2021/3/15

1.今日收获内容
按班级查出

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="46dp"
        android:text="班级："
        android:textSize="30dp" />

    <EditText
        android:id="@+id/edit_66"
        android:layout_width="match_parent"
        android:layout_height="55dp"
        android:hint="请输入班级"/>

    <Button
        android:id="@+id/button6"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Button" />

    <TextView
        android:id="@+id/nn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="15dp"/>



</LinearLayout>

package com.example.myapplication2;

import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import java.text.SimpleDateFormat;
import java.util.Date;

public class chakan extends AppCompatActivity implements View.OnClickListener{
    private DatabaseHelper dbHelper;
    private DatabaseHelper2 dbHelper2;
    private EditText editText66;
    private TextView tv;
    int m=0;
    int n1=0,n2=0,n3=0;
    String k="";
    double j;
    String h="";
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_chakan2);

        tv=(TextView)findViewById(R.id.nn);

        editText66 = (EditText) findViewById(R.id.edit_66);

        m3();

    }

    private void m3() {
        findViewById(R.id.button6).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.button6://执行按钮1

                SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日");// HH:mm:ss
                //获取当前时间
                Date date = new Date(System.currentTimeMillis());
                k=simpleDateFormat.format(date);


                String mm=editText66.getText().toString();
                dbHelper2=new DatabaseHelper2(this,"TTList2.db",null,3);
                SQLiteDatabase db=dbHelper2.getWritableDatabase();
                Cursor cursor=db.query("TTList2",null,"班级=?",new String[]{mm},
                        null,null,null);//读取数据库里面专业是软件工程的所有信息
                if(cursor.moveToFirst()){
                    do{
                        String name=cursor.getString(cursor.getColumnIndex("姓名"));

                        dbHelper=new DatabaseHelper(this,"TTList3.db",null,3);
                        SQLiteDatabase db2=dbHelper.getWritableDatabase();
                        Cursor cursor2 = db2.query("TTList3", null, "姓名=?", new String[]{name}, null, null, null);//读取数据库所有信息
                        // Cursor cursor=db.query("tt",null,"专业=?",new String[]{"软件工程"},
                        //null,null,null);//读取数据库里面专业是软件工程的所有信息
                        if(cursor2.moveToFirst()){
                            do{
                                Log.i("chakan","ss");
                                String time=cursor2.getString(cursor2.getColumnIndex("日期时间"));
                                String str = time.substring(0, time.indexOf(" "));
                                Log.i("chakan",str);
                                Log.i("chakan",k);
                                if(str.equals(k)) {
                                    String tt = cursor2.getString(cursor2.getColumnIndex("体温"));
                                    j = Double.parseDouble(tt);
                                    n1++;
                                    if (j < 37.3 &&j > 35) {
                                        n2++;
                                    } else {
                                        n3++;
                                    }
                                }
                            }while (cursor2.moveToNext());
                        }
                        cursor2.close();
                        m++;
                    }while (cursor.moveToNext());
                }
                cursor.close();







                h="(体温t,35.0<t<37.3正常)
"+k+"
"+"一共"+String.valueOf(m)+"人
正常上报"+String.valueOf(n2)+"人，体温异常"+String.valueOf(n3)+"人，未上报体温"+String.valueOf(m-n1)+"人";

                tv.setText(h);//打印信息

        }
    }
}

2.遇到的问题

班级里是否填写调出，同一个人写两次就出问题
3.明天目标

解决问题