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  • *将制定类型的List写入Excel中

    将制定类型的List写入Excel中
     @param objList  待写入的list
    * @param fileName
    * @param c
    * @param <T>

    public static <T> void writeObjListToExcel(List<T> objList, String fileName, Context c) {
    System.err.println(fileName);
    int flag=1;
    String name="雷锟";
    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);

    System.err.println(objList.size());
    for (int j = 5; j < (objList.size()+5); j++) {
    System.err.println("99999999999999999");

    people people = (people) objList.get(j-5);
    List<String> list = new ArrayList<>();
    /*list.add(demoBean.getName());
    list.add(String.valueOf(demoBean.getId()));
    list.add(String.valueOf(demoBean.getBanji()));
    list.add(String.valueOf(demoBean.getWendu()));
    list.add(String.valueOf(demoBean.getData()));
    list.add(String.valueOf(demoBean.getSpace()));

    */
    list.add(String.valueOf(people.getTime()));
    list.add(String.valueOf(people.getPrice()));
    list.add("正常");
    list.add(String.valueOf(MyLocationListener.locat));
    list.add(String.valueOf(people.getSituation()));

    for (int i = 0; i < list.size(); i++) {
    sheet.addCell(new Label(i, j + 1, list.get(i), arial12format));
    if(i+1==5){
    sheet.addCell(new Label(i+1,j+1,list.get(i)));
    }
    if(flag==1){
    sheet.addCell(new Label(1,1,"信1905-2"));
    sheet.addCell(new Label(1,2,name));
    sheet.addCell(new Label(1,3,"良好"));
    sheet.addCell(new Label(5,1,MainActivity.timenum1));
    sheet.addCell(new Label(5,2,"20193981"));
    sheet.addCell(new Label(5,3,"15095948187"));
    flag++;}

    if (list.get(i).length() <= 4) {
    //设置列宽
    sheet.setColumnView(i, list.get(i).length() + 8);
    } else {
    //设置列宽
    sheet.setColumnView(i, list.get(i).length() + 5);
    }


    }
    //设置行高
    sheet.setRowView(j + 1, 350);
    }




    writebook.write();
    workbook.close();
    Toast.makeText(c, "导出Excel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();
    }
    }
    }

    }
    }
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  • 原文地址:https://www.cnblogs.com/lkwkk/p/14908870.html
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