無需上傳附件到服務器,Servlet讀取Excel(二)
package com.str;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
public class ReadExcel extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
byte[] junk = new byte[1024];
int bytesRead = 0;
ServletInputStream is = req.getInputStream();
// shou首先除去Http Head
bytesRead = is.readLine(junk,0,junk.length);
bytesRead = is.readLine(junk,0,junk.length);
bytesRead = is.readLine(junk,0,junk.length);
bytesRead = is.readLine(junk,0,junk.length);
HSSFWorkbook wb = new HSSFWorkbook(is);
HSSFSheet sheet = wb.getSheetAt(0);
for(int j=0;j< sheet .getLastRowNum()+1;j++) {
//創建一個行對象
HSSFRow row = sheet.getRow(j);
//把一行裏的每一個字段遍歷出來
for(int i=0;i<row.getLastCellNum();i++) {
//創建一個行裏的一個字段的對象,也就是獲取到的一個單元格中的值
HSSFCell cell = row.getCell(i);
//在這裏我們就可以做很多自己想做的操作了,比如往數據庫中添加數據等
System.out.print(cell.toString() + " " );
}
System.out.println(" ");
}
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
doGet(req, resp);
}
}
無需上傳附件到服務器,Servlet讀取Excel(二)