0) {
                Toast.makeText(getApplicationContext(), "每日打卡数据录入失败", Toast.LENGTH_LONG).show();
            } else if (msg.what == 1) {
                Toast.makeText(getApplicationContext(), "每日打卡数据录入成功", Toast.LENGTH_LONG).show();
                finish(); // 插入成功后关闭当前活动
            }
        }
    };
}