体温上报APP２.０

1、今日学习进度表：

2、第二阶段任务：

汇总＋导出生成excel体温上报表格

3、预计完成时间：

２天 

4、今日完成：

汇总情况

根据班级汇总班级上报总人数、体温异常人数、未填报体温人数以及正常上报人数

SumActivity

package com.example.reporttemperature;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;


public class SumActivity extends AppCompatActivity {

    private Spinner spinner;
    private EditText et_sum, et_normal, et_abnormal, et_unreport;
    private Button bt_sum_report,bt_start;
    private String choose;
    private MyOpenHelper helper = new MyOpenHelper(this);
    private int []result=new int[4];

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sum);

        findById();//获取控件
        //spinner监听事件
        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                String[] languages = getResources().getStringArray(R.array.classroom);
                choose = languages[pos];
                Toast.makeText(SumActivity.this, "你点击的是:" + languages[pos], Toast.LENGTH_SHORT).show();

            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // Another interface callback
            }
        });

        bt_start.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                result =screen(choose);//获取人数数组
                //给edit控件赋值
                et_sum.setText(result[0]+"");
                et_normal.setText(result[1]+"");
                et_abnormal.setText(result[2]+"");
                et_unreport.setText(result[3]+"");

            }
        });


        //返回
        bt_sum_report.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //跳转页面
                Intent intent = new Intent(SumActivity.this, CatalogActivity.class);
                finish();
                startActivity(intent);
            }
        });


    }

    private void findById() {
        spinner = findViewById(R.id.spinner);
        et_sum = findViewById(R.id.edit_sum_people);
        et_normal = findViewById(R.id.editText_normal);
        et_unreport = findViewById(R.id.editText_unreport);
        et_abnormal = findViewById(R.id.editText_abnormal);
        bt_sum_report = findViewById(R.id.button_sum_return);
        bt_start=findViewById(R.id.button_start_search);
    }

    //数据库根据班级筛选
    private int[] screen(String str) {
        int[] Arr = new int[4];
        SQLiteDatabase db = helper.getReadableDatabase();
        Cursor cursor = db.rawQuery("select * from temperature where class = ? ", new String[]{str});
        int i = 0;   //记录总人数
        int j = 0;   //标记体温正常上报的人
        int k = 0;   //标记体温异常的人
        int t = 0;   //标记未上报的人
        while (cursor.moveToNext()) {
            double number=1.0;
            String newTem = cursor.getString(cursor.getColumnIndex("temperature"));
            if(newTem.equals("")){
                ++t;
            }else {
                number= Double.parseDouble(newTem);
            }

            if (number > 37.2 || number < 35.0) {
                ++k;
            } else {
                ++j;
            }
            ++i;
        }
        cursor.close();
        db.close();
        Arr[0]=i;Arr[1]=j;Arr[2]=k;Arr[3]=t;
        return Arr;
    }
}

activity＿ｓｕｍ．ｘｍｌ

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/sum"
    tools:context=".SumActivity">

    <TextView
        android:id="@+id/EditText_choose"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="120dp"
        android:layout_marginLeft="120dp"
        android:layout_marginTop="114dp"
        android:layout_marginEnd="150dp"
        android:layout_marginRight="150dp"
        android:layout_marginBottom="28dp"
        android:background="#F5684A"
        android:hint="点击下拉列表选择班级"
        app:layout_constraintBottom_toTopOf="@+id/spinner"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Spinner
        android:id="@+id/spinner"
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="95dp"
        android:layout_marginLeft="95dp"
        android:layout_marginEnd="116dp"
        android:layout_marginRight="116dp"
        android:layout_marginBottom="546dp"
        android:entries="@array/classroom"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

    </Spinner>

    <TextView
        android:id="@+id/Text_sum_people"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="88dp"
        android:layout_marginLeft="88dp"

        android:layout_marginTop="77dp"
        android:layout_marginEnd="16dp"
        android:layout_marginRight="16dp"
        android:layout_marginBottom="54dp"
        android:text="班级总人数"
        android:textSize="20dp"
        app:layout_constraintBottom_toTopOf="@+id/text_normal"
        app:layout_constraintEnd_toStartOf="@+id/edit_sum_people"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/spinner" />

    <EditText
        android:id="@+id/edit_sum_people"
        android:layout_width="90dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="59dp"
        android:layout_marginEnd="116dp"
        android:layout_marginRight="116dp"
        android:layout_marginBottom="35dp"
        android:ems="10"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toTopOf="@+id/editText_normal"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/spinner" />

    <TextView
        android:id="@+id/text_normal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="68dp"
        android:layout_marginLeft="68dp"
        android:layout_marginBottom="56dp"
        android:text="正常上报人数"
        android:textSize="20dp"
        app:layout_constraintBottom_toTopOf="@+id/text_abnormal"
        app:layout_constraintStart_toStartOf="parent" />

    <EditText
        android:id="@+id/editText_normal"
        android:layout_width="90dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="116dp"
        android:layout_marginRight="116dp"
        android:layout_marginBottom="38dp"
        android:ems="10"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toTopOf="@+id/editText_abnormal"
        app:layout_constraintEnd_toEndOf="parent" />

    <TextView
        android:id="@+id/text_abnormal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="68dp"
        android:layout_marginLeft="68dp"
        android:layout_marginEnd="16dp"
        android:layout_marginRight="16dp"
        android:layout_marginBottom="43dp"
        android:text="体温异常人数"
        android:textSize="20dp"
        app:layout_constraintBottom_toTopOf="@+id/text_unreport"
        app:layout_constraintEnd_toStartOf="@+id/editText_abnormal"
        app:layout_constraintStart_toStartOf="parent" />

    <EditText
        android:id="@+id/editText_abnormal"
        android:layout_width="90dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="116dp"
        android:layout_marginRight="116dp"
        android:layout_marginBottom="38dp"
        android:ems="10"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toTopOf="@+id/editText_unreport"
        app:layout_constraintEnd_toEndOf="parent" />

    <TextView
        android:id="@+id/text_unreport"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="48dp"
        android:layout_marginLeft="48dp"
        android:layout_marginEnd="14dp"
        android:layout_marginRight="14dp"
        android:layout_marginBottom="208dp"
        android:text="未上报体温人数"
        android:textSize="20dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/editText_unreport"
        app:layout_constraintStart_toStartOf="parent" />

    <EditText
        android:id="@+id/editText_unreport"
        android:layout_width="90dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="119dp"
        android:layout_marginRight="119dp"
        android:layout_marginBottom="195dp"
        android:ems="10"
        android:inputType="textPersonName"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent" />

    <Button
        android:id="@+id/button_sum_return"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="155dp"
        android:layout_marginLeft="155dp"
        android:layout_marginTop="39dp"
        android:layout_marginEnd="168dp"
        android:layout_marginRight="168dp"
        android:layout_marginBottom="108dp"
        android:text="返回"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editText_unreport" />

    <Button
        android:id="@+id/button_start_search"
        android:layout_width="60dp"
        android:layout_height="40dp"
        android:layout_marginStart="22dp"
        android:layout_marginLeft="22dp"
        android:layout_marginTop="153dp"
        android:layout_marginEnd="34dp"
        android:layout_marginRight="34dp"
        android:layout_marginBottom="538dp"
        android:text="查询"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/spinner"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>