JAVA日报

从零开始的体温app开发（excelutil）

package Excelutil;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;

import jxl.Workbook;
import jxl.WorkbookSettings;
import jxl.write.Label;
import jxl.write.WritableCell;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import android.content.Context;
import android.content.SharedPreferences;
import android.widget.Toast;
public class util {
    public static WritableFont arial14font = null;
    public static WritableCellFormat arial14format = null;
    public static WritableFont arial10font = null;
    public static WritableCellFormat arial10format = null;
    public static WritableFont arial12font = null;
    public static WritableCellFormat arial12format = null;
    public final static String UTF8_ENCODING = "UTF-8";
    public final static String GBK_ENCODING = "GBK";
    private static WritableWorkbook workbook = null;
    private static File file;
    public static void format() {
        try {
            arial14font = new WritableFont(WritableFont.ARIAL, 14, WritableFont.BOLD);
            arial14font.setColour(jxl.format.Colour.LIGHT_BLUE);
            arial14format = new WritableCellFormat(arial14font);
            arial14format.setAlignment(jxl.format.Alignment.CENTRE);
            arial14format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
            arial14format.setBackground(jxl.format.Colour.VERY_LIGHT_YELLOW);
            arial10font = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
            arial10format = new WritableCellFormat(arial10font);
            arial10format.setAlignment(jxl.format.Alignment.CENTRE);
            arial10format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
            arial10format.setBackground(jxl.format.Colour.LIGHT_BLUE);
            arial12font = new WritableFont(WritableFont.ARIAL, 12);
            arial12format = new WritableCellFormat(arial12font);
            arial12format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
        }
        catch (WriteException e) {
            e.printStackTrace();
        }
    }
    public static void initData(Context context) throws WriteException {
//        Label label;
//        workbook = Workbook.createWorkbook(file);
//        WritableSheet sheet = workbook.getSheet(0);
//        SharedPreferences sharedPreferences=null;
//        if(sharedPreferences==null){
//            sharedPreferences=context.getSharedPreferences("data", Context.MODE_PRIVATE);}
//        label = new Label(1,2 ,);
//        sheet.addCell(label);
//        label = new Label(5,2 ,sharedPreferences.getString("num",""));
//        sheet.addCell(label);
//        label = new Label(5,3 ,"19948100929");
//        sheet.addCell(label);
//        for(int i=6;i<20;i++){
//            label = new Label(3,i ,sharedPreferences.getString("area",""));
//            sheet.addCell(label);}
//        for(int i=6;i<20;i++){
//            label = new Label(5,i ,sharedPreferences.getString("qw",""));
//            sheet.addCell(label);}

    }
    public static void initExcel(String fileName, String[] colName,Context context) {
        format();
        WritableWorkbook workbook = null;
        try {
            file = new File(fileName,"tem.xls");
            if(!file.getParentFile().exists()) {
                file.getParentFile().mkdirs();
            }
            if (!file.exists()) {
                file.createNewFile();
            }
            workbook = Workbook.createWorkbook(file);//
            WritableSheet sheet = workbook.createSheet("体温表", 0);//第一页
           // sheet.addCell((WritableCell) new Label(0, 0, fileName, arial14format));
//            for (int col = 0; col < colName.length; col++) {
//                sheet.addCell(new Label(col, 0, colName[col], arial10format));
//            }
            Label label;
            sheet.mergeCells(0,0,6,0);
            sheet.mergeCells(5,1,6,1);

            sheet.mergeCells(1,1,3,1);
            sheet.mergeCells(1,2,3,2);
            sheet.mergeCells(1,3,3,3);

            sheet.mergeCells(0,4,6,4);

            sheet.mergeCells(0,20,6,24);

            sheet.mergeCells(0,25,1,25);
            sheet.mergeCells(2,25,3,25);
            sheet.mergeCells(5,25,6,25);
            for(int i=1;i<20;i++){
                sheet.mergeCells(5,i,6,i);
            }
            for(int i=5;i<20;i++){
                sheet.mergeCells(3,i,4,i);
            }
            label = new Label(0, 0,"学生14天健康情况登记表",DaBiaoTi());
            sheet.addCell(label);
            label = new Label(0,1 ,"单位名称");
            sheet.addCell(label);
            label = new Label(4,1 ,"填表日期");
            sheet.addCell(label);
            label = new Label(0,2 ,"姓名");
            sheet.addCell(label);
            label = new Label(4,2 ,"学号");
            sheet.addCell(label);
            label = new Label(0,3 ,"目前健康状况");
            sheet.addCell(label);
            label = new Label(4,3 ,"手机号");
            sheet.addCell(label);
            label = new Label(0,4 ,"每日体温、健康状况监测（周期14天）",DaBiaoTi());
            sheet.addCell(label);
            label = new Label(0,5 ,"日期");
            sheet.addCell(label);
            label = new Label(1,5 ,"每日体温℃");
            sheet.addCell(label);
            label = new Label(2,5 ,"健康状况");
            sheet.addCell(label);
            label = new Label(3,5 ,"当日所在地");
            sheet.addCell(label);
            label = new Label(5,5 ,"备注");
            sheet.addCell(label);

            for(int i=6;i<20;i++){
                String str="3月"+(i-5)+"日";
            label = new Label(0,i ,str);
            sheet.addCell(label);}

            label = new Label(0,20 ,"本人承诺：自觉履行疫情防控责任和义务，保证以上填报信息全部属实，如有隐瞒，自愿承担相应法律后果。",DaBiaoTi());
            sheet.addCell(label);

            label = new Label(0,25 ,"本人签字：");
            sheet.addCell(label);
            label = new Label(4,25 ,"签字日期：");
            sheet.addCell(label);

            label = new Label(1,1 ,"石家庄铁道大学");
            sheet.addCell(label);

            label = new Label(5,1 ,dat());
            sheet.addCell(label);//设置日期

            label = new Label(1,3 ,"正常");
            sheet.addCell(label);
            for(int i=6;i<20;i++){
                label = new Label(2,i ,"正常");
                sheet.addCell(label);//设置日期
            }

            for(int i=6;i<20;i++){
                label = new Label(1,i ,wendu()+"℃");
                sheet.addCell(label);//设置温度
            }
            SharedPreferences sharedPreferences=null;
            if(sharedPreferences==null){
                sharedPreferences=context.getSharedPreferences("data", Context.MODE_PRIVATE);}
            label = new Label(1,2 ,sharedPreferences.getString("Name",""));
            sheet.addCell(label);
            label = new Label(5,2 ,sharedPreferences.getString("num",""));
            sheet.addCell(label);
            label = new Label(5,3 ,"19948100929");
            sheet.addCell(label);
            for(int i=6;i<20;i++){
                label = new Label(3,i ,sharedPreferences.getString("area",""));
                sheet.addCell(label);}
            for(int i=6;i<20;i++){
                label = new Label(5,i ,sharedPreferences.getString("qw",""));
                sheet.addCell(label);}
            workbook.write();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        finally {
            if (workbook != null) {
                try {
                    workbook.close();
                }
                catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }
    }
    @SuppressWarnings("unchecked")
    public static <T> void writeObjListToExcel(List<T> objList, String fileName, Context c) {
        if (objList != null && objList.size() > 0) {
            WritableWorkbook writebook = null;
            InputStream in = null;
            try {
                WorkbookSettings setEncode = new WorkbookSettings();
                setEncode.setEncoding(UTF8_ENCODING);
                in = new FileInputStream(new File(fileName));
                Workbook workbook = Workbook.getWorkbook(in);
                writebook = Workbook.createWorkbook(new File(fileName), workbook);
                WritableSheet sheet = writebook.getSheet(0);
                for (int j = 0; j < objList.size(); j++) {
                    ArrayList<String> list=(ArrayList<String>) objList.get(j);
                    for (int i = 0; i < list.size(); i++) {
                        sheet.addCell(new Label(i, j+1, list.get(i), arial12format));
                    }
                }
                writebook.write();
                Toast.makeText(c, "保存成功", Toast.LENGTH_SHORT).show();
            }
            catch (Exception e) {
                e.printStackTrace();
            }
            finally {
                if (writebook != null) {
                    try {
                        writebook.close();
                    }
                    catch (Exception e) {
                        e.printStackTrace();
                    }
                }
                if (in != null) {
                    try {
                        in.close();
                    }
                    catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
    public static Object getValueByRef(Class cls, String fieldName) {
        Object value = null;
        fieldName = fieldName.replaceFirst(fieldName.substring(0, 1), fieldName.substring(0, 1).toUpperCase());
        String getMethodName = "get" + fieldName;
        try {
            Method method = cls.getMethod(getMethodName);
            value = method.invoke(cls);
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return value;
    }
    public static WritableCellFormat DaBiaoTi() {
        WritableFont font = new WritableFont(WritableFont.createFont("黑体"), 10,
                WritableFont.BOLD, false);// 定义字体

        WritableCellFormat format = new WritableCellFormat(font);
        try {
            format.setAlignment(jxl.format.Alignment.CENTRE);// 左右居中
            format.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);// 上下居中
            // format.setBorder(Border.ALL, BorderLineStyle.THIN,
            // Colour.BLACK);// 黑色边框
            // format.setBackground(Colour.YELLOW);// 黄色背景
        } catch (WriteException e) {
            e.printStackTrace();
        }
        //sheet.mergeCells(0,0,6,0);
        return format;
    }
    public  static String dat() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");//设置日期格式
        String str = df.format(new Date());
        //System.out.println(df.format(new Date()));// new Date()为获取当前系统时间
        return str;
    }
    public static double wendu() {
        double n;
        Random rand = new Random();
        double number = rand.nextInt(20) + 350;
        n = number / 10;
        return n;
    }

}