我是一个java的新手&我想从文本文件中读取数字数据&我想在Excel电子表格的单独单元格中编写每个数字。值只填充2
输入数据为如下:(的abc.txt)
3008,45,14,277,10,6371,223,208,116,3036,1,0,0,0,0,0,0,0 ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,1,0,0,0,0,0,0,0,0,0,0,0,2 2893,114,16,108,30,506,245,223,102,4340,1,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ,0,0,1,0,0,0,0,0,0,0,0,0,0,0,2
我想要在不同的单元格中的每个值。我使用Apache POI来使用Excel表格。这是我能够编码到现在为止 package com.example.practise;
import java.io.*;
import java.util.*;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.Cell;
//import org.apache.poi.ss.usermodel.Creationhelper;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
public class MultivariateDT {
public static void main(String[] args) throws IOException{
BufferedReader bufferedReader = new BufferedReader(new FileReader("C:/Users/419803/Desktop/abc.txt"));
FileOutputStream out = new FileOutputStream("C:/Users/419803/Desktop/workbook.xls");
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet1 = wb.createSheet("new sheet");
Row row = null;
Cell cell = null;
String line = null;
String delimiter = ",";
while ((line = bufferedReader.readLine()) != null)
{
String[] temp=null;
String str = " ";
temp = line.split(delimiter);
for(int i =0; i < temp.length ; i++)
{
str = temp[i] + str;
int rownum;
for (rownum =0; rownum < 100; rownum++)
{
row = sheet1.createRow(rownum);
for (int cellnum =0; cellnum <temp.length; cellnum ++)
{
cell = row.createCell(cellnum);
cell.setCellValue(temp[i]);
}
}
}
System.out.println();
}
wb.write(out);
out.close();
}
}
节数行&细胞必须创建是正确的,但在Excel文件中的数据是错误的。
在excel文件中只显示2,2,2,2等。
任何人都可以帮我吗?
你能帮我解决一些问题吗? –
对不起,但我不知道你到底在做什么,因此很难提出更多的建议,这取决于你试图实现的程序逻辑以及你如何使用for() - 循环。 – centic