体温上报APP3.1

1、今日进度表：

2、今日完成：

浏览15天体温记录（折线图）

lineActivity

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.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;

public class LineActivity extends AppCompatActivity {
    private EchartView lineChart;
    private MyOpenHelper helper=new MyOpenHelper(this);
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_line);
        setTitle("15天体温统计图");
        getById();
        lineChart.setWebViewClient(new WebViewClient(){


            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                //最好在h5页面加载完毕后再加载数据，防止html的标签还未加载完成，不能正常显示
                String[]result_date=get_date();
                String []result_tem=get_tem();
                refreshLineChart(result_date,result_tem);
            }
        });


    }

    private void getById(){
        lineChart = findViewById(R.id.lineChart);



    }
    private void refreshLineChart(String[]a,String []b){
        Object[] x = new Object[]{
                a[14],a[13],a[12], a[11],a[10],a[9], a[8],a[7],a[6], a[5],a[4],a[3], a[2],a[1],a[0]
                //"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
        };
        Object[] y = new Object[]{
                b[14],b[13],b[12], b[11],b[10],b[9], b[8],b[7],b[6], b[5],b[4],b[3], b[2],b[1],b[0]
                //820, 932, 901, 934, 1290, 1330, 1320
        };
        lineChart.refreshEchartsWithOption(EchartOptionUtil.getLineChartOptions(x, y));
    }

    //获取日期
    private String[]get_date(){
        SQLiteDatabase db=helper.getReadableDatabase();
        Cursor cursor = db.rawQuery("select * from temperature", null);

        String [] list1=new String[100];
        int i=0;
        while (cursor.moveToNext()) {
            String newDate = cursor.getString(cursor.getColumnIndex("date"));
            String r=newDate.substring(5,6)+"-"+newDate.substring(7,9);
            list1[i]=r;

            ++i;
        }
        cursor.close();
        db.close();
        String []list2=new String[i];
        int k=i;
        for(int j=0;j<15&&k>0;j++){
            --k;
            list2[k]=list1[j];
        }
        return list2;
    }

    //获取体温
    private String[]get_tem(){
        SQLiteDatabase db=helper.getReadableDatabase();
        Cursor cursor = db.rawQuery("select * from temperature", null);

        String [] list1=new String[100];
        int i=0;
        while (cursor.moveToNext()) {
            String newTem = cursor.getString(cursor.getColumnIndex("temperature"));
            list1[i]=newTem;

            ++i;
        }
        cursor.close();
        db.close();
        String []list2=new String[i];
        int k=i;
        for(int j=0;j<15&&k>0;j++){
            --k;
            list2[k]=list1[j];
        }
        return list2;

    }
}

实现截图：