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[color=red][b]android 文件工具[/b][/color][code="java"]package com.example.asyncimageloader;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import android.co...

[color=red]主要的类是ObjectOutputStream ObjectInputStream 和 ByteArrayOutputStream ByteArrayInputStream [/color]对象转Byte[][code="java"] ObjectOutputStream oos = null; ByteArrayOutputStream byteO...

[size=large][b]后台[/b][/size][code="java"] @SuppressWarnings("all") public void execute(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { r...

[size=large][color=red][b]1.HSSF 2003版Excel导出[/b][/color][/size][code="java"]package com.hwt.glmf.common;import java.io.IOException;import java.io.OutputStream;import java.util.ArrayList;...

droid.content.Context;import android.graphics.Bitmap;import android.graphics.Bitmap.CompressFormat;import android.graphics.BitmapFactory;import android.os.Environment;public class FileUtils { /** * sd卡的根目录 */ private static String mSd

OutputStream byteOut = null; try { byteOut = new ByteArrayOutputStream(); oos = new ObjectOutputStream(byteOut); oos.writeObject(obj); byte[] bytes = byteOut.toByteArray(); } catch (Exception e) { }[/code]Byte[]转对象[code=&q

request.setCharacterEncoding("utf-8"); // 设置编码 DiskFileItemFactory factory = new DiskFileItemFactory(); factory.setSizeThreshold(1024 * 512); factory.setRepository(new File("D:/tempload")); ServletFileUpload fileUpload =

List;import java.util.List;import javax.servlet.http.HttpServletResponse;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hs